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Nidec Corporation patents


Recent patent applications related to Nidec Corporation. Nidec Corporation is listed as an Agent/Assignee. Note: Nidec Corporation may have other listings under different names/spellings. We're not affiliated with Nidec Corporation, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "N" | Nidec Corporation-related inventors


Motor and electric oil pump

A motor includes a shaft. The motor includes a motor section and a motor-driving section that is positioned on one side of the motor section in the axial direction and that drives the motor section. ... Nidec Corporation

Base unit, motor, and air blowing device

A base unit includes a tubular bearing housing that extends in an axial direction while being positioned on a central axis that extends vertically, a base plate that is connected to the bearing housing and extends in radial directions, a stator that is provided on an upper surface of the base plate and is provided radially outward of the bearing housing, and a conducting member that is electrically connected to the stator and is drawn out radially outwards from the base plate. The upper surface or a lower surface of the base plate is provided with a resin cover portion that covers at least a portion of the conducting member, the base plate is provided with an insertion portion that is a through-hole penetrating the base plate in a direction from the upper surface to the lower surface or a notch, and a portion of the cover portion extends over an area from the upper surface of the base plate to the lower surface of the base plate while passing through the insertion portion.. ... Nidec Corporation

Base unit, motor, and air blowing device

A base unit includes a tubular bearing housing that extends in an axial direction while being positioned on a central axis that extends vertically, a base plate that is connected to the bearing housing and extends in radial directions, a stator that is provided on an upper surface of the base plate and is provided radially outward of the bearing housing, and a conducting member that is electrically connected to the stator and is drawn out radially outwards from the base plate. A conducting member holding portion that holds at least a portion of the conducting member toward the base plate is provided on at least one of upper and lower surfaces of the base plate, and the conducting member holding portion is in a state of being cut and raised from the base plate.. ... Nidec Corporation

Base unit, motor, and air blowing device

A base unit includes a tubular bearing housing that extends in an axial direction while being positioned on a central axis that extends vertically, a base plate that is connected to the bearing housing and extends in radial directions, and a stator that is provided on an upper surface of the base plate and is provided radially outward of the bearing housing. At least a portion of the base plate and at least a portion of the stator are covered by a molded portion formed of resin, the stator and the base plate are connected to each other via the molded portion, the base plate is provided with a hook portion that protrudes upwards and is caught on the molded portion at least in the axial direction, and the hook portion is disposed radially outward of the bearing housing.. ... Nidec Corporation

Base unit, motor, and air blowing device

A base unit connectable to an external power source includes two or more cables electrically connected to the external power source and extending in a predetermined first direction, and a base plate including a cable installation portion in which the cables are installed. The two or more cables are disposed to be arrayed in a second direction perpendicular to the first direction, the cable installation portion is provided with at least one first wall portion that extends in the first direction, the first wall portion is disposed in at least part of a space between the cables that are adjacent to each other, and the cables and the first wall portion are fixed via molding resin.. ... Nidec Corporation

Fan motor

A fan motor includes a stationary portion, a rotary portion, and an impeller. The rotary portion is configured to rotate about a center axis with respect to the stationary portion through a bearing mechanism. ... Nidec Corporation

Vibration motor

A vibration motor includes a stationary portion, a vibrating body supported to vibrate in a lateral direction with respect to the stationary portion, and an elastic member positioned between the stationary portion and the vibrating body. The elastic member includes two or more first bent portions bent in a longitudinal direction orthogonal to the lateral direction, one or more second bent portions bent toward a side opposite to the first bent portion in the longitudinal direction, and flat portions connected to ends of the first bent portions and the second bent portions. ... Nidec Corporation

Motor

A motor includes a rotor including a shaft that is disposed along a central axis extending in an up-down direction; a stator radially facing the rotor with a clearance therebetween and including a plurality of coils; and a busbar electrically connected to the coils. The coils each have a coil end that is an end of a conductive wire. ... Nidec Corporation

Motor, motor production method, and stator unit

A motor includes a rotor having a shaft disposed along a central axis extending in a vertical direction; and a stator opposed to the rotor in a radial direction with a gap therebetween. The stator includes: an annular core back extending in a circumferential direction; a plurality of teeth extending from the core back in the radial direction; a plurality of coils formed of a conductive wire wound around the teeth, the coils forming a plurality of connection systems; and an insulator, at least part of which is positioned between the teeth and the coils. ... Nidec Corporation

A ring magnet unit for an electric motor

A ring magnet unit for an electric motor is provided, comprising a circular magnet holder and at least two magnet segments fixed to the magnet holder and arranged in a circumferential direction of the magnet holder, wherein respective one magnet segment has a first surface abutting to a surface of the magnet holder and a second surface which is the opposite surface of the first surface. Both side surfaces of the first surface and the second surface are chamfered in the directions that cross the radial direction of the magnet holder at the same angles. ... Nidec Corporation

Rotary drive apparatus

This rotary drive apparatus is arranged to rotate a flywheel arranged to support an optical component arranged to reflect incoming light coming from a light source or allow reflected light obtained by reflection of the incoming light to pass therethrough, and includes a motor including a rotating portion, and the flywheel, the flywheel being supported by the motor and arranged to rotate about a central axis extending in a vertical direction. The flywheel includes at least one recessed portion recessed axially downward from an upper surface of the flywheel. ... Nidec Corporation

Rotary drive apparatus

This rotary drive apparatus is arranged to cause incoming light coming from a light source to be reflected, and rotate resulting reflected light, and includes a motor including a rotating portion arranged to rotate about a central axis extending in a vertical direction; a flywheel arranged below the light source, supported by the rotating portion, and caused by the rotating portion to rotate about the central axis; and a cover. The flywheel includes a lens arranged to allow the reflected light to pass therethrough; and a main body arranged to directly support the lens, or indirectly support the lens through a lens frame arranged to accommodate the lens therein. ... Nidec Corporation

Electric coolant pump having a flow-cooled control circuit

The invention relates to an electric coolant pump for a coolant circuit of an internal combustion engine, having a radially accelerating pump impeller and a spiral housing section of a pump housing. A control circuit is arranged about an inlet on the side of the pump housing opposing the electric engine, and is accommodated in an ecu chamber. ... Nidec Corporation

Blower apparatus

A blower apparatus includes an impeller arranged to be capable of rotating about a central axis extending in a vertical direction, and a motor arranged to drive the impeller. The impeller includes a plurality of blade portions arranged in a circumferential direction, and a flange portion arranged to have the plurality of blade portions arranged on an outer peripheral portion thereof on a radially outer side. ... Nidec Corporation

08/23/18 / #20180238338

Blower apparatus

A blower apparatus includes an impeller arranged to be capable of rotating about a central axis extending in a vertical direction, and a motor arranged to drive the impeller. The impeller includes a plurality of blade portions arranged in a circumferential direction, and a flange portion arranged to have the blade portions arranged on an outer peripheral portion thereof on a radially outer side. ... Nidec Corporation

08/23/18 / #20180237241

Magnetic recording medium processing device

A magnetic recording medium processing device may include a medium conveying passage; a magnetic head disposed to face the medium conveying passage from a first direction side and structured to perform at least one of reading of magnetic data recorded in the magnetic recording medium and recording of magnetic data to the magnetic recording medium; a conveying roller structured to contact with the magnetic recording medium from a second direction side to convey the magnetic recording medium; a rotation shaft to which the conveying roller is fixed; a drive mechanism structured to rotate the rotation shaft; and a counter roller disposed on a second direction side of the magnetic head so as to oppose the magnetic head. The counter roller may be rotatably held by the rotation shaft.. ... Nidec Corporation

08/23/18 / #20180236488

Vibration motor

A vibration motor includes a stationary portion, a vibrating body, and an elastic member. The stationary portion includes a casing and a coil unit. ... Nidec Corporation

08/23/18 / #20180236487

Linear vibration motor

A linear vibration motor wherein the amplitude along the direction of thickness is limited, and wherein vibration is produced with a large thrusting force while securing adequate mass in the weight. The linear vibration motor comprises: a coil that is supported over a bottom plate that faces a top face portion of a case, and that is wound along a plane that is perpendicular to the bottom plate; a magnetic pole portion that is able to produce a thrusting force in the vertical direction through an electric current that flows in the coil; a weight that vibrates integrally with the magnetic pole portion; and an elastic member that supports the weight on the top face portion of the case so as to enable vertical vibration.. ... Nidec Corporation

08/23/18 / #20180235417

Air blowing device and vacuum cleaner

An air blowing device includes a motor, a ring-shaped cover, an impeller, and an impeller housing. The impeller includes a base portion and moving blades. ... Nidec Corporation

08/16/18 / #20180234040

Motor

A motor may include a rotor; a stator; a first hall element and a second hall element which face a drive magnet provided in the rotor at different angular positions, a storage section configured to store reference data prepared by associating a rotation position of the rotor with a signal of the first hall element obtained at the rotation position and a signal of the second hall element obtained at the rotation position; and a position detection section configured to obtain a rotation position of a detection target by referring to the reference data based on a first signal and a second signal wherein, when the rotor is located at the rotation position of the detection target, a signal of the first hall element is referred to as the first signal and a signal of the second hall element is referred to as the second signal.. . ... Nidec Corporation

08/16/18 / #20180233989

Motor and electrical equipment

A motor includes a rotor including a rotary shaft that extends in the vertical direction, a stator that faces the rotor, a bearing for supporting the rotary shaft for rotation, a bearing holder for holding the bearing, a bracket for holding the bearing holder, and a circuit board having electronic components mounted thereon. The electronic components include a converter, an inverter, and a detection unit. ... Nidec Corporation

08/16/18 / #20180233988

Motor

A motor includes a bearing holder for holding a bearing that rotatably supports a rotary shaft extending in the vertical direction, a bracket for holding the bearing holder, a circuit board having electronic components mounted thereon, and board fixing portions for fixing the circuit board to the bracket. The circuit board has a first region representing part of a mounting surface having the electronic components mounted thereon in the circumferential direction and a second region representing a region of the mounting surface other than the first region. ... Nidec Corporation

08/16/18 / #20180233985

Motor

A motor includes a shaft disposed along a central axis extending in an up-down direction, a rotor assembly mounted on the shaft, a stator radially facing the rotor assembly with a clearance therebetween, and a plurality of busbars electrically connected to the stator. The busbar includes a first busbar and a second busbar. ... Nidec Corporation

08/16/18 / #20180233984

Motor

A motor includes a rotor that has a shaft with a central axis extending in a vertical direction as a center, a stator disposed so as to face the rotor in a radial direction, a bearing that supports the shaft, a wire support member disposed above the stator, and a bearing holder disposed above the wire support member to hold the bearing. The stator includes a plurality of teeth, and a plurality of coils provided on the plurality of teeth. ... Nidec Corporation

08/16/18 / #20180233983

Stator and motor

A stator includes an annular core back extending circumferentially around a central axis extending vertically; a plurality of teeth extending radially from the core back; a plurality of insulators covering at least part of the teeth; and a coil formed of a conducive wire wound around the teeth via the insulators. The insulator has a cylinder extending radially, an umbrella disposed radially at an end of the cylinder and extending circumferentially in both sides, and a wall protruding from the outer side surface of the cylinder circumferentially to one side. ... Nidec Corporation

08/16/18 / #20180233980

Bus bar unit and motor

A bus bar unit used in a motor comprising a coil may include a bus bar electrically connected to the coil of the motor; and a bus bar holder comprising a resin material and configured to hold the bus bar. The bus bar may include a plurality of bus bar members including a metal material. ... Nidec Corporation

08/16/18 / #20180233976

Rotor of motor, motor and pump device

A rotor may include a rotation shaft, a magnet on an outer peripheral side, a holding member holding the rotation shaft and the magnet, and a plurality of recessed parts provided in an end face of the magnet in an axial line direction of the rotation shaft so as to be separated from each other in a circumferential direction. A surface of each of the recessed parts is formed in a spherical shape, the holding member has a flange portion which covers the end face of the magnet from an end on an inner peripheral side of the end face of the magnet to an outer peripheral side with respect to the plurality of the recessed parts, and the flange portion is adhered to the surfaces of the recessed parts.. ... Nidec Corporation

08/16/18 / #20180232609

Card reader

A card reader may include a card conveying passage; and a card conveying mechanism. The card conveying mechanism may include a motor; a conveying roller; and a power transmission mechanism. ... Nidec Corporation

08/16/18 / #20180231983

Mobile unit control device and mobile unit

A mobile unit control device includes an imaging unit, an identification unit, and a control unit. When installed on a mobile unit, the imaging unit captures at least a portion of the surroundings of the mobile unit to obtain an image thereof. ... Nidec Corporation

08/16/18 / #20180231402

Rotary encoder

A rotary encoder may include a magnet, a magnetic sensor, and a control part configured to calculate a rotation position of the rotor body based on an output signal outputted from the magnetic sensor. The control part includes a temperature detecting section configured to detect temperature of the magnetic sensor, an offset voltage calculation section configured to calculate an offset voltage of the magnetic sensor based on the output signal from the magnetic sensor, and a storage section which stores a slope and an intercept of a primary approximate expression calculated by a relationship between temperatures previously detected by the temperature detecting section and the offset voltages previously calculated by the offset voltage calculation section. ... Nidec Corporation

08/16/18 / #20180231401

Rotary encoder

A rotary encoder includes a control part having a storage section storing a plurality of parameters regarding error signal components at a reference rotation speed, the error signal components respectively being superposed on an “a”-phase signal and a “b”-phase signal in proportion to a rotation speed of a rotor body, and a rotation speed calculation section structured to measure a reception interval of a requirement signal and calculate a current rotation speed of the rotor body. The control part is structured to convert a parameter stored in the storage section to a value at the current rotation speed based on a ratio between the reference rotation speed and the current rotation speed, correction processing correcting the “a”-phase signal and the “b”-phase signal is executed based on the value converted, and the rotation position of the rotor body is calculated by using a corrected “a”-phase signal and a corrected “b”-phase signal.. ... Nidec Corporation

08/16/18 / #20180231400

Rotary encoder and absolute angular position detection method thereof

A rotary encoder may include a first sensor unit comprising a first magnet, and a first magnetosensitive unit facing the first magnet; a second sensor unit comprising a second magnet, and a second magnetosensitive unit facing the second magnet; a circuit to generate pulses; a counter to count the pulses; a first arithmetic unit to calculate a first angle value based on an output of the first magnetosensitive unit; and a second arithmetic unit to calculate a second angle value based on an output of the second magnetosensitive unit. One of the first magnet and the first magnetosensitive unit is provided in the fixed body and the other is provided in the rotating body. ... Nidec Corporation

08/16/18 / #20180231399

Rotary encoder and absolute angular position detection method thereof

A rotary encoder may include a first sensor unit including a first magnet, and a first magnetosensitive unit facing the first magnet; a second sensor unit including a second magnet with a plurality of pairs of n poles and s poles alternately magnetized, and a second magnetosensitive unit facing the second magnet; a circuit to generate pulses for counting from an output of the second sensor unit; and a counter to count the pulses. During activation, an angle position of the rotating body is calculated based on outputs of a first and second sensor unit, and after activation, pulse counting is counted by a counter.. ... Nidec Corporation

08/16/18 / #20180229270

Linear vibration motor

A linear vibration motor is provided with a frame, a weight, and a plate spring 4, and is also provided with weight side drive members disposed within a through hole in the weight and attached with the through hole space along the direction of vibration therebetween, and a frame side drive member supported by the frame and disposed so as to pass through the through hole space. The plate spring 4 has a frame side seating part 4a attached to the frame, a weight side seating part attached to an end surface of the weight, and an elastic deformation part that elastically deforms between the frame side seating part and the weight side seating part. ... Nidec Corporation

08/09/18 / #20180226861

Motor controller can with synthetic housing and metal heat sink

An electric motor including a rotor, a stator, a motor housing having a controller can, and a controller having an electronic component disposed within the controller can. The controller can includes an insert comprising thermally conductive metal for exchanging heat with an external heat sink space.. ... Nidec Corporation

08/09/18 / #20180226851

Motor

A motor may include a rotor including a shaft; a stator; and a bearing supporting the shaft. The rotor may include a plurality of core pieces on an outer side of the shaft, a plurality of permanent magnets, a mold resin part between the core pieces, and an interposed part in contact with a surface on one side in a circumferential direction of each of the core pieces. ... Nidec Corporation

08/09/18 / #20180223973

Electric actuator

There is provided an electric actuator including: a motor that has a motor shaft, a speed reduction mechanism, an output portion that has an output shaft portion, a rotation detection device, and a first bearing. The output shaft portion extends in an axial direction and is disposed on one side in the axial direction of the motor shaft. ... Nidec Corporation

08/02/18 / #20180219497

A motor controller and a motor system

A motor controller includes target current value generating circuitry that generates a d-axis target current value and q-axis target current value, motor current value generating circuitry that generates a d-axis motor current value and a q-axis motor current value of current supplied to a motor, command voltage value generating circuitry that generates a d-axis command voltage value from a difference between the d-axis motor current value and the d-axis target current value and a q-axis command voltage value from a difference between the q-axis motor current value and the q-axis target current value, command voltage value converting circuitry that converts the d-axis command voltage value and the q-axis command voltage value into three-phase command voltage values, and command voltage value modifying circuitry that modifies the three-phase voltage values based on motor flux values and target flux values.. . ... Nidec Corporation

08/02/18 / #20180219466

Vibration motor

A first elastic member includes a first fastening portion, a second fastening portion, and a first coupling portion. A second elastic member includes a third fastening portion, a fourth fastening portion, and a second coupling portion. ... Nidec Corporation

08/02/18 / #20180219465

Linear vibration motor, and portable electronic device provided with said linear vibration motor

The object of the present invention is to shorten the dimension in the axial direction to achieve compactness. The present invention has a movable element integrally provided with a magnet portion, weight portions, and shafts; a frame accommodating the movable element and enabling reciprocating motion thereof along a axial direction; a coil secured to the frame and drives the magnet portion along the axial direction; and elastic members exerting, on the movable element, elastic forces repelling the driving forces that act on the magnet portion. ... Nidec Corporation

08/02/18 / #20180219460

Motor and blower including the same

A motor includes a stator; and a rotor that rotates around a central axis extending upward and downward and that has a magnet disposed at an inner side in a radial direction of the stator; and a circuit board that is disposed at one of one side and the other side in the axial direction of the stator and that controls rotation of the rotor. The stator includes a ring-shaped core back, a plurality of teeth extending inward in the radial direction from an inner peripheral surface of the core back and disposed in a circumferential direction, and a coil wound around each of the teeth. ... Nidec Corporation

08/02/18 / #20180219436

Motor and blower including the same

A motor includes a stator; and a rotor that rotates around a vertically extending central axis and has a magnet at an inner side in a radial direction of the stator. The stator includes a ring-shaped core back, teeth extending inward in the radial direction from an inner peripheral surface of the core back and disposed in a circumferential direction, and a coil wound around each tooth. ... Nidec Corporation

08/02/18 / #20180218180

Attaching structure of card processing unit and card issuing device

An attaching structure of a card processing unit may include the card processing unit and an attaching frame. The attaching frame includes a frame side restriction part that restricts a movement of the card processing unit in a conveying direction, a thickness direction and a width direction of a card, and the card processing unit includes a processing unit side restriction part structured to engage with the frame side restriction part. ... Nidec Corporation

08/02/18 / #20180218138

Card reader and card issuing device

A card reader may include a card-inserting opening at which the card is inserted; a biometric authentication sensor arranged proximate to the card-inserting opening and structured to acquire user biometric authentication data from a user; a contact structured to read the card biometric authentication data recorded on the card; a memory structured to store the user biometric authentication data acquired by the biometric authentication sensor; and a processor configured to compare the user biometric authentication data acquired by the sensor, which is stored in the storage unit, against the card biometric authentication data recorded on the card.. . ... Nidec Corporation

08/02/18 / #20180217374

Rotary drive apparatus

This rotary drive apparatus is arranged to rotate a flywheel arranged to support an optical component arranged to reflect incoming light coming from a light source or allow the incoming light to pass therethrough, and includes a motor including a rotating portion; and the flywheel, the flywheel being supported by the motor and arranged to rotate about a central axis extending in a vertical direction. The flywheel includes a plate-shaped accommodating portion in which the optical component is arranged; a bottom surface arranged at a bottom portion of the accommodating portion, and arranged to slant with respect to at least one of two opposed side surfaces of the optical component; and a base surface arranged to be in contact with at least a portion of another one of the two opposed side surfaces of the optical component.. ... Nidec Corporation

08/02/18 / #20180217373

Rotary drive apparatus

This rotary drive apparatus is arranged to rotate a flywheel arranged to support an optical component arranged to reflect incoming light coming from a light source or allow the incoming light to pass therethrough, and includes a motor including a rotating portion; the flywheel, the flywheel being supported by the motor and arranged to rotate about a central axis extending in a vertical direction; and an elastic member. The flywheel includes an accommodating portion in which the optical component is arranged. ... Nidec Corporation

08/02/18 / #20180217372

Rotary drive apparatus and manufacturing method for rotary drive apparatus

This rotary drive apparatus is arranged to rotate a mirror arranged to reflect incoming light coming from a light source, and includes a motor including a rotating portion arranged to rotate about a central axis extending in a vertical direction; and a flywheel including the mirror, and arranged to rotate while being supported by the motor. The flywheel further includes a tubular upper support member, and a lower support member having at least a portion thereof arranged below the upper support member. ... Nidec Corporation

08/02/18 / #20180216715

Joint apparatus

A joint apparatus includes two electric motors. One of the electric motors includes a first hollow shaft arranged to extend in an axial direction of a first central axis; a first rotating portion arranged to rotate around the first hollow shaft; a speed reduction mechanism arranged to reduce a speed of a rotational motion obtained from the first rotating portion; a frame portion arranged to rotate about the first central axis at a rotation rate resulting from the speed reduction by the speed reduction mechanism; and a holder arranged radially outside of the first hollow shaft, and including a cylindrical portion arranged to extend radially outward. ... Nidec Corporation

08/02/18 / #20180216635

Blower and cleaner

A blower includes an impeller that rotates around a central axis extending in an up-down direction; a motor that is disposed at one side in the up-down direction with respect to the impeller, and rotates the impeller; a motor housing that houses the motor; a fan casing that houses the impeller and the motor housing, and forms a first flow passage between the fan casing and the motor housing; and a substrate disposed at the one side in the up-down direction with respect to the impeller. One and the other end portions in the up-down direction of the fan casing respectively have first and second openings communicating with one another via the first flow passage. ... Nidec Corporation

07/26/18 / #20180212539

Motor stop control method and motor stop control apparatus

According to an aspect of the invention, a motor stop control method of a motor stop control apparatus which includes an arithmetic control unit and a detection unit. The arithmetic control unit has a stop start position at which a stop control is started from a position which is a predetermined angle before a target position at which a motor stops. ... Nidec Corporation

07/26/18 / #20180209442

Blower device and cleaner

A blower device includes an impeller that is rotatable around a rotary shaft extending in an up-down direction; a motor that rotationally drives the impeller; a motor housing accommodating the motor; a cylindrical member disposed outwardly of the housing in a radial direction; and an impeller case accommodating the impeller. A gap is formed between the housing and the cylindrical member. ... Nidec Corporation

07/26/18 / #20180209429

Motor and air blowing apparatus including the same

A motor includes a body portion, a circuit board, and a guide portion. The body portion includes a rotor rotating around a center axis extending in a top-bottom direction and having a magnet, and a stator facing the magnet in a radial direction. ... Nidec Corporation

07/19/18 / #20180205281

Motor

In a process of manufacturing a motor, a terminal pin is first attached to an insulator of a stator. Next, an end portion of a conducting wire defining a coil is drawn out toward the terminal pin, and the conducting wire is wound around the terminal pin. ... Nidec Corporation

07/19/18 / #20180202547

Actuator apparatus

An actuator apparatus includes an oil passage body including an oil passage therein, an electric actuator, a movable unit moved at least in a first direction and a second direction by the electric actuator, and an auxiliary device including an actuating member moved by hydraulic pressure of oil in the oil passage. When the electric actuator moves the movable unit in the second direction, the auxiliary device applies, through the actuating member to the movable unit, a force pointing in a direction that moves the movable unit in the second direction.. ... Nidec Corporation

07/19/18 / #20180202463

Axial fan and fan assembly

An impeller of an axial fan includes a cup-shaped blade support portion configured to cover a rotor holder, and blades in a circumferential direction outside of the blade support portion. Rotation of the impeller generates a downward air flow from the inlet to the outlet. ... Nidec Corporation

07/19/18 / #20180202462

Axial fan and fan assembly

An impeller of an axial fan includes a cup-shaped blade support portion configured to cover a rotor holder, and blades in a circumferential direction outside of the blade support portion. Rotation of the impeller generates a downward air flow from the inlet of the axial fan to the outlet of the axial fan. ... Nidec Corporation

07/19/18 / #20180202459

Impeller and blower

An impeller includes a disk-shaped portion and rotor blades. The rotor blades include first rotor blades which includes a first curvature portion and second curvature portions. ... Nidec Corporation

07/19/18 / #20180202457

Blower

A blower includes an impeller that is rotatable about a vertically extending central axis; a motor that drives the impeller; and a housing that accommodates the impeller and the motor. The impeller includes a plurality of vanes and a flange in which the plurality of vanes are provided. ... Nidec Corporation

07/19/18 / #20180202456

Blower

A blower includes an impeller rotatable about a central axis, a motor that drives the impeller, and a housing that accommodates the impeller and the motor. The impeller includes a plurality of vanes arrayed in a circumferential direction and a flange in which the plurality of vanes are provided at an outer circumferential edge on a radial-direction outside. ... Nidec Corporation

07/19/18 / #20180202455

Blower

The blowing device includes an impeller that is rotatable about a center axis and a motor that drives the impeller. The impeller includes a plurality of vanes arranged in a circumferential direction, a flange in which the plurality of vanes are provided at the outer circumferential edge in a radial-direction outside, and a plate-shaped first shielding unit located between the vanes adjacent to each other in the circumferential direction. ... Nidec Corporation

07/19/18 / #20180200883

Motor operation control system, multi-axis mechanical apparatus, and motor operation control method

According to an aspect of the invention, a motor operation control system configured to control an operation of a multi-axis mechanical apparatus including motors includes drive control units each of which is provided for one corresponding motor and a central controller configured to output an operation command to the drive control units. Each of the drive control units controls an operation of a motor based on the operation command from the central controller and transmits a response signal to another drive control unit and the central controller through asynchronous serial communication.. ... Nidec Corporation

07/12/18 / #20180196971

Card reader

A card reader for use with a card having a magnetic stripe may include a card insertion port into which the card is inserted; a card passage along which the card is passed; and a disturbing magnetic field generation means structured to generate a magnetic field for disturbing illegal reading of magnetic data recorded in the magnetic stripe. The disturbing magnetic field generation means may include a plurality of coils which are serially-connected with each other; a capacitor connected in parallel with the plurality of the coils; and a drive circuit structured to supply an electric current to the plurality of the coils.. ... Nidec Corporation

07/12/18 / #20180195526

Serial axial flow fan

A serial axial flow fan in which an end portion of a first axial flow fan on an exhaust side, and an end portion of a second axial flow fan on an intake side are connected to each other. At least either of a plurality of first blades of a first impeller of the first axial flow fan, and a plurality of second blades of a second impeller of the second axial flow fan are provided with auxiliary blade portions. ... Nidec Corporation

07/12/18 / #20180195525

Serial axial flow fan

A serial axial flow fan in which an end portion of a first axial flow fan on an exhaust side, and an end portion of a second axial flow fan on an intake side are connected to each other. At least either of a plurality of first blades of a first impeller of the first axial flow fan, and a plurality of second blades of a second impeller of the second axial flow fan are provided with auxiliary blade portions.. ... Nidec Corporation

07/05/18 / #20180188473

In-vehicle camera lens unit

An in-vehicle camera lens unit having stable temperature characteristics even when lenses are mounted in a resin holder is provided. With an in-vehicle camera lens unit, a first lens, a second lens, a third lens, a diaphragm, a fourth lens, a fifth lens, and a sixth lens, which are disposed in this order from an object side to an image side, are held in a resin holder. ... Nidec Corporation

06/28/18 / #20180183313

Linear vibration motor

. . A reduction in thickness and a reduction in size in the width direction are enabled while enjoying the benefits of enabling stabilized vibration and superior physical shock durability through the provision of stationary shafts. The linear vibration motor comprises: a movable element that is equipped with a magnet portion and a weight portion; a frame for enclosing the movable element; a coil that is secured to the frame, for driving the magnet portion along the axial direction; an elastic member for applying, to the movable element, an elastic force for repelling the driving force that acts on the magnet portion; and a pair of guide shafts that is arranged along an axial direction, having one end secured to a frame and the other end supporting slidably the movable element.. ... Nidec Corporation

06/28/18 / #20180180870

Rotary drive apparatus

This rotary drive apparatus is arranged to rotate a mirror which reflects incident light coming from a light source, and includes a motor including a rotating portion arranged to rotate about a central axis extending in a vertical direction; a flywheel including the mirror, and rotatably held by the rotating portion; and an impeller directly or indirectly fixed to the rotating portion. The impeller includes a tubular blade support portion arranged to extend along the central axis, and a plurality of blades arranged in a circumferential direction on an outer circumferential surface of the blade support portion. ... Nidec Corporation

06/28/18 / #20180180063

Axial flow fan

A fan includes a motor, an impeller fixed to the motor, and a housing including a cylindrical inner circumferential surface. The impeller includes a plurality of blades extending radially outward. ... Nidec Corporation

06/28/18 / #20180180058

Fan device and vacuum cleaner including the same

A fan device includes an impeller rotating around a central axis and a motor disposed farther downward than the impeller. The impeller includes a base unit enlarged downward and plural blades disposed on a peripheral surface of the base unit. ... Nidec Corporation

06/28/18 / #20180180050

Fan device and vacuum cleaner including the same

A fan device includes the following elements. An impeller rotates around a central axis. ... Nidec Corporation

06/28/18 / #20180177373

Blower device and vacuum cleaner including the same

A blower device includes the following elements. An impeller rotates around a central axis. ... Nidec Corporation

06/21/18 / #20180175765

Motor drive control device and motor control method

A motor drive control device includes a sensorless drive processing unit and a rotation state determining unit, and outputs drive signals to a three-phase voltage type inverter that supplies drive current to a sensorless motor. The sensorless drive processing unit of the motor drive control device performs sensorless drive processing by closed-loop speed control, based on voltage applied to shunt resistance of the inverter. ... Nidec Corporation

06/21/18 / #20180174610

Motor and disk drive apparatus

A spindle motor includes a stationary portion, a rotating portion arranged to rotate about a central axis extending in a vertical direction, and a bearing portion arranged to support the rotating portion such that the rotating portion is rotatable with respect to the stationary portion. The stationary portion includes a stator unit including a plurality of coils arranged in an annular shape with the central axis as a center; a base portion arranged below the stator unit; and a housing arranged to define an interior space in which the rotating portion, the bearing portion, and the stator unit are accommodated. ... Nidec Corporation

06/21/18 / #20180172944

Lens drive device, and imaging device and electronic apparatus provided with same

A lens driving device having a leaf spring; a suspension wire, having one end thereof joined to the leaf spring; a supporting plate to which the other end portion of the suspension wire is joined; a lens retaining portion that is supported by the leaf spring and the suspension wire; and a driving portion for driving the lens retaining portion in a direction that is perpendicular to the optical axial direction of the lens. The leaf spring and/or the supporting plate is joined to the suspending wire through a joining material that is provided on a primary face, where the wettability of the primary face in respect to the joining material is greater than the wettability, in respect to the joining material, of the face on the opposite side from the primary face.. ... Nidec Corporation

06/21/18 / #20180172125

Rotation transmission mechanism and damper device

A rotation transmission mechanism may include a drive wheel structured to rotate to one side, a driven wheel turned by the drive wheel to one side, and an urging member urging the driven wheel to turn to the other side. The drive wheel may include a drive teeth forming part where drive teeth structured to turn the driven wheel to the one side are provided at positions different from each other in an axial line direction, and a cam face forming part on which the driven wheel is slid. ... Nidec Corporation

06/21/18 / #20180172024

Blower device and vacuum cleaner

A blower device includes a motor that includes a shaft centered around a central axis extending in a vertical direction, a stator surrounding the shaft, and a housing holding the stator, an impeller that is connected to an upper side of the shaft, an impeller housing that accommodates the impeller and includes an intake port, and an exhaust port that is positioned below a circumferential edge portion of the impeller housing. The exhaust port is positioned above the housing and opens downwards along a circumferential direction.. ... Nidec Corporation

06/14/18 / #20180166958

Stator unit, motor, and method of manufacturing stator unit

A stator unit included in a motor includes a base member, an armature, a circuit board, and a mold resin portion. The base member extends substantially perpendicularly to a vertically extending center axis. ... Nidec Corporation

06/14/18 / #20180166942

Stator unit, motor, and method of manufacturing stator unit

A stator unit included in a motor includes a base member, an armature, a circuit board, and a mold resin portion. The base member extends substantially perpendicularly to a vertically extending center axis. ... Nidec Corporation

06/14/18 / #20180163748

Fan assembly

A fan assembly for a refrigerator interior includes a lower housing where a fan that rotates around a rotation axis as a center is installed, the rotation axis extending in an up-down direction; an upper housing that includes an inlet that sucks air from the refrigerator interior; and a side housing that covers a surrounding portion of the fan, wherein any one of the upper housing, the lower housing, and the side housing includes a flow straightening member that straightens a flow of air that is discharged from the fan, and wherein any one of the upper housing, the lower housing, and the side housing includes a discharge port.. . ... Nidec Corporation

06/14/18 / #20180163747

Blower and vacuum cleaner

A blower according to an exemplary embodiment of the present disclosure includes a rotor that has a shaft disposed extending vertically, a stator positioned at an outer side of the rotor in a radial direction, a cylindrical housing extending in the axial direction and accommodating the rotor and the stator, and an impeller attached to the shaft, at an upper side from the stator. The stator includes a ring-shaped core back portion, plurality of teeth portions extending from the core back portion toward an inner side in the radial direction, an insulator that covers at least part of the teeth portions, a coil wound on each of the teeth portions via the insulator, and a flow path forming member of which at least part is positioned further at an inner side in the radial direction than the core back portion. ... Nidec Corporation

06/14/18 / #20180160872

Blower and vacuum cleaner

A blower includes a rotor including a shaft disposed along a central vertical axis, a stator positioned radially outward of the rotor, a tubular housing accommodating the rotor and stator, and an impeller attached to the shaft at a position above the stator. The stator includes an annular core back portion, tooth portions extending radially inwards from the core back portion, coils wound around the tooth portions, and at least two walls circumferentially arranged with a gap therebetween. ... Nidec Corporation

06/07/18 / #20180159384

Motor

A motor includes a rotor including a shaft arranged along a central axis extending in one direction; and a stator arranged radially outside of the rotor. The stator includes a stator core including an annular core back portion arranged to surround the rotor, and a plurality of tooth portions arranged to extend radially inward from the core back portion; and coils each of which is wound around a separate one of the tooth portions. ... Nidec Corporation

06/07/18 / #20180156233

Blower and vacuum cleaner

A blower according to an exemplarily embodiment of the present disclosure includes a motor that includes a shaft disposed along a center axis extending vertically; an impeller that is connected to the shaft and rotates integrally with the shaft; an impeller housing that is disposed on an upper side of the impeller or a radially outer side of the impeller; a motor housing that is disposed on a radially outer side of the motor; a passage member that is disposed on a radially outer side of the motor housing with a gap interposed therebetween; and a plurality of stator blades that are arranged in a circumferential direction in the gap between the motor housing and the passage member. At least one of the stator blades includes a first stator blade disposed on either one of the motor housing and the passage member, and a second stator blade disposed on the other one of the motor housing and the passage member. ... Nidec Corporation

05/31/18 / #20180152601

Imaging device and imaging method

An imaging apparatus for use with a subject may include a light source structured to irradiate the subject with a yellow light, a magenta light and a cyan light at a delayed illumination timing; and a plurality of photodetectors structured to detect the intensity of the light coming from the subject when the yellow light is irradiated, the intensity of the light coming from the subject when the magenta light is irradiated, and the intensity of the light coming from the subject when the cyan light is irradiated.. . ... Nidec Corporation

05/31/18 / #20180152122

Dc-brushless-motor control device

A dc-brushless-motor control device supplies current to windings of a stator of a three-phase dc brushless motor, which rotates a suction fan of a suction apparatus, and includes a controller controlling a rotation speed of a rotor; an, operation detection circuitry detecting an operation on the suction apparatus, and a storage storing information indicating a target rotation speed of the rotor divided into rotation speed levels corresponding to the operation detected by the operation detection circuitry. The controller controls the rotation speed of the rotor by feedback of the rotation speed of the rotor or the current supplied to the windings when the rotation speed of the rotor indicated by a movement cycle of a magnetic pole position detected by a magnetic pole position detector exceeds the target rotation speed corresponding to the operation detected by the operation detection circuitry.. ... Nidec Corporation

05/31/18 / #20180152083

Stator for an electric motor

A stator for an electric motor may have a substantially annular shape centered around a central axis and may include a stator core having a plurality of teeth consecutively arranged in a circumferential direction, and a plurality of coils wound around respective teeth of the plurality of teeth. The plurality of coils may be grouped into a plurality of phase groups. ... Nidec Corporation

05/31/18 / #20180152080

Dc-brushless-motor control device

A dc-brushless-motor control device supplies current to windings of a stator of a three-phase dc brushless motor and controls conduction states of switches based on first, second, third, and fourth states, in order from a time point when a magnetic pole position detected by a magnetic pole position detector reaches a reference position, the first state where both of the first and second switches are in an off state, the second state where the first switch is maintained in an on state and the second switch is maintained in the off state, the third state where both of the first and the second switches are in the off state, and the fourth state where the first switch is maintained in the off state and the second switch is maintained in the on state.. . ... Nidec Corporation

05/31/18 / #20180152073

Stator unit and motor

A stator unit for use in a motor includes a cylindrical bearing housing, a stator core, a resin insulator, a conductive wire, a circuit board, a molded resin portion, and an elastic member. The stator core is fixed to an outer circumferential surface of the bearing housing. ... Nidec Corporation

05/31/18 / #20180150663

Card reader and method of controlling card reader

A card reader for connecting a plurality of types of devices detachably may include a connection detection unit configured to check a connector to which a socket is connected among connectors of the plurality of types of devices; a device discrimination unit configured to check information stored in association with the connector checked by the connection detection unit and to set a security level of an own apparatus; and a data-processing unit configured to record or reproduce data in a card corresponding to the security level of the own apparatus that is set by the device discrimination unit.. . ... Nidec Corporation

05/31/18 / #20180150656

Card reader and magnetic information recording medium processing device

A card reader may include a conveyance passage; an optical sensor; a first circuit board; a second circuit board; a first cover member; a second cover member; a first frame; and a second frame comprising a conveyance face on a second direction side of the card conveyance passage. The first frame may include a first transmission hole, and the first frame may be attached with one of the first circuit board and the second circuit board. ... Nidec Corporation

05/31/18 / #20180149539

Hydraulic sensor attachment structure

A hydraulic sensor attachment structure includes an accommodating portion, a sensor case, and a lid disposed over the accommodating portion. In the hydraulic sensor attachment structure, an oil passage body includes the accommodating portion and a hydraulic pressure detection port. ... Nidec Corporation

05/31/18 / #20180149148

Refrigerant compressor

A refrigerant compressor includes a hermetically sealed housing and includes a drive unit; wherein the drive unit is arranged in the interior of the housing and is attached, by way of at least one spring element, to at least one mounting region of the housing with mounting action; wherein a first mounting element and a second mounting element are provided; wherein one of the two mounting elements is connected to the drive unit and the other of the two mounting elements is connected to the mounting region. The first mounting element is of sleeve-like form and has an inner wall, and the second mounting element has a bolt-like section, wherein the bolt-like section is received at least in sections in the first mounting element, whereby an overlap region is formed, in which overlap region a gap is formed between the bolt-like section of the second mounting element and the inner wall of the first mounting element.. ... Nidec Corporation

05/24/18 / #20180145616

Dc-brushless-motor control device

A dc-brushless-motor control device supplies a current to windings of a stator of a three-phase dc brushless motor which rotates a negative pressure generation fan, and includes a rectifier that rectifies an alternating current with a voltage of 300 v or less, a booster that boosts a voltage of the current rectified by the rectifier to 360 v or more, a three-phase bridge inverter that supplies the current boosted by the booster to the windings of the three-phase dc brushless motor, and a controller that controls a rotation speed of a rotor by controlling a conduction state of the three-phase bridge inverter based on a magnetic pole position detected by a magnetic pole position detector which detects a magnetic pole position of the rotor of the three-phase dc brushless motor.. . ... Nidec Corporation

05/24/18 / #20180144159

Card insertion and ejection mechanism and card processing device

Provided is a card insertion and ejection mechanism to be mounted forward of a card reader structured to convey a card so that a longitudinal direction of the card is coincided with a conveying direction of the card, the card insertion and ejection mechanism being capable of preventing skimming and capable of sending into the card reader the card in an orientation capable of being processed by the card reader even when the card is inserted into the card insertion and ejection mechanism in any orientation. A card insertion and ejection mechanism takes in a card to a turning position when the card is inserted into a card insertion port with front and rear sides of the card directed correctly so that a short widthwise direction of the card is coincided with an “x” direction, and controls a card turning and conveying mechanism in a turning direction and at a turning angle based on a result of determination as to an orientation of the inserted card, to turn the card. ... Nidec Corporation

05/24/18 / #20180143093

Oil pressure sensor attachment structure

An oil sensor attachment structure includes a guide projection disposed on an upper surface of an oil passage body and a sensor case. The guide projection includes a pair of first walls, a pair of first protrusions protruding toward each other, and a second wall. ... Nidec Corporation

05/24/18 / #20180141208

Industrial robot

An industrial robot may include a plurality of hands structured to mount the transfer objects; an arm comprising a front end side and a base end side, the hands being rotatably joined with the front end side of the arm; and a main body portion to which the base end side of the arm is rotatably joined. The main body portion may include an elevating unit to which the base end side of the arm is rotatably joined on a top surface side thereof, a housing which holds the elevating unit to be raised/lowered and in which at least part of a bottom end of the elevating unit is housed, and an elevating mechanism structured to raise and lower the elevating unit. ... Nidec Corporation

05/24/18 / #20180140145

Blower and vacuum cleaner

A blower according to an exemplary embodiment of the present disclosure includes a rotor that has a shaft, a stator, a housing, an impeller attached to the shaft, at an upper side from the stator, and an exhaust air guide portion attached at the upper side of the housing. The housing has a plurality of through holes passing through the housing in the radial direction. ... Nidec Corporation

05/17/18 / #20180138777

Motor, motor device and pointer type display device

A motor in which a stator core is positioned in a case; a motor device equipped with the motor; and a pointer type display device are provided. Specifically, in a motor, a stator core is equipped with a round hole and an elongated hole, and positioning parts that correspond to the round hole and the elongated hole are formed in a first case. ... Nidec Corporation

05/17/18 / #20180135649

Axial fan and refrigerator

An axial fan includes an impeller, a motor, and a housing. The impeller is configured to rotate about a rotation axis extending in a vertical direction; a motor configured to rotationally drive the impeller. ... Nidec Corporation

05/17/18 / #20180135648

Axial fan and refrigerator

An axial fan according to an exemplary embodiment of the present disclosure includes an impeller, a motor, and a housing. The impeller is configured to rotate about a rotation axis extending in a vertical direction. ... Nidec Corporation

05/10/18 / #20180130619

Rotary switch

Rotary switches and associated methods. A rotary switch can include one or more arcuate passages which are prone to ingress of particulate or liquid contaminants. ... Nidec Corporation

05/10/18 / #20180129833

Card processing device and a control method of card processing device

A card processing device with which a user operates a card by hand may include a card-inserting section at which the card is inserted; a card-storing section structured to store the card while a rear end portion of the inserted card is exposed from the card-inserting section; a reading section structured to read recorded information on the card stored in the card-storing section; a first detecting section structured to detect that the card is inserted to the card-storing section from the card-inserting section; a second detecting section, arranged on the farther side than the first detecting section in the inserting direction of the card, structured to detect that the card is inserted; and a status-monitoring section structured to detect fraud from the relation of the detections of the card at the first detecting section and the second detecting section.. . ... Nidec Corporation

05/10/18 / #20180129119

Optical unit with shake correction function

An optical unit with a shake correction function may include an optical module which holds an optical element, a swing support mechanism structured to swingably support the optical module, a holder which holds the optical module through the swing support mechanism, a turnable support mechanism which turnably supports the holder around the axial line, a fixed body which supports the holder through the turnable support mechanism, a magnetic swing drive mechanism structured to swing the optical module, and a magnetic rolling drive mechanism structured to turn the holder. The magnetic swing drive mechanism may include a swing drive magnet fixed to the fixed body and a swing drive coil fixed to the optical module. ... Nidec Corporation

05/10/18 / #20180129118

Optical unit with shake correction function

An optical unit with a shake correction function may include a movable body having an optical module, a swing support mechanism, and a holder; a fixed body which turnably holds the movable body around the axial line; a magnetic swing drive mechanism structured to swing the optical module; and a magnetic rolling drive mechanism structured to turn the movable body around the axial line. The magnetic rolling drive mechanism may include a rolling drive magnet which is fixed to the fixed body and a rolling drive coil and a magnetic sensor which are fixed to the movable body so as to face the rolling drive magnet. ... Nidec Corporation

05/10/18 / #20180129066

Optical unit with shake correction function

An optical unit includes a subject-side rotary bearing part located on a subject side of an optical module and an image-side rotary bearing part located on an image side of the optical module. The two rotary bearing parts disposed on both the subject side and the image side of the optical module make it possible to restrain the tilt of the optical module and restrain backlash during a rotation of the optical module around an optical axis. ... Nidec Corporation

05/10/18 / #20180129065

Optical unit with shake correction function

An optical unit with a shake correction function may include an optical module comprising an optical element; a swing support mechanism structured to swingably support the optical module between a reference posture in which a preset axis and an optical axis are aligned, and an inclined posture in which the optical axis is inclined with respect to the axis; a holder structured to support the optical module via the swing support mechanism; a rotation support mechanism structured to rotatably support the holder around the axis; a fixed body structured to support the holder via the rotation support mechanism; a swing magnetic drive mechanism structured to swing the optical module; and a rolling magnetic drive mechanism structured to rotate the holder. The rotation support mechanism may include a rotation bearing that supports the holder on a subject side of the swing support mechanism.. ... Nidec Corporation

05/03/18 / #20180123433

Motor and method of manufacturing motor

A motor may include a stator having coil groups of plural phases and a connector, the stator comprising a plurality of split stators. Each of the split stators may include a split core having an arc-shaped core back section and a tooth section, an insulator, a coil which has a lead-out line that is connected to the connector. ... Nidec Corporation

05/03/18 / #20180123416

Motor and method of manufacturing motor

A motor includes a stator, a rotor that rotates relatively to the stator, a circuit board, and a holding member that holds the stator and the circuit board. The stator includes a stator core including a core back and teeth, an insulator covering a portion of the stator core, a coil with a coil wire wound around the teeth with the insulator in between, and a coil end portion being an end portion of the coil wire. ... Nidec Corporation

05/03/18 / #20180123231

Directional antenna for wireless motor connection

An antenna assembly comprises a substrate, an impedance matching network, and a driven antenna element. The substrate includes an insulating layer and a first electrically conductive layer disposed on a top surface of the insulating layer. ... Nidec Corporation

04/19/18 / #20180108377

Motor and disk drive apparatus

This motor is arranged to rotate an annular member, and includes a stationary portion including a stator, and a rotating portion arranged to be rotatable about a central axis extending in a vertical direction. The rotating portion includes a hub arranged to extend in an annular shape around the central axis; a magnet including a pole surface arranged radially opposite to the stator; and a yoke to which the magnet is fixed. ... Nidec Corporation

04/19/18 / #20180106348

Continuously variable transmission and bicycle

A continuously variable transmission includes an input rotor, an output rotor, a plurality of planetary rollers, a guide member, a movable ring, and an elastic member. The input rotor is arranged to rotate about a main axis at a rotation rate before a speed change. ... Nidec Corporation

04/12/18 / #20180103536

Packaging a printed circuit board having a plurality of semiconductors in an inverter

An electrical device configuration enables heat to be dissipated from a multi-layer printed circuit board (pcb) while handling electrical currents in excess of 200 amps. The semiconductor devices that convert input dc current to output ac current are mounted to a side of the pcb that is opposite the side of the pcb that receives the input dc current. ... Nidec Corporation

04/12/18 / #20180102694

Motor apparatus and method of manufacturing same

A motor apparatus including a motor unit, an external circuit board provided external to the motor unit, a casing that holds the external circuit board, and a first resin portion that coats the external circuit board, in which the motor unit includes a rotating portion that rotates about a central axis that extends vertically, the rotating portion including a magnet, a stationary portion that includes an armature, the stationary portion rotatably supporting the rotating portion, and a second resin portion that coats the armature, in which the casing includes a bracket portion that holds the stationary portion, and in which the first resin portion and the second resin portion are formed in a continuous manner.. . ... Nidec Corporation

04/12/18 / #20180100517

Centrifugal blower and vacuum cleaner

A centrifugal blower includes a motor including a stator and a motor cover, a centrifugal impeller rotating together with a rotating portion of the motor, and a blower casing. The stator includes a stator core including a toric core back. ... Nidec Corporation

04/12/18 / #20180100511

Fan motor

This fan motor includes a motor and an impeller arranged to rotate together with a rotating portion of the motor. The motor includes a stationary portion including a stator, and the rotating portion, which includes a magnet arranged opposite to the stator and which is supported through a bearing portion to be rotatable about a central axis extending in a vertical direction with respect to the stationary portion. ... Nidec Corporation

04/05/18 / #20180097418

Coils for electrical machines

. . A coil for an electrical machine having a stator with salient poles is disclosed. The coil has first and second coil sides joined by a respective coil end at each end to define a space for accepting a salient pole. ... Nidec Corporation

04/05/18 / #20180095237

Wide angle lens

A wide angle lens includes a first to a third lenses, a diaphragm, a fourth to a sixth lenses disposed in order from an object side. The fourth lens is a glass lens, and the second lens, the third lens, the fifth lens and the sixth lens are plastic lenses. ... Nidec Corporation

03/29/18 / #20180090166

Spindle motor and disk drive apparatus

In a spindle motor, a cup portion of a base member includes a cylindrical portion coaxial or substantially coaxial with a central axis extending in a vertical direction and a bottom plate portion defined integrally with the cylindrical portion, and located to close a lower portion of the cylindrical portion. The bearing mechanism is inside of the cup portion and an outer circumferential surface of the bearing mechanism and an inner circumferential surface of the cylindrical portion include a first adhesive layer located therebetween. ... Nidec Corporation

03/29/18 / #20180088297

Lens unit and manufacturing method for lens unit

A lens unit with multiple lenses includes at least a glass lens arranged in an optical axis direction and a lens barrel holding the lenses. The lens barrel includes a lens holder holding the glass lens. ... Nidec Corporation

03/29/18 / #20180087992

Hydraulic pressure sensor attachment structure

A guide protrusion includes first walls protruding upwards from an upper face of a body, facing each other across an opening in a first direction, and first protrusions protruding from each first wall toward the other. A receptive portion between the first walls has a first opening, opening to one side in a second direction orthogonal to the first direction. ... Nidec Corporation

03/29/18 / #20180087991

Oil-pressure-sensor attachment structure

In an oil-pressure-sensor attachment structure according to an aspect of the invention, an oil channel body includes a lower body and an upper body arranged at an upper side of the lower body in a superposed manner. The attachment structure includes the upper body, a sensor case, and a connection member including an electrical connection portion that electrically connects an external power supply with a sensor main body. ... Nidec Corporation

03/29/18 / #20180087990

Oil pressure sensor attaching structure

According to an aspect of the present invention, there is provided an oil pressure sensor attaching structure in which a plurality of guide protrusion portions are disposed with a gap in a circumferential direction and surround an oil passage opening portion. The guide protrusion portions have an arc-shaped wall portion and a protrusion portion. ... Nidec Corporation

03/29/18 / #20180085688

Control valve apparatus

A strip-shaped filter in the shape of a circular arc is arranged at a port opening portion of an oil passage, the port opening portion being in maximum proximity to a spool hole portion or a valve element, to prevent a contaminant in the oil passage from reaching the spool hole portion or the valve element. A groove portion is arranged to extend in a circumferential direction in a wall surface of the upper body which defines the spool hole portion. ... Nidec Corporation

03/22/18 / #20180083521

Manufacturing method of linear actuator, and linear actuator

A method for manufacturing a linear actuator may include providing a first element and a second element to a stationary element; supporting the movable element with the first element by the intermediary of the spring member; setting a distance dimension between the movable-element-side facing surface and the stationary-element-side facing surface with a specified dimension corresponding to a length dimension of the damper members, by way of making a relative displacement between the first element and the second element in the moving direction, in a situation where a clearance is formed between the first element and the second element in the moving direction; and fixing the first element and the second element to each other by use of an adhesive, in the situation of having the clearance between the two.. . ... Nidec Corporation

03/22/18 / #20180082087

Card processing device

A card processing device may include a moving part having a support member and a presser member, the moving part being structured to move in the thickness direction of the card; a holding member; an abutting member; a first urging member urging the abutting member in the ejecting direction; a second urging member urging the moving part; and a drive source to move the moving part. In inserting the card, the holding member may slide from a hold position to a retreated position, and the moving part may move from an insertable and ejectable position to an insertion completion position. ... Nidec Corporation

03/22/18 / #20180079294

Wheel unit

A wheel unit includes a motor, a pinion gear fixed to a rotating portion of the motor, a wheel including an annular ground surface and rotating around a final gear support shaft, and a final gear disposed on one side in an axial direction with respect to the wheel. The wheel unit further includes a speed reduction mechanism which decelerates rotation of the pinion gear and transmits the rotation to the final gear and a gear case which accommodates the pinion gear. ... Nidec Corporation

03/22/18 / #20180079293

Wheel unit

A wheel unit includes a motor, a pinion gear fixed to a rotating portion of the motor, a wheel including an annular ground surface and rotating around a final gear support shaft, and a final gear disposed on one side in an axial direction with respect to the wheel. The wheel unit further includes a speed reduction mechanism which decelerates rotation of the pinion gear and transmits the rotation to the final gear and a gear case which accommodates the pinion gear. ... Nidec Corporation

03/22/18 / #20180079292

Wheel unit

A wheel unit includes a motor, a pinion gear fixed to a rotating portion of the motor, a wheel including an annular ground surface and rotating around a final gear support shaft, and a final gear disposed on one side in an axial direction with respect to the wheel. The wheel unit further includes a speed reduction mechanism which decelerates rotation of the pinion gear and transmits the rotation to the final gear and a gear case which accommodates the pinion gear. ... Nidec Corporation

03/15/18 / #20180076702

Vibration motor

A vibration motor includes a stationary portion, a vibrating body, an elastic member, and a damper member. A back yoke is disposed on a magnet. ... Nidec Corporation

03/15/18 / #20180076696

Motor and method for manufacturing the same

A stationary portion of a motor includes a stator core including teeth, an insulator covering a surface of the stator core, a coil including a conductive wire, a housing, and a circuit board. The housing includes a cylindrical portion in which the stator core is fixed to the outer circumference thereof and a base portion extending from the cylindrical portion radially outward. ... Nidec Corporation

03/15/18 / #20180075263

Card reader

A card reader may include a card insertion port; a magnetoresistive (mr) sensor, and a disturbing magnetic field generator, wherein the card may include a magnetic stripe, and magnetic data recorded in the magnetic stripe may be arranged in a moving direction of the card inserted through the card insertion port. The mr sensor may include a first resistor and a second resistor separated by a distance which is less than a bit interval of magnetic data, in a case that “0” data are recorded in the magnetic stripe, in the moving direction of the card.. ... Nidec Corporation

03/15/18 / #20180071779

Vibration motor

A vibration motor includes a stationary portion, a vibrating body, an elastic member, and a damper member. The elastic member includes a first extending portion, a second extending portion, a first connection portion, a second connection portion, a third extending portion, a fourth extending portion, a third connection portion, a fourth connection portion, and a fifth connection portion. ... Nidec Corporation

03/15/18 / #20180071778

Vibration motor

In a vibration motor, a substrate is disposed on a base plate, a coil is disposed on the substrate, and a magnet is disposed so as to be accommodated in an inner peripheral side of the coil having an annular shape by vibration. A back yoke is disposed on the magnet, a weight is disposed on the back yoke, and a case accommodates the coil, the magnet, the back yoke, and the weight. ... Nidec Corporation

03/15/18 / #20180071777

Vibration motor

A vibration motor includes: a stationary portion which has a base plate, substrate, coil, and case; a vibrating body which has a magnet, back yoke, and weight and is supported by the stationary portion so as to be capable of vibrating in a vertical direction; and an elastic member. In a vibration motor, a substrate is disposed on a base plate, a coil is disposed on the substrate, and a magnet is disposed so as to be accommodated on an inner peripheral side of the coil having an annular shape by vibration. ... Nidec Corporation

03/15/18 / #20180071776

Vibration motor

A back yoke of a vibration motor has a rectangular top surface portion, a long side protrusion portion that protrudes downward from a long side portion of the top surface portion, and a short side protrusion portion that protrudes downward from a short side portion of the top surface portion. The short side protrusion portion has a protrusion amount smaller than that of the long side protrusion portion. ... Nidec Corporation

03/08/18 / #20180069457

Stator unit, motor, and fan motor

The motor has a stator unit covered with a resin. The stator unit has a stator core, a coil, a circuit board, and an insulator. ... Nidec Corporation

03/08/18 / #20180066665

Motor and fan including the motor

A motor includes a stationary portion, and a rotary portion having a center axis, and rotatably supported with respect to the stationary portion so as to rotate about the center axis. The stationary portion includes an armature, a circuit board arranged below the armature, and a base portion configured to support the armature and the circuit board. ... Nidec Corporation

03/01/18 / #20180062492

Vibration motor

A vibration motor includes a shaft having a center axis extending in one direction; a stationary portion having a coil wound in a circumferential direction of the center axis; a vibrating body arranged outside the shaft in a radial direction and being vibratable in the one direction relative to the stationary portion; and at least a single coil spring arranged between the stationary portion and the vibrating body, and wound in the circumferential direction. The vibrating body includes a weight and a magnet arranged inside the coil in the radial direction, in the one direction with respect to the weight. ... Nidec Corporation

03/01/18 / #20180060678

Vehicle-mounted image recognition apparatus and method of manufacturing the same

In a vehicle-mounted image recognition apparatus, a resolution of an image projected on an imaging plane of an image sensor is different at a position away from a center between a circumferential direction and a radial direction. To make a circumferential resolution higher than a radial resolution, at least a lower half of the imaging plane is located closer to a circumferential focus than a middle of a radial focus and the circumferential focus at a position off the optical axis center of the image projected on the image sensor through the image-forming optical system. ... Nidec Corporation

03/01/18 / #20180057355

Sensor attachment structure

A groove is provided at an outer side of an outer wall of a pressure sensor in a radial direction, and opens at one end side in an axial direction of the pressure sensor. A horizontally extending stopper is provided at an inner wall of a sensor accommodation recessed portion. ... Nidec Corporation

03/01/18 / #20180056329

Vibration motor

A vibration motor includes a shaft, a stationary portion, a vibrating body, and an elastic member. The vibrating body includes a weight, first magnets, magnetic bodies, and one or more second magnets. ... Nidec Corporation

02/22/18 / #20180054102

Motor

This motor includes a stationary portion including a stator; and a rotating portion supported to be rotatable about a central axis extending in a vertical direction with respect to the stationary portion, and including a shaft arranged to extend along the central axis. The stationary portion includes a bearing arranged to rotatably support the shaft, and a base portion arranged to hold the stator. ... Nidec Corporation

02/22/18 / #20180053534

Base unit and disk drive apparatus

A base member includes a recessed portion arranged to extend in radial directions and recessed upward from a lower surface of the base member, the radial directions being directions perpendicular to a vertical direction; and a hole portion arranged to pass through the recessed portion in the vertical direction. The recessed portion includes a recessed portion loop-shaped surface being a loop-shaped surface perpendicular to the vertical direction. ... Nidec Corporation

02/15/18 / #20180048221

Linear actuator and method for manufacturing linear actuator

A linear actuator may include a movable element; a stationary element; and a damper member inserted between a movable-element-side facing suface of the movable element and a stationary-element-side facing surface of the stationary element. The stationary element may include a first element structured to support the movable element via a spring member in such a way as to be movable, and a second element comprising the stationary-element-side facing surface and overlapping with the first element from a side opposite to the movable element in the moving direction. ... Nidec Corporation

02/15/18 / #20180048212

Direct drive rotor with metal coupler

A rotor for an outer rotor-type motor is provided. The rotor includes a metallic coupler and a polymeric frame molded over at least part of the metallic coupler.. ... Nidec Corporation

02/15/18 / #20180048208

Motor and disk drive apparatus

A motor includes a stationary unit and a rotary unit. The stationary unit includes a stator, a base portion having at least one hole extending in the up-down direction, and a flexible wiring substrate. ... Nidec Corporation

02/15/18 / #20180045308

Device and a method for distributing torque in a worm gear assembly

A worm gear assembly may include an input shaft having a first and second screw formed axially thereon, a first torque transfer unit comprising a first worm wheel operatively coupled to the first worm screw, a first radial pinion coaxially affixed to the first worm wheel, and a first axial crown wheel operatively coupled to the first radial pinion, and a second torque transfer unit comprising a second worm wheel operatively coupled to the second worm screw, a second radial pinion coaxially affixed to the second worm wheel, and a second axial crown wheel operatively coupled to the second radial pinion, wherein the first radial pinion is in meshed interface with the second radial pinion, and wherein torque differences between the first axial crown wheel and the second axial crown wheel are transmitted at least in part through said meshed interface.. . ... Nidec Corporation

02/08/18 / #20180039159

Blade driving device

To enable continuous operational control of the blade member with high resolution and good accuracy, even when achieving miniaturization and thickness reduction in a blade driving device, through enabling smooth movement of a movable member in a blade driving device. A blade driving device 1 comprises: a base member 2 that has an opening 2a; one or a plurality of blade members 3 that operate so as to advance into the opening 2a or withdraw from the opening 2a; a driving member 4 that moves within a plane that is perpendicular to the optical axis that passes through the opening 2a, to drive the blade member 3; and supporting members 7 that are provided between the base member 2 and the driving member 4, so as to provide sliding support or elastic support of the driving member 4 in a state that is separated from the base member 2.. ... Nidec Corporation

02/08/18 / #20180039158

Blade driving device

To enable achievement of a reduction in the thickness in a blade driving device that includes a driving member, and to enable a reduction in size of an installation area in a blade driving device that includes a driving member. The blade driving device 1 comprises a base member 2 that has an opening 2a, one or more blade members 3 that operate so as to advance into the opening 2a or withdraw from the opening 2a, and a driving member 4 that is supported on the base member 2 and that moves within a plane that is perpendicular to an optical axis that passes through the opening 2a, for driving the blade member, wherein the driving member 4 is disposed at a position that overlaps the blade member on the periphery of the opening 2a.. ... Nidec Corporation

02/08/18 / #20180038770

Sensor attachment structure

A sensor case includes a body portion having a circular horizontal section. An upper body 1 includes an accommodation space 4 having a wall surface having a circular horizontal section, and the body portion is inserted in the accommodation space 4 such that the body portion is capable of rotating about a central axis thereof extending in a vertical direction. ... Nidec Corporation








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