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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


Blower apparatus and vacuum cleaner

A blower apparatus according to an exemplary embodiment of the present invention includes a motor including a shaft arranged to extend along a central axis extending in a vertical direction, and a bearing arranged to rotatably support the shaft; an impeller coupled to the shaft on an upper end side... Nidec Corporation

Motor

A motor includes a motor body part and a cap member. The motor body part includes a stationary unit, a rotary unit arranged to rotate about a center axis, and a bearing fixed to the stationary unit and arranged to rotatably support the rotary unit. The cap member includes a... Nidec Corporation

Motor

A motor includes a stationary unit and a rotary unit. The rotary unit includes a shaft, a magnet, and a rotor holder for holding the magnet on an inner circumferential surface thereof The rotor holder includes a top surface portion extending in a direction orthogonal to a center axis, a... Nidec Corporation

Blower apparatus

This blower apparatus includes an air blowing portion including a plurality of flat plates arranged with an axial gap defined between adjacent ones of the flat plates; a motor portion arranged to rotate the air blowing portion; and a housing arranged to house the air blowing portion and the motor... Nidec Corporation

Blower apparatus

This blower apparatus includes an air blowing portion including a plurality of flat plates arranged with an axial gap defined between adjacent ones of the flat plates; a motor portion arranged to rotate the air blowing portion; and a housing arranged to house the air blowing portion and the motor... Nidec Corporation

Blower apparatus

This blower apparatus includes an air blowing portion including a plurality of flat plates arranged with an axial gap defined between adjacent ones of the flat plates; a motor portion arranged to rotate the air blowing portion; and a housing arranged to house the air blowing portion and the motor... Nidec Corporation

Blower apparatus

This blower apparatus includes an air blowing portion including a plurality of flat plates; a motor portion; and a housing. The housing includes an air inlet and an air outlet. At least one of the flat plates includes an inner annular portion, an outer annular portion arranged radially outside of... Nidec Corporation

Blower apparatus

This blower apparatus includes an air blowing portion, a motor portion, and a housing. The housing includes an air inlet and an air outlet. At least one of the flat plates includes an air hole. Once the air blowing portion starts rotating, an air flow traveling radially outward is generated... Nidec Corporation

Blower apparatus

This blower apparatus includes an air blowing portion including a plurality of flat plates; a motor portion; and a housing. The housing includes an air inlet and an air outlet. Each of a top flat plate and intermediate flat plates among the flat plates includes an air hole and an... Nidec Corporation

Blower apparatus

This blower apparatus includes an air blowing portion, a motor portion, and a housing. The housing includes an air inlet and an air outlet. The air blowing portion includes a plurality of flat plates arranged with an axial gap defined between adjacent ones of the flat plates; and a spacer... Nidec Corporation

Blower apparatus

This blower apparatus includes an air blowing portion including a plurality of flat plates arranged with an axial gap defined between adjacent ones of the flat plates; a motor portion arranged to rotate the air blowing portion; and a housing arranged to house the air blowing portion and the motor... Nidec Corporation

Blower apparatus

This blower apparatus includes an air blowing portion including a plurality of flat plates arranged with an axial gap defined between adjacent ones of the flat plates; a motor portion arranged to rotate the air blowing portion; and a housing arranged to house the air blowing portion and the motor... Nidec Corporation

Blower apparatus

This blower apparatus includes an air blowing portion including a plurality of flat plates arranged with an axial gap defined between adjacent ones of the flat plates; a motor portion arranged to rotate the air blowing portion; and a housing arranged to house the air blowing portion and the motor... Nidec Corporation

Blower apparatus

This blower apparatus includes an air blowing portion including a plurality of flat plates arranged with an axial gap defined between adjacent ones of the flat plates; a motor portion arranged to rotate the air blowing portion; a clamper portion fixed to the motor portion; and a housing arranged to... Nidec Corporation

Motor drive device and electric power steering device

A motor drive device includes a plurality of control systems that individually supply drive currents to a plurality of coil groups included in a motor. The motor drive device independently sets the current command values for the respective control systems. Based on the set current command values, drive instructions are... Nidec Corporation

Motor and disk drive apparatus

A hub of this motor includes a hub annular portion being annular and arranged above a stator, and a flange portion arranged to extend radially outward from the hub annular portion, and including an upper surface on which an annular member is arranged. A yoke includes a first yoke cylindrical... Nidec Corporation

Motor

A circuit board is in the shape of a strip and includes: in one longitudinal end portion thereof, power connection portions connected to an external power supply; in another longitudinal end portion thereof, land portions to which portions of conducting wires drawn out downwardly of a base portion are connected;... Nidec Corporation

Stator unit, motor, and blower

A stator unit includes a base member including a bearing housing extending along a rotation axis, a stator fixed to an outer circumferential surface of the bearing housing, and a molding resin part covering the stator. The stator includes a stator core having teeth protruding radially outward, an insulator for... Nidec Corporation

Fan motor

A fan motor includes a motor including a stationary portion and a rotating portion arranged to rotate about a rotation axis extending in a vertical direction; an impeller including a plurality of blades, and arranged to rotate together with the rotating portion; a housing arranged to house the motor and... Nidec Corporation

Position estimation method and position control device

A method of position estimation including: a signal detection step in which N (where N is an integer of 3 or more) sensors each detect a magnetic field which is in accordance with a position of a mover and output a detection signal as an electrical signal, the detection signals... Nidec Corporation

Motor control device and motor control method

One exemplary embodiment of the present invention is a motor control device configured to control rotation of a motor based on a drive signal input from an input terminal wherein the motor control device extracts two or more pieces of information of first drive information indicating a drive state or... Nidec Corporation

Suction unit

Provided is a suction unit to be provided in an electric vacuum cleaner including an electric blower. The suction unit includes a suction inlet arranged to extend in a longitudinal direction, and arranged opposite to a surface to be cleaned; a connection opening to be connected to the electric blower;... Nidec Corporation

Suction nozzle and electric vacuum cleaner including the same

A suction nozzle of an electric vacuum cleaner including an electric blower, includes a suction inlet; an outlet; a suction passage extending along a center line joining a middle of the suction inlet in the longitudinal direction and a middle of the outlet in the longitudinal direction to connect the... Nidec Corporation

Motor

Provided is a motor including a shaft; two rotors attached to the shaft and spaced from each other in an axial direction by a predetermined distance; a stator arranged between the two rotors; a busbar unit arranged on one axial side of at least one of the two rotors, and... Nidec Corporation

Fan motor

A fan motor includes an electric motor including a stationary unit and a rotary unit, an impeller including blades and rotating together with the rotary unit, a housing accommodating the electric motor and the impeller, lead wires connected to the electric motor and extending radially outward, and a guide member.... Nidec Corporation

Motor

A motor includes: a motor main body; a power board including a switching element and electrically connected to the motor main body; a control board electrically connected to the power board and disposed on an axial counter output side of the motor main body; a control board holder attached to... Nidec Corporation

Motor

Provided is a motor having a rotary unit includes a shaft extending along the center axis, an armature core attached to the shaft and having six teeth radially extending toward a radial direction, a coil group of 6·n (however, n is 1 or 2) concentrated winding coils installed at the... Nidec Corporation

Blower apparatus and vacuum cleaner

A blower apparatus includes a motor portion having a central axis extending in a vertical direction; an impeller arranged above the motor portion, joined to a rotating portion of the motor portion, and arranged to rotate to send a gas from above radially outward; an impeller cover portion including an... Nidec Corporation

Blower apparatus and vacuum cleaner

A blower apparatus includes a motor portion having a central axis extending in a vertical direction; an impeller arranged above the motor portion, joined to a rotating portion of the motor portion, and arranged to rotate to send a gas from above radially outward; an impeller cover portion including an... Nidec Corporation

Rotary drive apparatus

This rotary drive apparatus is an apparatus arranged to rotate a first mirror and a second mirror each of which reflects incident light coming from a light source. The rotary drive apparatus includes rotating bodies including a first rotating body including the first mirror, and a second rotating body including... Nidec Corporation

Rotary drive apparatus

This rotary drive apparatus includes a stationary portion including a stator; and a rotating portion supported through a bearing portion to be rotatable about a central axis extending in a vertical direction with respect to the stationary portion, the rotating portion including a magnet arranged opposite to the stator. The... Nidec Corporation

Fan motor

This fan motor includes a motor, an impeller arranged to rotate together with a rotating portion of the motor, a housing arranged to house the motor and the impeller therein, and a lead wire connected to the motor and arranged to extend outwardly of the housing. The housing includes a... Nidec Corporation

Spindle motor and disk drive apparatus

A motor includes a rotating portion including a rotor magnet, and arranged to rotate about a central axis extending in a vertical direction; a bearing mechanism arranged to support the rotating portion such that the rotating portion is rotatable about the central axis; a stator portion arranged opposite to the... Nidec Corporation

Stator unit, motor, and parallel fan

This stator unit includes a cylindrical bearing housing arranged to extend along a central axis extending in a vertical direction; a base member arranged to fix the bearing housing; a stator fixed to an outer circumferential surface of the bearing housing; and a mold resin portion arranged to cover the... Nidec Corporation

Rotor core, motor and motor manufacturing method

A rotor core includes a laminated steel body including a plurality of magnetic core plates stacked one above another. The core plates extend in a direction perpendicular or substantially perpendicular to a vertical center axis. The rotor core includes a plurality of magnetic pole portions arranged along a circumferential direction.... Nidec Corporation

09/21/17 / #20170271999

Module, and power conversion apparatus and motor using the module

A circuit element includes an upper switching device, a lower switching device, an upper diode device, and a lower diode device. An upper drain is connected to a first terminal connected to a positive electrode of a power supply, and an upper source is connected to a third terminal. A... Nidec Corporation

08/31/17 / #20170249968

Spindle motor and disk drive apparatus

A cup portion of a base member includes a cylindrical portion and a bottom plate portion. The cylindrical portion is arranged to be coaxial or substantially coaxial with a central axis extending in a vertical direction. The bottom plate portion is defined integrally with the cylindrical portion, and is arranged... Nidec Corporation

08/31/17 / #20170249975

Disk drive base unit with communicating groove extending outside outer circumferential portion of connector

A base member of a disk drive apparatus includes a window portion, a first groove, and a communicating groove. The window portion passes through a bottom plate portion of the base member in an axial direction. The first groove is defined in an upper surface of the bottom plate portion... Nidec Corporation

08/17/17 / #20170237315

Electric motor-attached speed reducer

An electric motor-attached speed reducer includes a first member, an electric motor, a speed reduction mechanism, and a second member. The electric motor is arranged to produce rotational motion with respect to the first member. The speed reduction mechanism is arranged to transfer the rotational motion obtained from the electric... Nidec Corporation

08/10/17 / #20170227020

Fan motor

This fan motor includes a motor, an impeller arranged to rotate together with a rotating portion of the motor, and a housing arranged to house the motor and the impeller therein. The housing includes an inner wall portion, a silencer portion, and a communicating opening. The inner wall portion is... Nidec Corporation

07/27/17 / #20170209015

Wheel driving device and cleaner robot having the same

A wheel driving device includes: a motor rotating a shaft: an input gear fixed to the shaft; at least one transmission gear meshed with the input gear to transmit power of the motor; and a final gear meshed with the transmission gear and connected with a wheel via an axis... Nidec Corporation

07/13/17 / #20170201147

Motor

A motor includes a rotor, a stator, a housing, a bus bar assembly, a cover fixed to the housing, and a circuit board. The bus bar assembly includes a bus bar, a wiring member, and a bus bar holder. The bus bar holder includes a main body portion, a connector... Nidec Corporation

07/13/17 / #20170201148

Motor

A motor includes a bus bar holder with a bottom portion widening from an inner surface of a main body portion to a radially inner side, and protrusion portions extending from the bottom portion toward one side. A wiring member held by the bus bar holder includes circuit board connection... Nidec Corporation

07/13/17 / #20170201149

Motor

A motor includes a bus bar holder with a main body portion, a connector portion protruding from the main body portion toward a radially outer side, and a connection terminal holding portion protruding from the main body inner surface toward a radially inner side. The main body portion is provided... Nidec Corporation

07/13/17 / #20170201150

Motor

A motor includes a rotor with a shaft, a stator, first and second bearings supporting the shaft, a bus bar assembly holding the second bearing, a circuit board, a sensor magnet fixed to the shaft, and a rotation sensor which is attached to the circuit board and faces a direction.... Nidec Corporation

07/13/17 / #20170201151

Motor

A motor includes a bus bar assembly including a bus bar, a wiring member, and a bus bar holder. The bus bar holder includes a main body portion, a bottom portion, and a first circuit board support portion. The wiring member includes a circuit board connection terminal electrically connected to... Nidec Corporation

07/13/17 / #20170201152

Motor

A bus bar holder of a motor includes a main body portion, and a connector portion protruding from the main body portion toward a radially outer side and located at a rear side of an axial direction ahead of a housing. The bus bar holder is provided with a seal... Nidec Corporation

06/29/17 / #20170186467

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 or directions parallel to these directions; and a hole portion arranged to pass through the recessed... Nidec Corporation

06/15/17 / #20170169851

Spindle motor

A bearing portion includes an upper dynamic pressure portion, a lower dynamic pressure portion, and an intra-bearing space defined between a lower surface of a fluid in the upper dynamic pressure portion and an upper surface of a fluid in the lower dynamic pressure portion, and not including the fluid.... Nidec Corporation

06/15/17 / #20170170712

Vibration motor

A vibration motor includes a stationary portion including a casing and a coil; a vibrator including a magnet, and supported to be capable of vibrating in a first direction with respect to the stationary portion; and an elastic member arranged between the stationary portion and the vibrator. The elastic member... Nidec Corporation

06/08/17 / #20170159662

Centrifugal fan

A centrifugal fan may include an impeller arranged to rotate about a rotation axis, an impeller case arranged to accommodate the impeller, a motor arranged to rotate the impeller, and a motor case arranged to accommodate the motor. The impeller may include a boss portion joined to a shaft arranged... Nidec Corporation

05/04/17 / #20170126109

Vibration motor

A vibration motor includes a stationary portion including a housing and a coil, a moving portion, and an elastic member arranged between the stationary portion and the moving portion. The moving portion includes a magnet, a bracket, and an adhesive layer. The moving portion further includes a jacket arranged to... Nidec Corporation

04/13/17 / #20170104393

Noise suppression circuit

A noise suppression circuit for use with a noise source connected to ground may include a first capacitor having a first terminal and a second terminal, the first terminal of the first capacitor being connected to the noise source; and a first impedance element having a first terminal and a... Nidec Corporation

02/16/17 / #20170047097

Top cover and disk drive apparatus

A case of a disk drive apparatus includes a housing in which a disk is accommodated, and a top cover arranged to close an opening of the housing. The top cover includes a top cover body and a flow control member. The top cover body is a plate-shaped member arranged... Nidec Corporation

02/09/17 / #20170036261

Die abnormality prediction system, press machine provided with the same, and die abnormality prediction method

Provided is an abnormality prediction system and an abnormality prediction method that are capable of predicting an abnormality occurring in a die that is used in a press machine. A die abnormality prediction system (50) includes: an acoustic emission (AE) sensor (62) configured to detect an elastic wave that occurs... Nidec Corporation

02/02/17 / #20170033625

Motor

Described herein is a motor including a stationary section and a rotating section. The stationary section includes a stator core having a plurality of teeth, and a coil constituted by a conducting wire wound around each of the plurality of teeth. The rotating section has a plurality of magnets arranged... Nidec Corporation

01/26/17 / #20170023019

Fan

A blower fan includes a lower plate portion made of a material having a thermal conductivity of 1.0 W/(m·K) or more, and a side wall portion made of a material having a thermal conductivity of 1.0 W/(m·K) or more. An upper plate portion arranged to cover an upper side of... Nidec Corporation

01/26/17 / #20170025145

Spindle motor and disk drive apparatus

A motor may include a bearing mechanism including a shaft arranged along a center axis, a sealing member has one-end closed cylindrical shape and a recess receiving a lower portion of the bearing mechanism, a stationary portion including a base defining a part of the housing, and a rotary portion... Nidec Corporation

01/26/17 / #20170025146

Spindle motor and disk drive apparatus

A motor includes a bearing mechanism including a shaft disposed along a center axis extending in a lengthwise direction, a sealing member disposed on a lower side of the bearing mechanism, a stationary portion including a base constituting a part of the housing, and a rotary portion rotating relative to... Nidec Corporation

01/26/17 / #20170025916

Motor

A motor may include a shaft, an armature, a commutator, a bearing, a housing, a bracket, and a brush card assembly. The brush card assembly may include a brush contacting the commutator, and a brush card holding the brush. The bracket may include a bracket bottom portion covering at least... Nidec Corporation








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