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Mitsuba Corporation
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Mitsuba Corporation patents


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

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


 new patent  Window glass lifting device for vehicle, and vehicle

A vehicle window glass lifting device includes a drive mechanism arranged on a vehicle door to vertically move a window glass, a control unit for controlling the drive mechanism, and a camera for capturing an image of a detection line provided on a vehicle interior side of the window glass, the detection line being along at least a part of an outer edge of the window glass in a state that the door and the window glass are closed. The control unit includes a detection means to detect a blocked state in which at least a part of the detection line is blocked by a foreign object, and a pinching prevention means that causes the drive mechanism to conduct a pinch prevention operation for preventing pinching by the window glass when the blocked state is detected by the detection means while the window glass is moved by the drive mechanism.. ... Mitsuba Corporation

 new patent  Wiper system control device

A wiper system 1 has wiper blades 4a and 4b driven by a wiper motor 7 and washer nozzles 16 for ejecting washer liquid in association with operation of a washer motor 18. The wiper motor 7 and the washer motor 18 are drive-controlled by a controller 9 housed in a motor unit 6. ... Mitsuba Corporation

Vehicle mirror

A mirror main body (15) includes a surface (17b) of tempered glass (17) on which mirror finishing is applied and a back surface (17a) of the tempered glass (17) on which a thin film (18) which is impermeable and has low reflectance with respect to visible light is provided.. . ... Mitsuba Corporation

Vehicle window glass raising/lowering device, vehicle door, and vehicle

A vehicle window glass raising/lowering device includes a drive mechanism, a control unit for controlling the drive mechanism, and a camera for capturing an image of a detection line. The camera includes an optical system. ... Mitsuba Corporation

Brushless wiper motor

Since a shape of a stator 44 is made mirror symmetric with respect to a rotor 45 as a 4-pole/6-slot type, rotational deflection of the rotor 45 can be suppressed. As the minimum number of poles and the minimum number of slots, which can suppress the rotational deflection of the rotor 45, a frequency of magnetic noises approaches a frequency of mechanical noises. ... Mitsuba Corporation

Reaction force generating apparatus

It is an object of the present invention to provide a reaction force generating apparatus which can be improved in size and weight. In the reaction force generating apparatus (10) having: an arm (44) which is rotated by a load, and an electric motor (12) for applying a reaction force to the arm (44), the reaction force generating apparatus (10) further has: a support shaft (32) which is rotatably installed in a transmission passage (14) through which a reaction force is transmitted to the arm (44); a gear (36) which is rotatably attached to the support shaft (32); a sector gear (40) which is disposed on a downstream side of the transmission passage (14) from the gear (36), and coupled to the gear (36); an output shaft (38) which is rotatably installed in the transmission passage (14), and to which the sector gear (40) and the arm (44) are attached; and a one-way clutch (37) which is interposed between the support shaft (32) and the gear (36) in the transmission passage (14), wherein the one-way clutch (37) has: an engaged state in which, when the gear (36) is rotated in a first direction, the one-way clutch (37) connects the transmission passage (14) to the arm (44); and a released state in which, when the gear (36) is rotated in a second direction, the one-way clutch (37) blocks the transmission passage (14), and the sector gear (40) has a meshing portion (40b) formed within a specific angular range in a rotation direction.. ... Mitsuba Corporation

Motor with speed reducer, and rear wiper motor

A motor with a speed reducer includes a motor (4) received in a motor housing (2), a speed reducer (5) received in the motor housing (2) and that is driven by receiving power from a motor shaft of the motor (4) and that reduces rotation of a rotor boss (43) and outputs the reduced rotation, and a drive shaft (7) received in the motor housing (2), connected to an output shaft (58) of the speed reducer (5) via a transmission belt (6) and that drives a driven body, wherein the rotor boss (43) and the output shaft (58) are disposed coaxially, and the output shaft (58) and the drive shaft (7) are disposed parallel in a radial direction.. . ... Mitsuba Corporation

Electric motor

In an electric motor (2) which includes four permanent magnets (12) and in which the number of teeth (20) and the number of slots (23) are set to 6, when a polar arc angle of the permanent magnet (12) is θ1, and a skew angle of the teeth (20) and the slots (23) is θ2, the polar arc angle θ1 and the skew angle θ2 are set so as to satisfy 50°≦θ1<70° and 0°<θ2≦20°.. . ... Mitsuba Corporation

Control apparatus

A control apparatus includes a terminal that includes a plurality of electrically conductive plate materials, a base member on which the terminal is provided, and an electronic component that includes a plurality of electronic elements which are electrically connected to the terminal, wherein a window part from which part of the terminal is exposed is formed on the base member so as to penetrate in a thickness direction of the base member, and an extension electronic component arrangement part is provided on the base member, and wherein the electronic component is electrically connected to the terminal that is exposed from the window part, and an electronic component is electrically connectable selectively between a plurality of bus bars by the extension electronic component arrangement part.. . ... Mitsuba Corporation

Vehicle window glass raising/lowering device, vehicle door, and vehicle

A vehicle window glass raising/lowering device includes a drive mechanism, a control unit for controlling the drive mechanism, and a camera for capturing an image of a detection line. The control unit includes a detection means for detecting a blocked state in which the detection line captured in an image by the camera is at least partially blocked by a foreign object, and a pinching prevention means that causes the drive mechanism to perform a pinch prevention operation when the blocked state is detected by the detection means during when a window glass is moved by the drive mechanism. ... Mitsuba Corporation

Actuator and actuator for opening/closing vehicle door

An actuator includes an actuator main body, an operating shaft attached to a tail gate, a vehicle body-side socket that fixes the actuator main body to an attachment surface of a bracket, and a guide part installed between the attachment surface of the bracket and the vehicle body-side socket, wherein the vehicle body-side socket is fixed to the bracket via the guide part, and the guide part restricts rotation of the vehicle body-side socket about an arbitrary straight line crossing a line in a direction normal to the attachment surface.. . ... Mitsuba Corporation

Vehicle window glass raising/lowering device, vehicle door, and vehicle

A vehicle window glass raising/lowering device includes a drive mechanism, a control unit for controlling the drive mechanism, a camera for capturing an image of a detection line. The camera includes an optical system. ... Mitsuba Corporation

Electric motor

An electric motor includes a yoke having a cylindrical section, two pairs of permanent magnets disposed at an inner circumferential surface of the cylindrical section to oppose each other, and an armature rotatably supported further inside in a radial direction than the permanent magnets, wherein at least a pair of first flat sections opposing each other in the radial direction are formed at the cylindrical section, and the permanent magnets are disposed at positions distant from the first flat sections.. . ... Mitsuba Corporation

Actuator and method of manufacturing the same

Since a second reinforcing rib (24e) protruding from a motor accommodating portion (24) to outside is provided to a portion formed with a weld line (wl) formed by the merger of molten resin (mr), the material thickness of the portion formed with the weld line (wl) can be increased. Therefore, the strength of the portion formed with the weld line (wl) is improved, and the strength of a case (21) as a whole can be improved. ... Mitsuba Corporation

01/25/18 / #20180023332

Roller unit and vehicular opening-closing body driving device

A roller unit includes a base bracket (2) that supports a slide door, a cable holder (11) formed integrally with the base bracket (2) and that holds cable ends (112a and 113a) of cables (112 and 113), and a cable guide (40) detachably installed at the cable holder (11) and that guides the cables (112 and 113), wherein the cable guide (40) is formed to separate the cables (112 and 113) from the base bracket (2), and a load applied to the cable guide (40) by tensile forces of the cables (112 and 113) is received by the cable holder (11) and the base bracket (2).. . ... Mitsuba Corporation

01/18/18 / #20180019635

Electric motor for vehicle

An electric motor for vehicle including a stator; a stator support member; a rotation shaft; a rotor including a bottom wall and a peripheral wall, in which the peripheral wall is provided with a magnet and the bottom wall is configured to be combined with the rotation shaft; and a bearing holder including a tube part, and a water drip hole is formed on a vertically lower side of the tube part, the stator support member being provided with a bearing holder insertion part including a boss part into which the tube part is configured to be inserted, wherein a water drain structure configured to drain a water drop from the water drip hole is provided along a circumferential direction of an inner circumferential surface of the boss part in a vertically lower area of the inner circumferential surface of the boss part.. . ... Mitsuba Corporation

01/11/18 / #20180013427

Touch sensor unit

First and second bridging portions (63a and 63b) is disposed so as to form a shock absorbing space (63c) between the sensor accommodating portion (61) and the fixing portion (62), and elastically deformed by external force, and the paired bridging portions (the shock absorbing space (63c)) is caused to function as a shock absorbing portion (63). Furthermore, the sensor accommodating portion (61) is thinner than each pf the bridging portions (63a and 63b), after the sensor accommodating portion (61) is elastically deformed and a contact of a blockage is detected, the first and second bridging portions (63a and 63b) can be elastically deformed to absorb a shock. ... Mitsuba Corporation

12/21/17 / #20170366070

Driving apparatus

In a driving apparatus having a casing 10a in which an electric motor 16 is housed, the driving apparatus further has: a rotating shaft 27 through which a torque of the electric motor 16 is transmitted, the rotating shaft 27 being formed with a worm 40; a worm wheel 41 which is disposed in the casing 10a, the worm wheel 41 having a worm gear 42 which is engaged with the worm 40; a terminal holder 31 which is disposed in the casing 10a, and which supports a terminal carrying a current to be supplied to the electric motor 16; and an air hole 78 which extends so as to penetrate the casing 10a, an inside of the casing 10a and an outside of the casing 10a communicating with each other through the air hole 78, wherein in a plan view perpendicular to an axis c1 serving as a rotation center of the worm wheel 41, the air hole 78 is disposed in an area defined by projection of an area occupied by the terminal holder 31 in a direction along an axis b1, and between the electric motor and an engaging part e1 of the worm 40 with the worm gear 42.. . ... Mitsuba Corporation

12/21/17 / #20170362876

Actuator and vehicle door opening/closing actuator

A vehicle door opening/closing actuator includes a tubular housing, a motor part accommodated in the housing, a feeding apparatus accommodated in the housing and that supplies power to the motor part, and a closed-bottom tubular seal section that has a circumferential wall arranged to be interposed between an inner circumferential surface of the housing and an outer circumferential surface of the feeding apparatus, and that is arranged to cover the feeding apparatus with an entire thereof, wherein a rib extending in a circumferential direction is formed at an inner circumferential surface of the circumferential wall of the seal section, and a concave section that receives the rib is formed at the outer circumferential surface of the feeding apparatus.. . ... Mitsuba Corporation

12/07/17 / #20170353079

Driving apparatus

In a driving apparatus (10) in which a position of a rotating shaft (27) of an electric motor (16) in a direction of an axis (b1) is determined, the driving apparatus (10) has: a stopper (77) which determines a position of the rotating shaft (27) in the direction of the axis (b1), and a terminal holder (31) which holds a first terminal for supplying an electric current to the electric motor (16), wherein a layout region of the stopper (77) in the direction of the axis (b1) and a layout region of the terminal holder (31) in the direction of the axis (b1) are overlapped with each other.. . ... Mitsuba Corporation

12/07/17 / #20170348883

Device for producing injection molded body and method of producing the same

The present invention addresses the problem of manufacturing first and second members with different materials when molding injection molding body one after another using first to third molds disposed at 120 degrees from each other on a turntable that performs reciprocating motion at 120 degrees and using fourth to sixth molds provided opposite to the first to third molds, respectively. According to the solution, first to third injection devices are disposed on the sides of fourth to sixth molds, respectively, the first injection device is caused to perform primary injection to mold a first member, and the second and third injection devices are caused to perform primary injection to mold a second member and secondary injection to integrate the first and second members with each other, whereby the first and second members can be manufactured with different materials one after another.. ... Mitsuba Corporation

11/30/17 / #20170342762

Touch sensor unit

In a touch sensor unit, a bracket body is provided with a first protruding portion which is disposed on a vehicle interior side of a base portion, a gap portion is provided between the first protruding portion and the base portion, the height from the bracket body to the distal end of the first protruding portion is smaller than the height from the bracket body to the sensor portion. Therefore, when the sensor portion and the base portion are elastically deformed by contact with a blockage, the elastically deformed sensor portion and base portion enter the gap portion, thereby preventing the sensor portion and the base portion from being pressed against the corner portion of the bracket without increasing the rigidity of the sensor portion and the base portion.. ... Mitsuba Corporation

11/16/17 / #20170328112

Touch sensor unit and method of manufacturing the same

In a touch sensor unit, since a base portion is provided with a hard resin portion for holding a curved state of a sensor portion deformed in conformity to a curved shape of a door frame of a tail gate, even when the base portion is not fixed to the tail gate, it is possible to hold the curved state of the base portion. Therefore, after the curved base portion is fixed to the tail gate with a double-sided adhesive tape, even if the double-sided adhesive tape is degraded with age, a restoring force of the sensor portion does not remove the double-sided adhesive tape.. ... Mitsuba Corporation

11/09/17 / #20170325341

Controller and manufacturing method thereof

A controller (1) includes a primary molded portion (11) in which a resin molded body (10) is integrated with a bus bar (100) using a resin, causing one end of the bus bar (100) to function as a connector terminal which protrudes into connector portions (13) to (15), and configured to form electronic component disposition portions (16a) to (16d) in which an electronic component (40) is disposed and a power device disposition portion (17) in which a power device (50) is disposed, and a secondary molded portion (21) integrated with the electronic component (40), the power device (50), and the primary molded portion (11) in a state in which the electronic component (40) is disposed at the electronic component disposition portions (16a) to (16d) and the power device (50) is disposed at the power device disposition portion (17).. . ... Mitsuba Corporation

11/09/17 / #20170324357

Brushless motor and wiper apparatus

A brushless motor comprises: a stator 21 having armature coils 21a, 21b, and 21c; a rotor 22 which is rotated by a revolving magnetic field; and a switching element 30a, wherein the brushless motor has a rotation number control unit 33 which switches between low-speed and high-speed mode, wherein in the low-speed mode, the rotation number control unit 33 supplies current to the armature coils 21a, 21b, and 21c at predetermined energization timing and controls a duty ratio to control the rotation number of the rotor 22, and in the high-speed mode, the rotation number control unit 33 supplies current to the armature coils 21a, 21b, and 21c at energization timing advanced from the energization timing for the low-speed mode, thereby performing field weakening control of weakening the revolving magnetic field from that of the low-speed mode to control the rotation number of the rotor 22.. . ... Mitsuba Corporation

10/26/17 / #20170310067

Insert molded product and insert molded product production method

A plurality of terminals are connected via a connection part in advance, the connection part is a cut part formed by cutting, after the plurality of terminals are set in a mold, the connection part using a slide core of the mold, and in this state, the plurality of terminals are buried in a connector housing.. . ... Mitsuba Corporation

10/05/17 / #20170288517

Brushless motor

A brushless motor including a toothed part with a tooth main body and a tip part. Protruding slant parts are formed on both sides of the tooth tip part. ... Mitsuba Corporation

09/21/17 / #20170268271

Roller apparatus

An object of the present invention is to enhance stiffness of a cable end without increasing the size of the cable end. A first retaining protrusion (35b) is provided on the tip side of a second roller pin (35) so as to protrude from the second roller pin (35) in a radially outward direction of the second roller pin (35), a cable end (40) is formed with an insertion hole (43) including an arc-shaped second inner wall (43b), the first retaining protrusion (35b) being allowed to pass through the insertion hole (43). ... Mitsuba Corporation

08/10/17 / #20170225659

Wiper control apparatus

When an ecu 41 for wiper motor detects that a sp operation has been carried out in the midst of swinging motion of a wiper blade, the ecu 41 for wiper motor outputs a motor stopping signal to an ecu 42 for washer pump. When the ecu 42 for washer pump receives the motor stopping signal, the ecu 42 for washer pump stops a washer pump 30 even if an injection switch for jetting out washer fluid is on. ... Mitsuba Corporation

08/03/17 / #20170222581

Brushless motor and wiper apparatus

A brushless motor comprises: a stator 21 having armature coils 21a, 21b, and 21c; a rotor 22 which is rotated by a revolving magnetic field; and a switching element 30a, wherein the brushless motor has a rotation number control unit 33 which switches between low-speed and high-speed mode, wherein in the low-speed mode, the rotation number control unit 33 supplies current to the armature coils 21a, 21b, and 21c at predetermined energization timing and controls a duty ratio to control the rotation number of the rotor 22, and in the high-speed mode, the rotation number control unit 33 supplies current to the armature coils 21a, 21b, and 21c at energization timing advanced from the energization timing for the low-speed mode, thereby performing field weakening control of weakening the revolving magnetic field from that of the low-speed mode to control the rotation number of the rotor 22.. . ... Mitsuba Corporation

07/20/17 / #20170207686

Motor apparatus having improved connector unit

A motor apparatus provided with a connector unit (40) to which an external connector is connected, wherein the connector unit (40) has a plurality of conductive members (64, 65, 66) arranged over a base portion (50) and a connector connecting portion (70) provided with a plug-in hole in which the external connector is plugged, wherein the conductive members (64, 65, 66) respectively include connector-side connecting portions (64a, 65a, 66a) connected to the external connector so as to face the connector connecting portion (70) from a first direction reversed to a plug-in direction of the external connector to the plug-in hole and base-side connecting portions (64b, 65b, 66b) connected to terminals or wirings provided in the base portion (50), wherein the connector-side connecting portions (64a, 65a, 66a) are respectively inserted into a plurality of insertion holes (74, 75, 76) provided at positions different from each other in a second direction intersecting the first direction, and wherein the base-side connecting portions (64b, 65b, 66b) are respectively arranged at the same position in the second direction.. . ... Mitsuba Corporation

07/20/17 / #20170207684

Brushless wiper motor

A motor case part (30) having a stator (36) and a gear case part (50) having a reduction mechanism (sd) are integrally formed of the same material. In this manner, heat is directly dissipated from the motor case part (30) to the outside without the gear case part (30). ... Mitsuba Corporation

07/20/17 / #20170207679

Brushless wiper motor

In a brushless wiper motor, a rotor (33) is rotatably provided inside a stator (32) provided with a coil (32b), one end side of a rotation shaft (34) in the axial direction is fixed to the axial center of the rotor (33), a worm (35) is provided on the other end side of the rotation shaft (34) in the axial direction, the first and second bearings (36, 37) are respectively provided on one end side of the rotation shaft (34) in the axial direction and the other end side of the rotation shaft (34) in the axial direction than the worm (35) of the rotation shaft (34), the rotation shaft (34) is rotatably supported by only the first and second bearings (36, 37), and with the position of the first bearing (36) being defined as a reference position, a length thereof in the axial direction to the second bearing (37) is longer than a length thereof in the axial direction to the rotor (33). Since a commutator and other parts are not provided on a free end side of the rotation shaft (34), it is possible to provide a brushless wiper motor reduced in length of the rotation shaft (34), and reduced in inertial mass of the free end side of the rotation shaft (34).. ... Mitsuba Corporation

07/20/17 / #20170203722

Brushless wiper motor and method for assembling the same

A gear side feeding terminal (73u, 73v, 73w) connected to a motor side feeding terminal (36u, 36v, 36w) provided to the end portion of a stator (32) in the axial direction of the stator (32) from the axial direction of a rotor (38) is provided on a control board (70) for controlling the rotor (38), housed in a gear case (61) so as to be stacked on a speed reduction mechanism (sd) from the direction crossing the axial direction of the rotor (38). In this manner, the wiper motor is composed of a brushless wiper motor (20), and it is unnecessary to provide the gear side feeding terminal (73u, 73v, 73w) so as to avoid the control board (70). ... Mitsuba Corporation

06/08/17 / #20170158172

Wiper apparatus

When the number of times of vehicle speed detections reaches a prescribed times “n”, a dr-side wiper blade is moved in such a way that when the front end side of a lip reaches a lower-side stop position aps1, the dr-side wiper blade is temporarily moved to a lower limit position for stop epsl, then moved to an upper-side stop position aps2 and stopped there, and in such a way that when the front end side of the lip reaches an upper-side stop position aps2, the dr-side wiper blade is moved temporarily to an upper limit position for stop epsu, then moved to the lower-side stop position aps1 and stopped there.. . ... Mitsuba Corporation

04/27/17 / #20170117832

Motor control device

A motor control device to control rotation of an electric motor configured to conduct opening/closing of an opening/closing body provided in a vehicle includes a control unit configured to generate a regenerating brake force to the electric motor until a predetermined time passes, in a case where it is determined that the opening/closing body reaches a full open position.. . ... Mitsuba Corporation

04/27/17 / #20170113655

Wiper system control method and wiper system control device

A wiper system according to the present invention includes wiper blades (2a, 2b) that perform a reciprocating wiping operation on a windshield (3), and a raindrop sensor (9) that detects the current amount of rainfall based on water droplets adhering to the windshield (3). If rainfall more than or equal to a predetermined amount is detected by the raindrop sensor (9), a heavy rain mode in which a wiping range of the wiper blades (2a, 2b) is made narrower than in a normal wiping operation is carried out. ... Mitsuba Corporation

04/20/17 / #20170106837

Wiper system control method and wiper system

A wiper system 1 has a wiper blade 5 for performing a reciprocating wiping operation on a windshield glass 6 and a brushless motor 2 for causing the wiper blade 5 to perform the reciprocating wiping operation. The motor used as the brushless motor 2 is provided with a rotary shaft for reciprocating the wiper blade 5, has a degree of operation freedom in three axial directions, and is rotatable about axes of two directions orthogonal to the rotary shaft. ... Mitsuba Corporation

04/13/17 / #20170104395

Electric motor

An electric motor includes: brushes (31) that are brought into sliding contact with a commutator of an armature that is fixed to a rotation shaft and feeds electric power; a brush holder stay (33) that supports the brushes (31) via brush holders (41); noise prevention elements (110) that are electrically connected to the brushes (31); and terminals (130) and jump wires (141) that electrically connect between the brush holders (41) and the noise prevention elements (110), wherein first connection portions, which connect between the noise prevention elements (110) and the terminals (130), and second connection portions, which connect between the terminals (130) and the jump wires (141), are both disposed only on a first surface (s1) of the brush holder stay (33).. . ... Mitsuba Corporation

02/16/17 / #20170047817

Wiper motor

A wiper motor has: a magnet disposed on the yoke and formed with at least four poles; an armature disposed on an inner side of the magnet; a speed reduction mechanism unit having an output shaft for transmitting the rotation of the armature shaft; a gear housing connected to the yoke; a gear housing cover covering an opening of the gear housing; a magnet attached to the output shaft of the speed reduction mechanism unit; an absolute position detecting sensor disposed so as to face the magnet; and a control board having the absolute position detecting sensor attached thereto, the control board being disposed between the gear housing and the gear housing cover, and configured to control the rotation of the armature shaft.. . ... Mitsuba Corporation








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