252 patents
Page 6 of 13
Utility
Electric Oil Pump
27 May 21
An electric oil pump includes a motor including a shaft, a pump driven via the shaft, and an inverter assembly located on a rear side of the motor and secured to the motor.
Shigehiro KATAOKA, Yoshiyuki KOBAYASHI
Filed: 16 Aug 18
Utility
Motor
25 May 21
A motor includes a rotor having a shaft centered on a central axis that extends in an axial direction, a stator which is disposed to face the rotor and includes a plurality of coils, a housing in which the rotor and the stator are housed, and a bus bar assembly that is disposed on one side of the shaft in the axial direction, wherein the bus bar assembly includes a plurality of bus bars that are electrically connected to the plurality of coils of the stator and a bus bar holder that holds the plurality of bus bars, and wherein at least one bus bar among the plurality of bus bars is placed on a disposition surface part provided on the bus bar holder and extends in a direction crossing the central axis.
Shigehiro Kataoka, Kazuhiro Homma, Yoshiyuki Kobayashi, Hideaki Uchise, Masato Aono, Akihiro Okita
Filed: 30 Jul 18
Utility
Motor driving unit
18 May 21
Provided is a motor driving unit (1) capable of achieving space saving of a motor room and cost reduction of a vehicle.
Yoshihisa Okuhata
Filed: 24 Sep 19
Utility
Control device of motor and storage medium
27 Apr 21
A control device of a motor includes difference calculation circuitry that calculates a difference between a current rotation speed and a target rotation speed of the motor, coefficient correction circuitry that outputs corrected proportion coefficient and integration coefficient by multiplying each of an initially set proportion coefficient and integration coefficient by a correction coefficient, output voltage determination circuitry that calculates at least one of a proportional term in which the difference is multiplied by the corrected proportion coefficient and an integral term in which the difference is multiplied by the corrected integration coefficient and the result is integrated and determines one of the proportional term and the integral term or the sum of the two terms as a control value of the output voltage, and signal generation circuitry that generates a control signal on the basis of the control value.
Kei Sato
Filed: 24 Aug 18
Utility
Electric actuator
13 Apr 21
An electric actuator includes a first wiring member with a first connection portion exposed to one side in an axial-direction of a first case and a second wiring member with a second connection portion exposed to another side in the axial-direction of a second case, the first and second connection portions each having two opposing portions that respectively oppose in first and second directions with first and second gaps therebetween, the first gap having a narrow portion and a wide portion (larger in the first direction) connected thereto on the other side in the axial-direction, the second gap having a narrow portion and a wide portion (larger in the second direction) connected thereto on the one side in the axial-direction, and the first and second gaps overlapping at least partially when the first and second case are fixed, and the first and second connection portions are electrically connected.
Hiroshi Shirai, Shuichi Kinjo, Yutaka Uematsu, Kenichi Ozawa
Filed: 23 Jul 18
Utility
Control Device for Motor Unit
1 Apr 21
A control device for a motor unit provided in a vehicle is disclosed.
Masaya Furushou, Yasuhiro SHIRAI
Filed: 11 Sep 20
Utility
Control Device of Electric Oil Pump and Electric Oil Pump
1 Apr 21
A control device is provided for controlling a rotation speed of an electric oil pump, including a motor and a pump mechanism connected to the motor, based on a command value input from a host device.
Yasuhiro SHIRAI, Koji HIGUCHI
Filed: 16 Sep 20
Utility
Electromagnetic Valve
1 Apr 21
An electromagnetic valve includes a solenoid having a plunger; a flow path member having a first flow path, a second flow path, a relay flow path, and a valve body housing; a valve body movably disposed in the valve body housing and has a valve part in a ring shape which opens and closes the relay flow path; and a spring disposed in the valve body housing and urging the valve body along the axial direction, wherein the valve body further includes a guide part guided on an inner wall surface of the valve body housing when the valve body moves together with the plunger and a small diameter part provided between the guide part and the valve part, wherein the small diameter part faces the first flow path.
Tomohiko NAKANISHI, Takashi TAKAI
Filed: 10 Sep 20
Utility
Electromagnetic Valve
1 Apr 21
An electromagnetic valve includes a solenoid having a bobbin, a plunger and a coil; a flow path member having a first flow path, a second flow path, a relay flow path and a valve body housing; a valve body movably disposed in the valve body housing; and a spring disposed in the valve body housing and urging the valve body, wherein the valve body further includes a plurality of guide parts which are provided at different positions along the axial direction and which are guided on an inner wall surface of the valve body housing, and a taper part which is provided between the plurality of guide parts and whose outer diameter decreases toward the one side in the axial direction.
Tomohiko NAKANISHI, Dongming CHEN, Satoshi YABUSHITA
Filed: 11 Sep 20
Utility
Electromagnetic Valve
1 Apr 21
An electromagnetic valve includes: a solenoid, including a bobbin, a plunger, and a coil that moves the plunger; and a valve mechanism, including a flow path member that includes a first flow path, a second flow path, a relay part and a valve body housing, and a valve body that is inserted into the valve body housing, movably supported along an axial direction together with the plunger, and switches between passage and blockage between the first and the second flow paths.
Tomohiko NAKANISHI, Takashi TAKAI
Filed: 11 Sep 20
Utility
Electromagnetic Valve
1 Apr 21
An electromagnetic valve includes a solenoid having a plunger; a flow path member including a fluid passage flow path having a first flow path, a second flow path, and a relay flow path which is disposed between the first flow path and the second flow path and which connects the first flow path and the second flow path, and a cylindrical space; a valve body movably disposed in the cylindrical space; and a spring which is disposed concentrically with the valve body on an outer peripheral side of the valve body in the cylindrical space and urges the valve body.
Tomohiko NAKANISHI, Dongming CHEN, Satoshi YABUSHITA
Filed: 16 Sep 20
Utility
Electromagnetic Valve
1 Apr 21
An electromagnetic valve includes a solenoid and a valve mechanism.
Tomohiko NAKANISHI, Takashi TAKAI
Filed: 7 Sep 20
Utility
Control Device of Motor and Storage Medium
1 Apr 21
A signal generator generates a control signal that causes an inverter to supply a drive current in an AC voltage waveform to each phase of a motor.
Kei SATO
Filed: 24 Aug 18
Utility
Motor Driving Device and Electric Oil Pump Device
1 Apr 21
A motor driving device for driving a motor is provided.
Yoshiyuki KOBAYASHI, Yasuhiro SHIRAI, Tadayuki HATSUDA
Filed: 11 Sep 20
Utility
Electric oil pump apparatus and base plate for electric oil pump
30 Mar 21
An electric oil pump apparatus includes an electric oil pump including a housing main body that accommodates a motor and a pump driven by the motor, a flange portion formed on the housing main body, and a control circuit case for accommodating a control circuit, and a base plate attached to the electric oil pump.
Shigehiro Kataoka, Yoshiyuki Kobayashi, Koji Higuchi
Filed: 15 Mar 18
Utility
Clutch control device
30 Mar 21
A clutch control device includes a pump to feed oil to a hydraulic clutch, an input side oil passage connecting an oil tank and the pump and through which oil sucked from the oil tank to the pump passes, and an output side oil passage connecting the pump and the hydraulic clutch and through which oil that is pressurized by the pump and is fed from the pump to the hydraulic clutch passes.
Takamitsu Eto, Fumiya Sagara
Filed: 21 Jun 17
Utility
Circuit Substrate and Electric Oil Pump
25 Mar 21
A control substrate includes: a reverse connection protection circuit; a first substrate wiring connected with a source terminal of a MOSFET of the reverse connection protection circuit; a second substrate wiring connected with a GND terminal; a bypass circuit, allowing, in a case where an output voltage of a vehicle-mounted battery is equal to or greater than a predetermined value, a current to flow from the first substrate wiring to the second substrate wiring; and a clamp circuit, connected with a positive electrode terminal and a GND terminal on an upstream side with respect to the MOSFET and clamps a positive voltage to a second predetermined value.
Yusaku SEKI
Filed: 11 Sep 20
Utility
Electric Actuator
18 Mar 21
An electric actuator includes: a motor part including a motor shaft extending in an axial direction; a deceleration mechanism connected to one axial side of the motor shaft; an output part including an output shaft to which rotation of the motor shaft is transmitted via the deceleration mechanism; and a housing accommodating the motor part, the deceleration mechanism, and the output part.
Shun KATO
Filed: 7 Sep 20
Utility
Pressure sensor device and electric pump
16 Mar 21
A pressure sensor device includes a pressure sensor, a sensor case, first and second terminals protruding from the pressure sensor in a first direction, a third terminal protruding from the pressure sensor in a second direction, a fourth terminal protruding from the pressure sensor in the second direction, a first capacitor on one side of the pressure sensor, a second capacitor on the other side of the pressure sensor, a first lead line extending out of the sensor case from the first terminal, a second lead line extending out of the sensor case from the second terminal, and a third lead line extending out of the sensor case from a side edge between the first terminal and the second terminal.
Yoshiyuki Kobayashi, Shigehiro Kataoka
Filed: 24 Jul 17
Utility
Pressure sensor device and electrically powered pump
16 Mar 21
A sensor case of pressure sensor device includes a sensor housing portion, a first terminal housing portion that extends from the sensor housing portion in a first direction, and a second terminal housing portion that extends from the sensor housing portion in a second direction.
Yoshihiro Kamimura, Yoshiyuki Kobayashi, Shigehiro Kataoka
Filed: 25 Jul 17