252 patents
Page 10 of 13
Utility
Motor control device
27 Jul 20
A control unit calculates necessary power necessary to drive a motor in accordance with a torque designation value and a rotational speed of a motor, sets a voltage value to a predetermined voltage value, changes a current value in accordance with the necessary power, and drive the motor in a case in which the calculated necessary power is less than a predetermined threshold value, and sets the current value to a predetermined current value, changes the voltage value in accordance with the necessary power, and drives the motor in a case in which the calculated necessary power is equal to or greater than the predetermined threshold value.
Yoshihisa Okuhata, Tadayuki Hatsuda
Filed: 25 Dec 18
Utility
Pump Device
22 Jul 20
A pump device includes a motor including a shaft along a central axis, a pump on one side of the motor in an axial direction and driven by the motor via the shaft to discharge oil, and an inverter circuit to drive the pump.
Shigehiro KATAOKA, Yoshiyuki KOBAYASHI
Filed: 22 Feb 18
Utility
Electric Oil Pump
22 Jul 20
An electric oil pump includes a motor including a shaft, a pump driven with the shaft therebetween, and an inverter fixed to a rear side of the motor.
Shigehiro KATAOKA, Yoshiyuki KOBAYASHI
Filed: 15 Aug 18
Utility
Circuit Board Assembly and Electric Oil Pump Provided with Same
22 Jul 20
A circuit board assembly includes a circuit board, an inverter housing including a circuit board accommodating portion, and an external terminal connected to the circuit board.
Yoshiyuki KOBAYASHI, Shigehiro KATAOKA
Filed: 15 Aug 18
Utility
Electric actuator
13 Jul 20
An electric actuator includes: a motor unit; a speed reducer; a circuit board; a busbar; and a housing.
Yutaka Uematsu, Shun Kato, Ryunosuke Oikawa, Yuzo Akasaka, Kazumi Shinkai
Filed: 26 Dec 18
Utility
Electric Oil Pump Device
8 Jul 20
A filter module includes an attachment attached to an attachment catch.
Shigehiro KATAOKA, Yoshiyuki KOBAYASHI
Filed: 11 Dec 19
Utility
Hydraulic control device
6 Jul 20
In a hydraulic control device, a first valve device is brought into an open state when a first value obtained by subtracting a value of a pressure in the first output side oil passage from a value of a pressure in the second output side oil passage is equal to or larger than a first threshold value.
Mamoru Murakami, Hiroaki Kosugi, Kunio Kimpara
Filed: 20 Mar 18
Utility
Electric Oil Pump
1 Jul 20
An electric oil pump includes a motor including a shaft, a pump driven via the shaft, and an inverter on a rear side of the motor and fixed to the motor.
Shigehiro KATAOKA, Yoshiyuki KOBAYASHI
Filed: 15 Aug 18
Utility
Electric Actuator
24 Jun 20
An electric actuator includes a motor with a motor shaft extending along a central axis, a speed reducer connected to the motor shaft, an output portion including an output shaft portion, a rotation detector to detect rotation of the output portion, a case, a first bearing to connect the motor shaft to the output portion to be rotatable with respect to each other, and a second bearing to rotatably support the output portion with respect to the case.
Shuichi KINJO, Yutaka UEMATSU
Filed: 21 Aug 18
Utility
Electric actuator
15 Jun 20
There is provided an electric actuator including a motor, a first case having a first opening, a second case having a second opening that opens to the other side in the axial direction, a rotation sensor, and a plurality of bus bars which are electrically connected to a plurality of sensor terminals that extend from the rotation sensor and are held in the second case.
Hiroshi Shirai, Toshiaki Nakamura, Yutaka Uematsu
Filed: 4 Dec 18
Utility
Electric Oil Pump
10 Jun 20
An electric oil pump includes a motor including a shaft, a pump on a front side of the motor and driven by the shaft, and an inverter fixed to a rear side of the motor.
Shigehiro KATAOKA, Yoshiyuki KOBAYASHI
Filed: 15 Aug 18
Utility
Hydraulic Control Apparatus
10 Jun 20
A hydraulic control apparatus includes an output-side oil passage into which oil from a first oil passage and oil from a second oil passage flow, and a pressure regulating check valve regulating a hydraulic pressure in the second oil passage.
Kunio KIMPARA, Masayuki NOJO, Mamoru MURAKAMI, Hiroaki KOSUGI
Filed: 1 Dec 19
Utility
Electric Oil Pump
13 May 20
Provided is an electric oil pump that does not degrade assembly operability and does not require a complicated configuration.
Yoshiyuki KOBAYASHI, Kazuhiro HOMMA, Koji HIGUCHI, Yutaka HASHIMOTO
Filed: 5 Nov 19
Utility
Oil pressure sensor attachment structure
11 May 20
According to one aspect of the present invention, there is provided an oil pressure sensor attachment structure including: the oil path body; the sensor case; and a fixing member which fixes the sensor case to the oil path body.
Tomoka Osawa, Hiroshi Shirai, Toshiaki Nakamura
Filed: 15 Mar 18
Utility
Electric actuator
27 Apr 20
An electric actuator is provided.
Hiroshi Shirai, Toshiaki Nakamura, Yutaka Uematsu
Filed: 4 Dec 18
Utility
Motor Assembly
22 Apr 20
A motor assembly includes a motor, a housing that accommodates the motor, an inverter electrically connected to the motor, an inverter case that accommodates the inverter, an auxiliary device provided in a lower portion of the housing to oppose a road surface, a wire harness that includes a first connector connected to a connector provided in the inverter case, a second connector connected to a connector provided in the auxiliary device, and an electric wire connecting the first connector and the second connector, and a lower connector cover provided in the lower portion of the housing and covering the second connector from a lower side.
Shuhei NAKAMATSU, Keisuke FUKUNAGA, Naohiro WADA, Masumi MIZUTANI
Filed: 16 Oct 19
Utility
Motor Assembly
22 Apr 20
A motor assembly includes a motor, a housing that houses the motor, an inverter that is electrically connected to the motor, an inverter case that houses the inverter and is provided integrally with the housing, a wire harness including a first connector electrically connected to a connector positioned on a side surface of the inverter case, a second connector electrically connected to a connector of the housing, and an electric wire electrically connecting the first connector and the second connector, and a side connector cover provided over the side surface of the inverter case, covering the first connector laterally.
Shuhei NAKAMATSU, Keisuke FUKUNAGA, Naohiro WADA, Masumi MIZUTANI
Filed: 16 Oct 19
Utility
Pressure Sensor Device and Electric Pump
15 Apr 20
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: 23 Jul 17
Utility
Electric Valve Device, Fresh Air Passage Mechanism, and Internal-combustion Engine
1 Apr 20
Provided is an electric valve device which is capable of improving the accuracy of detecting whether there is a gas leakage from a blow-by gas passage and capable of detecting detachment of the electric valve device from a pipe of a fresh air passage.
Dongming CHEN, Tomohiko NAKANISHI
Filed: 19 Sep 19
Utility
Gearbox and Motor Driver
1 Apr 20
The disclosure reduces inconvenience for a driver at the time of operating parking locking, thereby curbing cost reduction and space saving becoming difficult due to additional installation of a drive source for parking locking.
Yoshihisa OKUHATA
Filed: 24 Sep 19