110 patents
Utility
Electromagnetic valve
31 Oct 23
An electromagnetic valve includes: a solenoid having a plunger movably supported along an axis O1 direction; a flow path member having a fluid passage flow path and a valve element housing portion; and a valve element in a columnar shape that is disposed in the valve element housing portion, is movable along the axis O1 direction together with the plunger, and can switch between an open state and a closed state.
Kenta Kuramochi, Satoshi Yabushita, Tomohiko Nakanishi, Hiroki Shimizu, Luong Cao Dai
Filed: 21 Mar 22
Utility
Motor control device and electric pump device
5 Sep 23
One aspect of a motor control device according to the present invention is a motor control device that controls a motor of an electric pump.
Yasuhiro Shirai
Filed: 16 Jun 22
Utility
Electromagnetic valve
18 Jul 23
To provide an electromagnetic valve that can prevent damage due to wear of a valve element and a case of a solenoid, or occurrence of a striking sound when a valve is opened.
Tomohiko Nakanishi, Hiroki Shimizu
Filed: 24 Dec 21
Utility
Motor driving device and electric oil pump device
18 Jul 23
A motor driving device for driving a motor is provided.
Yoshiyuki Kobayashi, Yasuhiro Shirai, Tadayuki Hatsuda
Filed: 11 Sep 20
Utility
Electronic board, in-vehicle electric motor and electric pump
11 Jul 23
An electronic board includes a board, and includes on the board: a power input part inputting power output from an in-vehicle power supply; a drive circuit driving a drive source; a controller controlling driving of the drive source performed by the drive circuit; and a drive command signal input part inputting a drive command signal transmitted from outside.
Yusaku Seki
Filed: 19 Aug 20
Utility
Actuator and actuator device
16 May 23
An actuator includes a control part, a first rotation sensor, and a second rotation sensor able to detect rotation of an output shaft.
Kazuhiro Saito, Seiji Hashimoto, Agato Ueno
Filed: 16 Feb 20
Utility
Electromagnetic valve
14 Mar 23
To provide an electromagnetic valve capable of preventing damage due to stress of a buffer member.
Tomohiko Nakanishi, Hiroki Shimizu
Filed: 18 Mar 22
Utility
Electromagnetic valve
17 Jan 23
An electromagnetic valve includes: a solenoid having a plunger movably supported along an axial direction; a flow path member having a fluid passage flow path and a valve element housing portion; and a valve element disposed in the valve element housing portion and movable along the axial direction together with the plunger.
Tomohiko Nakanishi, Junichi Sakashita
Filed: 28 Sep 21
Utility
Electric pump
27 Dec 22
An electric pump provided with a pump unit configured to discharge working oil by being rotationally driven by an electric motor includes: a drive shaft configured to transmit rotational driving force from the electric motor to a rotor of the pump unit; a rotation-detection shaft provided coaxially with the drive shaft, the rotation-detection shaft being configured to be rotated together with the rotor; and a rotation detector unit configured to detect rotation of the rotation-detection shaft.
Kohei Kubo, Tomoyuki Fujita, Koichiro Akatsuka, Yoshiyuki Maki, Koji Higuchi, Yutaka Hashimoto
Filed: 29 Oct 19
Utility
Electric oil pump
27 Dec 22
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
Electric oil pump
20 Dec 22
A board surface of a control board is disposed on an outward side of a motor in a radial direction in a posture along an axial direction.
Shigehiro Kataoka, Yoshiyuki Kobayashi
Filed: 14 Feb 20
Utility
Electric actuator
6 Dec 22
An electric actuator includes a motor, a speed reduction mechanism, and a bearing fixed to a motor shaft having an eccentric axis portion.
Hiroshi Shirai, Tomoki Sato
Filed: 6 Jun 21
Utility
Electric actuator including seal member in lid groove
6 Dec 22
An electric actuator includes a motor which has a rotor having a motor shaft extending along a central axis and a stator facing the rotor in a radial direction, a motor case for housing the motor, and a deceleration mechanism coupled to one axial side of the motor shaft.
Shuichi Kinjo, Hiroshi Shirai, Yutaka Uematsu
Filed: 21 Jan 20
Utility
Electric oil pump
29 Nov 22
An electric oil pump includes a motor part having a shaft; a pump part that is positioned on one side of the motor part and is driven by the motor part via the shaft and discharges oil; and a control part configured to control an operation of the motor part, wherein the motor part includes a rotor, a stator disposed to face the rotor, and a motor housing, wherein the pump part includes a pump rotor and a pump housing having a housing part, wherein the control part includes a plurality of electronic components and a board, the plurality of electronic components include a heat generating component, wherein the motor housing has a cylindrical part and a plurality of heat dissipating fins that extend from the cylindrical part, wherein the board has a first surface and a second surface, and the heat generating component is mounted on the second surface.
Shigehiro Kataoka, Yoshiyuki Kobayashi
Filed: 12 Dec 18
Utility
Motor assembly
1 Nov 22
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: 17 Oct 19
Utility
Electromagnetic valve
25 Oct 22
Provided is an electromagnetic valve capable of preventing damage due to wear while preventing an increase in weight of a valve element.
Tomohiko Nakanishi, Takashi Takai
Filed: 28 Sep 21
Utility
Electric pump device and attachment structure of electric pump device
4 Oct 22
An electric pump device includes a motor having a rotor and a stator portions, a pump portion and a housing.
Hitoshi Sakamoto, Koji Higuchi, Kunihiro Kajita, Tomokazu Ikeda
Filed: 10 Mar 20
Utility
Motor assembly including inverter case and wiring harness
30 Aug 22
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: 17 Oct 19
Utility
Electromagnetic valve and valve device
16 Aug 22
An electromagnetic valve includes a mover that is able to move in a predetermined direction.
Tomohiko Nakanishi, Yuji Takada, Hiroki Shimizu, Naoki Tamura
Filed: 28 Mar 21
Utility
Electric actuator
9 Aug 22
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: 22 Aug 18