252 patents
Design
Electric oil pump
21 Nov 23
Yuzo Nagai, Shigehiro Kataoka, Yoshiyuki Kobayashi
Filed: 14 Mar 21
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
Electric Actuator
23 Feb 23
An electric actuator includes a motor, an output shaft, a detent plate, an elastic portion including a contacted portion, a first rotation sensor, a second rotation sensor, and a controller.
Takamitsu SUZUKI, Kei SATO, Masaya FURUSHOU
Filed: 22 Aug 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
Pump
12 Jan 23
One aspect of a pump of the present invention includes a rotor rotatable about a central axis, a stator assembly located radially outside the rotor and surrounding the rotor, a pump unit connected to a first side in an axial direction of the rotor, a support member including a rotor accommodating portion, the rotor accommodating portion being located radially inside the stator assembly and accommodates the rotor therein, and a resin housing in which the stator assembly and the support member are molded.
Yoshiyuki SHIZUKU, Shigehiro KATAOKA, Takanobu YAHATA, Thao LETHITHANH, Nguyen Thi Thanh TAM
Filed: 6 Jul 22
Utility
Electromagnetic Valve Module
5 Jan 23
Improvement of maintainability in a device on which a solenoid valve is mounted.
Saori NUIYA, Sho TANABE
Filed: 20 Jun 22
Design
Electric oil pump
3 Jan 23
Yoshiyuki Kobayashi, Shigehiro Kataoka, Yuzo Nagai
Filed: 14 Mar 21
Utility
Solenoid Valve
29 Dec 22
In solenoid valve provided with: a valve case that has an annular collar expanding in a radial direction of an opening, which is opened at an axial end surface, and accommodates a valve body inside; and an annular seal member mounted in an annular recessed groove provided on one axial end surface of the collar of the valve case, the collar includes a through-hole penetrating the collar in an axial direction, and a connecting portion connecting the through-hole and the annular recessed groove, the through-hole has a reduced diameter portion, and the seal member includes an annular portion mounted in the annular recessed groove and a protruding portion protruding at least in the axial direction with respect to the annular portion and penetrating the through-hole, the protruding portion including an enlarged diameter portion having an outer diameter ωD1 (>ωd2) larger than an inner diameter ωd2 of the reduced diameter portion of the through-hole.
Hiroki SHIMIZU, Tomohiko NAKANISHI
Filed: 20 Jun 22
Utility
Motor Control Device and Electric Pump Device
29 Dec 22
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
Electric Pump
29 Dec 22
An electric pump includes a motor including a rotor rotatable about an axis extending in an axial direction and a stator, a circuit board on a first side in the axial direction of the motor, a pump mechanism connected to the rotor on a second side in the axial direction of the motor, a housing with a housing space for the motor, the pump mechanism, and the circuit board, and a seal member.
Tomohiro SAKATA, Shigehiro KATAOKA
Filed: 24 Jun 22
Utility
Electric Pump
29 Dec 22
An electric pump includes a motor including a rotor rotatable about an axis extending in an axial direction and a stator with a coil wire, a pump connected to the rotor, a circuit board on a first side in the axial direction of the motor, and a coil guide between the motor and the circuit board.
Tomohiro SAKATA, Shigehiro KATAOKA
Filed: 24 Jun 22
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