140 patents
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
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
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 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
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 Actuator
20 Oct 22
One aspect of an electric actuator of the present invention includes: a motor having a motor shaft rotatable about a motor axis; a transmission mechanism coupled to one side in the axial direction of the motor shaft; an output shaft extending in the axial direction of the motor shaft and to which rotation of the motor shaft is transmitted via the transmission mechanism; and a rolling member group including three or more rolling members arranged to surround the motor axis.
Hiroshi SHIRAI, Tomoki SATO
Filed: 15 Apr 22
Utility
Electric Pump
6 Oct 22
An electric pump includes: a motor including a shaft; a pump mechanism coupled to an axial one side of the shaft; a circuit substrate located outward in a radial direction orthogonal to the axial direction of the shaft, and a housing capable of accommodating the motor and the circuit substrate.
Yuzo NAGAI, Shigehiro KATAOKA, Yoshiyuki KOBAYASHI
Filed: 29 Mar 22
Utility
Rotary Electric Machine and Pump
6 Oct 22
A rotary electric machine includes a rotor, a stator, a substrate, a bus bar, a housing having a stator housing portion and a substrate housing portion, and a cover member.
Shigehiro KATAOKA, Yoshiyuki KOBAYASHI
Filed: 30 Mar 22
Utility
Rotary Electric Machine and Pump
6 Oct 22
A rotary electric machine includes a rotor, a stator having a coil, a substrate electrically connected to the coil, a bus bar assembly having a bus bar electrically connecting the coil and the substrate, and a housing having a stator housing portion accommodating the stator and a substrate housing portion accommodating the substrate.
Shigehiro KATAOKA, Yoshiyuki KOBAYASHI
Filed: 30 Mar 22
Utility
Electric Pump
29 Sep 22
An electric pump includes a motor unit rotationally driving a drive shaft, and a pump unit.
Nan WU, Tomohiro SAKATA, Nguyen Thi Thanh TAM
Filed: 15 Mar 22
Utility
Electric Pump
29 Sep 22
An electric pump includes a motor unit rotationally driving a drive shaft, and a pump unit.
Nan WU, Nguyen Thi Thanh TAM
Filed: 18 Mar 22
Utility
Electromagnetic Valve
29 Sep 22
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
29 Sep 22
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
Gearbox and Motor Driver
4 Aug 22
A gearbox and a motor driver having the gearbox are provided.
Yoshihisa OKUHATA
Filed: 20 Apr 22
Utility
Electric Pump
28 Jul 22
An aspect of an electric pump of the present invention is an electric pump attached to a predetermined object.
Yoshiyuki KOBAYASHI, Tomohiro SAKATA, Yuzo NAGAI, Hideo NAGAI
Filed: 17 Jan 22
Utility
Blow-by Gas Leak Diagnostic Device
30 Jun 22
A blow-by gas leak diagnostic device includes a first PCV flow path, a second PCV flow path, a fresh air inlet, a pressure measurement unit, a first valve that opens and closes the first PCV flow path, a second valve that opens and closes the second PCV flow path, a third valve that opens and closes the fresh air inlet, a valve control unit, and a leak diagnosis unit.
Chikao KOMAKI, Ryota ITO
Filed: 23 Dec 21
Utility
Electromagnetic Valve
30 Jun 22
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
Electromagnetic Valve
30 Jun 22
To prevent a decrease in operating accuracy of a valve element by scraping off a deposit from the inside of a valve element housing portion and preventing sticking and accumulation of the deposit.
Tomohiko NAKANISHI, Hiroki SHIMIZU
Filed: 24 Dec 21