252 patents
Page 5 of 13
Utility
Electric actuator
28 Sep 21
An electric actuator includes a motor including a rotor having a motor shaft extending along a central axis and a stator, a deceleration mechanism connected to the motor shaft, an output shaft, a first bearing, a second bearing, and a deceleration mechanism case.
Shuichi Kinjo, Hiroshi Shirai, Yutaka Uematsu
Filed: 8 Jan 20
Utility
Pump Device
9 Sep 21
A pump device includes a shaft , a motor unit that rotates the shaft, and a pump driven by the motor via the shaft and discharges oil.
Kazuhiro HOMMA, Yosuke ITO
Filed: 25 Sep 17
Utility
Electric pump device
17 Aug 21
A motor, an inverter substrate electrically connected to the motor, a housing accommodating the motor and the inverter substrate, and a pump section driven by the motor are included.
Yoshiyuki Kobayashi, Tatsuo Abe, Hitoshi Sakamoto
Filed: 25 Sep 19
Utility
Solenoid device
20 Jul 21
A solenoid device includes a yoke, a core, a shaft, a bobbin, a coil, a plunger, a lid, and a housing.
Kenta Kuramochi, Weiming Chen, Tomohiro Yasuda
Filed: 14 Jun 19
Utility
Electric oil pump
20 Jul 21
An electric oil pump includes a motor unit having a shaft centered on a central axis that extends in an axial direction of the shaft and a pump unit which is disposed on a front side of the motor unit, is driven by the motor unit, and discharges oil.
Shigehiro Kataoka, Yoshiyuki Kobayashi, Noriyuki Ikeda
Filed: 30 Jul 18
Utility
Electric pump device
20 Jul 21
An inverter substrate has a plurality of heat generating elements mounted thereon and disposed at intervals from each other.
Yoshiyuki Kobayashi, Hitoshi Sakamoto, Tomohiro Sakata, Chisato Sekiguchi, Hirotaka Kanamono
Filed: 24 Sep 19
Utility
Pressure control device
20 Jul 21
A pressure control device reliably preventing foreign matter from flowing beyond a filter unit to the downstream side.
Takeshi Nakano, Yoshinori Yamaki, Tomohiro Yasuda, Weiming Chen, Kenta Kuramochi
Filed: 12 Aug 19
Utility
Clutch control device
13 Jul 21
The clutch control device comprises: a pump that feeds oil to a hydraulic clutch; a control part that controls the pump; an input-side oil channel through which oil suctioned into the pump from an oil tank passes; an output-side oil channel connecting the pump and the hydraulic clutch; a pressure sensor; a connecting oil channel connected to the input-side oil channel and the output-side oil channel; and a solenoid valve that interrupts or allows the flow of oil in the connecting oil channel.
Takamitsu Eto, Fumiya Sagara
Filed: 2 Aug 17
Utility
Solenoid valve
13 Jul 21
A solenoid valve includes a solenoid including a guide, a mover that moves in an axial direction radially inside the guide, a yoke made of a magnetic material and disposed on one axial side of the mover, a magnet on one axial side of the yoke, an elastic body that applies an elastic force to the mover in the direction away from the magnet, a cover made of a magnetic material, a pin which moves as the mover moves, and a valve that is opened and closed as the mover and the pin move.
Daisuke Murata
Filed: 2 Feb 18
Utility
Control device of motor and storage medium
13 Jul 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
Pump Device
8 Jul 21
The pump device includes a motor portion that includes a shaft rotating about a central axis and a pump portion that is driven by a motor portion via the shaft.
Takamitsu ETO, Yoshiyuki KOBAYASHI, Koji HIGUCHI, Yutaka HASHIMOTO
Filed: 12 Mar 18
Utility
Recirculation valve
6 Jul 21
A recirculation valve includes a first supported portion that closes a first opening when a valve body biased by a biasing member is moved to one side in the axial direction, the first supported portion opens the first opening when the valve body moves to the other side in the axial direction against a biasing force of the biasing member due to a negative pressure on a downstream side with respect to that on an upstream side, the valve body includes a first hole extending from an end portion on the other side in the axial direction to one side in the axial direction, and a valve body barrel portion includes a second hole that extends from a radially outward side thereof and reaches the first hole.
Tomohiko Nakanishi
Filed: 14 Feb 20
Utility
Clutch Control Device
1 Jul 21
The clutch control device comprises: a pump that feeds oil to a hydraulic clutch; a control part that controls the pump; an input-side oil channel through which oil suctioned into the pump from an oil tank passes; an output-side oil channel connecting the pump and the hydraulic clutch; a pressure sensor; a connecting oil channel connected to the input-side oil channel and the output-side oil channel; and a solenoid valve that interrupts or allows the flow of oil in the connecting oil channel.
Takamitsu ETO, Fumiya SAGARA
Filed: 2 Aug 17
Utility
Motor Driving Control Substrate and Motor-driven Oil Pump
1 Jul 21
A control substrate capable of effectively reducing noise input to a plurality of MOSFETs is provided.
Yusaku SEKI
Filed: 14 Dec 20
Utility
Reflux valve
15 Jun 21
A reflux valve includes a first supported portion that plugs a first opening when a valve body biased by a biasing member moves to one side in an axial direction, the first supported portion opens the first opening when the valve body moves to the other side in the axial direction against a biasing force of the biasing member due to negative pressure applied to a downstream side relative to an upstream side, the valve body includes a first hole extending from an end on the other side in the axial direction to one side in the axial direction, a valve body portion includes a second hole extending from an outer side in a radial direction and reaching the first hole, and the valve body portion includes a third hole at a different position from the second hole in the axial direction.
Tomohiko Nakanishi
Filed: 30 Jan 20
Utility
Pressure detection apparatus and electric hydraulic pump that houses pressure detection apparatus
15 Jun 21
A pressure detection apparatus includes a base plate including a first surface, a second surface, and an opening, a pressure sensor disposed on the first surface so as to cover the opening of the base plate and outputting an electric signal according to a pressure of measured fluid inside the opening, a lead terminal electrically connected to the pressure sensor, a housing holding the base plate and the lead terminal and including an exposed portion in which a portion of the lead terminal is exposed, and a capacitor protecting the pressure sensor.
Yoshiyuki Kobayashi, Shigehiro Kataoka, Yoshihiro Kamimura
Filed: 24 May 17
Utility
Pressure sensor attachment structure
15 Jun 21
A sensor attachment structure of an oil pressure sensor suitable for use as a control valve of an automobile transmission includes a sensor case inserted into an accommodation space 4 of a valve upper-body portion such that a body portion of the sensor case is capable of rotating about a vertical central axis.
Tomoka Osawa, Hironobu Wakabayashi, Toshiaki Nakamura, Hiroshi Tatsuta
Filed: 13 Sep 19
Utility
Electric actuator
8 Jun 21
An electric actuator includes a motor, a speed reduction mechanism, a first bearing, and a bearing holder.
Hiroshi Shirai, Shuichi Kinjo, Tomoki Sato
Filed: 25 Sep 19
Utility
Motor control device
8 Jun 21
A motor control device includes a first control unit performing feedback control on a motor with a command value; one or plural second control units performing feedback control on the motor with a limit value; a control switching unit selecting, based on a deviation between the limit value and a measured value, one of the first and the one or plural of second control units as control unit.
Kei Sato
Filed: 10 Mar 20
Utility
Pressure control apparatus
8 Jun 21
Provided is a pressure control apparatus in which workability in assembly of a body, a spool valve, a retainer, and an elastic member is improved and a high degree of freedom in a design of installation of the spool valve is obtained.
Takeshi Nakano
Filed: 3 Sep 19