140 patents
Page 4 of 7
Utility
Electric Oil Pump
30 Sep 20
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: 13 Feb 20
Utility
Electric Pump Device and Attachment Structure of Electric Pump Device
30 Sep 20
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: 9 Mar 20
Utility
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30 Sep 20
An electric oil pump includes a pump part; a motor driving the pump part and having a rotor, a stator, and a motor shaft; a housing housing the motor; a control board including a drive circuit controlling driving of the motor; and a sensor board equipped with a rotation sensor detecting a rotation angle of the rotor of the motor.
Yoshiyuki KOBAYASHI, Shigehiro KATAOKA
Filed: 24 Mar 20
Utility
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30 Sep 20
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: 9 Mar 20
Utility
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30 Sep 20
An electric oil pump includes a control substrate including a reverse connection protection circuit to protect a circuit in the substrate, a first substrate wiring connected to a source terminal of a MOSFET in the reverse connection protection circuit, a second substrate wiring connected to a GND terminal, and a bypass circuit that causes a current to flow from the first substrate wiring to the second substrate wiring in a case in which an output voltage of the external power supply is equal to or greater than a predetermined value that is greater than a rated voltage, in which the predetermined value is a value that is smaller than a withstanding voltage between a gate and the source of the MOSFET.
Yusaku SEKI, Chisato SEKIGUCHI, Junichi TAKAO, Yasuaki KONAGAYA
Filed: 20 Feb 20
Utility
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23 Sep 20
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: 13 Feb 20
Utility
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23 Sep 20
In a recirculation valve, a first support target portion receives a biasing force of a biasing member on a first stepped surface and moves to one side in an axial direction, such that a first opening is blocked.
Tomohiko NAKANISHI
Filed: 10 Mar 20
Utility
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23 Sep 20
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: 29 Jan 20
Utility
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2 Sep 20
A pressure control device includes a body with a groove-shaped flow path including a groove part and a widened part connected to the groove part and having a width larger than a width of the groove part; and a filter member accommodated in the widened part to intercept the groove-shaped flow path and capturing foreign matters mixed in a fluid passing through the groove-shaped flow path.
Masaru MIYAGI
Filed: 10 Feb 20
Utility
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2 Sep 20
A pressure control device includes: a body having a groove-like channel containing a groove part and a widened part; and a filter unit having a cylindrical frame including a through hole part penetrating in a direction orthogonal to a central axis and a plate-shaped filter member disposed to cover the through hole part and supported on an inner side of the frame.
Masaru MIYAGI, Kenji OOHARA
Filed: 15 Feb 20
Utility
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2 Sep 20
A pressure control device includes: a body having groove-like channel containing a groove part and a widened part; a filter unit having a cylindrical frame formed of an elastic material and including a through hole part penetrating in a direction orthogonal to a central axis and a plate-shaped filter member disposed to cover the through hole part and supported on an inner side of the frame.
Masaru MIYAGI, Kenji OOHARA
Filed: 15 Feb 20
Utility
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2 Sep 20
A pressure control device is provided and includes a body which has a groove-shaped flow path including a groove part and a widened part connected to the groove part and having a width larger than a width of the groove part, and a filter unit which captures foreign matters mixed in a fluid which passes through the groove-shaped flow path.
Masaru MIYAGI, Kenichi OZAWA
Filed: 10 Feb 20
Utility
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2 Sep 20
A pressure control device includes a body having a groove-shaped flow path including a groove part and a widened part, and a filter unit capturing foreign matters mixed in a fluid which passes through the groove-shaped flow path; the filter unit having a frame body including a through hole part and a filter member in a planar plate shape disposed with respect to the through hole part, and the filter unit being accommodated in the widened part.
Masaru MIYAGI, Kenichi OZAWA
Filed: 11 Feb 20
Utility
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2 Sep 20
A pressure control device includes a body having a groove-shaped flow path including a groove part and a widened part; a filter unit having a frame body including a through hole part that penetrates in a direction orthogonal to a central axis, a filter member in a planar plate shape disposed on one end side in a direction of an axis of the groove-shaped flow path with respect to the through hole part, and a seal member in a ring shape disposed along an outer-side circumferential edge part of the frame body when viewed from the through hole part; and a plate-shaped member being attached to the body to cover the groove-shaped flow path in a state where the filter unit is accommodated in the widened part.
Masaru MIYAGI
Filed: 11 Feb 20
Utility
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2 Sep 20
A pressure control device includes: a body having a groove-shaped flow path including a groove part and a widened part connected to the groove part and having a width larger than a width of the groove part; and a filter unit accommodated in the widened part to intercept the groove-shaped flow path and capturing foreign matters mixed in a fluid passing through the groove-shaped flow path.
Masaru MIYAGI
Filed: 17 Feb 20
Utility
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5 Aug 20
An electric actuator includes a motor and a deceleration mechanism.
Shuichi KINJO, Hiroshi SHIRAI, Yutaka UEMATSU
Filed: 8 Jan 20
Utility
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5 Aug 20
An electric actuator according to an aspect of the disclosure includes: a motor including a rotor having a motor shaft extending along a central axis and a stator facing the rotor in a radial direction; and a deceleration mechanism which is disposed on a side of the stator in an axial direction and connected to the motor shaft.
Shuichi KINJO, Hiroshi SHIRAI, Yutaka UEMATSU
Filed: 16 Dec 19
Utility
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5 Aug 20
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: 7 Jan 20
Utility
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5 Aug 20
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 bearing, and a deceleration mechanism case.
Shuichi KINJO, Hiroshi SHIRAI, Yutaka UEMATSU
Filed: 12 Jan 20
Utility
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29 Jul 20
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: 20 Jan 20