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Nidec Tosok Inactive USPTO patentsUtility application

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140 patents

Page 3 of 7

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Electromagnetic Valve

An electromagnetic valve includes a solenoid having a bobbin, a plunger and a coil; a flow path member having a first flow path, a second flow path, a relay flow path and a valve body housing; a valve body movably disposed in the valve body housing; and a spring disposed in the valve body housing and urging the valve body, wherein the valve body further includes a plurality of guide parts which are provided at different positions along the axial direction and which are guided on an inner wall surface of the valve body housing, and a taper part which is provided between the plurality of guide parts and whose outer diameter decreases toward the one side in the axial direction.

Tomohiko NAKANISHI, Dongming CHEN, Satoshi YABUSHITA

Filed: 11 Sep 20

Electromagnetic Valve

An electromagnetic valve includes: a solenoid, including a bobbin, a plunger, and a coil that moves the plunger; and a valve mechanism, including a flow path member that includes a first flow path, a second flow path, a relay part and a valve body housing, and a valve body that is inserted into the valve body housing, movably supported along an axial direction together with the plunger, and switches between passage and blockage between the first and the second flow paths.

Tomohiko NAKANISHI, Takashi TAKAI

Filed: 11 Sep 20

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An electromagnetic valve includes a solenoid having a plunger; a flow path member including a fluid passage flow path having a first flow path, a second flow path, and a relay flow path which is disposed between the first flow path and the second flow path and which connects the first flow path and the second flow path, and a cylindrical space; a valve body movably disposed in the cylindrical space; and a spring which is disposed concentrically with the valve body on an outer peripheral side of the valve body in the cylindrical space and urges the valve body.

Tomohiko NAKANISHI, Dongming CHEN, Satoshi YABUSHITA

Filed: 16 Sep 20

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An electromagnetic valve includes a solenoid and a valve mechanism.

Tomohiko NAKANISHI, Takashi TAKAI

Filed: 7 Sep 20

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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.

Filed: 24 Aug 18

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A motor driving device for driving a motor is provided.

Yoshiyuki KOBAYASHI, Yasuhiro SHIRAI, Tadayuki HATSUDA

Filed: 11 Sep 20

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A control substrate includes: a reverse connection protection circuit; a first substrate wiring connected with a source terminal of a MOSFET of the reverse connection protection circuit; a second substrate wiring connected with a GND terminal; a bypass circuit, allowing, in a case where an output voltage of a vehicle-mounted battery is equal to or greater than a predetermined value, a current to flow from the first substrate wiring to the second substrate wiring; and a clamp circuit, connected with a positive electrode terminal and a GND terminal on an upstream side with respect to the MOSFET and clamps a positive voltage to a second predetermined value.

Filed: 11 Sep 20

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An electric actuator includes: a motor part including a motor shaft extending in an axial direction; a deceleration mechanism connected to one axial side of the motor shaft; an output part including an output shaft to which rotation of the motor shaft is transmitted via the deceleration mechanism; and a housing accommodating the motor part, the deceleration mechanism, and the output part.

Filed: 7 Sep 20

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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.

Filed: 19 Aug 20

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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.

Filed: 19 Aug 20

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An electromagnetic valve includes: a solenoid, including a bobbin, a plunger, and a coil that moves the plunger; and a valve mechanism, including a flow path member that includes a first flow path, a second flow path, a relay flow path and a valve body housing, and a valve body that is inserted into the valve body housing, movably supported along an axial direction together with the plunger, and switches between passage and blockage of a fluid via the relay flow path between the first flow path and the second flow path.

Dongming CHEN, Tomohiko NAKANISHI

Filed: 13 May 20

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An electromagnetic valve includes a solenoid having a plunger supported movably along an axial direction, and a valve mechanism having a valve body in a columnar shape supported movably along the axial direction together with the plunger and switching between passage and blockage of a fluid.

Dongming CHEN, Tomohiko NAKANISHI

Filed: 11 May 20

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An electromagnetic valve includes a solenoid having a plunger supported movably along an axial direction, and a valve mechanism having a flow path member which has a valve body housing disposed along the axial direction and a valve body which is in a columnar shape inserted into the valve body housing and which switches between passage and blockage of a fluid.

Dongming CHEN, Tomohiko NAKANISHI

Filed: 10 May 20

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An electromagnetic valve includes: a solenoid, including a bobbin, a plunger, and a coil that moves the plunger; and a valve mechanism, including a flow path member made of resin that includes a first flow path, a second flow path, a relay flow path and a valve body housing, a valve body made of resin that is inserted into the valve body housing, movably supported along an axial direction together with the plunger, and switches between passage and blockage of a fluid via the relay flow path between the first flow path and the second flow path, and a sliding member made of metal and having a tubular shape, provided concentrically with the valve body housing.

Dongming CHEN, Tomohiko NAKANISHI

Filed: 10 May 20

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A clutch control device includes a pump to feed oil to a hydraulic clutch, an input side oil passage connecting an oil tank and the pump and through which oil sucked from the oil tank to the pump passes, and an output side oil passage connecting the pump and the hydraulic clutch and through which oil that is pressurized by the pump and is fed from the pump to the hydraulic clutch passes.

Takamitsu ETO, Fumiya SAGARA

Filed: 20 Jun 17

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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: 23 May 17

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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: 15 Feb 20

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Provided is an electric pump device which includes a motor having a shaft extending along a first central axis, a pump portion driven by the motor, and a housing for housing the motor and the pump portion.

Hitoshi SAKAMOTO, Koji HIGUCHI, Kunihiro KAJITA, Tomokazu IKEDA

Filed: 17 Mar 20

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In an electric oil pump, a motor includes a main body including a coil, bus bars electrically connected to lead wires of the coil, and a shaft including a portion on one side in an axial direction protruding from an end of the main body on the one side in the axial direction and connected to a pump, a control board includes a power supply input portion and a power supply output portion and is disposed in a posture in which any one of a first surface and a second surface of the control board lies in the axial direction, the power supply input portion is at an end portion of the control board on the other side in the axial direction, and bus bar terminals are disposed on one side of the main body in the axial direction.

Yoshiyuki KOBAYASHI, Shigehiro KATAOKA

Filed: 13 Feb 20

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Provided is an electric pump device which includes a motor having a shaft extending along a first central axis, a pump portion driven by the motor, and a housing for housing the motor and the pump portion.

Hitoshi SAKAMOTO, Koji HIGUCHI, Kunihiro KAJITA, Tomokazu IKEDA

Filed: 17 Mar 20

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