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公开(公告)号：US20200309119A1
公开(公告)日：2020-10-01
申请号：US16790770
申请日：2020-02-14
Applicant: Nidec Tosok Corporation
Inventor： Shigehiro KATAOKA , Yoshiyuki KOBAYASHI
Abstract: 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. A rotation angle sensor is disposed on a rear side of a control board in the axial direction. A power supply input portion on the control board is disposed in an end portion on the rear side in the axial direction. A main body of a motor includes the control board and a wiring assembly electrically connecting a connector and the rotation angle sensor to each other. The wiring assembly includes a power supply input wiring, a sensor wiring, and a wiring holder holding the power supply input wiring and the sensor wiring.
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公开(公告)号：US20200235630A1
公开(公告)日：2020-07-23
申请号：US16639136
申请日：2018-08-16
Applicant: Nidec Tosok Corporation
Inventor： Yoshiyuki KOBAYASHI , Shigehiro KATAOKA
IPC: H02K5/22 , H02K7/14 , H02K11/33 , H02K21/16 , H01R12/71 , H01R13/42 , F04D13/06 , F04D29/18 , F04D29/043 , F04D29/40
Abstract: A circuit board assembly includes a circuit board, an inverter housing including a circuit board accommodating portion, and an external terminal connected to the circuit board. The circuit board includes a connection hole, and the inverter housing includes an external terminal receiving portion projecting on a bottom surface of the circuit board accommodating portion. The external terminal receiving portion includes an external terminal fitting hole including an insertion side opening that opens on a bottom of the inverter housing, and a projection side opening that opens on a tip of the external terminal receiving portion. The projection side opening faces the connection hole, and the external terminal is disposed in the external terminal fitting hole so as to project from the projection side opening and be inserted into the connection hole.
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公开(公告)号：US20200032794A1
公开(公告)日：2020-01-30
申请号：US16491256
申请日：2018-03-12
Applicant: Nidec Tosok Corporation
Inventor： Takamitsu ETO , Yoshiyuki KOBAYASHI , Koji HIGUCHI , Shigehiro KATAOKA
IPC: F04C15/06
Abstract: An oil pump device includes a motor, a pump, a pump cover, and a solenoid. The pump cover includes a discharge port, an intake opening through which oil is suctioned, a first discharge opening and a second discharge opening through which oil is discharged, a first oil passage that is a flow path between the first discharge opening and the discharge port, and a second oil passage that is a flow path between the second discharge opening and the discharge port. A solenoid valve of a solenoid is located on the second oil passage.
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公开(公告)号：US20190195345A1
公开(公告)日：2019-06-27
申请号：US16217056
申请日：2018-12-12
Applicant: NIDEC TOSOK CORPORATION
Inventor： Shigehiro KATAOKA , Yoshiyuki KOBAYASHI
CPC classification number: F16H61/0031 , B60W10/30 , F01M1/16 , F01M2001/0215 , F16H57/0436 , F16H57/0441
Abstract: An electric oil pump includes a motor part having a shaft; a pump part that is positioned on one side of the motor part and is driven by the motor part via the shaft and discharges oil; and a control part configured to control an operation of the motor part, wherein the motor part includes a rotor, a stator disposed to face the rotor, and a motor housing, wherein the pump part includes a pump rotor and a pump housing having a housing part, wherein the control part includes a plurality of electronic components and a board, the plurality of electronic components include a heat generating component, wherein the motor housing has a cylindrical part and a plurality of heat dissipating fins that extend from the cylindrical part, wherein the board has a first surface and a second surface, and the heat generating component is mounted on the second surface.
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公开(公告)号：US20190032656A1
公开(公告)日：2019-01-31
申请号：US16048376
申请日：2018-07-30
Applicant: NIDEC TOSOK CORPORATION
Inventor： Yoshiyuki KOBAYASHI , Koji HIGUCHI , Yutaka HASHIMOTO , Shigehiro KATAOKA
Abstract: An electric oil pump includes a motor unit having a shaft and a pump unit which is disposed on a front side of the motor unit, is driven by the shaft, and discharges oil. The motor unit includes a rotor, a stator, and a resin housing in which the rotor and the stator are housed. The pump unit includes a pump rotor provided at the shaft and a pump housing having a housing part in which the pump rotor is housed. The pump housing includes the pump body that is supported by the shaft via a sliding bearing and a pump cover that covers a front side of the pump body. A rear side of the shaft is supported by the resin housing via a rolling bearing and a front side of the shaft that protrudes from the motor unit is supported by a pump body via the sliding bearing.
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Patent Agency Ranking
公开(公告)号：US20180274540A1
公开(公告)日：2018-09-27
申请号：US15921706
申请日：2018-03-15
Applicant: Nidec Tosok Corporation
Inventor： Shigehiro KATAOKA , Yoshiyuki KOBAYASHI , Koji HIGUCHI
CPC classification number: F04C15/0034 , F01C21/10 , F04C2/10 , F04C2/102 , F04C15/008 , F04C15/064 , F04C2240/30 , F04C2240/40 , F04C2240/803 , F04C2240/808
Abstract: An electric oil pump apparatus includes an electric oil pump including a housing main body that accommodates a motor and a pump driven by the motor, a flange portion formed on the housing main body, and a control circuit case for accommodating a control circuit, and a base plate attached to the electric oil pump. The base plate includes an annular main body fixed to the housing main body, and a sealing member located between the annular main body and the housing main body. The annular main body includes a first surface located on one side, a second surface located on the other side, a first through hole for passing the housing main body therethrough, and an annular stepped portion configured to accommodate the sealing member, and formed along an inner edge of the first through hole. The first surface of the base plate is opposed to the flange portion.
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公开(公告)号：US20220416617A1
公开(公告)日：2022-12-29
申请号：US17848402
申请日：2022-06-24
Applicant: NIDEC TOSOK CORPORATION
Inventor： Tomohiro SAKATA , Shigehiro KATAOKA
Abstract: 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. The coil wire extends to the first side in the axial direction and is connected to the circuit board. The coil guide includes a first portion guiding the coil wire along the axial direction, and a second portion which faces the motor and in which the first portion is opened. The second portion is a surface inclined to the first side in the axial direction toward an opening of the first portion. A width of the second portion as viewed from the axial direction decreases toward the opening of the first portion.
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公开(公告)号：US20220320942A1
公开(公告)日：2022-10-06
申请号：US17709326
申请日：2022-03-30
Applicant: NIDEC TOSOK CORPORATION
Inventor： Shigehiro KATAOKA , Yoshiyuki KOBAYASHI
Abstract: 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. The substrate housing portion is radially outside the stator housing portion. The housing has a connection hole radially connecting the stator housing portion and the substrate housing portion. The bus bar assembly radially passes through the connection hole. The bus bar includes a coil connection portion electrically connected to the coil, and a substrate connection portion electrically connected to the substrate. The bus bar assembly includes a bus bar holder that holds the bus bar, and a fixing member that is held by the bus bar holder and fixed to the housing.
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公开(公告)号：US20210156380A1
公开(公告)日：2021-05-27
申请号：US16633600
申请日：2018-08-16
Applicant: Nidec Tosok Corporation
Inventor： Shigehiro KATAOKA , Yoshiyuki KOBAYASHI
Abstract: 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. The motor includes a rotor, a stator, and a motor housing that houses the rotor and the stator. The pump includes a pump rotor and a pump housing. The motor housing has a bottomed tubular shape that includes a bottom portion on a side of the inverter assembly, and the inverter assembly includes an inverter housing including a circuit board housing that houses a circuit board and a busbar holder. The busbar holder is on a side opposite to a terminal that is electrically connected to the circuit board with respect to the shaft in the circuit board housing.
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20.发明申请公开(公告)号：US20200319048A1
公开(公告)日：2020-10-08
申请号：US16303679
申请日：2017-05-24
Applicant: Nidec Tosok Corporation
Inventor： Yoshiyuki KOBAYASHI , Shigehiro KATAOKA , Yoshihiro KAMIMURA
Abstract: 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. The housing includes a capacitor housing portion, the capacitor being electrically connected to the lead terminal inside the exposed portion, and a positioning portion that positions, inside the capacitor housing portion, the capacitor that has been mounted in the capacitor housing portion.
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