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公开(公告)号：US20240337277A1
公开(公告)日：2024-10-10
申请号：US18745513
申请日：2024-06-17
Applicant: DENSO CORPORATION
Inventor： Kazunori UCHIDA , Tomohiro TAKAHASHI , Hiroyuki SHINTANI
CPC classification number: F15B15/26 , F15B13/027 , F15B15/1428 , F15B2015/268
Abstract: An integrated pump device forms a module in which a motor, an oil pump rotated by a driving force of the motor, and a hydraulic parking lock actuator are integrally constructed. The hydraulic parking lock actuator operates to switch between an advance state and a retard state by hydraulic pressure supplied from the oil pump, and locks a parking lock mechanism of an automobile in the advance state and unlocks the parking lock mechanism in the retard state. The oil pump can supply oil for cooling or lubrication to an oil consumer via the hydraulic parking lock actuator.
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公开(公告)号：US20230323949A1
公开(公告)日：2023-10-12
申请号：US18335022
申请日：2023-06-14
Applicant: DENSO CORPORATION
Inventor： Tomohiro TAKAHASHI , Kazunori UCHIDA , Motoyoshi ANDO
CPC classification number: F16H63/3483 , F15B15/26 , F04C2210/206 , F04C13/002 , F15B15/18
Abstract: An integrated pump device includes a motor, an oil pump rotated by a driving force of the motor and configured to discharge oil drawn from an oil pan, and a hydraulic actuator configured to switch between an advance state and a retard state by a hydraulic pressure created by the oil pump. The hydraulic actuator is a parking lock actuator, and includes a housing having vane chambers and a vane rotor housed in the housing and including vanes arranged in the vane chambers. The vane rotor is configured to rotate to enter the advance state when the hydraulic pressure is supplied to an advance chamber, and to rotate to enter the retard state when the hydraulic pressure is supplied to a retard chamber. The parking lock actuator locks a parking lock mechanism at the advance state, and unlocks the parking lock mechanism at the retard state.
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