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公开(公告)号：US20220332302A1
公开(公告)日：2022-10-20
申请号：US17641227
申请日：2020-11-25
Applicant: Hitachi Astemo, Ltd.
Inventor： Asahi WATANABE , Toshiya OOSAWA , Daisuke NEZU
IPC: B60T13/68 , B60T8/1755 , B60T8/40 , B60T13/14
Abstract: When another pump is actuated while a pump is de-actuated, a pressure adjustment valve is brought into a valve-opened state after a shut-off valve is actuated in a valve-opening direction and the another pump is actuated.
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