公开(公告)号：US12090975B2

公开(公告)日：2024-09-17

申请号：US17641227

申请日：2020-11-25

申请人： Hitachi Astemo, Ltd.

发明人： Asahi Watanabe ,  Toshiya Oosawa ,  Daisuke Nezu

IPC分类号： B60T13/68 ,  B60T8/1755 ,  B60T8/40 ,  B60T13/14

CPC分类号： B60T13/686 ,  B60T8/1755 ,  B60T8/4081 ,  B60T13/147

摘要： 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.