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Hydraulic pressure control valve

来源:爱够旅游网
专利内容由知识产权出版社提供

专利名称:Hydraulic pressure control valve发明人:Naganori Koshimizu申请号:US06/316426申请日:19811029公开号:US04444436A公开日:19840424

摘要:A hydraulic pressure control valve for use in a vehicle hydraulic braking systemhaving first and second pressure circuits include a common valve housing, first and secondpressure control mechanisms including respectively stepped pistons, valve mechanismsand inlet and outlet chambers, a spring force controlling pressure chamber normallyconnected to the inlet chamber of the first pressure control mechanism and transmittingthe force of a spring to the pistons of the both mechanisms, and an inertia valve arrangedin a passage connecting the inlet chamber of the first mechanism and the spring forcecontrolling pressure chamber. The inertia valve closes when the deceleration of thebraked vehicle exceeds a predetermined level as determined by the loading condition ofthe vehicle and the pressure in the inlet and outlet chambers in the respective pressurecontrol mechanisms. Thereafter, the pistons move to close respective valve mechanismsand the pressure in respective outlet chambers increases at a rate smaller than theincrease in the pressure in the inlet chambers.

申请人:TOKICO LTD.

代理机构:Wenderoth, Lind & Ponack

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