公开(公告)号：US3859791A

公开(公告)日：1975-01-14

申请号：US37733073

申请日：1973-07-09

申请人： AMERICAN STANDARD INC

发明人： ALLEN CLIFFORD W ,  OLSON PAUL E

IPC分类号： F15B11/02 ,  F15B11/072 ,  F15B15/18

CPC分类号： F15B11/02 ,  F15B11/072 ,  F15B2211/212 ,  F15B2211/216 ,  F15B2211/30505 ,  F15B2211/30525 ,  F15B2211/329 ,  F15B2211/365 ,  F15B2211/50518 ,  F15B2211/5151 ,  F15B2211/5153 ,  F15B2211/55 ,  F15B2211/605 ,  F15B2211/7052 ,  F15B2211/7053 ,  Y10T137/86598

摘要： This invention relates to a pneumatically or hydraulically operated hydraulically lapped control apparatus in which a manually operated control valve device supplies a pneumatic or hydraulic fluid under pressure to the larger end of a differential-type abutment that is moved thereby to operate a spring-returned directional valve device. The operation of this device causes the supply of a hydraulic fluid under pressure from a source of supply of such fluid to a device to be operated thereby and to the smaller end of the differential-type abutment until substantially equal fluid pressure forces are obtained on the opposite ends of this abutment whereupon the spring-returned directional valve is rendered effective to cut off further flow of hydraulic fluid to the device to be operated and the smaller end of this abutment. Thus, a hydraulic fluid under pressure is obtained for operating a device and for effecting a self-lapping operation, the degree of this hydraulic pressure being variable in accordance with the ratio of the areas of the opposite ends of a differential-type abutment.

摘要翻译： 本发明涉及一种气动或液压操作的液压重叠控制装置，其中手动操作的控制阀装置将压力下的气动或液压流体供应到差速式支座的较大端部，从而使其运动，从而操作弹簧回转方向 阀门装置。 该装置的操作导致在压力下的液压流体从这样的流体的供应源供应到要由其操作的装置以及差动型邻接的较小端，直到获得基本相等的流体压力 该基台的相对端部，弹簧返回的换向阀有效地将液压流体进一步流向要被操作的装置和该基台的较小端部。 因此，获得用于操作装置的压力下的液压流体，并且进行自研磨操作，该液压的程度根据差动式支座的相对端的面积的比率而变化。