公开(公告)号：US3905393A

公开(公告)日：1975-09-16

申请号：US41915673

申请日：1973-11-27

Applicant: REXROTH GMBH G L

Inventor： HARTWIG MANFRED

IPC: F15B13/043 ,  F16K11/087 ,  F16K11/20

CPC classification number: F15B13/043 ,  Y10S137/901 ,  Y10T137/87193

Abstract: A valve body has a valve chamber provided with a first and an opposite second port, and with a third port intermediate the first and the second ports. A first and a second valve seat are provided at the first and second port, respectively, and a third valve seat is provided intermediate the first and third ports. A valve member is movable in the valve chamber between a position in which it engages the first valve seat and disengages both the second and third valve seats, and another position in which it engages both the second and third valve seats and is disengaged from the first valve seat.

Abstract translation: 阀体具有设置有第一和相对的第二端口的阀室，并且在第一和第二端口之间具有第三端口。 第一和第二阀座分别设置在第一和第二端口处，并且第三阀座设置在第一和第三端口的中间。 阀构件可以在阀室中在其与第一阀座接合并且脱离第二阀座和第三阀座的位置之间移动，而另一位置与第二阀座和第三阀座接合并且与第一阀座脱离 阀座。