公开(公告)号：US3709100A

公开(公告)日：1973-01-09

申请号：US3709100D

申请日：1971-06-11

Applicant: CATERPILLAR TRACTOR CO

Inventor： PETERSON W ,  WIRTZ E

IPC: F15B1/26 ,  F15B11/16 ,  F15B13/06

CPC classification number: F15B1/26

Abstract: A hydraulic circuit for a machine having implements arranged on two portions of the machine, a fluid tank and implement control valve assembly being arranged on each portion of the machine, a pump for drawing fluid from one of the tanks and delivering it to the control valve assemblies with conduits for returning exhaust fluid to either of the tanks, a fluid equalizing line and an air equalizing line interconnecting the two tanks to assure an adequate supply of hydraulic fluid in each tank.

Abstract translation: 一种用于机器的液压回路，其具有布置在机器的两部分上的工具，设置在机器的每个部分上的流体箱和工具控制阀组件，用于从其中一个罐抽出流体并将其输送到控制阀 具有用于将废气返回到任一罐的管道的组件，流体均衡管线和互连两个罐的空气均衡管线，以确保每个罐中的液压流体的足够供应。

公开(公告)号：US3856041A

公开(公告)日：1974-12-24

申请号：US41962573

申请日：1973-11-28

Applicant: CATERPILLAR TRACTOR CO

Inventor： CRYDER J ,  WIRTZ E

IPC: F16K17/26

CPC classification number: F16K17/26 ,  Y10T137/2617 ,  Y10T137/7777 ,  Y10T137/7841

Abstract: There is disclosed a valve assembly comprising an integral relief and make-up valve provided for use in hydraulic systems. The compact assembly comprises a reciprocal valve spool disposed between a fluid supply conduit and a fluid discharge conduit and relief valve means contained within the valve spool for relieving fluid pressure within the fluid supply conduit. The valve spool is responsive to pressure differentials within the system, permitting increased fluid flow from a fluid discharge conduit to the fluid supply conduit as required.

Abstract translation: 公开了一种阀组件，其包括设置用于液压系统的整体释放阀和补充阀。 紧凑组件包括设置在流体供应管道和流体排放管道之间的往复阀阀芯和容纳在阀阀芯内的安全阀装置，用于减轻流体供应管道内的流体压力。 阀芯对系统内的压力差进行响应，根据需要允许从流体排放管道向流体供应管道增加流体流量。