公开(公告)号：US3712582A

公开(公告)日：1973-01-23

申请号：US3712582D

申请日：1970-07-16

Applicant: MOESTA D

Inventor： MOESTA D

IPC: F16K31/04 ,  H02P3/04

CPC classification number: F16K31/04

Abstract: A support housing having a cylindrical bore in which a complementary cylindrical spool valve is carried and screwthreadedly engaged with the housing, the valve being rotated by a drive motor for linear movement of the valve in the bore, an inlet port and an outlet port opening to the bore so that communication therebetween is accurately controlled by the linear positioning of the spool valve, a pulse drum structure connected with and rotating with the spool valve and having sensor points thereon which, as the pulse drum rotates with the valve, pass by a sensing device which is thus enabled to sense linear change of position of the drum and hence its associated valve, and a control system operatively connected with the sensing device and the drive motor for actuating the valve to accurately located positions providing selected flow rates through the valve.

Abstract translation: 支撑壳体具有圆柱形孔，其中承载互补圆柱形滑阀并与壳体螺纹接合，该阀由驱动马达旋转，用于阀在孔中的线性运动，入口端口和出口端口 打开孔，以便通过滑阀的线性定位精确地控制它们之间的连通，与滑阀连接并与滑阀一起旋转并且在其上具有传感器点的脉冲鼓结构，当脉冲鼓随阀旋转时，该传感器点经过 感测装置因此能够感测到滚筒及其相关联的阀的位置的线性变化，以及与感测装置和驱动马达可操作地连接的控制系统，用于致动阀以精确定位位置，从而提供选定流量通过 阀。