Patent · US Expired

Two position control valve

US4597414A · kind A · utility

11Cited by
12References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 29, 1985
Grant dateJul 1, 1986
Priority date
Expiry dateMay 29, 2005

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/8667
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A two position control valve having a body member with a control surface and a slide member incorporating a seal supported by the body member for sliding movement relative to the control surface and forming a control chamber placing selected ones of a plurality of control ports in communication with each other.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.