Patent · US Expired

Unidirectional-flow fluid valve

US4495964A · kind A · utility

6Cited by
6References
17Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 12, 1983
Grant dateJan 29, 1985
Priority date
Expiry dateMay 12, 2003

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/7936
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

In the embodiment shown, the valve has a seat and a stop plate with valving elements therebetween. The seat has pluralities of openings formed therein, and the stop plate has a central void. The valving elements move, to open or close off communication between the openings and the void, in response to pressured fluid. Each element controls fluid flow through a pair of openings. The valve seat has angularly-formed lands with which the elements, correspondingly angularly formed, nest to close off fluid communication through the valve.

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