Patent · US Expired

Fluid control valve

US4316478A · kind A · utility

6Cited by
2References
3Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 27, 1980
Grant dateFeb 23, 1982
Priority date
Expiry dateMay 27, 2000

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/86759
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A fluid control valve and its method of use, the valve having a plurality of annular fluid control elements stacked within a housing, and resilient means for biasing the fluid control elements in a spaced apart relationship in order to provide for fluid flow between the fluid control elements, the fluid control elements forming a seat adapted to receive the resilient means and also including means for producing an interference fit about the periphery of the fluid control elements adjacent the center space within the annular stack of fluid control elements.

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