Patent · US Expired

Small pump valve plate assembly

US4776776A · kind A · utility

27Cited by
8References
5Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 24, 1987
Grant dateOct 11, 1988
Priority date
Expiry dateAug 24, 2007

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/7843
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

An improved valve plate assembly for use with a reciprocating piston fluid pump such as a low capacity air compressor. A resilient rubber valve molding is positioned over a plate defining inlet and outlet ports for forming a seal between the plate and a cylinder head, for forming an inlet check valve and for forming an outlet check valve.

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