Patent · US Expired

Modular, pneumatically operated control valve

US6840495B2 · kind B2 · utility

6Cited by
4References
29Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 22, 2002
Grant dateJan 11, 2005
Priority date
Expiry dateJan 17, 2023

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S137/901
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A modular, actuated valve controlled by means of pressure fluids comprising a head plate mounted on a housing plate mounted on a base plate, held together by screws, having a piston with attached valve spindle and a pressure relief space provided between the flow passage 28, 29 and the piston.

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