Patent · US Expired

Valve

US4787415A · kind A · utility

4Cited by
4References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 23, 1987
Grant dateNov 29, 1988
Priority date
Expiry dateSep 23, 2007

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/87209
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

The invention relates to a valve with at least one diaphragm valve element, two servo valve elements and an inverter valve element. The valve according to the invention is distinguished by impulse actuation.

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