Patent · US Expired

Second stage demand regulator

US5503140A · kind A · utility

44Cited by
23References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 1, 1994
Grant dateApr 2, 1996
Priority date
Expiry dateAug 1, 2014

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA62B9/022
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A regulator of the type used for second stage regulation of air or breathing gas having a circular portion and a valve body mounted within the body. A diaphragm is mounted in the circular portion which responds to pressure differentials on either side of the diaphragm with a spring loaded poppet for valving gas. Two angled walls extend from the circular portion, each forming a plane which intersects the other, and at least one exhaust valve is mounted in each of the two respective walls which are angled to each other forming an angled cavity adjacent the valves.

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