Patent · US Expired

Silencer

US6637545B1 · kind B1 · utility

10Cited by

4References

6Claims

0Family size

Inventors

Erik Jonsson · Älvsbyn, SE
Mikael Persson · Lund, SE

Key dates

Filing date	Jul 1, 2002
Grant date	Oct 28, 2003
Priority date	—
Expiry date	Aug 5, 2022

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF01N2260/14
WIPO fieldEnvironmental technology
WIPO sectorChemistry

Abstract

A device for silencing a flowing gas which includes a valve housing in which a valve is mounted. A separate pressure regulator is provided which is in communication with the flowing gas and which is responsive to gas pressure to thereby influence movement of a mechanical actuating device which controls movement of the valve such that the valve may be opened at least two different rates dependent upon the pressure of the flowing gas.

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