Patent · US Expired

Device with a diaphragm arrangement

US6581631B2 · kind B2 · utility

2Cited by
4References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 22, 2002
Grant dateJun 24, 2003
Priority date
Expiry dateApr 22, 2022

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/7836
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

A device with a diaphragm arrangement dividing two chambers from one another, in which the diaphragm arrangement is retained via a crimped connection, excellent restraint of the diaphragm arrangement and excellent sealing are attained with the aid of an elastomer material. The device may be a pressure valve, for instance, and serves to vary a pressure of a fuel supply system of a motor vehicle.

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