Patent · US Expired

Diaphragm for an integrated pressure management apparatus

US6328021A · kind A · utility

46Cited by
13References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 31, 2000
Grant dateDec 11, 2001
Priority date
Expiry dateMar 31, 2020

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01L7/082
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A diaphragm for an integrated pressure management system manages pressure and detects leaks in a fuel system. The integrated pressure management system also performs a leak diagnostic for the headspace in a fuel tank, a canister that collects volatile fuel vapors from the headspace, a purge valve, and all associated hoses and connections.

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