초록 ▼

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, a

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.

대표청구항 ▼

[ What is claimed is:] [1.]1. A diaphragm for separating signal and interior chambers in a housing of an integrated pressure management apparatus, the diaphragm comprising:a generally rigid central portion; anda relatively flexible annulus having an inner perimeter fixed to an insert and an outer pe

[ What is claimed is:] [1.]1. A diaphragm for separating signal and interior chambers in a housing of an integrated pressure management apparatus, the diaphragm comprising:a generally rigid central portion; anda relatively flexible annulus having an inner perimeter fixed to an insert and an outer perimeter adapted for sealingly engaging the housing, the outer perimeter engaging the housing to seal a first housing part defining the signal chamber with respect to a second housing part defining the interior chamber in the integrated pressure management apparatus.