Check valve for use in filler tube vapor recirculation...

Details Check valve for use in filler tube vapor recirculation... Check valve for use in filler tube vapor recirculation...

2005-09-20

2005-09-20

Douglas, Steven O. (Department: 3751)

Fluent material handling, with receiver or receiver coacting mea

Multiple passage filling means for diverse materials or flows

With valve

C141S350000, C220S086200

Reexamination Certificate

active

06945290

ABSTRACT:
A check valve assembly is designed for insertion in an existing fuel tank filler tube having a mechanical nozzle seal and a vapor recirculation port. The insert has an integrally formed ground strap/tab for grounding a refueling nozzle and an attached flexible flapper positioned adjacent the recirculation port by an integrally formed spring tab. The insert has friction tabs for engaging the inner surface of the filler tube for retaining the check valve assembly in the filler tube.

REFERENCES:
patent: 4044913 (1977-08-01), Brunnert
patent: 4816045 (1989-03-01), Szlaga et al.
patent: 5735322 (1998-04-01), Palvolgyi
patent: RE37776 (2002-07-01), Foltz
patent: 6415827 (2002-07-01), Harris et al.

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