Method and arrangement for sealing a capless fuel tank...

Details Method and arrangement for sealing a capless fuel tank... Method and arrangement for sealing a capless fuel tank...

2005-04-19

2005-04-19

Douglas, Steven O. (Department: 3751)

Fluent material handling, with receiver or receiver coacting mea

Filling means with receiver or receiver coacting means

Supply means carried receiver flow control opening means

C220S086200, C220SDIG003

Reexamination Certificate

active

06880594

ABSTRACT:
A flapper door is spring biased closed against a valve seat on the underside of a filler tube bulkhead having a refueling nozzle aperture. The valve seat has an annular tapered surface and a resilient annular seal on the flapper door contacts the valve seat in wiping engagement. A pneumatic dampener retards the speed of closure of the flapper door onto the valve seat.

REFERENCES:
patent: 5518223 (1996-05-01), Bivens
patent: 5538055 (1996-07-01), Kunz et al.
patent: 6009920 (2000-01-01), Palvoelgyi et al.
patent: 6415827 (2002-07-01), Harris et al.
patent: 6443195 (2002-09-01), Palvoelgyi et al.

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