Vapor/fuel seal for fuel tank filler tube

Details Vapor/fuel seal for fuel tank filler tube Vapor/fuel seal for fuel tank filler tube

1988-01-15

1989-04-18

Cuchlinski, Jr., William A.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277207A, 141312, 141314, 141331, F16J 1532

Patent

active

048220540

ABSTRACT:
A vapor/fuel seal for a fuel tank filler tube. The vapor/fuel seal includes an expansible seal member having inlet and outlet ends. The inlet end is sealingly mountable on the inlet end of a vehicle filler tube. The outlet end is normally closed. However, the outlet end is expansible to receive the end of a fuel dispensing nozzle therethrough. Intermediate between the inlet and outlet ends of the seal member is a sleeve member which defines an expansible fluid flow body portion. The sleeve member is expansible to receive a fluid dispensing nozzle and yet remain in sealing contact with the periphery of the nozzle. The vapor/fuel seal has a biasing member monted at the inlet end and extending into the fluid flow body portion to maintain the expansible seal member in position during insertion and removal of the fluid dispensing nozzle. The biasing member has at least two prong members which extend within the fluid flow passage and maintain the sleeve member in position during insertion and retraction.

REFERENCES:
patent: 2703194 (1955-03-01), White
patent: 3495594 (1970-02-01), Swanson
patent: 3566928 (1971-03-01), Hansel
patent: 3734149 (1973-05-01), Hansel
patent: 3903942 (1975-09-01), Vest
patent: 4037754 (1977-07-01), Wilhelmi et al.
patent: 4630749 (1986-12-01), Armstrong et al.

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