Ventilation line opening/closing means of fuel tank

Details Ventilation line opening/closing means of fuel tank Ventilation line opening/closing means of fuel tank

1994-01-04

1995-08-01

Jacyna, J. Casimer

Fluent material handling, with receiver or receiver coacting mea

Filling means with receiver or receiver coacting means

Extensible or expansible inserted coupler or centering means...

141301, 141326, 220 862, 137589, B65B 104, B65B 304

Patent

active

054373174

ABSTRACT:
A ventilation line opening/closing device for a fuel tank wherein opening/closing valve is provided in a ventilation line for vapor leading from the fuel tank to a canister. The opening/closing valve includes a closure device for closing the valve by opening a shutter when a fuel supplying nozzle is inserted into a filler port. The valve remains closed even when the fuel supplying nozzle is removed from the filler port and is only opened by an opening device for opening the valve when the filler cap is tightly fitted into the filler port.

REFERENCES:
patent: 4625777 (1986-12-01), Schmidt
patent: 4706708 (1987-11-01), Fornuto et al.
patent: 4742809 (1988-05-01), Ito et al.
patent: 4932444 (1990-06-01), Micek
patent: 4955950 (1990-09-01), Seiichi et al.
patent: 5056570 (1991-10-01), Harris et al.
patent: 5186220 (1993-02-01), Scharrer
patent: 5215132 (1993-06-01), Kobayashi
patent: 5263511 (1993-11-01), Ohasi et al.

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