Fuel tank cap

Details Fuel tank cap Fuel tank cap

1976-11-02

1977-06-07

Spear, Jr., Frank A.

Gas separation

With remote fan or pump and unconfined flow to separator

210136, 210172, 220202, 220367, B01D 5302

Patent

active

040280756

ABSTRACT:
A cylindrical fuel cap having a first chamber filled with vapor absorbent material, a second chamber filled with air filtering material, and a one-way check valve for establishing communication between the atmosphere and the interior of the fuel cap is placed in a fuel inlet line of a fuel tank to trap fuel vapors in the tank preventing them from being emitted to pollute the atmosphere and to provide a fuel vapor reservoir for augmenting the fuel used for combustion in an internal combustion engine, oil burner, and the like, upon demand.

REFERENCES:
patent: 2675093 (1954-04-01), McCall et al.
patent: 3546853 (1970-12-01), Claar
patent: 3831353 (1974-08-01), Toth
patent: 3844264 (1974-10-01), Grainger
patent: 3854911 (1974-12-01), Walker

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