Breather for an internal combustion engine fuel tank

Details Breather for an internal combustion engine fuel tank Breather for an internal combustion engine fuel tank

1993-08-06

1994-12-20

Miller, Carl S.

Internal-combustion engines

Charge forming device

Having fuel vapor recovery and storage system

123519, 123198D, F02M 3704

Patent

active

053738306

ABSTRACT:
A breather valve for the gas tank of an internal combustion engine having an adsorption filter which is linked to the atmosphere by a breather line which is controlled by a shut-off valve. The tank breather valve is constructed so that pressure build up in the fuel tank, the lines, and the adsorption filter do not lead to damage of the valves. The magnetic circuit of the shut-off valve provides that above a predetermined pressure in the adsorption filter, the generated pressure is sufficient to open the shut-off valve, thereby facilitating pressure relief without any damage. The breather is particularly suitable for internal combustion engines in motor vehicles.

REFERENCES:
patent: 3802403 (1974-04-01), Dewick
patent: 4175526 (1979-11-01), Phelan
patent: 4862856 (1989-09-01), Yokoe
patent: 5148793 (1992-09-01), Reddy
patent: 5209210 (1993-05-01), Ikeda
patent: 5243944 (1993-09-01), Plumenstock
patent: 5253629 (1993-10-01), Fornoto
patent: 5263462 (1993-11-01), Reddy

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