Fuel interruption means of fuel tank

Details Fuel interruption means of fuel tank Fuel interruption means of fuel tank

1996-09-10

1998-11-10

Michalsky, Gerald A.

Fluid handling

Diverse fluid containing pressure systems

Fluid separating traps or vents

137 43, 137629, F16K 2404

Patent

active

058329501

ABSTRACT:
In a fuel interruption device for a fuel tank, a main valve is prevented from opening as a result of the action of an auxiliary valve during closure of the main valve; and more specifically, an auxiliary valve which is caused to move up and down by a float and a main valve which moves up and down in linkage with the up and down movement of the auxiliary valve are accommodated inside a casing which allows the inflow and outflow of liquid fuel and is provided at the end of a passage which connects the fuel tank and canister; a linking projection is provided on one of the valves, that is, either the auxiliary valve or the main valve, so that the main valve moves in linkage with the auxiliary valve in an action that is either advanced or retarded within a predetermined range, and a projection regulating groove into which the linking projection is inserted so that the projection can change its position within the range is formed in the other valve; and auxiliary valve seat and main valve seat open independently in the upper portion of the casing or in the end of the passage.

REFERENCES:
patent: 4982757 (1991-01-01), Ohasi et al.
patent: 5044389 (1991-09-01), Gimby
patent: 5261439 (1993-11-01), Harris
patent: 5313978 (1994-05-01), Takaki et al.
patent: 5392804 (1995-02-01), Kondo et al.
patent: 5439023 (1995-08-01), Horikawa
patent: 5443561 (1995-08-01), Sakata et al.
patent: 5590697 (1997-01-01), Benjey et al.
patent: 5638856 (1997-06-01), Ohaski et al.

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