Vapor fuel control apparatus

Details Vapor fuel control apparatus Vapor fuel control apparatus

1974-10-24

1976-07-27

Schwadron, Martin P.

Fluid handling

Line condition change responsive valves

Bi-directional flow valves

F16K 1726

Patent

active

039714063

ABSTRACT:
A vapor fuel control apparatus adapted to be connected between a gasoline tank and a filter-supporting canister of a fuel supply system to an engine, comprising a main body, first valve means movably disposed within the main body and forming a first valve member therewith, second valve means movably disposed within the first valve means and forming a second valve member therewith, first spring means interposed between the main body and the first valve means urging said first valve means to move in one direction, and second spring means interposed between the first valve means and the second valve means urging said second valve means to move in the opposite direction, and both of first and second spring means holding the closing states of the first and second valve means at respective preset values.

REFERENCES:
patent: 2191636 (1940-02-01), Walker
patent: 3061138 (1962-10-01), Edelmann et al.
patent: 3108610 (1963-10-01), DeSee
patent: 3831801 (1974-08-01), Rodgers

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