Fuel filter and roll-over valve

Details Fuel filter and roll-over valve Fuel filter and roll-over valve

1975-08-15

1977-03-15

Husar, C. J.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

123198DB, 137469, 180104, F02M 5946, F16K 1736, B60K 2800

Patent

active

040118487

ABSTRACT:
A fuel supply line for an automobile engine extends from a fuel tank to a carburetor and contains an engine driven fuel pump and a poppet type flow check or roll-over valve downstream of the pump, which valve is normally held open by comparatively low pump pressure. If the engine stalls, as for example in the event of a collision or automobile roll-over, the pump will stop operating and the valve will be positively closed by a spring to prevent fuel leaking from the tank. The valve will not re-open until subjected to comparatively high pump pressure upon restarting of the engine.

REFERENCES:
patent: 151027 (1874-05-01), Hodgins
patent: 2727529 (1955-12-01), Kodet
patent: 2817356 (1957-12-01), Glass et al.
patent: 3368538 (1968-02-01), Pauli et al.
patent: 3417768 (1968-12-01), Wasson
patent: 3730159 (1973-05-01), Sallot
patent: 3910301 (1975-10-01), Kuss

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