Method and apparatus for fuel recovery in internal combustion en

Details Method and apparatus for fuel recovery in internal combustion en Method and apparatus for fuel recovery in internal combustion en

1976-01-28

1977-12-20

Hart, Douglas

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

123DIG2, 261 55, 261DIG21, F02M 3302

Patent

active

040635406

ABSTRACT:
Apparatus and method for recovering fuel from the induction system of an internal combustion engine having a carburetor, comprising one or a plurality of collectors along the fuel path between the carburetor throttle valve and the inlet valves of the engine, the collectors being in the form of annular recesses in the walls of the ducts, which recesses act to trap fuel which flows back as a liquid condensed onto the inlet manifold pipes as a reaction to the closure of the associated inlet valve of the engine. Each collector is connected by a drainage systems of conduits via expansion tanks and a pump, to the petrol tank of the engine and/or to the inlet to the carburetor whereby fuel which condenses prior to being drawn into the engine can be recycled for vaporization thereby avoiding its entry into the engine as a liquid.

REFERENCES:
patent: 1147644 (1915-07-01), Reichenbach
patent: 2098391 (1937-11-01), Irvin
patent: 3186390 (1965-06-01), Galic

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