Controlled pollution control valve by-pass device for carbureted

Details Controlled pollution control valve by-pass device for carbureted Controlled pollution control valve by-pass device for carbureted

1980-06-09

1982-05-18

Lazarus, Ronald H.

Internal-combustion engines

Charge forming device

Crankcase vapor used with combustible mixture

123574, F02M 2506

Patent

active

043299660

ABSTRACT:
A fuel saving device for a carbureted engine having a pollution control valve comprising a by-pass duct adapted to convey gases from the crankcase around the pollution control valve directly to the carburetor and a valve in the duct controlled by the manifold vacuum to open the valve at lower pressure in the manifold and close it at less depressed pressures.

REFERENCES:
patent: 2818052 (1957-12-01), Trainer
patent: 2906252 (1959-09-01), Beardsley
patent: 3123060 (1964-03-01), Daigh
patent: 3241535 (1966-03-01), Drysdale

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