Carburetor cold engine fuel enrichment system

Details Carburetor cold engine fuel enrichment system Carburetor cold engine fuel enrichment system

1974-08-05

1976-01-27

Miles, Tim R.

Gas and liquid contact apparatus

Fluid distribution

Valved

261 44R, 261 50A, 261 50AA, 261DIG56, F02M 106

Patent

active

039352900

ABSTRACT:
A variable area venturi carburetor has the cold engine cranking and running circuits integrated with the venturi valve circuit, to simplify the construction as compared to known carburetors of this type in which the circuits are independent, the integration being provided by an articulated linkage moving the venturi valve in response to engine manifold vacuum changes, the carburetor having an auxiliary air and fuel passage also controlled by manifold vacuum during cold engine operation to provide controlled air and the extra fuel required for cold cranking and running, and shutting down of the extra fuel supply and opening the air supply when the engine reaches the normal operating temperature.

REFERENCES:
patent: 2074471 (1937-03-01), Holley et al.
patent: 2084489 (1937-06-01), Hess
patent: 2098202 (1937-11-01), Weber
patent: 2264996 (1941-12-01), Messinger, Jr.
patent: 3272487 (1966-09-01), Cook et al.
patent: 3273871 (1966-09-01), Winkler
patent: 3278171 (1966-10-01), Carlson
patent: 3351327 (1967-11-01), Simonet et al.

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