Carburetor cranking fuel flow rate control

Details Carburetor cranking fuel flow rate control Carburetor cranking fuel flow rate control

F - Mech Eng,Light,Heat,Weapons

02

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123/54, 123/56

F02M 1/16 (2006.01) F02M 1/04 (2006.01) F02M 1/10 (2006.01) F02M 9/10 (2006.01)

Patent

CA 1036441

ABSTRACT OF THE DISCLOSURE A carburetor has a supplemental fuel supply system for adding extra fuel to the carburetor during cold engine cranking to satisfy the richness requirement at this time. The extra fuel is supplied by a connection to a fuel reservoir past first, a flow rate control valve, and second, past a solenoid controlled valve that opens in response to dosing of the engine starter relay to permit the induction of the extra fuel during engine cranking. A temperature responsive member is included to break the circuit above say 125°F., for example, to the solenoid. The flow rate control valve is moved by a temperature responsive element to progressively restrict or unblock the fuel passage entrance, thereby varying the rate of flow with temperature changes.

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