Bryan K. Gangler - Unionville MI, US Donald W. Warner - Cass City MI, US
Assignee:
Walbro Engine Management, L.L.C. - Tucson AZ
International Classification:
F02M001/14
US Classification:
261 643, 261 392, 261 644, 261 646
Abstract:
A self-relieving choke valve system for a carburetor of a combustion engine automatically opens a choke valve after a successful engine start up and permits the choke valve to automatically close when the engine is shut down. The self-relieving choke valve system is preferably passive in nature and preferably self contained to the carburetor. It has a vacuum motor which preferably receives a vacuum signal from a vacuum source derived from the operating engine to open the choke valve. A lost motion linkage of the self-relieving choke valve system permits the choke valve to fluctuate between a closed position and a slightly open engine start up position without any intervention by the vacuum motor while the engine is being started.
Bryan Gangler - Unionville MI, US Albert Haas - Cass City MI, US
International Classification:
F02M005/12
US Classification:
261/070000
Abstract:
A fuel removal system for a carburetor with a float bowl carried by a body having a channel extending from the float bowl to the exterior of the carburetor body. An outlet tube is positioned within the channel and is movable from a first position wherein liquid fuel can be removed from the fuel bowl to the exterior of the body, and a second position wherein the outlet tube does not communicate with the float bowl.
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