Gas and liquid contact apparatus – Fluid distribution – Valved
Reexamination Certificate
2005-02-08
2005-02-08
Chiesa, Richard L. (Department: 1724)
Gas and liquid contact apparatus
Fluid distribution
Valved
C261S039200, C261S064400, C261S064600
Reexamination Certificate
active
06851664
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.
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Gangler Bryan K.
Warner Donald W.
Chiesa Richard L.
Reising Ethington Barnes Kisselle P.C.
Walbro Engine Management , L.L.C.
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