Device for controlling choke valve of carburetor

Details Device for controlling choke valve of carburetor Device for controlling choke valve of carburetor

F - Mech Eng,Light,Heat,Weapons

02

M

F02M 1/02 (2006.01) F02D 9/02 (2006.01) F02D 9/08 (2006.01) F02M 1/10 (2006.01)

Patent

CA 2499157

A device for controlling a choke valve of a carburetor for an engine, includes a choke closed state hold device for holding, in a closing position, a choke lever connected to the choke valve of a carburetor and urged by a spring in a direction for opening the choke valve, when the choke lever is turned to the closing position, the choke closed-state hold device releasing the choke lever from the held state by a throttle operation of the carburetor after a start of the engine. The choke closed state hold device includes a lock arm provided continuously with a throttle lever and a locked arm provided continuously with the choke lever, the lock arm and the locked arm elastically surmounting each other when the choke lever is turned to the closing position in a state where the throttle lever is in the opening position corresponding to a full open position of the throttle valve, so that the lock arm prevents the locked arm from turning back. Thus, the choke closed sate hold device is constituted only by the lock arm and the locked arm respectively provided continuously with the throttle lever and the choke lever, and there is no need for a lock lever specially supported axially on the carburetor as in the conventional arrangement. Therefore, the number of components is reduced, and the construction is simplified, so that the manufacturing cost of the choke valve control device can be reduced.

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