REGLERANORDNING VID UTOMBORDSMOTOR

摘要

The carburetor throttle valve of an internal combustion engine is set in timed relation to a timing control coil by a T-shaped throttle control lever coupled to an external throttle operator and a timing control lever resiliently coupled to the throttle control lever. The two control levers are pivotally mounted on a common pivot pin secured to the engine block. The T-shaped throttle lever is pivotally mounted at the center of the cross-bar with a pair of throttle control cables secured to the opposite ends and to an external throttle control. The stem of the lever projects outwardly toward the carburetor valve input element. A cam member includes a slotted and clamp screw connection to one side of the stem to permit adjustment of the cam member along the length of the stem. A guide wal is coupled to the other side of the stem by a T-shaped stem and groove. The cam member has a first flat cam surface spaced from the valve pin at idle and an angular oriented second surface to provide an amplified throttle movement after a timing advance limit is reached. The timing lever extends across the cross-bar of the throttle lever with a hook end extended outwardly in laterally spaced relation to the stem. A coil spring connects the hook end to the stem portion. The opposite end of the timing lever is adjustably secured to the timing rod for positioning a firing coil of a capacitor discharge ignition system. A stop screw on the timing lever limits the advance firing position of the coil. The initial rotation of the throttle control lever rotates the timing lever means to TDC and the throttle lever to just engage the valve input. Rotation of the throttle lever for a relatively small angle then simultaneously rapidly advances the timing and slowly opens the throttle after which the timing lever engages the stop means and the throttle is advanced with fixed timing.