Patent ID: 7246794
Filing Date: 2007-07-24
Classification: F02M

Abstract:
1. A carburetor throttle valve control system for controlling the throttle valve of an engine carburetor, said throttle valve control system comprising: a throttle lever for opening and closing the throttle valve; a governor system coupled to the throttle lever, the governor system including: a choke valve on the carburetor; a choke lever; a choke return spring connected to the choke lever for opening and closing the choke valve, the choke return spring urging the choke lever towards the choke valve closing side; and throttle valve closure restricting means operatively coupled between the throttle lever and the choke lever, wherein during warm-up of the engine, the throttle valve closure restricting means restricts the choke lever closing of the throttle valve when the spring force of the governor spring is adjusted to zero or a minimum by the output control member.