Automatic choke apparatus for carburetor

An automatic choke apparatus for a carburetor, comprising:

• an electric actuator;
• a choke valve opening/closing mechanism configured to open and close a choke valve by being driven by a power exerted by the electric actuator;
• and
• a controller configured to control operation of the electric actuator,
• wherein
• the automatic choke apparatus further comprises a battery configured to supply electric power to the controller and the electric actuator,
• the controller operates the electric actuator and the choke valve opening/closing mechanism in order that:
• the choke valve is set in a semi-opened position when an engine is stopped;
• and the choke valve is set in a fully-closed position when the engine starts to be cranked,
• the automatic choke apparatus further comprises a throttle valve opening/closing mechanism configured to open and close a throttle valve in accordance with operation of the electric actuator, and provided between the electric actuator and the throttle valve,
• the choke valve opening/closing mechanism includes, as one component, a cam provided to an operation member constituting a part of the throttle valve opening/closing mechanism, and disposed between the operation member and the choke valve, and
• the cam is formed in order that while the engine is being warmed up, the choke valve is operated between the fully-closed position and the semi-opened position in accordance with an opening degree of the throttle valve.