An automatic choke apparatus for a carburetor includes an electric actuator, a choke valve opening/closing mechanism (19) configured to open and close a choke valve (14) by being driven by a power exerted by the electric actuator (17), and a controller (48...

A carburetor choke valve electronic control system includes: a transmission device (24) coupled to a choke valve (7) for opening and closing an intake path of a carburetor (C); an electric motor (20) for driving the choke valve to be opened and closed via ...

A choke valve is controlled finely suited to the running state of an engine. A throttle valve (8) and a choke valve (9) are provided in series on an intake pipe (6), and the opening degree of the choke valve (9) is controlled by a stepping motor. The choke...

An engine starting system for an internal combustion engine. The starting system includes a starter switch electrically connected between a battery and a starter motor for the engine, and a choke valve disposed in an air intake of an air/fuel-mixing device...