Patent ID: 8219305

Claim:
An engine having an ignition system that generates an ignition signal, a piston, a rotating shaft that rotates in response to movement of the piston, and an automatic choke, the automatic choke comprising: a choke valve movable between a fully closed position and a fully open position; a temperature sensor configured to provide a temperature signal related to a temperature of the engine; a motor configured to be connected to the choke valve and to move the choke valve in response to a motor control signal; a controller electrically connected to the motor and to the temperature sensor, the controller including an electronic circuit having a memory, the controller being configured to generate the motor control signal to move the choke valve to a first position between the fully closed position and the fully open position, store position information related to the first position, store a flag associated with the first position, determine that the engine has stopped, determine that the engine has re-started, control the choke valve using the stored position information based on the flag and the determination that the engine has re-started.