Patent ID: 7331326
Filing Date: 2008-02-19
Classification: F02D,F02M

Abstract:
1. A carburetor automatic control system for an engine, comprising: a choke valve disposed in an intake passage of a carburetor; a throttle valve disposed in said intake passage at a position downstream from said choke valve; a temperature-sensitive operating device operatively connected with said choke valve for operating said choke valve, wherein said choke valve is opened in correspondence with an increase in engine temperature; a governor operatively connected with said throttle valve for opening and closing said throttle valve to maintain a present rotational speed of the engine, wherein said governor includes, a relief mechanism interposed between said choke valve and said temperature-sensitive operating device, said relief mechanism opening said choke valve in response to an intake vacuum pressure within the intake passage of the engine, when the engine is in a cold state, and said choke valve is in a closed state.