Patent ID: 8056535
Filing Date: 2011-11-15
Classification: F02D

Abstract:
1. An intake control system for a general-purpose engine, comprising: a throttle body which includes an intake path, and which supports opposite end portions of a valve shaft of a throttle valve for opening and closing the intake path; a motor which is attached to a first side wall of the throttle body, and which drives the throttle valve to be opened and closed, the first side wall supporting one end portion of the valve shaft; a sensor unit which is attached to a second side wall of the throttle body, and which detects an opening degree of the throttle valve, the second side wall supporting the other end portion of the valve shaft; a fuel injection valve which is attached to a third side wall of the throttle body, and through which a fuel is injected into the intake path at a position downstream of the throttle valve, the third side wall integrally connecting one end portions of the first and second side walls to each other; and an electronic control unit which is attached to a fourth side wall of the throttle body, and which controls operations of the motor and the fuel injection valve in accordance with an inputted preset number of revolutions of the engine and a detection signal from the sensor unit, the fourth side wall integrally connecting the other end portions of the first and second side walls to each other, wherein the electronic control unit is connected to the motor, the fuel injection valve and the sensor unit with first, second and third conducting wires, respectively.