Throttle valve operating mechanism

Details Throttle valve operating mechanism Throttle valve operating mechanism

F - Mech Eng,Light,Heat,Weapons

02

M

123/85

F02M 19/12 (2006.01) F02D 11/08 (2006.01) F02D 35/00 (2006.01)

Patent

CA 1049350

Abstract of the Disclosure An internal combustion engine having at the intake system an electronically controlled carburetor with a throttle valve and in the exhaust system a three-way catalytic converter, the carburetor being operated in response to the composition of exhaust gases entering the three-way catalytic converter. A dashpot mechanism is connected to the throttle valve of the carburetor to damp the returning movement of the throttle valve. Furthermore, a throttle valve opening mechanism is provided to the carburetor to open slightly the throttle valve when a certain vacuum is created in the intake system downstream of the throttle valve. - 1 -

245412

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