Throttle valve operating mechanism

Details Throttle valve operating mechanism Throttle valve operating mechanism

1976-02-05

1978-05-16

Gordon, Clarence R.

Internal-combustion engines

Poppet valve operating mechanism

Hydraulic system

123103E, F02D 3300

Patent

active

040893073

ABSTRACT:
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.

REFERENCES:
patent: 3556064 (1971-01-01), Date
patent: 3721222 (1973-03-01), Shioya
patent: 3768259 (1973-10-01), Carnahan
patent: 3805760 (1974-04-01), Yagi
patent: 3881685 (1975-05-01), Hase

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