F - Mech Eng,Light,Heat,Weapons – 02 – M
Patent
F - Mech Eng,Light,Heat,Weapons
02
M
123/98.05
F02M 25/06 (2006.01) F02M 25/07 (2006.01) F02D 9/02 (2006.01)
Patent
CA 1056673
EXHAUST GAS RECIRCULATION SYSTEM ABSTRACT OF THE DISCLOSURE An exhaust gas recirculation system comprising an exhaust gas recirculation passage means between an exhaust gas passage and an intake passage, first and second flow control valves provided in the recirculation passage means in parallel relationship with each other for regulating flows of the exhaust gas in response to two kinds of vacuum having different characteristics, and a third flow control valve provided in the recirculation passage means in series with said first and second valves for regulating a flow of the gas in response to opening of a throttle valve of a carburetor, thereby obtaining the appropriate amount of exhaust gas recirculation in light and medium loaded driving ranges.
279842
Nakagami Tatsuro
Tsukamoto Yutaka
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