Internal-combustion engines – Engine speed regulator – Specific throttle valve structure
Patent
1999-03-16
2000-06-20
Yuen, Henry C.
Internal-combustion engines
Engine speed regulator
Specific throttle valve structure
123590, 123306, 251305, F02D 908
Patent
active
060764996
ABSTRACT:
In an air intake system of a multi-cylinder internal combustion engine with exhaust gas recirculation, particularly a Diesel engine, including an intake duct with a throttle valve wherein the intake duct is connected to an intake manifold of the engine and an exhaust gas recirculation conduit is connected to the intake duct downstream of the throttle valve, the throttle valve includes a valve member provided with a turbulence plate which has a diameter smaller than the valve member and extends normal to the valve member, and the valve member has passages and the turbulence member has holes for generating turbulence in the intake duct downstream of the throttle valve.
REFERENCES:
patent: 4438745 (1984-03-01), Watanabe
patent: 4672940 (1987-06-01), Nakayama et al.
patent: 4969354 (1990-11-01), Kosuda et al.
patent: 5924398 (1999-07-01), Choi
Bach Klaus J.
Daimler-Chrysler AG
Vo Hien T.
Yuen Henry C.
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