Apparatus for controlling the flow of exhaust gas in an internal

Details Apparatus for controlling the flow of exhaust gas in an internal Apparatus for controlling the flow of exhaust gas in an internal

1982-05-04

1984-03-20

Koczo, Michael

Power plants

Fluid motor means driven by waste heat or by exhaust energy...

With supercharging means for engine

60280, F01N 504, F02B 3700

Patent

active

044373112

ABSTRACT:
An apparatus for controlling the flow of the exhaust gas in an internal combustion engine including a turbocharger, a catalytic converter in an exhaust duct, and a throttle valve in an intake duct, wherein the apparatus comprises a bypass passage bypassing a turbine of the turbocharger, a waste gate valve which controls the amount of the exhaust gas passing therethrough, an actuator for actuating the waste gate valve which has first and second pressure chambers separated from one another, and a switching valve which selectively connects the second pressure chamber to the atmosphere or to the intake vacuum area, the first pressure chamber being connected to the delivery pressure area of the turbocharger by means of a conduit which is connected to an atmospheric pressure area via a restriction.

REFERENCES:
patent: 4197711 (1980-04-01), Fuhrmann et al.
patent: 4235076 (1980-11-01), Meloche et al.
patent: 4244187 (1981-01-01), Lane et al.

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