Engine turbocharger with cartridge wastegate valve

Details Engine turbocharger with cartridge wastegate valve Engine turbocharger with cartridge wastegate valve

1979-01-18

1981-01-20

Koczo, Michael

Rotary kinetic fluid motors or pumps

Working fluid bypass

F01D 1700

Patent

active

042459532

ABSTRACT:
An engine turbocharger includes a turbine housing having wastegate passages integral therewith and a cartridge wastegate valve including a ported stationary bushing and a ported tubular valve member rotatable in the bushing to close or open wastegate flow. The arrangement provides simplicity of manufacture and installation as well as a self-cleaning valve design that is unbiased by exhaust gas pressures and thus requires a minimum of operating force.

REFERENCES:
patent: 2731792 (1956-01-01), Nallinger
patent: 3276466 (1966-10-01), Herbert
patent: 4120156 (1978-10-01), McInerney

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