Wastegate for a turbocharged internal combustion engine

Details Wastegate for a turbocharged internal combustion engine Wastegate for a turbocharged internal combustion engine

2005-12-20

2005-12-20

Trieu, Thai-Ba (Department: 3748)

Power plants

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

With supercharging means for engine

C251S298000

Reexamination Certificate

active

06976359

ABSTRACT:
A wastegate valve for a turbocharger that is separate from the turbocharger has an actuator mounted to a valve housing. The valve housing has a passage therethrough and a swing valve that opens and closes the passage. The swing valve has a pivot point that lies outside the path of the exhaust gases. The passage has a recess therein that receives a portion of the swing valve in its open position to improve the flow of exhaust gases through the passage. In an internal combustion engine system, the wastegate valve forms part of a bypass conduit that redirects a portion of the exhaust gases from an engine away from and past the turbocharger.

REFERENCES:
patent: 3119594 (1964-01-01), Heggem
patent: 3334858 (1967-08-01), Hay
patent: 4174091 (1979-11-01), Donahue et al.
patent: 4377070 (1983-03-01), Shadbourne
patent: 4490622 (1984-12-01), Osborn
patent: 4544326 (1985-10-01), Nishiguchi et al.
patent: 4637210 (1987-01-01), Yamamoto
patent: 4907952 (1990-03-01), Inoue et al.
patent: 5501427 (1996-03-01), Ando
patent: 6499299 (2002-12-01), Propernick

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