High-pressure ratio turbocharger

Details High-pressure ratio turbocharger High-pressure ratio turbocharger

2005-07-26

2005-07-26

Trieu, Thai-Ba (Department: 3748)

Power plants

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

With supercharging means for engine

C060S605100, C415S173100, C415S170100, C415S206000, C415S102000

Reexamination Certificate

active

06920754

ABSTRACT:
A high-pressure ratio turbocharger of this invention has a two-stage compressor section comprising a first-stage compressor impeller rotatably disposed in a first compressor housing, and a second-stage compressor impeller rotatably disposed in a second-stage compressor housing. The first and second stage compressor impellers are attached to a common shaft, and are positioned within respective compressor housing in a direction facing away from one another. A portion of the second-stage compressor housing is formed from a compressor backplate attached to a turbocharger center housing. A scroll seal is disposed between the first and second-stage compressor housings, and is interposed between the impellers to separate outlet air flow between each respective first and second-stage compressor chamber.

REFERENCES:
patent: 1105967 (1914-08-01), Davidson
patent: 1163778 (1915-12-01), Scheurmann
patent: 2944785 (1960-07-01), Sampietro
patent: 3173241 (1965-03-01), Birmann
patent: 3175756 (1965-03-01), Freevol
patent: 6062028 (2000-05-01), Arnold et al.
patent: 05106459 (1993-04-01), None

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