Scroll compressor with discharge diffuser

Details Scroll compressor with discharge diffuser Scroll compressor with discharge diffuser

1992-07-13

1994-08-30

Vrablik, John J.

Rotary expansible chamber devices

With plural working fluid inlet or outlet passages

418 551, 418 552, F04C 1804

Patent

active

053421833

ABSTRACT:
A scroll-type compressor is disclosed having a discharge diffuser for improving the efficiency of the compressor, especially at off-design, high pressure ratio operating conditions. The diffuser allows fluid pressure recovery and consequently results in an efficient discharge process using a relatively small discharge port. It also reduces compression losses by reducing gas transport in the reverse flow direction.

REFERENCES:
patent: 4082484 (1978-04-01), McCullough
patent: 4469126 (1984-09-01), Simpson
patent: 4494914 (1985-01-01), Shiibayashi
patent: 4767293 (1988-08-01), Caillat et al.
Fox and McDonald, Introduction to Fluid Mechanics, 3d Ed., 222, 368-69, 382-84, 596-99, 611-17, New York (1985).

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