Economizer/by-pass port inserts to control port size

Details Economizer/by-pass port inserts to control port size Economizer/by-pass port inserts to control port size

2006-09-05

2006-09-05

Jiang, Chen Wen (Department: 3744)

Refrigeration

Automatic control

Refrigeration producer

C062S228500, C418S039000, C418S055200

Reexamination Certificate

active

07100386

ABSTRACT:
Compressor performance is affected by the size of an economizer or by-pass port area. To achieve variation in size, an insert is inserted into an economizer and/or unloader flow passage to provide a desired port area. The insert may be selected from a number of available insert sizes having different sized openings. In this way, a compressor designer can minimize machining time by keeping same flow passage geometry for different compressor sizes and applications.

REFERENCES:
patent: 5474431 (1995-12-01), Fairbanks
patent: 5582511 (1996-12-01), Fairbanks
patent: 5996364 (1999-12-01), Lifson et al.
patent: 6142753 (2000-11-01), Bush
patent: 6293767 (2001-09-01), Bass

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