Rotary compressor, method for manufacturing the same, and...

Details Rotary compressor, method for manufacturing the same, and... Rotary compressor, method for manufacturing the same, and...

2005-05-17

2005-05-17

Jimenez, Marc (Department: 3726)

Metal working

Method of mechanical manufacture

Prime mover or fluid pump making

C418S080000, C418S011000, C418S039000

Reexamination Certificate

active

06892454

ABSTRACT:
A method for manufacturing a multi-stage compression type rotary compressor which avoids the replacement of parts to be used as much as possible to reduce costs and also which enables easily setting an appropriate displacement volume ratio between first and second rotary compression elements without increasing the size of the compressor outer housing. This is done by altering the inner diameter of the cylinder of one of the rotary compression elements without altering the thickness (or height) of this cylinder to set a displacement volume ratio between the first and second rotary compression elements to an optimum value in accordance with the alteration.

REFERENCES:
patent: 3130902 (1964-04-01), Brown
patent: 5322424 (1994-06-01), Fujio
patent: 20040071576 (2004-04-01), Matsumoto et al.
patent: 60-128990 (1985-07-01), None
patent: 1-247785 (1989-10-01), None
patent: 11-294877 (1999-10-01), None
patent: 2002-107027 (2002-04-01), None

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