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...

2005-12-13

2005-12-13

Trieu, Theresa (Department: 3748)

Rotary expansible chamber devices

Working member has planetary or planetating movement

Plural working members or chambers

C418S011000, C418S031000, C418S249000

Reexamination Certificate

active

06974314

ABSTRACT:
An object of the present invention is to provide a method for manufacturing a multi-stage compression type rotary compressor which can avoid 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 while preventing the compressor from being increased in size. The gist of the present invention is that an inner diameter of a lower cylinder is altered without altering its thickness (or height), and a displacement volume ratio between first and second rotary compression elements is set to an optimum value in accordance with the alteration.

REFERENCES:
patent: 2020987 (1935-11-01), Ayres
patent: 3130902 (1964-04-01), Brown
patent: 4636154 (1987-01-01), Sugiyama et al.
patent: 4990073 (1991-02-01), Kudo et al.
patent: 5242280 (1993-09-01), Fujio
patent: 6270329 (2001-08-01), Oshima et al.

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