Rotary expansible chamber devices – Working member has planetary or planetating movement – Plural working members or chambers
Reexamination Certificate
2006-09-05
2006-09-05
Trieu, Theresa (Department: 3748)
Rotary expansible chamber devices
Working member has planetary or planetating movement
Plural working members or chambers
C418S011000, C418S031000, C418S082000, C418S249000
Reexamination Certificate
active
07101161
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: 4743183 (1988-05-01), Irie et al.
patent: 5322424 (1994-06-01), Fujio
patent: 6824367 (2004-11-01), Matsumoto et al.
patent: 02294587 (1990-12-01), None
patent: 2000105006 (2000-04-01), None
Matsumoto Kenzo
Matsuura Dai
Saito Takayasu
Sato Kazuya
Tadano Masaya
Sanyo Electric Co,. Ltd.
Trieu Theresa
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