Rotary expansible chamber devices – Working member has planetary or planetating movement – Helical working member – e.g. – scroll
Patent
1992-08-10
1994-01-11
Vrablik, John J.
Rotary expansible chamber devices
Working member has planetary or planetating movement
Helical working member, e.g., scroll
418 57, F04C 1804, F04C 2700
Patent
active
052775631
ABSTRACT:
A scroll compressor has a stationary scroll member and an orbiting scroll member which moves around the stationary scroll member to consecutively compress working fluid. A piston is provided to urge the orbiting scroll member to come close to the stationary scroll member. The piston is driven to urge the orbiting scroll member by compressed working fluid which is guided to enter an annular chamber communicating with compressed working fluid or working fluid being compressed. By this arrangement, the mechanical efficiency of the scroll compressor will be enhanced, and mixing of working fluid and lubricant is able to be reduced. Furthermore, the wobbling of the orbiting scroll member will also be diminished.
Chih-Cheng Yang
Lung-Tsai Chang
Wen-Ding Tseng
Wen-Jen Kuo
Bednarek Michael D.
Industrial Technology Research Institute
Vrablik John J.
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