Rotary expansible chamber devices – Working member has planetary or planetating movement – Helical working member – e.g. – scroll
Patent
1995-07-24
1998-11-03
Freay, Charles G.
Rotary expansible chamber devices
Working member has planetary or planetating movement
Helical working member, e.g., scroll
418 57, F01C 102
Patent
active
058299599
ABSTRACT:
A scroll compressor with two scrolls including respective scroll wraps to form a compression chamber therebetween so that a volume of the compression chamber is decreased to compress a fluid therein by an orbital motion between the scrolls around an axis, has a frame supporting the scrolls thereon, a drawing force generator generating a drawing force urging axially one of the scrolls toward another one thereof, and a contacting force limiter bearing at least a part of the drawing force to prevent the at least a part of the drawing force from being born by a contact between the scrolls, when an axial distance between the scrolls is not more than a predetermined axial distance.
REFERENCES:
patent: 5059102 (1991-10-01), Tokumitsu et al.
patent: 5129798 (1992-07-01), Crum et al.
patent: 5277563 (1994-01-01), Wen-Jen et al.
patent: 5458471 (1995-10-01), Ni
patent: 5496161 (1996-03-01), Machida et al.
Kohsokabe Hirokatsu
Matsuo Kazuya
Sekigami Kazuo
Takebayashi Masahiro
Tsubono Isamu
Freay Charles G.
Hitachi , Ltd.
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