Rotary expansible chamber devices – Working member has planetary or planetating movement – Helical working member – e.g. – scroll
Patent
1997-06-11
1998-09-29
Vrablik, John J.
Rotary expansible chamber devices
Working member has planetary or planetating movement
Helical working member, e.g., scroll
464102, F01C 104, F16D 304
Patent
active
058138439
ABSTRACT:
In the scroll-type fluidic machine according to the present invention, a slider is slidably disposed between a casing and a rear surface of a orbiting scroll member, and a sliding movement of the slider relative to the casing and the orbiting scroll member is regulated to two (X-axis and Y-axis) directions by means of X-axis and Y-axis guides. Balls received in through holes of the slider are formed from material harder than that of the slider and are rollingly contacted with a slide surface of a flange portion of the casing and a slide surface of a rear plate of the orbiting scroll member. The through holes are filled with grease. The balls are adapted to roll smoothly, thereby greatly decreasing frictional resistance between surfaces of the slider and the slide surfaces of the casing and the orbiting scroll member.
REFERENCES:
patent: 4325683 (1982-04-01), Miyazawa
patent: 4406600 (1983-09-01), Terauchi et al.
Kobayashi Yoshio
Komai Yuji
Mihara Hiroyuki
Suefuji Kazutaka
Suzuki Toshitugu
Tokico Ltd.
Vrablik John J.
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