Scroll type compressor having an abrasion-resistant means betwee

Details Scroll type compressor having an abrasion-resistant means betwee Scroll type compressor having an abrasion-resistant means betwee

1999-05-17

2000-09-12

Denion, Thomas

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

418 551, 418178, F01C 102

Patent

active

061168769

ABSTRACT:
A fixed scroll (16) and a movable scroll (18) cooperatively define compressing chambers therebetween. The movable scroll is driven by a crank pin (12) eccentrically attached to a shaft (11) which is rotated by an external driving source. A surface treatment for abrasion resistance is applied to at least one of an end surface of the crank pin and a confronting end plate of the movable scroll. It may also be arranged that an abrasion-resistant plate is interposed between the end surface of the crank pin and the confronting end plate of the movable scroll.

REFERENCES:
patent: 4435137 (1984-03-01), Terauchi
patent: 4457676 (1984-07-01), Hiraga
patent: 5201646 (1993-04-01), Dees et al.
patent: 5277564 (1994-01-01), Tamura et al.
European Search Report, Issued Aug. 2, 1999.

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