Scroll compressor and method for manufacturing an oldham ring th

Details Scroll compressor and method for manufacturing an oldham ring th Scroll compressor and method for manufacturing an oldham ring th

1997-08-13

1999-08-03

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

29888022, 464102, F04C 1804, F16D 304

Patent

active

059316519

ABSTRACT:
A scroll compressor having an extended life due to the support structure for the orbiting scroll, even when using a chlorine-free substitution refrigerant. The support structure includes an Oldham ring for supporting an orbiting scroll so as to allow the orbiting scroll more orbiting motion without rotating about a fixing scroll. The Oldham ring is formed of a different material from both a fixing member and the orbiting scroll. Hence, if a boundary lubrication state occurs in mutually sliding parts, only sliding between different materials occurs, and mutual adhesion in the portion of the boundary lubrication state is avoided. As a result, the shortening of the life due to the wearing of the support structure of the orbiting scroll is prevented.

REFERENCES:
patent: 4944663 (1990-07-01), Iizuka et al.
patent: 5263834 (1993-11-01), Sato et al.
patent: 5356277 (1994-10-01), Yamaguchi et al.

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