Scroll type compressor

Details Scroll type compressor Scroll type compressor

1998-08-21

2000-09-19

Denion, Thomas

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

418 552, 418 1, F04C 1800

Patent

active

06120269&

ABSTRACT:
This invention provides a scroll type compressor employing an Oldham coupling producing little vibration or noise and in which components thereof are easy to produce by means of a lathe. The Oldham coupling blocks a rotation of a movable scroll member 4. A direction of a reciprocation of the Oldham coupling 16 coincides with a minor axis of an elliptic circulating orbit of the movable scroll member 4. When a total mass of the movable scroll member 4 and parts circulating elliptically together therewith is ma, a mass of an Oldham ring 16 is mb, a radius of a minor axis of an elliptic circulating orbit is R.sub.Y and a radius of a major axis of the elliptic circulating orbit is R.sub.X, a relation of R.sub.X =(1+mb/ma)R.sub.Y is established.

REFERENCES:
patent: 5141417 (1992-08-01), Bush
patent: 5188521 (1993-02-01), Kawahara et al.
patent: 5281114 (1994-01-01), Bush
patent: 5547353 (1996-08-01), Yamaguchi et al.
patent: 5775893 (1998-07-01), Takao et al.

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