Scroll-compressor having flat driving surfaces

Details Scroll-compressor having flat driving surfaces Scroll-compressor having flat driving surfaces

1992-12-30

1994-03-22

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

418 556, 418 57, 418 94, 418182, 74570, 384906, 464132, F04C 1804, F04C 2902, F16C 2304, F16D 304

Patent

active

052958132

ABSTRACT:
A scroll machine has a drive that incorporates radial compliance. The radial compliance is achieved by having the crank pin drive a drive bushing via a flat surface on the crank pin which slidably engages a flat bearing insert disposed in the wall of a bore located in the drive bushing. The bore in the drive bushing is slightly oval in cross-sectional shape to permit relative sliding movement between the crank pin and the drive bushing.

REFERENCES:
patent: 1906142 (1933-04-01), Ekelof
patent: 4585403 (1986-04-01), Inaba et al.
patent: 4609334 (1986-09-01), Muir et al.
patent: 4743181 (1988-05-01), Murayama et al.

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