Scroll compressor including drive pin and roller assembly having

Details Scroll compressor including drive pin and roller assembly having Scroll compressor including drive pin and roller assembly having

1991-02-04

1992-04-14

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

418 556, 418 57, F04C 1804

Patent

active

051043025

ABSTRACT:
A swing-link radial compliance mechanism for scroll compressors which minimizes the damage and wear caused by chattering vibrations. The eccentric crankpin has a planar surface and a wedge is disposed in the bore of the roller, between the planar surface of the crankpin and the arc surface of the roller. The wedge has a flat surface for transferring chattering vibrations focused on an axial line of force to the planar surface of the crankpin. Also, an arcuate surface of the wedge engages the arc surface of the roller and allows for rocking movement of the wedge.

REFERENCES:
patent: 196732 (1877-10-01), Winkler
patent: 4609334 (1986-09-01), Muir et al.
patent: 4715796 (1987-12-01), Inaba et al.
patent: 4730998 (1988-03-01), Kakuda et al.
patent: 4764096 (1988-08-01), Sawai et al.
patent: 4767293 (1988-08-01), Caillat et al.
patent: 4808094 (1989-02-01), Sugimoto et al.
patent: 5011384 (1991-04-01), Grunwald et al.

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