Scroll compressor drive having a brake

Details Scroll compressor drive having a brake Scroll compressor drive having a brake

1995-03-09

1996-08-13

Freay, Charles

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

188 821, F01C 104

Patent

active

055450199

ABSTRACT:
Disclosed are several embodiments of a stopping device operable between the drive shaft and/or orbiting scroll of a scroll compressor and a fixed wall forming part of the compressor, for the purposes of automatically engaging the wall upon reverse operation of the compressor to thereby quickly stop such reverse operation. Damage to the compressor in the event of powered reverse is also prevented, either by permitting the machine to run free or by quickly stopping it. Also disclosed are several ways to facilitate start-up with weak motors.

REFERENCES:
patent: 4415318 (1983-11-01), Butterworth et al.
patent: 4522574 (1985-06-01), Arai et al.
patent: 4867282 (1989-09-01), Hartley
patent: 5108274 (1992-04-01), Kakuda et al.

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