Scroll compressor with balancer mounted in single frame

Details Scroll compressor with balancer mounted in single frame Scroll compressor with balancer mounted in single frame

1987-06-19

1988-08-09

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

418151, 291564R, F04C 1804, F04C 2900

Patent

active

047624787

ABSTRACT:
A scroll compressor is disclosed. A first main bearing and a second main bearing is coaxially formed on the sole frame but a balancer can be easily attached to a drive shaft by forming a space and an opening in the frame of the scroll compressor. The balancer is inserted through the opening formed in the periphery of the frame. One end of the drive shaft is inserted in the hole of the balancer and the first and second main bearings. The drive shaft and the balancer are fixed by suitable fixing means, so that the drive shaft is rotatably supported by the first and second main bearings, and the balancer can be rotated together with the drive shaft. Accordingly, since the frame of this invention has a single, integral frame structure, it is possible to coaxially form the first main bearing and the second main bearing, both of which are mounted on the frame.

REFERENCES:
patent: 4065279 (1977-12-01), McCullough
patent: 4621993 (1986-11-01), Nakamura et al.

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