Bearing device of sealed type scroll compressor

Details Bearing device of sealed type scroll compressor Bearing device of sealed type scroll compressor

1987-10-29

1990-06-19

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

418 94, F04C 1804, F04C 2902

Patent

active

RE0332364

ABSTRACT:
In a sealed type scroll compressor including an intermediate pressure chamber in which a pressure intermediate in magnitude between a discharge pressure and a suction pressure prevails, a bearing device including a roller bearing and a plain bearing mounted on a frame for supporting a shaft section of a crankshaft. To reduce application of unsymmetrical load to the bearings and prevent an increase in a bearing friction loss, the roller bearing is located in a position close to a crank section of the crankshaft and the plain bearing is located in a position remote from the crank section.

REFERENCES:
patent: 3560119 (1971-02-01), Busch et al.
patent: 4199308 (1980-04-01), McCullough
patent: 4396364 (1983-08-01), Tojo et al.
patent: 4415318 (1983-11-01), Butterworth
patent: 4462772 (1984-07-01), Hazaki et al.

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