Scroll compressor with canted drive busing surface

Details Scroll compressor with canted drive busing surface Scroll compressor with canted drive busing surface

1987-11-20

1989-06-06

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

418 57, 418182, 384271, 384447, 464112, 464132, F01C 104, F01C 1706, F16C 1102, F16C 2502

Patent

active

048367583

ABSTRACT:
A scroll machine having an eccentric crank pin on a cranshaft disposed nonrotatably in the bore of a drive busing for driving the orbiting scroll of the compressor. A flat on the crank pin drivingly engages a flat in the bore, one flat being at an acute angle to the normal cranksahft axis so that when the crankshaft deflects under normal loads the flats come into better contact with one another to reduce unwanted wear. Several other embodiments are also disclosed.

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patent: 4640630 (1987-02-01), Yoshioka et al.
patent: 5645430 (1987-02-01), Carleton

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