Scroll compressor having oil bores formed through the crank shaf

Details Scroll compressor having oil bores formed through the crank shaf Scroll compressor having oil bores formed through the crank shaf

1997-02-26

1999-03-23

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

418 88, 418 94, 184 618, F04C 1804, F04C 2902

Patent

active

058850660

ABSTRACT:
In a scroll compressor, a gas purge bore is formed to extend from an oil bore penetrating a drive shaft of the compressor, causing coolant gas to be expelled out with rising of lubricating oil sucked up by an oil pump through the oil bore. This allows the lubricating oil to rise without undergoing resistance of the coolant gas. By positioning the oil bore close to an oil groove formed in an eccentric bearing, the lubricating oil can be surely supplied to the oil groove.

REFERENCES:
patent: 5533875 (1996-07-01), Crum et al.

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