Scroll compressor bearing lubrication

Details Scroll compressor bearing lubrication Scroll compressor bearing lubrication

1998-02-25

2000-07-04

Fenstermacher, David M.

Lubrication

Lubricators

Liquefiers

184 616, 384102, 384290, 384624, 417DIG1, 418 556, 298981, F16N 1500

Patent

active

060824956

ABSTRACT:
A scroll-type machine is disclosed which incorporates a lubricant impregnated drive bushing. The lubricant utilized for the impregnation process will preferably be of a type which is insoluble in the fluid being handled by the scroll-type machine, will remain trapped in the pores of the drive bushing under normal operating temperatures as well as any temperatures encountered during manufacturing processes to which the assembled compressor may be subjected yet will wick out of the bushing when its temperature increases such as may occur when insufficient lubricant is being supplied thereto by the normal lubrication system.

REFERENCES:
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patent: 4657687 (1987-04-01), Caporiccio et al.
patent: 4674164 (1987-06-01), McCloskey
patent: 4958993 (1990-09-01), Fujio
patent: 5364248 (1994-11-01), Nakashima
patent: 5490730 (1996-02-01), Akita et al.
patent: 5511959 (1996-04-01), Tojo et al.
patent: 5584678 (1996-12-01), Hirooka et al.
V. D'agostino et al., Tribological behaviour of sintered iron bearings self-lubricated with PFPE under severe operating conditions, Apr., 1998, vol. 21, No. 2, pp. 105-110.

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