Compressor motor-end bearing having oil leakage path

Details Compressor motor-end bearing having oil leakage path Compressor motor-end bearing having oil leakage path

2007-06-12

2007-06-12

Stashick, Anthony (Department: 3746)

Pumps

Motor driven

Including means utilizing pump fluid for augmenting cooling,...

C417S366000

Reexamination Certificate

active

10728309

ABSTRACT:
A compressor includes a motor having a rotor for driving a shaft, to drive compressor pistons. A lubricant supply system supplies lubrication to the moving elements within the compressor and motor. A suction fluid to be compressed passes over the motor on its way to the compression chambers. The oil is returned from a bearing mounting an end of the shaft intermediate the motor rotor and the compressor pistons. The bearing mount ensures that the lubricant is returned away from the motor rotor, to reduce the amount of oil that is entrained in the fluid to be compressed.

REFERENCES:
patent: 6386840 (2002-05-01), Williams et al.

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