Compressor with motor

Details Compressor with motor Compressor with motor

1999-06-04

2000-12-12

Walberg, Teresa

Pumps

Motor driven

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

418 556, F04B 1700, F01C 102

Patent

active

061589802

ABSTRACT:
Lubricant oil, separated from compressed fluid and stored in an oil storage chamber formed beneath a motor, is introduced via an internal oil supply passage to an attachment groove formed for installing a main bearing. The lubricant oil passes through the main bearing, and flows toward a compressor. The lubricant oil is also supplied to an oil supply hole formed inside a rotation shaft of the motor via lubricant oil grooves, and lubricates and cools a needle bearing. Accordingly, axial length of housing protruding portion is reduced, and thereby reducing an entire axial length of the electrically-driven compressor apparatus.

REFERENCES:
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patent: 5591018 (1997-01-01), Takeuchi et al.
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patent: 6042346 (2000-03-01), Doi
patent: 6050794 (2000-04-01), Noboru et al.
patent: 6059540 (2000-05-01), Ni
patent: 6062834 (2000-05-01), Masumoto et al.

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