Vacuum pump with a lubricant pump

Details Vacuum pump with a lubricant pump Vacuum pump with a lubricant pump

2011-06-14

2011-06-14

Davis, Mary A (Department: 3748)

Rotary expansible chamber devices

Heat exchange or non-working fluid lubricating or sealing

With pump for non-working fluid

C418S094000, C418S098000, C184S006160, C184S006280

Reexamination Certificate

active

07959423

ABSTRACT:
A vacuum pump includes a quick-rotatable component a bearing for supporting the quick-rotatable component and a lubricant pump for feeding lubricant to the bearing and having a rotor, with the bearing and the lubricant pump forming parts of a closed lubrication circuit having a hollow axle on which the rotor of the lubricant pump is rotatably supported.

REFERENCES:
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patent: 5256042 (1993-10-01), McCullough et al.
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patent: 5779005 (1998-07-01), Jones
patent: 6863493 (2005-03-01), Stones
patent: 7367429 (2008-05-01), Blecker
patent: 482 826 (1929-09-01), None
patent: 23 09 665 (1973-02-01), None
patent: 195 10 015 (1996-09-01), None
patent: 20 2006 019 334 (2007-04-01), None

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