Vacuum pump having rotation body cleaning unit with spraying...

Details Vacuum pump having rotation body cleaning unit with spraying... Vacuum pump having rotation body cleaning unit with spraying...

2008-03-17

2011-12-27

Trieu, Theresa (Department: 3748)

Rotary expansible chamber devices

Multistage

Interengaging rotary members

C418S005000, C418S007000, C418S206100, C418S206800

Reexamination Certificate

active

08083507

ABSTRACT:
Provided is a vacuum pump having a rotation body cleaning unit. The vacuum pump includes a case provided with rotation guide holes at opposite end parts. The case includes a rotation body placed inside the case and including a rotation shaft having opposite ends rotatably supported by the rotation guide holes and a number of lobes provided in the rotation shaft at predetermined intervals. Further, a cleaning part is supported by the case and placed in a space between the lobes and cleans the rotation body.

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English language abstract of Japanese Publication No. 2001-25.
English language abstract of Japanese Publication No. 2005-171766.
English language abstract of Korean Publication No. 10-2006-0009907.

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