Vacuum pump

Details Vacuum pump Vacuum pump

2007-04-24

2007-04-24

Gartenberg, Ehud (Department: 3746)

Pumps

Condition responsive control of drive transmission or pump...

Adjustable cam or linkage

C417S310000

Reexamination Certificate

active

10499369

ABSTRACT:
A rotating vane vacuum pump has a secondary inlet (4) which permits additional suction after the primary inlet (3) has closed.

REFERENCES:
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patent: 1-224490 (1989-09-01), None
patent: 2-191896 (1990-07-01), None
patent: 3-61691 (1991-03-01), None
patent: 3-185290 (1991-08-01), None
International Search Report Dated Mar. 25, 2003.

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