Gas friction vacuum pump having at least three differently configured pump stages releasably connected together

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United States of America Patent

PATENT NO 5553998
SERIAL NO

08338452

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Abstract

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The invention relates to a gas friction vacuum pump having at least two differently configured pump stages each having a rotor section and a housing section. In order to adapt the pump to different applications, the pump stages are detachably connected with each other so that different inlet stages can be mounted on the high-vacuum side.

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Patent Owner(s)

Patent OwnerAddress
LEYBOLD AGWILHELM-ROHN-STRASSE 25 W-6450 HANAU

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fleischmann, Frank Bergheim-Glessen, DE 7 79
Kabelitz, Hans-Peter Koln, DE 17 240
Kriechel, Hans Bornheim, DE 5 62
Muhlhoff, Martin Los Gatos, CA 4 60

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