05553998 is referenced by 19 patents and cites 13 patents.

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.

Title
Gas friction vacuum pump having at least three differently configured pump stages releasably connected together
Application Number
8/338452
Publication Number
5553998
Application Date
November 16, 1994
Publication Date
September 10, 1996
Inventor
Hans Peter Kabelitz
Koln
DE
Frank Fleischmann
Bergheim-Glessen
DE
Hans Kriechel
Bornheim
DE
Martin Muhlhoff
Los Gatos
CA, US
Assignee
Leybold
DE
IPC
F01D 01/36
View Original Source