The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 01, 2002
Filed:
Nov. 15, 2000
Applicant:
Inventors:
Ralf Adamietz, Wermelskirchen, DE;
Christian Beyer, Cologne, DE;
Günter Schütz, Cologne, DE;
Assignee:
Leybold Vakuum GmbH, , DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 1/700 ; F04B 3/504 ;
U.S. Cl.
CPC ...
F04B 1/700 ; F04B 3/504 ;
Abstract
A friction vacuum pump ( ) with a frame ( ), stator ( ), rotor ( ) and housing; all functional elements of the pump are combined into one unit ( ), which, in turn, can be inserted into a housing ( ) that has been adapted to a specific application; using this procedure, all separate connection housing can be eliminated and optimal conductance can be achieved (FIG. 1).