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:
Mar. 11, 2003
Filed:
Feb. 06, 2002
Applicant:
Inventors:
Peter Frehland, Ditzingen, DE;
Helmut Fischer, Remseck, DE;
Assignee:
Filterwerk Mann & Hummel GmbH, Ludwigsburg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B04B 9/06 ;
U.S. Cl.
CPC ...
B04B 9/06 ;
Abstract
A centrifuge rotor for a free jet centrifuge for cleaning lubricating oil of an internal combustion engine. The rotor has an inlet, at least one drive nozzle outlet, and a sediment deposition surface interiorly in the rotor. A bearing is provided for rotatably mounting the rotor in a surrounding housing where the bearing includes a friction bearing which simultaneously forms the rotor inlet and a roller bearing which is receivable in a bearing receptacle formed in the surrounding housing. The roller bearing is sealed off from the rotor interior.