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. 23, 2004
Filed:
Dec. 21, 2000
Applicant:
Inventors:
Barry M. Verdegan, Stoughton, WI (US);
Peter K. Herman, Cookeville, TN (US);
Assignee:
Nelson Industries, Inc., Stoughton, WI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 2/968 ; B01D 3/600 ; B04B 9/06 ;
U.S. Cl.
CPC ...
B01D 2/968 ; B01D 3/600 ; B04B 9/06 ;
Abstract
A filtering system ( ) is provided for filtering working fluid from a machine ( ) and includes a cleanable filter ( ) and a centrifuge ( ) where filter capacity is too low for a permanent filter yet flow rate is too high for a centrifuge. The system transfers the contaminant storage function from the cleanable filter to the centrifuge. A simple effective centrifuge is provided.