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. 08, 2022
Filed:
Oct. 09, 2017
Applicant:
Hydac Process Technology Gmbh, Neunkirchen, DE;
Inventors:
Hans-Juergen Lingen, Moenchengladbach, DE;
Stefan Klein, Bad Muenstereifel, DE;
Raphael Klein, Frechen, DE;
Markus Breinig, Frechen, DE;
Assignee:
HYDAC PROCESS TECHNOLOGY GMBH, Neunkirchen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 29/54 (2006.01); B01D 29/23 (2006.01); B01D 29/68 (2006.01); B01D 29/58 (2006.01); B01D 29/94 (2006.01); B01D 35/00 (2006.01); B01D 35/147 (2006.01);
U.S. Cl.
CPC ...
B01D 29/232 (2013.01); B01D 29/23 (2013.01); B01D 29/54 (2013.01); B01D 29/58 (2013.01); B01D 29/682 (2013.01); B01D 29/688 (2013.01); B01D 29/94 (2013.01); B01D 35/005 (2013.01); B01D 35/147 (2013.01); B01D 2201/082 (2013.01);
Abstract
A filter device, in particular for lubricating oil filtration, includes at least two filter inserts (), in each of which a filter material () is accommodated. The filter inserts are provided with fluid passage points () and can be stacked on top of one another with the formation of a stack. A back-flushing device () is movably arranged along the inner side of the filter inserts (). The individual filter inserts () are designed as identical parts at least with respect to their housings.