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:
Jan. 02, 2018
Filed:
Apr. 26, 2012
Ralf Wnuk, Bexbach/Kleinottweiler, DE;
Jörg Hermann Gerstner, Püttingen, DE;
Thomas Bottcher, Illingen-Hüttigweiler, DE;
Thomas Morawietz, Homburg-Erbach, DE;
Ralf Wnuk, Bexbach/Kleinottweiler, DE;
Jörg Hermann Gerstner, Püttingen, DE;
Thomas Bottcher, Illingen-Hüttigweiler, DE;
Thomas Morawietz, Homburg-Erbach, DE;
HYDAC PROCESS TECHNOLOGY GMBH, Neunkirchen, DE;
Abstract
A filtering apparatus has a plurality of filtering elements () in a filter housing (), a filter inlet () and a filter outlet (). During the filtration operation, one of the filtering elements () can be back-flushed by a back-flushing device (). The back-flushing device has a pressure control device () including a hydraulic accumulator (). One accumulator fluid chamber () can be filled during the filtration operation with a quantity of filtered fluid and can be connected for a back-flushing operation via a back-flushing guide () to the clean side () of the filtering clement () to be cleaned. Another accumulator fluid chamber () can be subjected to a media pressure.