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. 21, 2023
Filed:
Oct. 09, 2017
Hydac Process Technology Gmbh, Neunkirchen, DE;
Bernhard Schlichter, Saarbruecken, DE;
Joerg Hermann Gerstner, Puettlingen, DE;
Manfred Deutschmeyer, Perl, DE;
HYDAC PROCESS TECHNOLOGY GMBH, Neunkirchen, DE;
Abstract
A filter device has a filter housing () with a fluid inlet () for raw fluid, with a fluid outlet () for filtrate and with at least one one-piece or multi-piece filter insert () received in the filter housing (). The filter insert can be cleaned using at least one back-flushing member () in counter-current to the filtration direction. This back-flushing member can, by a fluid-guiding driveshaft () of a rotary drive (), be moved along the inner side () of the respective filter insert () and has, at its end adjacent to this inner side (), a gap-shaped passage opening () that extends parallel to the axis of rotation of the driveshaft () and that discharges into a flow space () fluidically connected to the driveshaft (). The flow space at least partially continuously narrows in the direction of the driveshaft () in a first plane in which the passage opening () lies. In another second plane transverse to the first plane, the flow space () at least partially continuously widens proceeding from the passage opening () in the direction of the driveshaft ().