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:
Feb. 17, 2026
Filed:
Aug. 23, 2022
Fresenius Medical Care Deutschland Gmbh, Bad Homburg, DE;
Sebastian-Johannes Armbrust, Obertshausen, DE;
Wolfgang Wehmeyer, Tuebingen, DE;
Gerhard Wiesen, Bad Homburg, DE;
FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH, Bad Homburg, DE;
Abstract
The invention relates to a flow control device () for industrial filter installations, said flow control device comprising: a valve device () which is located in a flow line to, in or from a filter installation, the valve device () having a closed-loop control section () which is connected to the flow line and which can be controlled in a closed-loop manner via at least one deformable membrane (); a hydraulic device () which controls the pressure in a hydraulic duct () in a closed-loop manner by means of an actuator (), the hydraulic duct () being connected to the valve device () in such a way that the membrane () increases or reduces the flow cross-section depending on the pressure in the hydraulic duct (); a drive () for driving the hydraulic device; and an open-loop control unit () which controls the flow control device () in an open-loop manner.