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:
Sep. 23, 2025
Filed:
Oct. 22, 2023
Membion Gmbh, Roetgen, DE;
Dirk Volmering, Aachen, DE;
Klaus Vossenkaul, Aachen, DE;
MEMBION GMBH, Roetgen, DE;
Abstract
A membrane filter for submerged operation for filtering a liquid, comprising membrane elements and geyser elements for flushing the membrane elements in pulses using a gas, each membrane element having: hollow fiber membranes secured in a base element, each hollow fiber membrane having a lumen into which a liquid permeate is filterable out of the liquid, a permeate collection cavity connected to the lumens of the hollow fiber membranes for collecting the permeate from the hollow fiber membranes, a permeate outlet for discharging the permeate out of the permeate collection chamber, and a tubular housing enveloping the hollow fiber membranes of the membrane elements and penetrated by the permeate outlet, wherein the geyser elements are installed below the membrane elements, and each of the geyser elements having: a gas collection cavity and an outlet device for discharging the gas in pulses upwards out of the gas collection cavity.