Filter module and filter unit

US10226742B2 · kind B2 · utility

Assignee

• Sartorius Stedim Biotech GmbH · DE

Inventors

• Stefan Fischer-Frühholz · Bovenden, DE
• Andre Pastor · Oettingen, DE

Key dates

• Filing date: Apr 2, 2009
• Grant date: Mar 12, 2019
• Expiry date: Apr 4, 2029

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C02F1/444
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

Filter module and filter unit with an inlet for medium that is to be filtered, and with an outlet for the permeate, with at least one filter sheet, a first spacer adjacent to the media side and a second spacer adjacent to the permeate side, the spacers being designed with a draining action, and the first spacer being connected to an inlet and the second spacer to an outlet, wherein the at least one filter sheet forms a first filter unit together with the two adjacent spacers, the filter sheet is designed as a single filter or a filter stack, the first spacer is designed to be impermeable to liquid on its outer face directed away from the filter sheet and is sealed off at its boundary to the outlet end, and the second spacer is designed to be impermeable to liquid on its outer face directed away from the filter sheet and is sealed off at its boundary to the inlet end.