Patent ID: 11944923
Assignee: ACLARIS WATER INNOVATION GMBH, LINDAU, ZWEIGNIEDERLASSUNG REBSTEIN
Field: Chemical engineering (Chemistry)
Classification: CPC B  C  A | IPC B

Claim 40:
41. A water tank for a household appliance having a connection for a filter cartridge, wherein an annular tank sealing face is provided on a tank bottom for connection of the filter cartridge and the annular tank sealing face encloses a tank passage opening for water from the filter cartridge to flow through a wall of the tank bottom to the household appliance, wherein the annular tank sealing face includes, along a circumference of the annular tank sealing face, a variable radius in relation to a central axis, so that the annular tank sealing face comprises at least one of a radial concavity or a radial convexity and has a round profile, and wherein the at least one of a radial concavity or a radial convexity is configured to periodically oscillate around a circular line, and wherein a guide structure configured to guide and receive a tank-proximal centering element is provided within a filter port.