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Patent AT-E401116-T1: [Translated] LIQUID FILTER WITH A DRAIN DEVICE

Published by National Center for Biotechnology Information (NCBI) | U.S. Department of Health & Human Services | Metadata Last Checked: September 07, 2025 | Last Modified: 2025-09-06
A liquid filter comprises a housing comprising a housing pot having a substantially downwardly open filter element installation opening and a screw-on cover (11) that closes the opening, and a filter element arranged in the housing. The screw-on cover has a drain for residual liquid. A device for opening and closing the drain opening is arranged in the area of the drain. A liquid filter comprises a housing with an inlet and an outlet, comprising a housing pot having a substantially downwardly open filter element installation opening and a screw-on cover (11) that closes the installation opening, and a filter element arranged in the housing sealingly separating the inlet from the outlet. The screw-on cover has a drain for residual liquid present in the housing with a round drain opening (31) arranged in the central axis of the housing. A device for opening and closing the drain opening is arranged in the area of the drain and connected to filter element so that it moves relative to the drain opening and opens the drain when the cover is unscrewed. An independent claim is included for a filter element for a liquid filter.

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