Washing machine and method for operating a washing machine
EP4310240B8Active Publication Date: 2026-07-08HENKEL KGAA
Patent Information
- Application Number
- EP2023183559
- Authority / Receiving Office
- EP · EP
- Patent Type
- Patents
- Current Assignee / Owner
- Priority Date
- 2022-07-21
- Filing Date
- 2023-07-05
- Publication Date
- 2026-07-08
- Estimated Expiration
- 2043-07-05
AI Technical Summary
Technical Problem
Existing washing machines face issues with foam formation during the spin cycle, leading to reduced pump efficiency and disruption of the washing process due to difficulty in pumping out foam.
Method used
A washing machine design with a drum housing and a water system featuring a valve at the drum outlet for watertight sealing, an air inlet in the upper area with check valves allowing controlled air and foam removal, and adjustable check valves to manage airflow and drainage.
Benefits of technology
Effectively reduces foam formation and maintains pump efficiency by allowing controlled drainage of foam and air, preventing process disruptions and ensuring reliable operation.
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Citation Information
Patent Citations
Drum washing machine
CN113564880A