Filter element, filter system, laundry dryer and method

By designing convertible porous filter elements and an automated filtration system, the problem of high energy consumption in clothes dryers has been solved, improving the energy efficiency and filtration effect of the equipment and reducing maintenance needs.

CN122147670APending Publication Date: 2026-06-05BSH HAUSGERATE GMBH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
BSH HAUSGERATE GMBH
Filing Date
2025-12-02
Publication Date
2026-06-05

AI Technical Summary

Technical Problem

Existing clothes dryer filters require high energy consumption to maintain airflow circulation, affecting the energy efficiency and performance of the equipment, and the airflow circulation is energy-intensive.

Method used

Design a convertible filter element, including a porous structure and mechanism, that can filter particles when needed, especially when the lint load is high, and switch to the filtration position to reduce energy consumption; the filtration system combines an actuator and a control unit to automatically adjust the position of the filter element to optimize airflow.

Benefits of technology

By reducing unnecessary filtration, energy consumption is reduced, improving the efficiency and performance of clothes dryers, ensuring constant airflow and filtration effectiveness, and reducing maintenance workload.

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Abstract

The invention relates to a filter element (10) for a laundry dryer (11), a filter system for a laundry dryer, a laundry dryer having a filter element (10) and / or a filter system (11), and a method for operating a filter system (11) or a laundry dryer having such a filter system (11). The filter element is configured to be arranged in an air path (L), wherein the air path (L) is configured to guide a process air flow (PL), wherein the filter element (10) comprises a mechanism (M) configured to enable the filter element (10) to be switched into a filter position (FP) and an open position (OP).
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