Drum Filter Unit Structure for Laundry Water Filtration and Spray
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Solution Overview
Problem
Conventional laundry treating apparatuses with mesh-type filter units are prone to damage from collisions with laundry, allowing foreign substances to re-enter the drum and fail to effectively spray washing water onto laundry, limiting washing efficiency.
Innovation Solution
A laundry treating apparatus with flow path units and filter units where the filter units are designed to filter and spray water, with the filter units having a body with inflow and discharge parts, and a cover formed from the same material as the drum, ensuring unity in design and enhanced washing efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If mesh-type filter units are used to filter water, then foreign substances can be removed from washing water, but the filter units may be damaged due to collision with laundry during washing
Solution Approach 1:
The filter unit material is changed from mesh type to a more durable material that can withstand collision with laundry during washing, while still maintaining the filtering function through its structural design
Solution Approach 2:
The filter unit is constructed using composite material structure combining durability and filtering capability, with a body made of durable material and integrated filtering elements that prevent damage while maintaining filtration effectiveness
2Reliability
If mesh-type filter units are used to filter water, then foreign substances can be removed from washing water, but foreign substances remaining in the filter unit may be re-introduced into the drum
Solution Approach 1:
The filter unit is divided into separable components including a body and a cover that can be detached, allowing easy removal and cleaning of accumulated foreign substances to prevent their re-introduction into the drum
Solution Approach 2:
The filter unit design enables users to easily access and clean the filtering elements by detaching the cover, allowing self-maintenance to prevent foreign substance accumulation and re-introduction
3Reliability
If mesh-type filter units are used to filter water, then foreign substances can be removed from washing water, but the filter units may not spray washing water to laundry, thereby causing a difficulty in increasing washing efficiency
Solution Approach 1:
The filter unit is designed to perform multiple functions: filtering foreign substances from washing water and spraying the filtered water onto laundry. The body structure includes water discharge openings and spray capabilities, enabling the filter unit to contribute to both filtration and washing efficiency
Solution Approach 2:
The filtration function and water spray function are merged into a single integrated filter unit structure, where the filtered water is directly sprayed onto laundry through the same component, eliminating the need for separate filtration and spraying systems
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The apparatus effectively filters water and sprays it onto laundry during rotation, increasing washing efficiency while preventing backflow and ensuring durability by using filter units with a design that matches the drum's material, enhancing both functionality and aesthetics.
Implementation Method 1
filter units to filter water moving along the flow path units
Data Source
AI summary
A laundry treating apparatus may include a tub, a drum provided within the tub to accommodate laundry, flow path units provided on the drum to provide moving paths of water, an agitation unit provided within the drum so as to be rotatable and moving at least a part of water within the drum to the flow path units during rotation, and filter units to filter water moving along the flow path units. Each of the filter units includes a body configured to provide a storage space of foreign substances, an inflow part to introduce water in the flow path unit into the body, a filter provided on the body to filter water introduced into the body and then to discharge filtered water to the drum, and discharge parts provided on the body to discharge water containing foreign substances in the tangential direction of a rotating trajectory of the drum.