Dishwasher Rack Arrangement Cues for Correct Item Loading
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Solution Overview
Problem
Users often struggle to optimally position and orient items in dishwasher receiving structures due to confusing grid configurations and varying base regions, leading to inefficient cleaning and potential damage from incorrect placement.
Innovation Solution
Incorporating arrangement direction elements, such as pictorial symbols or icons, on the receiving structures to visually guide users on the correct placement and orientation of items, ensuring items are positioned correctly without requiring language-specific instructions, and allowing for efficient cleaning without obstructing wash liquid flow.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If arrangement direction elements are added to the receiving structure, then ease of operation is improved, but device complexity increases
Solution Approach 1:
The patent uses pictorial symbols that copy or represent the actual items to be washed (plates, cups, glasses, cutlery) as arrangement direction elements on the receiving structure. These visual copies guide users on correct placement without requiring text or complex instructions, thereby improving ease of operation while adding minimal structural complexity.
2Reliability
If the receiving structure is designed with specific positioning regions for different items, then cleaning effectiveness is improved, but device complexity increases
Solution Approach 1:
The receiving structure is divided into different positioning regions with specific local characteristics (different heights, orientations, and configurations) tailored for specific item types. Each region has optimized properties for its intended purpose (e.g., tilted positions for plates to prevent water pooling, vertical positions for glasses), improving cleaning effectiveness while maintaining a relatively simple overall structure through the use of visual arrangement cues.
Data Source
AI summary
A dishwasher for cleaning an item to be washed includes at least one receiving structure which is configured to hold the item to be washed. Disposed on the at least one receiving structure is at least one arrangement direction for indicating a position where the item to be washed is to be placed in the at least one receiving structure.