Dishwasher Rack Loading Zone Markers for Targeted Cleaning
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Solution Overview
Problem
Conventional dishwashers lack flexibility in allowing users to customize cycles for specific loads or types of dishes, often requiring a full cycle for all racks, which can be inefficient and less effective for smaller or specialized cleaning needs.
Innovation Solution
Incorporating loading zone markers on dish racks to indicate specific areas for loading dishes, ensuring optimal cleaning during customized cycles by aligning with spray patterns and indicating types of dishes for targeted cleaning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If a full cycle is run for all racks, then all dishes are cleaned, but energy usage increases and cleaning efficiency decreases for smaller loads
Solution Approach 1:
The dish rack is divided into multiple loading zones (first loading zone, second loading zone, third loading zone) that correspond to different spray patterns and cleaning intensities. This segmentation allows users to load only the necessary dishes in specific zones for customized cycles, avoiding the need to run full cycles for partial loads, thereby reducing energy consumption while maintaining effective cleaning for the loaded items.
2Adaptability or versatility
If customized cycles are allowed, then flexibility and convenience improve, but device complexity increases
Solution Approach 1:
Different loading zones are designed with distinct characteristics (first loading zone for heavy soiling, second for moderate, third for light) that align with specific spray patterns. This local differentiation provides users with intuitive guidance for loading dishes based on soiling level, enabling customized cleaning cycles without requiring complex controls or programming, thus maintaining simplicity while enhancing adaptability.
3Manufacturing precision
If spray patterns are optimized for specific zones, then cleaning effectiveness improves, but device complexity increases
Solution Approach 1:
The spray system is configured to dynamically direct different spray patterns to different loading zones based on the selected cycle and loaded items. The first spray pattern targets the first loading zone for heavy soiling, the second spray pattern targets the second loading zone for moderate soiling, and the third spray pattern targets the third loading zone for light soiling. This dynamic adaptation of spray patterns to zone requirements enhances cleaning effectiveness without requiring complex adjustable mechanisms, as the spray distribution is predetermined by the rack zone configuration.
Data Source
AI summary
A dishwasher has a chassis, at least one spray nozzle, a dish rack, a closure and at least one loading zone marker. The chassis has a base and forms a tub. The tub at least partially defines a treating chamber. The at least one spray nozzle is configured to exhaust a flow of treating fluid into the treating chamber. The dish rack is provided within the treating chamber. The closure is moveably coupled to the base.