Integrated Water Switch Assembly for Nugget Ice Freeze Prevention
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Solution Overview
Problem
Nugget style ice makers face issues with water supply systems that result in freezing and clogging, leading to imbalanced cooling, increased costs, and reduced efficiency due to the need for additional components and a larger footprint.
Innovation Solution
A water switch assembly integrated within the ice making assembly, featuring a hollow auger and a float to control water levels, which eliminates the need for external heaters and reduces the number of components, ensuring efficient water supply and ice production.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a heater is positioned near the water inlet to prevent water freezing, then water supply reliability is improved, but cooling balance deteriorates and manufacturing cost increases
Solution Approach 1:
The heater component is completely removed from the ice maker assembly. Instead of positioning a heater near the water inlet to prevent freezing, the patent extracts this heating function entirely and replaces it with an integrated water switch assembly that controls water level and supply through float-based mechanical switching, eliminating the need for thermal management components that disrupt cooling balance.
Solution Approach 2:
The water switch assembly performs multiple functions: it controls water level in the reservoir, regulates water supply to the mold body, and prevents freezing through proper water level management. This multi-functional component replaces the dedicated heater, water inlet control, and water level management system, reducing part count while maintaining reliability without compromising cooling performance.
2Reliability
If a heater is positioned near the water inlet to prevent water freezing, then water supply reliability is improved, but device complexity increases
Solution Approach 1:
The water switch assembly merges multiple functions into a single integrated component: water level sensing, water supply control, and freeze prevention are combined in one assembly that extends through the center of the auger. This consolidation eliminates the need for separate heaters, water inlet valves, and level sensors, reducing device complexity while maintaining water supply reliability.
Solution Approach 2:
The water switch assembly serves as a universal component that performs water level measurement, water supply regulation, and freeze prevention simultaneously. By making this single component multi-functional, the patent reduces the overall number of parts required in the ice maker assembly while ensuring reliable water supply operation.
3Quantity of substance
If a remote reservoir is used to supply water to the mold body, then water supply capacity is improved, but assembly time increases
Solution Approach 1:
The water switch assembly is integrated directly into the auger structure, with the float mechanism embedded within the auger cavity. This integration eliminates separate assembly steps for installing water supply components and simplifies the overall assembly process while maintaining the remote reservoir configuration for adequate water supply capacity.
4Quantity of substance
If a remote reservoir is used to supply water to the mold body, then water supply capacity is improved, but manufacturing cost increases
Solution Approach 1:
The water switch assembly performs multiple functions including water level control, water supply regulation, and freeze prevention within a single integrated component. This multi-functionality reduces the total number of parts that need to be manufactured, sourced, and assembled, thereby reducing manufacturing cost while maintaining adequate water supply capacity through the remote reservoir configuration.
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 solution enhances the performance and efficiency of the ice maker by maintaining optimal water levels and preventing freezing, thus reducing assembly time and costs while minimizing the footprint of the appliance.
Implementation Method 1
a float slidably received on the switch shaft within the auger cavity, the float configured to measure the water level within the auger cavity
Data Source
AI summary
A water switch assembly for a nugget ice making assembly is provided. The ice making assembly includes a hollow auger rotatably mounted within a reservoir and configured for extruding ice. The water switch assembly extends vertically through the center of the ice making auger and reservoir. The water switch assembly is in fluid communication with a water inlet and includes a float for measuring the water level. In this manner, the water switch assembly is configured to control the level of water within the reservoir.