Countertop ice maker appliance and methods of operating the same

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Solution Overview

Problem

Conventional countertop ice makers have fixed refrigeration and ice forming components, resulting in a fixed ice output rate that is insufficient during periods of high demand.

Innovation Solution

A countertop ice maker appliance with a variable speed compressor, a variable speed condenser fan, and a variable speed motor assembly, controlled by a controller that adjusts the operating parameters to change the ice output rate in response to user input.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If fixed refrigeration and ice forming components are used, then device complexity is reduced, but ice production rate cannot be adjusted to meet varying demand

Engineering Contradiction:
Improveice production rate adjustmentVSAvoidrefrigeration system complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent applies dynamics by making the refrigeration system components adjustable rather than fixed. The compressor operates at variable speeds, the condenser fan adjusts its rotational speed, and the motor assembly varies its operation to change ice production rates. This dynamic adjustment allows the system to adapt to different ice demand conditions while maintaining a relatively simple overall structure.

Inventive Principle:
Principle #15Dynamics

2Productivity

If variable speed components are added to adjust ice output rate, then adaptability is improved, but device complexity increases

Engineering Contradiction:
Improveice output rateVSAvoidcontrol system complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The patent implements parameter changes by varying the operating parameters of existing components rather than adding entirely new systems. The compressor speed, condenser fan speed, and motor assembly operation are adjusted as variable parameters to control ice production rate. This approach enables productivity adjustment while avoiding the complexity of multiple fixed-speed systems or complex mechanical variable displacement mechanisms.

Inventive Principle:
Principle #35Parameter changes

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

Enables adjustable ice making rates, allowing for increased ice production during high demand periods while reducing energy consumption during standard use, thus enhancing user convenience and efficiency.

Implementation Method 1

a sealed refrigeration system including a compressor and a condenser

Methodology Applied
Scientific EffectCompression: Compression

Implementation Method 2

a sealed refrigeration system including a compressor and a condenser

Methodology Applied
Scientific EffectHeat dissipation: Heat Exchanger

Implementation Method 3

a sealed refrigeration system including a compressor and a condenser

Methodology Applied
Scientific EffectCondensation: Condensation

Implementation Method 4

a condenser fan to selectively urge a flow of air over the condenser

Methodology Applied
Scientific EffectForced convection: Forced Convection

Data Source

PatentUS20250052468A1Countertop ice maker appliance and methods of operating the same
Publication Date: 2025.02.13 HAIER US APPLIANCE SOLUTIONS INC
  • US20250052468A1 patent drawing
  • US20250052468A1 patent drawing
  • US20250052468A1 patent drawing

AI summary

A countertop ice maker appliance includes a compressor, a condenser, a condenser fan, and a motor assembly. A method of operating the countertop ice maker includes initiating a standard ice making cycle, the standard ice making cycle including a first set of parameters for each of the motor assembly, the compressor, and the condenser fan; receiving, via the user interface, a signal to initiate an adjusted ice making cycle; adjusting the first set of parameters to form a second set of parameters for each of the motor assembly, the compressor, and the condenser fan; and initiating the adjusted ice making cycle according to the second set of parameters.