Icemaker Attachment System for Easy Maintenance and Thermal Efficiency
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Solution Overview
Problem
Icemakers in refrigerator appliances require frequent maintenance and are laborious to remove and install, complicating service and maintenance processes.
Innovation Solution
An ice making assembly with a heat exchanger positioned within a heat exchanger aperture, where the icemaker is removably attached to one side of the heat exchanger using fasteners, allowing for easy access and maintenance, and the ice making chamber is isolated from the cooling airflow to prevent contamination.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If the icemaker is mounted directly to the heat exchanger for direct conductive cooling, then cooling efficiency is improved, but maintenance complexity and labor time increase
Solution Approach 1:
The ice making assembly is divided into separate components: the heat exchanger remains fixed in the door, while the icemaker is mounted on a removable bracket assembly. This segmentation allows the icemaker to be easily detached for maintenance while the heat exchanger remains in place, resolving the contradiction between direct thermal contact for cooling efficiency and ease of maintenance.
Solution Approach 2:
A removable bracket assembly serves as an intermediary between the heat exchanger and the icemaker. This intermediary component enables easy removal and installation of the icemaker while maintaining thermal communication with the heat exchanger during operation, thus improving both maintenance ease and cooling efficiency.
2Ease of repair
If the icemaker is removably attached to the heat exchanger for easy maintenance, then ease of repair is improved, but thermal contact and cooling efficiency may deteriorate
Solution Approach 1:
The bracket assembly is pre-configured with thermal contact features and positioning elements that ensure proper thermal coupling between the icemaker and heat exchanger before the icemaker is installed. This preliminary preparation ensures that when the icemaker is attached, optimal thermal contact is achieved, maintaining cooling efficiency while allowing easy removal for maintenance.
3Temperature
If the ice making chamber is exposed to cooling airflow, then cooling performance is improved, but ice contamination with flavors or odors occurs
Solution Approach 1:
The ice making chamber is extracted or isolated from the main cooling airflow path. The design separates the ice storage environment from the circulated air that contacts food items, preventing ice from absorbing flavors or odors while still providing necessary cooling through the heat exchanger.
Solution Approach 2:
The heat exchanger acts as an intermediary cooling mechanism that provides thermal cooling to the ice making chamber without requiring direct exposure to the circulated cooling airflow. This intermediary approach maintains cooling performance while preventing contamination of the ice.
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
Facilitates quick and easy removal and installation of the icemaker, improving maintenance efficiency and preventing ice from absorbing flavors or odors from the cooled air.
Implementation Method 1
A heat exchanger is positioned within the heat exchanger aperture and includes a first side positioned within the ice making chamber and a second side positioned outside the ice making chamber within the circulation duct
Implementation Method 2
The icebox is in thermal communication with a heat exchanger which is in fluid communication with cooled airflow from the sealed system
Implementation Method 3
A circulation duct is in fluid communication with the second side of the heat exchanger and configured for circulating cooled air over the second side of the heat exchanger
Implementation Method 4
a fastener removably attaches the icemaker to the first side of the heat exchanger
Data Source
AI summary
An ice making assembly for a refrigerator appliance is provided. The ice making assembly includes an icebox defining an ice making chamber and a heat exchanger aperture. The icebox is mounted to a refrigerator door and surrounded by a door liner defining a circulation duct for receiving cooled airflow. A heat exchanger is positioned within the heat exchanging aperture and includes a first side positioned within the ice making chamber and a second side positioned outside the ice making chamber within the circulation duct. An icemaker is positioned within the ice making chamber and a fastener removably attaches the icemaker to the first side of the heat exchanger.