Deployable Warming Drawer Module for Uniform Heating and Repair Access
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Solution Overview
Problem
Conventional warming drawers have limited heat transfer efficiency, leading to hot spots and require complex assembly and difficult repairs due to fixed heating elements and components attached to the housing, making maintenance and repairs cumbersome, especially when installed in cabinetry.
Innovation Solution
A deployable warming drawer module with a heating device that moves between positions, allowing for easier assembly, repair, and improved heat distribution, along with modular design and integrated controls for simplified access and reduced deflection through the use of channels and supports for increased rigidity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the heating element is fixed to the housing and the drawer moves over it, then the structure is simple, but heat transfer is limited and creates hot spots
Solution Approach 1:
The heating element is made movable and coupled to the drawer module, allowing it to move with the drawer between stored and deployed positions. This dynamic configuration enables the heating element to maintain optimal contact with the drawer floor for uniform heat transfer, while still being simple to implement through a movable coupling mechanism.
2Ease of manufacture
If functional parts are attached to the housing, then assembly is straightforward, but repair and maintenance require complete removal of the housing
Solution Approach 1:
The warming drawer system is divided into a stationary housing and a movable drawer module. The drawer module containing functional parts (heating element, controls, lighting) is segmented from the housing and can be independently removed. This allows repair technicians to access and service functional components by removing only the drawer module, not the entire housing.
Solution Approach 2:
The drawer module is extracted as a separate, removable unit from the housing. This extraction enables independent removal of the functional components for repair and maintenance while leaving the housing in place, eliminating the need for complete housing removal during service operations.
3Ease of repair
If the drawer module is deployable, then access for repair is improved, but structural integrity may be compromised
Solution Approach 1:
The drawer module employs a dynamic deployment mechanism that allows it to move between stored and deployed positions while maintaining structural integrity. The movable coupling system is designed to provide stable support during operation and controlled movement during deployment, ensuring the structure remains strong and rigid when needed.
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
Enhances heat transfer uniformity, simplifies assembly and repair processes, reduces manufacturing time and costs, and provides easy access for maintenance without removing the entire housing, while maintaining structural integrity.
Implementation Method 1
a heating device coupled to and movable with the warming drawer module between the first position and the second position
Data Source
AI summary
A household appliance includes a warming drawer housing having an interior chamber and a warming drawer module having a warming area for placing items to be warmed and a heating device that heats the area. The warming drawer module is movable between a first position in which the warming drawer module is in the interior chamber of the warming drawer housing and the warming area is concealed from an outside of the warming drawer housing by the warming drawer housing, and a second position in which a part of the warming drawer module is outside the warming drawer housing and a portion of the warming area is exposed to the outside of the warming drawer housing. The heating device is coupled to and movable with the warming drawer module between the first position and the second position.