Cooking Vessel Handle With Ceramic Thermal Break
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Solution Overview
Problem
Existing cooking vessels with handles suffer from thermal conduction issues, leading to a hot handle, and often compromise stability, especially with larger pots or pans, due to passages that allow warm air to pass through, making them awkward to grasp and potentially unstable.
Innovation Solution
A cooking vessel handle design featuring a U-shaped or L-shaped metal handle with a hollow construction, incorporating a ceramic or plastic thermal barrier in the transition zone between the handle and the cooking vessel, which reduces heat conduction without compromising stability, using a ceramic or plastic insert to create a thermal insulation and form-fitting connection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If passages are provided in the handle area to allow warm air to pass through, then heat conduction to the handle is reduced, but the stability and strength of the handle are weakened
Solution Approach 1:
The handle is divided into multiple sections: a first handle section connected to the cooking vessel, a second handle section forming the grip area, and a transition zone connecting them. This segmentation allows the transition zone to be specifically designed with heat-insulating features without compromising the structural integrity of the main handle sections.
Solution Approach 2:
The transition zone between the handle sections is given different local properties - it includes heat-insulating material or structure specifically in the region exposed to rising hot air, while the main handle sections maintain their structural strength. This localized approach reduces handle temperature without weakening the overall handle stability.
2Device complexity
If a one-piece flat metallic handle is used, then the construction is simple, but heat conduction causes the remote grip area to heat up excessively
Solution Approach 1:
The handle is segmented into distinct sections with different thermal properties. The transition zone incorporates heat-insulating features while the grip area remains accessible, achieving temperature control without excessive complexity.
Solution Approach 2:
A transition zone acts as an intermediary element between the hot cooking vessel and the user's grip area. This intermediate section contains heat-insulating material or structure that blocks thermal conduction and convection paths, protecting the grip area from excessive heat while maintaining a functional handle design.
3Temperature
If the handle area is weakened to allow warm air passage, then heat insulation is improved, but the handle becomes unstable especially with larger vessels
Solution Approach 1:
By segmenting the handle into separate sections, the heat-insulating transition zone can be designed independently from the load-bearing handle sections, allowing heat insulation without compromising overall structural reliability.
Solution Approach 2:
The transition zone is given specific local heat-insulating properties (such as heat-insulating material or interrupted metal cross-section) only where needed to block thermal paths, while the main handle sections maintain their full structural integrity for reliable support of larger vessels.
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 design effectively reduces heat conduction to the handle while maintaining stability, allowing for comfortable grip and improved thermal insulation, preventing hot air and gases from heating the handle, even when used with larger vessels.
Implementation Method 1
incorporating a ceramic or plastic thermal barrier in the transition zone between the handle and the cooking vessel, which reduces heat conduction
Implementation Method 2
allow warm air and gases rising on the cooking vessel to pass through more easily
Data Source
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AI summary
A cooking vessel has a handle (10), in particular for a pot or a pan, wherein the grip region (15) of said handle is composed of metal. In this case, the handle has at least one first substantially metal fixing section (12) for being fixed to the cooking vessel, a transition section (13) and a substantially metal grip section (14, 15). The transition section (13) has a reduced metal cross section compared to the adjacent sections (12 and 14, 15), wherein said transition section (13) respectively comprises either a metal section (23), which is integrally connected to the adjacent sections (12 and 14, 15), and a ceramic piece (90), or comprises only a ceramic piece, and the ceramic pieces (90) are connected to the adjacent adjoining metal sections (12, 23, 14) in an interlocking manner. The result of this is a reduction in thermal conductivity in the grip region (15) without reducing the stability of the handle (10).