Hand-Held Grill with Ceramic Burner for Even Heat and Burn Prevention
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Solution Overview
Problem
Existing high-temperature grills are bulky and require multiple devices for optimal grilling results, while hand-held grill devices often suffer from heat distribution issues and safety concerns such as flash flames and burns.
Innovation Solution
A hand-held grill device with a ceramic gas burner, a tube for safe distance from the heating element, and a handle with ergonomic and non-slip features, allowing for flexible and safe grilling, roasting, and gratinating with even heat distribution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a conical burner attachment with wire mesh is used to enable searing larger items, then the grilling capability is improved, but heat flow is reduced and heat distribution becomes uneven
Solution Approach 1:
The patent changes the physical parameters of the heating element by using a ceramic plate instead of wire mesh, and positions it at an optimized distance from the food surface. This allows maintaining high heat flow while achieving even heat distribution across the cooking surface.
Solution Approach 2:
The patent employs a ceramic heating plate as the heating element, which combines the benefits of high heat retention and even heat distribution. The ceramic material allows for uniform heat transfer across the surface while maintaining the necessary temperature for effective grilling.
2Temperature
If infrared ceramic heating plates are used to enable high-temperature grilling, then grilling performance is improved, but safety risks increase due to proximity and size of the burner
Solution Approach 1:
The patent introduces a protective grid as an intermediary element between the heating element and the user's hand. This grid acts as a thermal barrier that prevents direct contact with the high-temperature surface while allowing heat transfer to the food, thereby eliminating burn risks during operation.
Solution Approach 2:
The patent extends the handle length to increase the dimensional distance between the user's hand and the heating element. This spatial separation in the longitudinal dimension provides an additional safety margin while maintaining ergonomic control of the device.
3Reliability
If a tightly woven close-fitting grid is used to prevent flare-ups, then safety is improved, but the heating elements and grid protrude beyond the housing increasing complexity
Solution Approach 1:
The patent merges the protective grid function with the housing structure itself. The grid is integrated into the housing design rather than being a separate protruding component, thereby maintaining flame containment while preserving a clean, compact appearance and reducing overall device complexity.
4Productivity
If the heating element is positioned close to the food for efficient heat transfer, then grilling efficiency is improved, but the risk of burns and flash flames increases
Solution Approach 1:
The protective grid serves as a mediator that enables close positioning of the heating element to the food for efficient heat transfer, while simultaneously preventing direct contact and reducing the risk of burns and flash flames. The grid allows thermal energy transfer to the food while blocking harmful effects to the user.
Solution Approach 2:
The ceramic heating plate naturally distributes heat evenly across its surface, which self-regulates the heating process and reduces the risk of localized overheating that could cause flash flames. The material properties of ceramic provide inherent thermal management that enhances safety.
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 safe and efficient grilling with high heat, maintaining food juiciness and creating a perfect crust, while preventing burns and flash flames due to the ceramic burner's wide surface area and controlled gas supply, and the ergonomic design for comfortable handling.
Implementation Method 1
The ceramic plate enables heat of approximately 800 °C to be distributed over a very wide area, thus allowing for even grilling or gratinating
Implementation Method 2
the heating element is preferably a gas burner... The ceramic plate enables heat of approximately 800 °C to be distributed
Data Source
Figure 1~2
Figure 3~5
AI summary
The invention relates to a hand-held grill for gratinating, roasting, and grilling, comprising a substantially container-shaped housing (2) which is open at the bottom, a heating element (1), wherein the heating element (1) is preferably a gas burner, a tube (3) and a handle (4) which forms the extensions of the tube, and a wire rack (5), wherein the heating element (1) is installed in the housing (2), wherein the tube (3) projects into the housing (2), wherein the housing (2) is connected to the handle (4) via the tube (3), and wherein the wire rack (5) is mounted on the open bottom of the housing (2) at a distance of at least 0.5 cm from the heating element (1).