Burner Heat Shield Assembly to Reduce Kettle Surface Temperature
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Solution Overview
Problem
Current beer brewing burners lack a feature to prevent excessive heat from being transferred to the exterior surfaces of kettles, leading to premature malfunctioning of electronics and equipment, and pose safety hazards due to high temperatures.
Innovation Solution
A strategic heat shield is integrated into the burner assembly, designed to deflect excessive heat away from the exterior surface of the kettle, using a modular and adjustable configuration that couples to the burner stand and kettle without fasteners, ensuring consistent heat transfer while protecting auxiliary instruments and maintaining user safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If a piece of metal is placed under the kettle near the front surface to block excessive heat, then heat transfer to auxiliary instruments is reduced, but the kettle becomes unstable on the burner stand and creates safety hazards from protruding metal exceeding 800°F
Solution Approach 1:
The heat shield is segmented into multiple vertical panels attached to the burner stand legs, creating a distributed barrier rather than a single protruding piece. This segmentation allows the heat shield to block radiant heat effectively while maintaining a low profile that does not interfere with kettle stability.
Solution Approach 2:
The heat shield transitions from a horizontal placement (previous failed approach) to a vertical orientation attached to the burner stand legs. This dimensional change allows the shield to intercept radiant heat before it reaches the kettle front surface while keeping the shield below the kettle base level, preventing stability issues.
2Productivity
If no heat shield is used, then consistent heat transfer to the kettle is maintained for expedient heating, but excessive heat damages instruments on the front panel and poses safety hazards
Solution Approach 1:
The heat shield provides localized protection only to the front surface area where auxiliary instruments are located, rather than blocking all heat transfer to the kettle. The shield is positioned and sized to protect only the critical instrument zone while allowing uninterrupted heat flow to the kettle bottom and sides, maintaining heating efficiency.
Solution Approach 2:
The heat shield acts as an intermediary barrier between the kettle and the auxiliary instruments on the front panel. It intercepts and blocks excessive heat before it reaches the instruments, while simultaneously allowing the kettle to receive sufficient heat for efficient operation. This mediator role resolves the conflict between heating efficiency and instrument protection.
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 heat shield effectively reduces surface temperatures of auxiliary equipment from 300°F to below 175°F, preventing damage and ensuring safer operation by redirecting radiative heat away from the kettle's exterior, thus protecting instruments and enhancing user safety.
Implementation Method 1
The heat shield can be configured to deflect heat from the burner away from an external environment proximate to the exterior surface of the heat shield
Data Source
AI summary
A strategic heat shield and burner assembly configured to reduce the heat of the surface of a vessel for food preparation, and particularly for brewing beer. The reduction in heat dramatically improves the longevity of the instrumentation affixed to the surface of the vessel and the safety of the brewing vessel to users in proximity to the vessel during operation.