Integrally Formed Barrel Heater Mounting Surface
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Solution Overview
Problem
Existing hair styling appliances with cylindrical metal barrels suffer from inefficient thermal transfer from the heater element to the external surface, requiring multiple heat transfer boundaries and increasing the time to style hair.
Innovation Solution
A barrel design with an integrally formed heater-mounting surface that eliminates the need for a separate heater carrier, providing an uninterrupted path for heat transfer from the heater element to the external surface, thus enhancing thermal efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a separate heater carrier is used to mount the heater element, then the heater element can be securely positioned, but the thermal transfer path is interrupted creating additional heat transfer boundaries
Solution Approach 1:
The heater mounting surface is integrally formed with the barrel, merging the barrel structure and heater mounting function into a single component. This eliminates the separate heater carrier, creating an uninterrupted thermal path from the heater element to the barrel exterior while maintaining secure heater positioning through the integral mounting surface geometry.
2Reliability
If a separate heater carrier is used, then the heater element can be mounted, but the manufacturing process becomes more complex with additional components
Solution Approach 1:
The barrel and heater mounting surface are manufactured as a single integral component, eliminating the separate heater carrier assembly. This reduces the number of parts, simplifies the assembly process, and decreases manufacturing complexity while maintaining reliable heater element mounting through the integrated mounting surface.
3Reliability
If multiple heat transfer boundaries are present, then the heater carrier can be positioned, but the time to heat the barrel increases
Solution Approach 1:
By integrating the heater mounting surface directly into the barrel structure, the patent eliminates intermediate heat transfer boundaries. This creates a direct thermal coupling between the heater element and barrel, reducing the time required for heat transfer while maintaining accurate heater positioning through the integral mounting geometry.
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 integrally formed heater-mounting surface significantly increases the speed and efficiency of thermal transfer, allowing for quicker heat distribution to the hair, while also simplifying the manufacturing process and reducing production costs.
Implementation Method 1
thermal transfer of heat from the heater element to the barrel
Data Source
AI summary
A barrel for a hair styling appliance includes an external surface and a heater-mounting surface inside the barrel. The heater-mounting surface is integrally formed with the external surface, and the barrel may be formed as a single extruded metal component. A barrel assembly includes the barrel, and one or more heater elements mounted on the heater-mounting surface. A hair styling appliance, such as a curling tong, curling wand or hot iron brush includes the barrel assembly. A heater element for a hair styling appliance includes a substrate having a conductive track for generating heat upon application of an electrical current thereto, and an integral temperature sensor. Manufacturing methods are used for making the barrel, barrel assembly, hair styling appliance, and heater element.