Friction Warming Coat Plate Mechanism
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Solution Overview
Problem
Existing cold-weather garments with built-in heat sources, such as electric heating elements, require batteries or flammable materials, which are not ideal for all situations.
Innovation Solution
A friction warming apparatus is integrated into a garment, comprising a first plate secured to the inner portion and a second plate that rubs against the first plate to generate heat via friction, using a mechanical urging mechanism, including a rod with a handle for manual operation, and utilizing high coefficient of friction materials to enhance thermal insulation and heat generation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If battery powered electric heating elements are used, then heat generation is achieved, but device complexity and safety concerns increase
Solution Approach 1:
The patent removes batteries and electric heating elements from the system, extracting the complex power supply and control components while retaining the essential heat generation function through pure mechanical friction between plates
Solution Approach 2:
The heating mechanism is self-contained and requires no external power source. The user manually operates the friction plates to generate heat, and the system automatically regulates temperature through the natural friction process without electronic controls
2Temperature
If flammable materials are used for heating, then heat generation is achieved, but safety risks increase
Solution Approach 1:
The patent converts the potentially harmful friction between plates into a beneficial heating mechanism. Instead of using flammable materials that pose fire hazards, the invention uses controlled mechanical friction between non-flammable plates to generate heat safely
Solution Approach 2:
The patent eliminates the need for expensive and hazardous flammable heating materials, replacing them with simple, safe, and reusable friction plates that can be easily manufactured and disposed of if needed
3Object-affected harmful factors
If manual friction plates are used, then safety is improved, but ease of operation decreases
Solution Approach 1:
The patent incorporates a spring mechanism that dynamically adjusts the pressure between friction plates, allowing the system to adapt to user input while maintaining optimal friction contact. This dynamic pressure application reduces the effort required by the user compared to static manual pressure
Solution Approach 2:
The patent uses a rotary motion mechanism where a handle rotates to drive the friction plates in a circular motion. This rotational approach converts linear user effort into continuous friction heat generation, making the operation more efficient and easier to sustain
4Power
If high coefficient of friction materials are used, then heat generation efficiency is improved, but manufacturing complexity increases
Solution Approach 1:
The patent specifies using materials with high coefficient of friction parameters, such as rubber or composite materials, to maximize heat generation efficiency. By optimizing the friction parameter of the plate materials, the system achieves superior heat generation without complex mechanisms
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 friction warming apparatus effectively augments body heat and generates additional warmth without the need for batteries or flammable materials, providing improved thermal performance and safety in cold conditions.
Implementation Method 1
a second plate configured to rub against the first plate to generate heat via friction between the first and second plates in response to a mechanical urging
Implementation Method 2
the plates may comprise disc plates having respective opposing surfaces made of the same high coefficient of friction material such that when the plates are caused to rub against each other the friction between the plates or their opposing surfaces generates heat
Implementation Method 3
Various embodiments also contemplate the use of thermally conductive materials (e.g., copper or aluminum tubing) to transfer heat from heat-producing plate pairs to other locations within the coat
Data Source
AI summary
A friction warming apparatus insertable into a garment such as a winter coat and comprising a first plate configured to be secured to an inner portion of the garment and a second plate configured to rub against the first plate to generate heat via friction between the first and second plates in response to a mechanical urging, the mechanical urging being received by the first plate via a rod having a proximal end operably attached to the first plate and a distal end attached to a handle and protruding outward through an aperture in the garment.