Heat-Reflective Coated Yarn for Athletic Clothing
Solution Overview
Problem
Athletic clothing fails to effectively reflect ambient heat, leading to increased body temperature and reduced performance during endurance sports, as existing designs are not optimized to deflect radiant heat and often compromise on mobility and weight.
Innovation Solution
A clothing item made from yarn with a heat-reflective coating, preferably using noble metals like gold, is designed to deflect hot air away from the body, combined with a moisture-resistant polyamide yarn for enhanced evaporative cooling, creating a multilayer structure that separates heat-reflecting and moisture-distributing layers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If clothing items are made with high thermal stability and heat insulating properties to protect from heat, then thermal protection is improved, but weight increases and freedom of movement decreases
Solution Approach 1:
The patent applies parameter changes by coating the yarn with metals (silver, gold, copper, aluminum) that have specific thermal properties. These metal coatings reflect radiant heat while maintaining the lightweight characteristic of the underlying yarn structure, thus improving heat protection without significantly increasing weight.
Solution Approach 2:
The patent creates a composite material structure by combining treated yarn (with metal coatings) and untreated yarn in a woven fabric. This composite approach allows the fabric to simultaneously provide heat reflection through the metal-coated yarn and maintain flexibility and light weight through the untreated yarn components.
2Object-affected harmful factors
If clothing items are made with high thermal stability and heat insulating properties to protect from heat, then thermal protection is improved, but freedom of movement decreases
Solution Approach 1:
The metal coating on the yarn modifies the thermal parameters while preserving the flexibility and drape characteristics of the fabric. The coating is applied as a thin layer that reflects heat without rigidifying the yarn structure, thus maintaining freedom of movement.
Solution Approach 2:
The woven fabric structure combines metal-coated yarn with untreated yarn, creating a composite material that integrates heat reflection functionality while preserving the flexibility and comfort of natural or standard athletic fabrics.
3Weight of moving object
If conventional clothing is used without heat reflection, then weight is reduced and mobility is maintained, but body temperature increases due to direct contact with hot ambient air
Solution Approach 1:
The patent modifies the thermal parameters of the clothing by applying metal coatings to the yarn. These coatings have high reflectivity for radiant heat, thereby reducing heat absorption and body temperature increase while maintaining the lightweight nature of the clothing.
Solution Approach 2:
The patent converts the harmful effect of radiant heat into a beneficial reflection by using metal coatings. The metal surfaces reflect the radiant heat away from the body, transforming the heat that would otherwise be absorbed and cause overheating into reflected energy that protects the athlete.
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 solution effectively keeps hot ambient air away from the body, enhancing athletic performance by maintaining a cooler body temperature and improving climate conditions through reflective and evaporative cooling mechanisms.
Implementation Method 1
the yarn has a coating which is heat reflective... providing a second yarn which has a heat-reflecting coating, it is possible to deflect the hot air toward the outside, i.e., away from the body
Implementation Method 2
combined with a moisture-resistant polyamide yarn for enhanced evaporative cooling
Data Source
AI summary
The invention relates to an item of clothing, in particular to be worn during sports such as jogging, skating, cycling or similar. Said item of clothing is made of at least one yarn (3) that comprises a heat-reflecting covering (5).