Published Technical Disclosure Archive

Advanced Personal Cooling System for Extreme Environments

Publication ID: 24-11857005_0001_PTD
Published: October 27, 2025
Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Advanced Personal Cooling System for Extreme Environments,” Published Technical Disclosure No. 24-11857005_0001_PTD, Published October 27, 2025, available at https://archive.pr1or.art/24-11857005_0001_PTD
This technical disclosure describes improvements that would be readily apparent to a Person Having Ordinary Skill In The Art (PHOSITA) when considered in combination with the foundational architecture disclosed in U.S. Patent No. 11,857,005.

Background and Problem Solved

The original Hybrid Personal Cooling and Heating System addressed the pressing issue of heat stress in workers, but had limitations in terms of cooling efficiency, safety, and user experience. The Enhanced Hybrid Personal Cooling and Heating System builds upon the original invention by introducing novel components and features that overcome these limitations, providing a more effective and reliable solution for workers in extreme heat environments.

Novelty and Inventive Step

The Enhanced Hybrid Personal Cooling and Heating System introduces several novel features, including the integration of thermoelectric cooling elements, the use of phase change materials with high latent heat capacity, and the incorporation of thermal insulation and temperature control modules. These features provide a significant improvement in cooling efficiency, safety, and user experience compared to the original invention, and are non-obvious in light of the prior art.

Alternative Embodiments and Variations

Alternative embodiments of the Enhanced Hybrid Personal Cooling and Heating System could include the use of different types of phase change materials, varying the design of the thermal insulation layer, or incorporating additional features such as moisture-wicking fabrics or ventilation systems. Variations of the system could also be designed for specific industries or applications, such as construction, manufacturing, or military use.

Potential Commercial Applications and Market

The Enhanced Hybrid Personal Cooling and Heating System has significant commercial potential in various industries, including construction, manufacturing, and military, where workers are often exposed to extreme heat environments. The system's improved efficiency, safety, and user experience make it an attractive solution for employers seeking to reduce heat-related illnesses and improve worker productivity. The market for wearable cooling solutions is expected to grow significantly in the coming years, driven by increasing concerns about worker safety and health.

CPC Classifications

SectionClassGroup
A A41 A41D13/0051
A A41 A41D13/0053
F F28 F28D20/0034
F F28 F28D2020/0047

Field of Art

Personal thermal management systems, wearable cooling technologies, and thermal engineering for occupational safety, requiring expertise in thermodynamics, materials science, and ergonomic design

Person of Ordinary Skill (PHOSITA) Profile

An engineer with a BS/MS in mechanical or materials engineering, 3-5 years experience in thermal systems design, familiar with phase change materials, heat transfer principles, and wearable technology development

Obviousness Rationale

A PHOSITA would recognize that the PTD's variations represent predictable engineering extensions of the source patent's core cooling system concept. The disclosed modifications leverage known thermal engineering techniques to incrementally improve personal cooling technology. These variations demonstrate standard problem-solving approaches within the field of wearable thermal management systems.

Obvious Combinations & Variations

Source Patent Element
Liquid metal cooling system with pump and cooling tubing coil
PTD Variation
Integration of thermoelectric cooling elements powered by rechargeable battery pack
Obviousness Reasoning
Adding thermoelectric elements is a known technique for enhancing thermal transfer, representing a predictable design optimization for personal cooling systems
Source Patent Element
Phase change material surrounding cooling tubing
PTD Variation
Using phase change materials with higher latent heat capacity and adding thermal insulation layer
Obviousness Reasoning
Material selection and insulation optimization are standard engineering design choices to improve thermal efficiency in cooling systems
Source Patent Element
Basic cooling system for heat management
PTD Variation
Temperature control module dynamically adjusting cooling rate based on body and ambient temperature
Obviousness Reasoning
Adaptive thermal control is a well-established technique in thermal management, representing an obvious enhancement to improve user comfort and system performance
Source Patent Element
Hybrid personal cooling system
PTD Variation
Sensor module tracking body temperature and system performance with automated control
Obviousness Reasoning
Integrating sensor feedback for real-time system adjustment is a standard approach in modern thermal engineering and wearable technologies
Source Patent Element
Basic cooling system design
PTD Variation
Designing system variants for specific industry applications like construction or military use
Obviousness Reasoning
Tailoring thermal management solutions to specific environments represents a routine design adaptation within the field
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857005, a person having ordinary skill in the art would find the technical variations disclosed herein to be obvious extensions of the prior art. The incremental modifications to personal cooling system design represent predictable engineering solutions that would be apparent to a skilled practitioner, thus rendering potential patent claims obvious and unpatentable under 35 U.S.C. Section 103.

Original Patent Information

Patent NumberUS 11,857,005
TitleHybrid personal cooling and heating system