Micro-climate cooling garment
AssigneeTriangle Research and Development Corporation
InventorsDavid P. Colvin, Yvonne G. Bryant
Life of this patent
Estimating the term…
Abstract
The invention relates to a cooling garment, preferably in the form of a vest that contains pouches containing a phase change material. The pouches cover less than the surface area of the vest to thereby permit evaporative cooling to occur and to contribute to the overall comfort of the wearer. An alternate embodiment includes a honeycomb structure which is contained within the pouches and which contains a macroencapsulated phase change material and allows the escape of perspiration through the garment. A heat transfer fluid is adapted to circulate throughout the pouches. The honeycomb structure is designed so that the macroencapsulated phase change material remains within designated ones of the honeycombs, but that permits the flow of the heat transfer fluid through the pouch.
Claims20
A vest for maintaining the temperature of a wearer in a stable condition, which is characterized by its ability to closely conform to the body of the wearer and to effectively thermally insulate and conduct thermal energy, and comprising:
- a generally rectangular sheet of flexible breathable material having opposite end edges and opposite side edges, said sheet including an opening in a medial location to define front and rear panels on opposite sides of the opening so that said sheet is adapted to be positioned on a wearer with the wearer's head extending through said opening with the front and rear panels respectively overlying the chest and back of the wearer;
- at least one pocket means located in each of said respective front and rear panels and defining respective cavities;
- a sealed pouch containing a temperature stabilizing means adapted to be inserted within each of said respective pocket means, whereby the wearer of the vest is substantially maintained at a predetermined temperature for an extended period of time.
A vest for maintaining the temperature of a wearer thereof in a stable condition, which is characterized by its ability to closely conform to the body of the wearer and to effectively thermally insulate and conduct thermal energy, and comprising:
- a generally rectangular sheet of a flexible, breathable material having opposite end edges and opposite side edges, said sheet including an opening in a medial location to define front and rear panels on opposite sides of the opening so that said sheet is adapted to be positioned on a wearer with the wearer's head extending through said opening with the front and rear panels respectively overlying the chest and back of the wearer;
- a plurality of spaced apart pocket means located in each of said respective front and rear panels, and defining a plurality of pockets;
- a sealed pouch containing a temperature stabilizing means adapted to be removably inserted within each of said respective pocket means,
- whereby the wearer of the vest is substantially maintained at a predetermined temperature for an extended period of time.
A vest for maintaining the temperature of a wearer in a stable condition, which is characterized by its ability to closely conform to the body of the wearer and to effectively thermally insulate and conduct thermal energy and comprising:
- a generally rectangular sheet of flexible breathable material having opposite end edges and opposite side edges, said sheet including an opening in a medial location to define front and rear panels on opposite sides of the opening so that said sheet is adapted to be positioned on a wearer with the wearer's head extending through said opening with the front and rear panels respectively overlying the chest and back of the wearer,
- at least one pocket means located in each of said respective front and rear panels and defining respective cavities,
- a sealed pouch adapted to be inserted within each of said respective pocket means, said pouch including an inlet means defining a channel in fluid communication with the interior of said pouch and an outlet means defining a second channel in fluid communication with the interior of said pouch,
- a plurality of macrocapsules disposed within said pouch, said macrocapsules containing a temperature stabilizing means,
- a channelling means for holding said macrocapsules in a preselected position within said pouch,
- whereby when a heat transfer fluid is circulated through said pouch and around said macrocapsules, heat is transferred from the macrocapsules to the fluid and is thereby removed from the vest.
Dependencies are inferred from the claim text.