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ACCOMPLISHMENTS

Cryogenic Heat Transport System. INNOVATION. A vibration isolating cryogenic heat transport system capable of transporting waste heat from electronics and sensors over long distances with the use of no moving parts or thermal switches. S mall B usiness I nnovation R esearch.

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ACCOMPLISHMENTS

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  1. Cryogenic Heat Transport System INNOVATION A vibration isolating cryogenic heat transport system capable of transporting waste heat from electronics and sensors over long distances with the use of no moving parts or thermal switches. Small Business Innovation Research Cullimore & Ring Technologies, Littleton, Colorado Swales and Associates, Beltsville, Maryland Liquid Cooled Shield Reservoir • ACCOMPLISHMENTS • The technology successfully operated at 80-90 °K during ground tests and in the zero gravity CRYOTSU canister on board STS-95 • Testing successfully demonstrated acquisition of waste heat through the vaporization of a working fluid which is passively pumped using the surface tension forces developed in a fine porous wick structure • Extrapolated the development of similar room temperature technology to cryogenic applications • Characterized operation for an 80-90 °K system using nitrogen as the working fluid. Spin off development demonstrated functionality down to 40 °K using neon. • COMMERCIALIZATION • Miniaturization of loop components has provided the ground work for extrapolating the technology to room temperature electronic cooling 2.54 cm Evaporator Loop weight: 191 grams Transport length: 0.25 meter Condenser Cryogenic Heat Transport System Cryogenic Heat Transport System • GOVERNMENT/SCIENCE APPLICATIONS • Vibration free cooling of cryogenic sensors and electronics • Method for connecting multiple cryogenic cooling sources to a single heat source • Lightweight, flexible, vibration free replacement for cryogenic thermal switches Points of Contact: C&R Technologies - Jane Baumann; 303-816-0272 www.crtech.com e-mail: cindy@crtech.com GSFC - Jentung Ku; 301-286-3130 Swales: www.swales.com services@suwales.com Goddard Space Flight Center 1992 Phase 2, SS5-023; 12/23/98 GSFC - Jentung Ku; 301-286-3130

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