H - Electricity – 01 – L
Patent
H - Electricity
01
L
327/3, 356/95, 3
H01L 35/00 (2006.01) F25B 21/02 (2006.01) H01L 35/22 (2006.01)
Patent
CA 2026154
LOW-TEMPERATURE REFRIGERATING DEVICE USING CURRENT-CARRYING SUPERCONDUCTING MODE/ NONSUPERCONDUCTING MODE JUNCTIONS ABSTRACT OF THE DISCLOSURE A refrigerating device (34 or 46) is formed using a refrigerating unit (10) having a hot end (32) at which heat is transferred to a heat sink (22), a cold end (30) at which heat is transferred from a cooling load (28) to the unit (10), a first junction (14) of a material (16) carrying electrical current in a nonsuperconducting mode to a material (12) carrying electrical current in a superconducting mode nearest the hot end (32), a second junction (18) of a material (12) carrying electrical current in a superconducting mode to a material (20) carrying electrical current in a nonsuperconducting mode nearest the cold end (30), and an electrical current source (24) that forces a flow of electrical current in the direction from the flrst junction (14) toward the second junction (18). As the electrical current flows, heat is transferred from the cooling load (28) into the cold end (30), and expelled to the heat sink (22) at the hot end (32). Preferably, a number of the refrigerating units (10) are connected electrically in series, to form single stage (34) or multistage (46) refrigerating devices.
Hughes Aircraft Company
Sim & Mcburney
LandOfFree
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