Superconducting device with a cold head, which is thermally...

Details Superconducting device with a cold head, which is thermally... Superconducting device with a cold head, which is thermally...

H - Electricity

02

K

H02K 9/20 (2006.01) F28D 15/02 (2006.01) H02K 55/04 (2006.01) F25B 25/00 (2006.01)

Patent

CA 2429283

The superconducting device (2) comprises a rotor (5) which is rotatable about an axis of rotation (A) and is provided with a superconductive winding (10) in a heat conducting winding carrier (9). The winding carrier (9) has a central cooling agent cavity (12) with a lateral cavity (13) leading out of the winding carrier (4) connected thereto. A cold head (16) associated with a cooling unit (16) is connected to a condenser unit (18) which condenses the cooling agent (k, k'). A fixed heat tube (20) guiding the cooling agent (k, k') is coupled to the condenser unit (18), protruding axially into the co- rotating lateral cavity (13) and is sealed in relation thereto.

L'invention concerne un dispositif supraconducteur (2) comprenant un rotor (5) tournant autour d'un axe de rotation (A), muni d'un enroulement (10) supraconducteur dans un support d'enroulement (9) thermoconducteur. Ce support d'enroulement (9) présente une cavité (12) centrale pour réfrigérant, à laquelle est raccordée une cavité latérale (13) partant du support d'enroulement (9). En dehors du rotor (5), la tête de refroidissement (16) d'une unité de refroidissement est connectée à une unité de condensation (18) condensant le réfrigérant (k, k'). Un tube échangeur de chaleur (20), fixe et destiné au passage du réfrigérant (k, k'), est raccordé à l'unité de condensation (18) et pénètre axialement dans la cavité latérale (13) tournant avec le rotor, de manière étanche par rapport à cette dernière.

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