Synchronous machine having cryogenic gas transfer coupling...

H - Electricity – 02 – K

Patent

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Details

H02K 9/193 (2006.01) H02K 55/04 (2006.01)

Patent

CA 2384601

A cooling fluid coupling (126) is disclosed for providing cooling fluid to a rotor having a super-conducting winding of a synchronous machine and a source of cryogenic cooling fluid. The fluid coupling comprises an inlet cooling tube (156) and an outlet cooling tube (166) in the rotor and coaxial with an axis of the rotor. The inlet cooling tube has an input port coupled to receive inlet cooling fluid (157) from the source of cryogenic cooling fluid (190). The outlet cooling tube has an output port coupled to return cooling fluid (164) from the rotor to source. A stationary motion gap seal (162) separates the input port and output port of the coupling.

Un couplage de fluide de refroidissement (126) est destiné à acheminer un fluide de refroidissement à un rotor à bobines supraconductrices d'une machine synchrone et d'une source de fluide de refroidissement cryogénique. Le couplage de fluide comprend un tube d'entrée du fluide de refroidissement (156) et un tube de sortie du fluide de refroidissement (166) dans le rotor et est situé de manière coaxiale par rapport à l'axe du rotor. Le tube d'entrée de fluide de refroidissement comprend un orifice d'entrée couplé pour recevoir un fluide de refroidissement à l'entrée (157) provenant de la source de fluide de refroidissement cryogénique (190). Le tube de sortie du fluide de refroidissement comprend un orifice de sortie couplé pour réacheminer le fluide de refroidissement (164) du rotor à la source. Un joint d'interstice à mouvement fixe (162) sépare l'orifice d'entrée et l'orifice de sortie de l'accouplement.

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