Superconducting machine device with a superconducting winding and thermosiphon cooling
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United States of America Patent
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May 5, 2009
Grant Date -
May 3, 2007
app pub date -
Apr 15, 2004
filing date -
May 13, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
The machine device comprises a motor (2) with a rotor (5) rotating about an axis (A), the superconducting winding of which is coupled with thermal conduction to a central refrigerant cavity (12). The cavity (12) forms a single-tube system, together with the line sections (22) laterally connected thereto and a condenser chamber (18) of a refrigeration unit, located outside the motor (2), in which a refrigerant (k, k') circulates as result of a thermal siphon effect. According to the invention, the refrigerant supply to the central cavity (12) is maintained, even with inclined positions (d) for the rotor (5), whereby pressurization means are provided, which generate pressure pulses of gaseous refrigerant, acting on the liquid refrigerant (k) in the condenser chamber (18) or the connected line sections (22).
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