Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1978-12-22
1981-09-15
Skudy, R.
Electrical generator or motor structure
Dynamoelectric
Rotary
310 64, H02K 132
Patent
active
042899850
ABSTRACT:
An electrical machine with cryogenic cooling has a hollow rotor filled with a coolant and comprising a superconducting winding provided with at least two supply leads being cooled. One of the supply leads is connected to a plus sign current-collecting means and is disposed in at least one cooling duct for cooling one end part of the hollow shaft of the rotor. The cooling ducts for cooling both end parts of the hollow shaft of the rotor are connected, via respective exhausting means for withdrawing the coolant from the rotor, with respective coolant collecting chambers. The other supply lead is coupled to a minus sign current-collecting means. The hollow shaft of the rotor is provided with a passage for feeding the coolant to the superconducting winding, said passage being connected with an inlet means for introducing the coolant to the rotor, the inlet means being disposed in one end part of the hollow shaft of the rotor. There is a passage in the other end part of the shaft, which communicates with the rotor cavity and with a respective coolant collecting chamber via a respective exhausting means for withdrawing the coolant from the rotor. The supply lead connected to the minus sign current-collecting means is disposed in this passage and each of said current-collecting means is disposed in a respective coolant collecting chamber.
REFERENCES:
patent: T914004 (1973-09-01), Litz
patent: 3517231 (1970-06-01), Massar
patent: 3626717 (1971-12-01), Lorch
patent: 3648082 (1972-03-01), MacNab
patent: 3729640 (1973-04-01), Ross
patent: 3809933 (1974-05-01), Sugawara
patent: 3881875 (1975-06-01), Laskaris
patent: 4079273 (1978-03-01), Lambrecht
patent: 4101793 (1978-07-01), Berthet
patent: 4174483 (1979-11-01), Vinokurov
Filippov Iosif F.
Khutoretsky Gary M.
Popov Jury S.
Skachkov Jury V.
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