Cooling arrangement for the rotor of an electric machine

Details Cooling arrangement for the rotor of an electric machine Cooling arrangement for the rotor of an electric machine

1979-07-09

1981-07-14

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310261, H02K 714

Patent

active

042789060

ABSTRACT:
A cooling arrangement for the rotor of an electric machine having a superconducting field winding includes a co-rotating mixing chamber, a coolant distribution system arranged at the outer circumference of the winding, and radial cooling canals passing through the winding as well as coolant connecting lines outside the winding, in which the coolant flows through the cooling canals due to self-pumping. The coolant connecting lines have thermally insulating end sections which protrude further into the coolant distribution system from the rotor axis than the inlet openings of the cooling canals, so that a coolant flow direction from the outside-in, through the cooling canals, is fixed in an advantageous manner.

REFERENCES:
patent: 2033058 (1936-03-01), Williamson
patent: 3049634 (1962-08-01), Horsley
patent: 3517231 (1970-06-01), Massar
patent: 3809933 (1974-05-01), Sugawara
patent: 4013908 (1977-03-01), Weghaupt

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