Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1981-05-01
1982-12-14
Skudy, R.
Electrical generator or motor structure
Dynamoelectric
Rotary
310 45, 174 15S, 174128S, 336 60, H02K 900
Patent
active
043639810
ABSTRACT:
Improved structure for reducing heating a monolithic suuperconducting winding due to friction generated at an interface between a "low eddy current" support structure and the winding is disclosed. Such improved structure comprises a low shear modulus, compliant material and high thermal conductivity sheet metal disposed in the interface region between the super-conducting winding on the support structure. The low shear modulus, compliant material yields in the shear direction, thereby reducing frictional heating, and whatever frictional heat is generated is removed by the high conductivity sheet metal and transferred to helium cooling channels which are located in the low eddy current support structure.
REFERENCES:
patent: 2664512 (1953-12-01), Huntley
patent: 3991333 (1976-11-01), Laskaris
patent: 4001616 (1977-01-01), Lonseth et al.
patent: 4013908 (1977-03-01), Weghaupt
patent: 4060743 (1977-11-01), Weghaupt
patent: 4277705 (1981-07-01), Rios
patent: 4282450 (1981-08-01), Eckels
K. A. Tepper, "Mechanical and Heat Transfer Models for Frictional Heating in Superconducting Coils," IEEE Traansactions on Magnetics, vol. MAG-17, No. 1, Jan. 1981, pp. 1060-1063.
Bruzga Charles E.
Davis Jr. James C.
General Electric Company
Skudy R.
Snyder Marvin
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