Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1994-09-12
1996-12-03
Stephan, Steven L.
Electrical generator or motor structure
Dynamoelectric
Rotary
310 54, 505166, H02K 900
Patent
active
055811353
ABSTRACT:
A superconducting motor comprising an armature provided on a ro tative shaft, magnet portions disposed opposite to said armature, coolant containers for containing said magnet portions and coolant, coolant pipes connected to said coolant containers for supplying the coolant, wherein each of said magnet portions comprises a superconductor and a magnetizing coil wound around it and wherein lead wires for supplying a pulse current for magnetization are connected to said magnetizing coils.
REFERENCES:
patent: 3521091 (1970-07-01), Halas
patent: 5177054 (1993-01-01), Lloyd et al.
Database Japan, vol. 16, No. 120 (E-1182), JP-3-289344, Dec. 19, 1991.
Patent Abstracts of Japan, vol. 13, No. 490, Nov. 7, 1989, JP-A-1-194855, Aug. 4, 1989.
Patent Abstracts of Japan, vol. 14, No. 374, Aug. 13, 1990, JP-A-2-136061, May 24, 1990.
Harada Shintaro
Ito Yoshitaka
Oka Tetsuo
Sakakibara Tutomu
Yabuno Ryohei
Butler John C.
IMRA Material R & D Co., Ltd.
Stephan Steven L.
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