Railways – Magnetically suspended car
Patent
1991-11-22
1993-05-25
Oberleitner, Robert J.
Railways
Magnetically suspended car
104292, B60L 1304
Patent
active
052130479
ABSTRACT:
An improved propulsion system for a magnetically levitated vehicle comprising a vehicle mounted superconductor coil and a propulsion coil comprising an inner and outer coil wherein the levels of mutual inductance developed between the inner propulsion coil and the superconductor coil is about the same as the mutual inductance developed between the outer propulsion coil and the superconductor coil.
REFERENCES:
patent: 3890906 (1975-06-01), Maki
patent: 3952668 (1976-04-01), Urankar
patent: 4299173 (1981-11-01), Arima et al.
LD-89-27, Linear Drive Research Division, Society of Electronic Engineers, 1989.
LD-89-27, Oct. 6, 1989, H. Yamaguchi, "Fluctuation of Electromagnetic Force of LSM for Repulsive Magnetic Levitation System".
LD-90-36, H. Yamaguchi et al., "Fluctuation of Electromagnetic Force of SCM Caused by Harmonic Current in LSM Coils", Sep. 12, 1990.
Akagi Hidenari
Fujiwara Shunsuke
Jizo Yoshihiro
Mitsubishi Denki & Kabushiki Kaisha
Oberleitner Robert J.
Railway Technical Research Institute
Rutherford Kevin D.
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