Railways – Magnetically suspended car
Reexamination Certificate
2006-04-28
2009-02-03
Morano, S. Joseph (Department: 3617)
Railways
Magnetically suspended car
C104S284000
Reexamination Certificate
active
07484463
ABSTRACT:
A permanent magnetic levitation apparatus comprises a permanent magnetic track unit and permanent magnetic levitation wing unit provided on a magnetic levitation vehicle and levitated above the track unit, in which the wing unit includes a ferromagnetic wing trough having an open bottom, wing permanent magnets disposed in the wing trough, and non-ferromagnetic spacers which are disposed between the side walls of the wing trough and the wing permanent magnets, and the track unit includes a ferromagnetic track trough having an open top, track permanent magnets disposed in the track trough, and non-ferromagnetic spacers disposed between the side walls of the track trough and the track permanent magnets, so that the wing permanent magnets and the track permanent magnets are disposed so that their poles with the same polarity face each other.
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Wei, Qingchao and Kong, Younjian: “Magnetic Levitation Railway System and Technique”, p. 19, para. 4, Ch. 1,China Science and Technology Publ. Co., Nov. 2003.
Hunton & Williams LLP
Morano S. Joseph
Smith Jason C
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