Patent ID: 7578242
Filing Date: 2009-08-25
Classification: B60L,H01F,Y10T

Abstract:
1. A magnetic levitation transportation system ground coil unit in which, inside an annular coil conductor that is annularly wound, a mounting bush including such a mounting hole as to be parallel to a central axis of said coil conductor is disposed, and said coil conductor and said bush are integrally molded using a thermoplastic resin to form a casing of said coil conductor, wherein a thickness of said thermoplastic resin of a connection part that provides a connection between said bush and said coil conductor is made smaller than a thickness of said coil conductor, and a plurality of reinforcing ribs, which are formed using said thermoplastic resin, are provided radially from said bush side toward said coil conductor side to be integral with said connection part and said casing.