Electromagnetic power supplying apparatus for electric motor vehicle
First Claim
1. An electromagnetic power supplying apparatus for an electric motor vehicle comprising:
- a primary winding structure having a primary coil wound around a primary core where said primary core is formed in the shape of a pillar with a reduced height;
a secondary winding structure having a secondary core where said secondary core has a central core portion about which is wound a secondary coil, a movable core member disposed opposite said central core portion with a gap therebetween for receiving therein said primary winding structure, and interconnecting core portions supporting said movable core member for movement relative thereto, said interconnecting core portions being joined to said central core portion for establishing a closed magnetic circuit linking said primary and secondary coils when said primary winding structure is inserted in said gap; and
means for urging said movable core member against said primary core upon insertion of said primary winding structure in said gap.
1 Assignment
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Accused Products
Abstract
An electromagnetic power supplying apparatus for an electric motor vehicle includes a removable primary core and a secondary core. The primary core with a primary coil wound therearound is formed in the shape of a pillar having a reduced height. The secondary core with a secondary coil wound therearound is disposed on a vehicle body and has a cross-section formed in a letter "O" shape surrounding the primary core. When positioning the primary core within the secondary core, i.e., when fitting the primary core into the secondary core, there is formed a tripod type closed magnetic circuit core. The primary core is formed with only the center leg member of the tripod type closed magnetic circuit core, and accordingly it is remarkably light in weight relative to the secondary core. Further, when the secondary core is provided with a guide surface flush with one of the magnetic flux in-out end surfaces of the primary core, the primary and secondary cores are protected from breaking during the positioning.
10 Citations
5 Claims
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1. An electromagnetic power supplying apparatus for an electric motor vehicle comprising:
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a primary winding structure having a primary coil wound around a primary core where said primary core is formed in the shape of a pillar with a reduced height; a secondary winding structure having a secondary core where said secondary core has a central core portion about which is wound a secondary coil, a movable core member disposed opposite said central core portion with a gap therebetween for receiving therein said primary winding structure, and interconnecting core portions supporting said movable core member for movement relative thereto, said interconnecting core portions being joined to said central core portion for establishing a closed magnetic circuit linking said primary and secondary coils when said primary winding structure is inserted in said gap; and means for urging said movable core member against said primary core upon insertion of said primary winding structure in said gap. - View Dependent Claims (2, 3, 4, 5)
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Specification