Power transmission transformer for noncontact power transfer...

Details Power transmission transformer for noncontact power transfer... Power transmission transformer for noncontact power transfer...

2011-08-16

2011-08-16

Mai, Anh T (Department: 2832)

Inductor devices

Winding formed of plural coils

Coil supports or spacers

C336S08400R, C336S145000, C336S182000, C336S198000, C336S208000, C336S220000, C336S222000

Reexamination Certificate

active

07999649

ABSTRACT:
The present invention provides a power transmission transformer of which workability in implementing and reliability of connection are considered in a noncontact power transfer device using individual self-oscillation circuits. The power transmission transformer for a noncontact power transfer device including a transmitting coil L1and a drive coil L2for self-oscillation on a power transmission device side includes a bobbin in which the transmitting coil and the drive coil L2are disposed, in which the transmitting coil and the drive coil L2are configured by an air-core coil using self-bonding wire, and the bobbin1includes a winder spindle1a,1bon both surfaces opposed to each other across a collar2formed of a flat plate, and a mating portion3for mating with an external portion in an end portion of the winder spindle1b, and the drive coil L2is mounted on the winder spindle1band the transmitting coil L1is mounted on the other, opposed winder spindle1aacross the collar.

REFERENCES:
patent: 5010314 (1991-04-01), Estrov
patent: 5319342 (1994-06-01), Kuroki
patent: 6630880 (2003-10-01), Cheung et al.
patent: 7219416 (2007-05-01), Inoue et al.
patent: 2005/0275497 (2005-12-01), Ramadan et al.

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