Contactless power transfer system

Details Contactless power transfer system Contactless power transfer system

2007-03-27

2007-03-27

Glick, Edward J. (Department: 2882)

X-ray or gamma ray systems or devices

Electronic circuit

X-ray source power supply

C378S104000, C378S004000

Reexamination Certificate

active

11292244

ABSTRACT:
In accordance with one embodiment, a contactless power transfer system is provided that comprises a stationary member including a power input configured to receive power at first voltage from a power supply. The system further includes a rotating member rotatably coupled to the stationary member and a rotary transformer. The rotary transformer has primary and secondary sides, with the primary side being disposed on the stationary member. The primary side has a primary winding that receives power at the first voltage from the power input. The secondary side is disposed on the rotating member and produces power at a second voltage. The secondary side has a rotating core and separate secondary sub-windings, each of which has forward and return paths that are circumferentially disposed about the rotating core. The forward and return paths of each of the sub-windings rotate proximate to, and are disposed a substantially equal distance from, the primary winding disposed on the stationary member.

REFERENCES:
patent: 4672528 (1987-06-01), Park et al.
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patent: 5646835 (1997-07-01), Katcha
patent: 6674836 (2004-01-01), Harada et al.
patent: 2004/0264642 (2004-12-01), Katcha et al.
patent: 2006/0022785 (2006-02-01), Dobbs

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