Inductive power transfer system and method

Details Inductive power transfer system and method Inductive power transfer system and method

2008-11-14

2010-11-02

Riley, Shawn (Department: 2838)

Electrical transmission or interconnection systems

Plural load circuit systems

Circuit arrangements or layouts

C336S115000, C701S022000

Reexamination Certificate

active

07825537

ABSTRACT:
An inductive power transfer system includes a base unit comprising a first inductive element for providing input power to a second inductive element of a target unit providing output power, a positioning structure provided on at least one of the base unit and the target unit for removably positioning the second inductive element at a predetermined orientation and distance relative to the first inductive element, a switch element configured for selectively applying a time varying electric current to the first inductive element to produce a time varying magnetic field for inducing an electric current in the second inductive element, and a control circuit for monitoring one parameter indicative of an efficiency of power transfer and automatically selectively adjusting at least one characteristic of the time varying electric current responsive to the parameter to maximize an efficiency of power transfer from the base unit to the target unit.

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