Multi power sourced electric vehicle
DCFirst Claim
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1. An inductive power transfer pad to receive power from a transmitting pad, the inductive power transfer pad comprising:
- one or more permeable magnetic material members in a first layer;
a coil having at least one turn of a conductor, the coil being arranged in a second layer substantially parallel to that of said permeable magnetic material members; and
a shield member comprising a backplate defining a third layer, said backplate arranged to control electromagnetic flux generated by said transmitting pad.
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Abstract
An inductive power transfer pad for transmitting wireless power to a wireless power receiver separable from the inductive power transfer pad. The inductive power transfer pad includes a coil having at least one turn of a conductor in a first layer and a plurality of ferromagnetic slabs arranged in a second layer substantially parallel to that of the coil, the ferromagnetic slabs being arranged so as to be spaced apart from one another about the coil with their lengths extending across a longitudinal length of the coil.
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Citations
13 Claims
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1. An inductive power transfer pad to receive power from a transmitting pad, the inductive power transfer pad comprising:
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one or more permeable magnetic material members in a first layer; a coil having at least one turn of a conductor, the coil being arranged in a second layer substantially parallel to that of said permeable magnetic material members; and a shield member comprising a backplate defining a third layer, said backplate arranged to control electromagnetic flux generated by said transmitting pad. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. An inductive power transfer system comprising a wireless power receiver pad separable from a wireless power transmitter pad, the two said pads each comprising:
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one or more permeable magnetic material members in a first layer; a coil having at least one turn of a conductor, the coil being arranged in a second layer substantially parallel to that of said permeable magnetic material members; and a shield member comprising a backplate defining a third layer, said backplate arranged to control electromagnetic flux.
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Specification