ELECTRICAL BREAKDOWN PROTECTION FOR A CAPACITIVE WIRELESS POWERING SYSTEM
First Claim
1. An insulating layer for protecting a capacitive power transfer system from electrical breakdowns, comprising:
- a non-conductive layer made of a first type of non-conductive material; and
a protection layer made of a second type of non-conductive material, wherein a breakdown voltage of the second type of non-conductive material is higher than a breakdown voltage of the first type of non-conductive material, wherein the protection layer covers only a portion of the non-conductive layer, wherein the non-conductive layer and the protection layer form the insulating layer of the capacitive power transfer system.
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Accused Products
Abstract
An article of manufacture (130) for protecting a capacitive power transfer system (100) from electrical breakdowns is disclosed. The article of manufacture comprises a non-conductive layer (210) made of a first type of non-conductive material, and a protection layer (220) made of a second type of non-conductive material, wherein a breakdown voltage of the second type of non-conductive material is higher than a breakdown voltage of the first type of non-conductive material, wherein the protection layer covers only a portion of the non-conductive layer, where in the non-conductive layer and the protection layer form an insulating layer (130) of the capacitive power transfer system.
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Citations
14 Claims
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1. An insulating layer for protecting a capacitive power transfer system from electrical breakdowns, comprising:
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a non-conductive layer made of a first type of non-conductive material; and a protection layer made of a second type of non-conductive material, wherein a breakdown voltage of the second type of non-conductive material is higher than a breakdown voltage of the first type of non-conductive material, wherein the protection layer covers only a portion of the non-conductive layer, wherein the non-conductive layer and the protection layer form the insulating layer of the capacitive power transfer system. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A receiver used for a capacitive power transfer system designed to protect from electrical breakdowns in a capacitive power transfer system, comprising:
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a pair of electrodes made of a conductive material; a non-conductive layer made of a first type of non-conductive material that covers one side of the pair of electrodes with respect to the extending plane of the pair of electrodes; and a protection layer made of a second type of non-conductive material that covers the other side of the pair of electrodes with respect to the extending plane of the pair of electrodes, wherein a breakdown voltage of the second type of non-conductive material is higher than a breakdown voltage of the first type of non-conductive material, wherein the non-conductive layer and the protection layer form an insulating layer of the capacitive power transfer system. - View Dependent Claims (11, 12, 13)
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14. A capacitive powering system, comprising:
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a pair of receiver electrodes connected to a load through an inductor, wherein the inductor is coupled to the load to resonate the system; a pair of transmitter electrodes connected to a driver; and
an insulating layer including a non-conductive layer made of a first type of non-conductive material, and a protection layer made of a second type of non-conductive material, wherein a breakdown voltage of the second type of non-conductive material is higher than a breakdown voltage of the first type of non-conductive material, the protection layer covers a portion of the non-conductive layer, wherein the pair of transmitter electrodes and the pair of receiver electrodes are located on opposite sides of the insulating layer, such that a capacitive impedance is formed between the pair of transmitter electrodes and the pair of receiver electrodes, wherein a power signal generated by the driver is wirelessly transferred from the pair of transmitter electrodes to the pair of receiver electrodes without causing electrical breakdowns in the system when a frequency of the power signal matches a series-resonance frequency of the first inductor and the capacitive impedance.
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Specification