Capacitive AC isolation apparatus for electric vehicle battery charging systems
First Claim
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1. Isolation apparatus for use in a charging system when charging an electric vehicle, comprising:
- an AC isolation capacitor coupled between an unexposed portion of a chassis of the charging system and an exposed portion of the chassis of the charging system or electric vehicle.
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Abstract
AC isolation apparatus, such as is provided by an AC isolation capacitor disposed between unexposed and exposed portions of the chassis of a charging system or an electric vehicle. The AC isolation apparatus or capacitor provides a high impedance at 50/60 Hertz between the electric vehicle and the charging system, thus isolating their respective chassis grounds.
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Citations
20 Claims
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1. Isolation apparatus for use in a charging system when charging an electric vehicle, comprising:
an AC isolation capacitor coupled between an unexposed portion of a chassis of the charging system and an exposed portion of the chassis of the charging system or electric vehicle. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. Apparatus comprising:
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a charging system comprising a charge coupler paddle 60 that is inserted into a charge port of an electric vehicle to charge its batteries; and an AC isolation capacitor coupled between an unexposed portion of a chassis of the charging system and an exposed portion of the chassis of the charging system or electric vehicle that comprises a high impedance at 50/60 Hertz between the electric vehicle and the charging system. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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Specification