METHOD AND SYSTEM FOR CO-OPERATIVE CHARGING OF ELECTRIC VEHICLES
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Accused Products
Abstract
A method and system provide for the cooperative charging of electric vehicles. By using power line communications, chargers of the electric vehicles who are serviced by the same distribution transformer can form self-contained local area networks due to the nature of power line communications (PLCs). Alternatively, or in addition to the PLCs, other communication networks, such as the Internet and local area networks, may be used as part of the communications infrastructure for the chargers. After the chargers of the electric vehicles are coupled to one another through power line communications or traditional communications networks, they can form a logical token ring network. According to this token ring network, a predetermined number of tokens can be assigned within the token ring network for permitting chargers with tokens to charge respective electric vehicles while chargers without tokens must wait until they receive a token to initiate charging.
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Citations
49 Claims
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1-29. -29. (canceled)
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30. A cooperative charging system comprising:
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a charger including a communication transceiver, and a central processing unit for executing instructions stored in a computer readable medium that include; determining a priority for a token assignment among the one or more members of a token ring network, the token assignment comprising a list of one or more chargers that are designated to receive a token based on the priority, wherein a receipt of a token permits a charger to start one of an upload and download of electricity; and passing the token to a charger. - View Dependent Claims (31, 32, 33, 34, 35, 36, 37)
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38. A method for establishing a cooperative charging system comprising:
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generating a list of one or more chargers who are members of a token ring network; assigning a token to a first charger according to predetermined criteria; determining a priority for a token assignment among the one or more members of the token ring network; passing the token to an charger with the determined priority using a communications transceiver comprising a gateway; and initiating charging with the charger with the determined priority. - View Dependent Claims (39, 40, 41, 42, 43)
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44. A system for establishing a cooperative charging system comprising:
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means for generating a list of one or more chargers who are members of a token ring network; means for assigning a token to a first charger according to predetermined criteria; means for determining a priority for a token assignment among the one or more members of the token ring network; means for passing the token to an charger with the determined priority using a communications transceiver comprising a gateway; and means for initiating charging with the charger with the determined priority. - View Dependent Claims (45, 46, 47, 48, 49)
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Specification