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US 2013/0154562 A1Published application
Electric vehicle charging system and method
AssigneeNXP B.V.
InventorsLukasz Szostek, Jan Rene Brands
Life of this patent
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Abstract
The invention provides an electric vehicle charging system in which the charging station and the vehicle each have a power transfer measurement unit, and a communication system for communicating data at least from the vehicle to the station. The power delivery is controlled based on a comparison of power transfer measurements made by the charging station and by the electric vehicle control system.
Claims11
An electric vehicle charging system, comprising:
- a charging station which comprises:
- a power delivery system;
- a power transfer measurement unit;
- and
- a communication system for communicating with an electric vehicle;
- and
- a charging monitor mounted in an electric vehicle which comprises:
- a power transfer measurement unit;
- and
- a communication system for communicating with the charging station,
- wherein the electric vehicle charging system comprises a controller which is adapted to control the power delivery from the charging station to the electric vehicle based on a comparison of power transfer measurements made by the charging station and by the electric vehicle charging monitor,
- the system further comprising a vehicle payment module and a station payment module, wherein the vehicle payment module is adapted to transfer funds to the station payment module,
- and wherein the controller is adapted to implement the power delivery in increments, and to implement the funds transfer in corresponding increments.
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A method of controlling delivery of electric power to an electric vehicle at a charging system, comprising:
- delivering power from a charging station and measuring the power delivered;
- receiving power in the electric vehicle and measuring the received power delivered;
- implementing communication between the electric vehicle and the charging station;
- controlling the power delivery from the charging station to the electric vehicle based on a comparison of the power delivery measurements,
- transferring funds from a vehicle payment module to station payment module;
- implementing the power delivery in increments, and implementing the funds transfer in corresponding increments.
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Dependencies are inferred from the claim text.