Vehicle charging system

Abstract

A vehicle charging system for allowing an electric vehicle to automatically recognize the presence of, and communicate to properly equipped public or private wireless electric vehicle charging station(s) in order to automatically effectuate a partial or complete charging sequence at available opportunities in order to attain a fully charged power pack at all or most times. The vehicle charging system being configured to optimize the charging session with virtually any type of electric vehicle capable of wireless charging.

What is claimed is: 
     
         1 . A vehicle charging system comprising:
 a system controller;   a charging inductive coil; and   a receiving inductive coil;   wherein the system controller is configured to self-initiate a charging session between the charging inductive coil and the receiving inductive coil without human input.   
     
     
         2 . The vehicle charging system according to  claim 1 , wherein the controller is configured to send a signal to an electric vehicle that the vehicle charging system is available. 
     
     
         3 . The vehicle charging system according to  claim 2 , further comprising a vehicle controller arranged on the electric vehicle, wherein the vehicle controller of the electric vehicle is configured to determine whether or not to self-initiate a charging session based on a charging availability signal sent to the electric vehicle by the system controller. 
     
     
         4 . The vehicle charging system according to  claim 3 , wherein the vehicle controller is configured to send an acceptance signal to the system controller to initiate a charging session. 
     
     
         5 . The vehicle charging system according to  claim 4 , wherein the vehicle controller is configured to communicate to the system controller a target charge level. 
     
     
         6 . The vehicle charging system according to  claim 5 , wherein the system controller is configured to determine an identity of the electric vehicle, configured to determine physical characteristics of the electric vehicle, the physical characteristics including an undercarriage height of the electric vehicle from a ground surface and/or a receiving inductive coil height from the ground surface, and the system controller being configured to validate a payment method prior to initiating a charging session with the electric vehicle. 
     
     
         7 . The vehicle charging system according to  claim 5 , wherein the system controller or the vehicle controller is configured to terminate the charging session after a requested recharge level is achieved. 
     
     
         8 . The vehicle charging system according to  claim 5 , wherein the system controller is configured to bill a billing account associated with the electric vehicle that reflects the amount of charging that was performed for the electric vehicle. 
     
     
         9 . The vehicle charging system according to  claim 1 , further comprising a first motor configured to move the charging inductive coil back and forth along a first axis. 
     
     
         10 . The vehicle charging system according to  claim 9 , further comprising a second motor configured to move the charging inductive coil back and forth along a second axis. 
     
     
         11 . The vehicle charging system according to  claim 10 , further comprising a third motor configured to move the charging inductive coil back and forth along a third axis. 
     
     
         12 . The vehicle charging system according to  claim 11 , wherein the system controller is configured to operate the first motor, the second motor and the third motor to move the charging inductive coil to an optimum position for charging the receiving inductive coil based on a position and/or orientation of the receiving inductive coil. 
     
     
         13 . The vehicle charging system according to  claim 1 , wherein the system controller is configured to charge an electric vehicle on request by the vehicle, even if a battery pack of the electric vehicle is fully charged or substantially fully charged, in order to accommodate power needs of electrically powered accessories located within the electric vehicle. 
     
     
         14 . The vehicle charging system according to  claim 1 , further comprising an electric vehicle operatively connected to the receiving inductive coil, the electric vehicle having a mechanism for moving the receiving inductive coil back and forth in a first direction. 
     
     
         15 . The vehicle charging system according to  claim 1 , wherein the system controller is configured to command an electric vehicle to move to an optimum charging position with respect to the charging inductive coil. 
     
     
         16 . The vehicle charging system according to  claim 1 , wherein the system controller is configured to command an ineligible vehicle to move away from a parking space associated with the charging inductive coil, and wherein the ineligible vehicle is not eligible for charging at the vehicle charging system. 
     
     
         17 . A vehicle charging system comprising:
 a system controller;   a common power bus;   a plurality of charging inductive coils operatively connected to the common power bus and the system controller;   wherein the system controller is configured to initiate a charging session between a particular charging inductive coil of the plurality of charging inductive coils when an electric vehicle having a receiving inductive coil is within charging range without human input.   
     
     
         18 . The vehicle charging system according to  claim 17 , wherein the system controller is configured to selectively and dynamically electrically connect and/or electrically disconnect each charging inductive coil of the plurality of the charging inductive coils from the common power bus. 
     
     
         19 . A vehicle charging system comprising:
 a system controller;   a charging inductive coil having a plurality of individual segments, the individual segments configured to form a plurality of different virtual charging inductive coil patterns;   a receiving inductive coil;   wherein the system controller is configured to operate the charging inductive coil to selectively form a particular virtual charging inductive coil pattern of the plurality of different virtual charging inductive coil patterns.   
     
     
         20 . The vehicle charging system according to  claim 19 , wherein the system controller is configured to automatically and dynamically operate the charging inductive coil to form the particular virtual charging inductive coil pattern such that a transfer rate of a transfer of energy from the charging inductive coil to the receiving inductive coil that occurs with the particular virtual charging inductive coil pattern is greater than or equal to the transfer rate of other virtual charging inductive coil patterns of the plurality of different virtual charging inductive coil patterns. 
     
     
         21 . The vehicle charging system according to  claim 20 , wherein the system controller is configured to activate and/or deactivate a plurality of segments of the charging inductive coil in order to form the particular virtual charging inductive coil pattern. 
     
     
         22 . The vehicle charging system according to  claim 19 , wherein the system controller is configured to optimize a transfer rate of energy from the charging inductive coil to the receiving inductive coil by determining a peak transfer rate of energy position, and wherein the system controller is configured to physically direct an electric vehicle connected to the receiving inductive coil to change position towards the determined peak transfer rate of energy position.