Motor vehicle

• US 7,309,966 B2
• Filed: 03/25/2004
• Issued: 12/18/2007
• Est. Priority Date: 07/09/2003
• Status: Active Grant

• Current Assignee: Aloys Wobben
• Original Assignee: Aloys Wobben
• Inventors: Wobben, Aloys
• Primary Examiner(s): Leykin, Rita
• Application Number:
  US10/562,548
• Publication Number:
  US 20060244411A1
• Time in Patent Office: 1,363 Days
• Field of Search: 318/139, 320/126, 320/127
• US Class Current: 318/139
• CPC Class Codes: B60L 53/14 Conductive energy transfer
• CPC Class Codes: B60L 53/20 characterised by converters located in the vehicle
• CPC Class Codes: B60L 53/64 Optimising energy costs, e.g. responding to electricity rates
• CPC Class Codes: B60L 55/00 Arrangements for supplying energy stored within a vehicle to a power network, i.e. vehicle-to-grid [V2G] arrangements
• CPC Class Codes: Y02E 60/00 Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
• CPC Class Codes: Y02T 10/70 Energy storage systems for electromobility, e.g. batteries
• CPC Class Codes: Y02T 10/7072 Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
• CPC Class Codes: Y02T 90/12 Electric charging stations
• CPC Class Codes: Y02T 90/14 Plug-in electric vehicles
• CPC Class Codes: Y02T 90/16 Information or communication technologies improving the operation of electric vehicles
• CPC Class Codes: Y02T 90/167 Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
• CPC Class Codes: Y04S 10/126 the energy generation units being or involving electric vehicles [EV] or hybrid vehicles [HEV], i.e. power aggregation of EV or HEV, vehicle to grid arrangements [V2G]
• CPC Class Codes: Y04S 30/14 Details associated with the interoperability, e.g. vehicle recognition, authentication, identification or billing

Abstract

A motor vehicle comprising at least one electric motor, an energy storage device for providing drive energy for the electric motor, a plug connector connected to the energy storage device for connection to a current source and a control means for controlling the flow of current from the current source to the energy storage device characterized in that the control means permits a flow of current from the energy storage device to the electric power network, and that there is provided an inverter, in or outside the vehicle, by means of which the electrical power of the energy storage device can be fed in the form of alternating current into the electric power network.

Claims

1. A motor vehicle comprising:

at least one electric motor;

an electrical energy storage device for providing electrical drive energy for the electric motor;

a plug connector connected to the energy storage device for connection to an electric power network;

a control means for controlling the flow of current from the electric power network to the energy storage device, the control means providing a flow of current from the energy storage device to the electric power network;

the control means including a device for detecting the amount of charge in the energy storage device and interrupting the flow of current from the energy storage device to the network when a predeterminable threshold value of the remaining residual charge amount is reached; and

an input means coupled to the control means for receiving an external trigger and adapted to initiate at least a partial discharge of the electrical energy stored in the electrical energy storage device, which is coupled to the electric power network via the plug connector, in response to the trigger.

2. A motor vehicle as set forth in claim 1, characterized by a communication device for communication between the control means and the network.

3. A motor vehicle as set forth claim 1, characterized in that the control means includes a clock or is connected to a clock.

4. A vehicle as set forth in claim 1, comprising a drive;

a storage device connected thereto for the storage of electrical energy; and

a connection for a supply network, wherein associated with the storage device is a control means, by means of which when connected to the electrical supply network the storage device can be controlledly discharged and the electrical energy is fed into the electrical supply network, wherein the control means includes a device for detecting the amount of charge in the energy storage means and interrupts the flow of current from the energy storage device to the network when a predeterminable threshold value of the remaining residual charge amount is reached.

5. A vehicle as set forth in claim 1, characterized in that by means of the control means the storage device is charged with controlled electrical energy when connected to an electrical supply network.

6. A vehicle as set forth in claim 1, characterized in that associated with the control means is a power management program which, when the vehicle is connected to an electrical supply network, causes an automatic charging or discharging operation for the storage device.

7. A vehicle as set forth in claim 1, characterized in that the vehicle is fitted with a current meter/energy cell which measures the electrical energy received in the storage device and energy fed into the supply network.

8. A vehicle as set forth in claim 1, characterized in that provided in a vehicle is a recording unit which establishes when and what amount of electrical energy was charged into the storage device or fed into the electrical supply network.

9. A vehicle as set forth in claim 1, characterized in that the vehicle has an electrical connection plug which can be connected to a corresponding connection plug of the electrical supply network, wherein the connection plug has a ground line, by means of which data of the vehicle can be exchanged by way of a data network of the electrical supply utility and in addition further data can be fed in by way of the data network.

10. A vehicle as set forth in claim 1, characterized in that provided outside the vehicle is an inverter by means of which the current of the energy storage means of the vehicle is provided for feeding into the current source.

11. A vehicle as set forth in claim 1, characterized in that the vehicle has an electrical connection plug which can be connected to a corresponding connection plug of the electrical supply network, wherein the connection plug has a ground line, by means of which data of the vehicle can be exchanged by way of a data network of the electrical supply utility and in addition further data can be fed in by way of the data network.

12. A vehicle as set forth in claim 1, characterized in that the inverter is provided outside the vehicle by means of which the current of the energy storage means of the vehicle is provided for feeding into the electric supply network.

13. The vehicle according to claim 11, wherein the data provided by the network includes the cost to purchase electricity at a selected time.

14. The vehicle according to claim 11, wherein the data provided by the network is the price the network will pay for power at a selected time.

15. A vehicle as set forth in claim 9 wherein the data corresponds to a condition of the electrical storage device of the vehicle.