ENERGY SUPPLY SYSTEM FOR SUPPLYING ENERGY TO AIRCRAFT SYSTEMS

• US 20100019568A1
• Filed: 09/27/2006
• Published: 01/28/2010
• Est. Priority Date: 09/29/2005
• Status: Active Grant

• Current Assignee: Airbus Operations GmbH (Airbus SE)
• Original Assignee: Airbus Deutschland GmbH (Airbus SE)
• Inventors: Gründel, Harald, Stolte, Ralf-Henning
• Granted Patent: US 8,569,906 B2
• Time in Patent Office: Days
• US Class Current: 307/9.100
• CPC Class Codes: B64D 2041/005 Fuel cells
• CPC Class Codes: B64D 41/00 Power installations for auxiliary purposes
• CPC Class Codes: H01M 16/003 of fuel cells with other electrochemical devices, e.g. capacitors, electrolysers
• CPC Class Codes: H01M 2250/20 Fuel cells in motive systems, e.g. vehicle, ship, plane
• CPC Class Codes: H02J 2300/30 The power source being a fuel cell
• CPC Class Codes: H02J 2310/44 for aircrafts
• CPC Class Codes: H02J 4/00 Circuit arrangements for mains or distribution networks not specified as ac or dc
• CPC Class Codes: H02J 7/34 Parallel operation in networks using both storage and other dc sources, e.g. providing buffering H02J7/14 takes precedence
• CPC Class Codes: H02J 7/345 using capacitors as storage or buffering devices
• CPC Class Codes: Y02E 60/50 Fuel cells
• CPC Class Codes: Y02T 50/50 On board measures aiming to increase energy efficiency
• CPC Class Codes: Y02T 90/40 Application of hydrogen technology to transportation, e.g. using fuel cells

Abstract

An energy supply system for an aircraft comprises at least one fuel cell and at least one energy storage device, wherein the fuel cell, of which there is at least one, is coupled to the energy storage device, of which there is at least one, such that the energy storage device can be charged by means of the fuel cell.

Claims

1. An energy supply system for energy supply of at least one consumer in an aircraft, the energy supply system comprising:

at least one fuel cell;

at least one electrical energy storage device;

at least one auxiliary power unit;

wherein the at least one fuel cell is coupled to the at least one electrical energy storage device such that the at least one electrical energy storage device can be charged by means of the fuel cell, and

wherein the at least one electrical energy storage device is arranged as a buffer storage device between the at least one fuel cell and the at least one consumer.

2. The energy supply system of claim 1, wherein said at least one electrical energy storage device is a plurality of electrical energy storage devices and said at least one fuel cell is a plurality of fuel cells.

3. The energy supply system of claim 1,

wherein the at least one electrical energy storage device is a capacitor.

4. The energy supply system of claim 1,

wherein the energy supply system is a passive system.

5. The energy supply system of claim 1, further comprising:

at least one inverted rectifier and/or at least one rectifier.

6. The energy supply system of claim 5,

wherein the at least one inverted rectifier and/or the at least one rectifier convert electrical energy provided by the at least one fuel cell and/or of the at least one electrical energy storage device.

7. The energy supply system of claim 6,

wherein the conversion relates to voltage and/or to frequency.

8. The energy supply system of claim 1, further comprising:

a control unit,

wherein the control unit controls the at least one electrical energy storage device to buffer demand peaks of electrical loads.

10. The energy supply system of claim 1,

wherein the energy supply system is designed such that the electrical energy storage device can be charged of an electrical energy recovery system from at least one of an electrical consumer load and an aircraft'"'"'s on-board network.

12. An aircraft comprising an energy supply system of claim 1.

13. The use of an energy supply system of claim 1 in an aircraft.

9. (canceled)

11. (canceled)

14. A method for operating an energy supply system in an aircraft, the method comprising:

providing electrical energy by a fuel cell,

storing the provided electrical energy in an intermediate storage device.