Patents by Inventor Claus Hoffjann

Claus Hoffjann has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20080299432
    Abstract: The present invention provides a fuel cell system for the supply of a vehicle with drinking water and oxygen, said fuel cell system comprising a fuel cell and an electrolysis cell with air cathode. In addition, the electrolysis cell is coupled to the fuel cell, and the fuel cell and the electrolysis cell are designed in such a way that a power requirement of the electrolysis cell is completely covered by a power delivery from the fuel cell.
    Type: Application
    Filed: September 7, 2006
    Publication date: December 4, 2008
    Applicant: AIRBUS DEUTSCHLAND GMBH
    Inventors: Claus Hoffjann, Hansgeorg Schuldzig
  • Patent number: 7431238
    Abstract: An arrangement and a method are proposed for the generation of water on board an aircraft with the use of one or more fuel cells, whereby low-temperature fuel cells are provided as fuel cells. It is proposed that several single-cell or few-cell fuel cells may form a fuel-cell panel or cell array and several cell panels or cell arrays may be arranged close to the inside of the aircraft fuselage and the cathode side of the at least one fuel cell has a chamber pointing to the exterior of the aircraft for the condensation of the water contained in the air and the anode side has a chamber carrying a combustion gas, for example hydrogen. With the proposed solution, a reduction in the storage capacity for drinking water and its quality-assured provision may be enabled and moreover, with the use of fuel cells as a virtual power station, the energy demand on engine generators, auxiliary power unit (APU) or ram air turbine (RAT) may be reduced.
    Type: Grant
    Filed: July 19, 2006
    Date of Patent: October 7, 2008
    Assignee: Airbus Deutschland GmbH
    Inventors: Claus Hoffjann, Hansgeorg Schuldzig, Hans-Juergen Heinrich
  • Publication number: 20080178609
    Abstract: In one embodiment, a combined cooling and heating system comprises a hydrogen reservoir. The combined cooling and heating system may be used in an aircraft. During a charging of the hydrogen reservoir, with hydrogen, a kitchen appliance is heated, and during the discharging process, the hydrogen reservoir cools the fuel cell system.
    Type: Application
    Filed: July 24, 2007
    Publication date: July 31, 2008
    Applicant: Airbus Deutschland GmbH
    Inventors: Claus Hoffjann, Hansgeorg Schuldzig
  • Publication number: 20080179050
    Abstract: A water generation system for the generation of water on board an aircraft, in one example, may be used for the cooling of the fuel cell exhaust air cabin air which is drawn off through the condenser due to the pressure difference between the cabin pressure and ambient pressure and may not require extensive cooling circuits or pumps.
    Type: Application
    Filed: July 27, 2007
    Publication date: July 31, 2008
    Applicant: Airbus Deutschland GmbH
    Inventors: Christian Wolff, Markus Maibach, Claus Hoffjann
  • Publication number: 20080149770
    Abstract: A passenger seat has autonomous electric power generated by a fuel cell system and humidification provided by the fuel cell system. The fuel cell system may include replaceable fuel cartridges and may power electronics such as in flight entertainment, lighting, comfort features, seat adjustments, communications and other features autonomously or under control of the seat occupant.
    Type: Application
    Filed: May 2, 2007
    Publication date: June 26, 2008
    Applicant: Airbus Deutschland GmbH
    Inventors: Claus Hoffjann, Hansgeorg Schuldzig
  • Publication number: 20080128248
    Abstract: A sorting device and a method for sorting goods in transit for an aircraft are disclosed. The sorting device includes a sorting region with a sorting unit and a storage region. The sorting region is adapted such that goods in transit are capable of being provided to the sorting region in an undetermined first arrangement. The sorting region includes a longitudinal axis, where a sorting unit may be moved along the longitudinal axis of the sorting region. The sorting unit is capable of sorting the goods in transit from an undetermined first arrangement to a predetermined second arrangement, where the goods in transit may be provided in the predetermined second arrangement in the storage region.
    Type: Application
    Filed: May 11, 2007
    Publication date: June 5, 2008
    Applicant: Airbus Deutschland GmbH
    Inventors: Claus Hoffjann, Hansgeorg Schuldzig
  • Publication number: 20080127411
    Abstract: A sanitary device for autonomous operation for a conveyance. The sanitary device has a sanitary module and a supply system. The sanitary module is set up replaceably in a cabin area of the conveyance. The supply system is set up in the sanitary module to supply it. The sanitary module is autonomously operable.
    Type: Application
    Filed: September 5, 2007
    Publication date: June 5, 2008
    Applicant: Airbus Deutschland GmbH
    Inventors: Claus Hoffjann, Hansgeorg Schuldzig, Heinz-Detlef Naeve, Juergen-Friedrich Haastert
  • Publication number: 20080038597
    Abstract: A system for generating energy for a consumer element in an aircraft includes the consumer element with a fuel cell element and a rechargeable metal hydride storage cell. The rechargeable metal hydride storage cell is designed for supplying the fuel cell element with hydrogen such that energy can be generated for the consumer element. The rechargeable metal hydride storage cell is furthermore designed in such a way that it can be charged with hydrogen.
    Type: Application
    Filed: August 8, 2007
    Publication date: February 14, 2008
    Applicant: Airbus Deutschland GmbH
    Inventors: Claus Hoffjann, Hansgeorg Schuldzig
  • Publication number: 20080001026
    Abstract: A supply system for the energy supply in an aircraft comprising an engine for propelling an aircraft, a fuel cell for supplying an aircraft with electric energy, a first fuel reservoir for supplying the engine with engine fuel and a second fuel reservoir for supplying the fuel cell with fuel cell fuel. The first fuel reservoir is arranged separately of the second fuel reservoir.
    Type: Application
    Filed: December 2, 2005
    Publication date: January 3, 2008
    Applicant: Airbus Deutschland GmbH
    Inventors: Claus Hoffjann, Hansgeorg Schuldzig, Torge Pfafferott, Lars Frahm, Lars Nickel
  • Publication number: 20070172707
    Abstract: A fuel cell system comprises a combination of a first fuel cell of a first type and a second fuel cell of a second type, arranged downstream of the first fuel cell. The anode side of the first fuel cell is coupled with a cathode side of the second fuel cell; allowing the purge gas emanating from the first fuel cell to be fed to the cathode side of the second fuel chamber, rather than to outside air.
    Type: Application
    Filed: January 22, 2007
    Publication date: July 26, 2007
    Applicant: Airbus Deutschland GmbH
    Inventors: Claus Hoffjann, Hansgeorg Schuldzig
  • Publication number: 20070119863
    Abstract: A drink dispenser (10) which is particularly suitable for use on board a passenger plane, comprises a drink preparation unit (12) and a supply unit (14). The supply unit (12) has a fuel cell system (16) with a fuel cell (18) and is configured to supply the drink preparation unit (12) with water produced by the fuel cell (18).
    Type: Application
    Filed: November 16, 2006
    Publication date: May 31, 2007
    Applicant: AIRBUS DEUTSCHLAND GMBH
    Inventors: Claus Hoffjann, Andreas Westenberger
  • Publication number: 20070111060
    Abstract: A safety system for reducing the explosion risk of a fuel tank comprises a protective gas generating device and a delivery device for delivering the protective gas generated by the protective gas generating device into the fuel tank. The protective gas generating device (24) comprises a fuel cell system (26) having a fuel cell (28) and is configured so as to provide the delivery device (14) with a protective gas generated by the fuel cell (28) during operation of the fuel cell system (26).
    Type: Application
    Filed: November 16, 2006
    Publication date: May 17, 2007
    Applicant: AIRBUS DEUTSCHLAND GMBH
    Inventors: Claus Hoffjann, Andreas Westenberger
  • Publication number: 20070111066
    Abstract: A wellness facility (10), which is suitable, in particular, for use on board an aeroplane, comprises a wellness unit (12) and a supply unit (14). The supply unit (14) comprises a fuel-cell system (16) with a fuel cell (18) and is adapted to supply the wellness unit (12) with water generated by the fuel cell (18).
    Type: Application
    Filed: November 16, 2006
    Publication date: May 17, 2007
    Applicant: AIRBUS DEUTSCHLAND GMBH
    Inventors: Claus Hoffjann, Andreas Westenberger
  • Publication number: 20070110861
    Abstract: An apparatus (10) for preparing meals, which is suitable in particular for use on board a commercial aircraft, comprises a meal preparation unit (12) and a supply unit (14). The supply unit (12) comprises a fuel cell system (16) having a fuel cell (18) and is equipped to supply the meal preparation unit (12) with water produced by the fuel cell (18).
    Type: Application
    Filed: November 16, 2006
    Publication date: May 17, 2007
    Applicant: AIRBUS DEUTSCHLAND GMBH
    Inventors: Claus Hoffjann, Andreas Westenberger
  • Publication number: 20070102370
    Abstract: A grey-water utilisation system for an aircraft for treating grey water from the lavatory basins to become odourless clear water used for flushing the toilets. Freight compartment drainage can be by way of drainage valves embedded in the fuselage, or alternatively, by way of removal by suction into a waste-water collection tank.
    Type: Application
    Filed: February 8, 2006
    Publication date: May 10, 2007
    Applicant: Airbus Deutschland GmbH
    Inventors: Claus Hoffjann, Andreas Tutass, Hans-Juergen Heinrich
  • Patent number: 7208239
    Abstract: An apparatus includes a low temperature fuel cell, a high temperature fuel cell or a hydrocarbon reformer, a hydrocarbon fuel supply, an oxygen generator, and a molecular sieve. The oxygen generator separates air to provide oxygen enriched air to the fuel cells and the reformer. Hydrocarbon fuel is provided to the high temperature fuel cell or the reformer, and the exhaust gas thereof may be separated through the molecular sieve, to provide hydrogen enriched gas to the low temperature fuel cell, water, carbon monoxide, and carbon dioxide. The low temperature fuel cell outputs nitrogen gas and high purity water. The emitted carbon oxides and nitrogen oxides are catalytically converted to nitrogen and carbon dioxide being returned to the atmosphere. The process and apparatus are very efficient, produce high purity water and electrical energy, and are environmentally friendly.
    Type: Grant
    Filed: April 14, 2003
    Date of Patent: April 24, 2007
    Assignee: Airbus Deutschland GmbH
    Inventors: Claus Hoffjann, Hans-Juergen Heinrich
  • Publication number: 20070068575
    Abstract: In present-day aircraft a drain mast is used on the underside of the fuselage in order to discharge grey water to the external environment. According to an exemplary embodiment of the present invention there is no need to provide such a drain mast in that a transfer unit is used as a connection unit, and buffer storage spaces are used between the wash basins and the vacuum waste-water system. The transfer unit comprises a self-opening valve with a floating body for automatic discharge. This purely mechanical function and the simple design result in low susceptibility to malfunction and in a long service life.
    Type: Application
    Filed: September 21, 2006
    Publication date: March 29, 2007
    Applicant: Airbus Deutschland GmbH
    Inventors: Claus Hoffjann, Harald Gruendel
  • Publication number: 20070069078
    Abstract: Currently, the wastewater collection tank and the freshwater tanks comprise separate containers which are each mounted individually in the pressurized area of the cabin on the structure. In the present application a water-wastewater module is described which has two tanks for disposing of feces and wastewater and a water generation unit in the form of the fuel-cell module as integral components. The module and the fuselage may advantageously be manufactured separately from one another and first have to be combined during the final mounting of the aircraft.
    Type: Application
    Filed: September 21, 2006
    Publication date: March 29, 2007
    Applicant: Airbus Deutschland GmbH
    Inventors: Claus Hoffjann, Wolfgang Zierold, Andreas Westenberger
  • Patent number: 7172702
    Abstract: Wastewater, particularly black water and/or gray water, is used, for example in an aircraft, for processing fuels used in a high temperature fuel cell. For this purpose a liquid hydrocarbon fuel is used for producing an emulsion for use as fuel in the high temperature fuel cell. The liquid hydrocarbon fuel is preferably kerosene. The liquid hydrocarbon fuel is first emulsified with the wastewater which is first passed through a treatment such as filtering, reverse osmosis, or any other cleaning treatment that makes the wastewater suitable for emulsifying the liquid hydrocarbon fuel. The emulsion is then supplied as fuel to the high temperature fuel cell. Thus, smaller and hence lighter storage facilities for the wastewater can be used.
    Type: Grant
    Filed: June 30, 2003
    Date of Patent: February 6, 2007
    Assignee: Airbus Deutschland GmbH
    Inventors: Claus Hoffjann, Hans-Juergen Heinrich
  • Publication number: 20060273224
    Abstract: A drain-mast connector, for use in transportation vehicles such asn aircraft includes an interface pipe which extends through an outer skin of a fuselage of an aircraft via a nipple-like connector. Such a connector allows for simple plug connection of the drain mast pipe and allows less contamination of the fuselage due to grey water disposal. Such a plug-like connection does not require a complicated mounting process.
    Type: Application
    Filed: May 18, 2006
    Publication date: December 7, 2006
    Applicant: Airbus Deutschland GmbH
    Inventors: Claus Hoffjann, Holger Czopka, Harald Grundel