Patents by Inventor Hauke Peer Luedders
Hauke Peer Luedders 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).
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Patent number: 10843809Abstract: A fuel cell system for an aircraft includes at least one fuel cell having a first inlet for providing a fuel, a second inlet for providing an oxidant, an outlet for removing exhaust air and a voltage outlet, an electrically operable hydraulic pump, which is integratable into a hydraulics network of the aircraft and connectable to the voltage outlet of the at least one fuel cell and a controllable hydraulic energy converter with changeable operating behaviour. The hydraulic energy converter is adapted for generating such a power demand in the hydraulics network, that the at least one fuel cell provides a predetermined volume flow of oxygen depleted air at the outlet through delivering electrical power to the hydraulic pump.Type: GrantFiled: December 30, 2015Date of Patent: November 24, 2020Assignee: Airbus Operations GmbHInventors: Hauke-Peer Luedders, Sijmen Zandstra, Alexander Fabritz
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Patent number: 10632333Abstract: A supply system for providing at least oxygen depleted air and water in a vehicle includes a catalytic converter, at least one hydrogen supply means, at least one air supply means, at least one outlet for oxygen depleted air, and a control unit coupled with the catalytic converter. The catalytic converter is couplable with the hydrogen supply means and is adapted for producing water under consumption of hydrogen from the at least one hydrogen supply means and oxygen. The catalytic converter is further couplable with the at least one air supply means for additionally producing oxygen depleted air. Further, the control unit is adapted for selectively operating the catalytic converter based on a demand of water and oxygen depleted air.Type: GrantFiled: November 30, 2018Date of Patent: April 28, 2020Assignee: Airbus Operations GmbHInventors: Claus Hoffjann, Barnaby Law, Guido Klewer, Hauke-Peer Lüdders
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Patent number: 10560019Abstract: An aircraft bipolar high-voltage network includes a DC voltage converter comprising two unipolar input connections, two bipolar output connections and a reference potential connection, and at least one unipolar device having two electrical connections which are each coupled to one of the two unipolar input connections. The DC voltage converter has a first DC voltage converter module coupled to a first of the unipolar input connections via a module input connection, to the reference potential connection via a module reference potential connection and to a first of the bipolar output connections via a module output connection, and a second DC voltage converter module coupled to a second of the unipolar input connections via a module input connection, to the reference potential connection via a module reference potential connection and to a second of the bipolar output connections via a module output connection.Type: GrantFiled: March 26, 2018Date of Patent: February 11, 2020Assignee: Airbus Operations GmbHInventors: Alexander Kaiser, Joerg Wangemann, Hauke-Peer Luedders
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Patent number: 10516175Abstract: A fuel cell system for an aircraft includes a fuel cell, wherein at the cathode side a cathode inlet and a cathode outlet is provided, and wherein at the anode side an anode inlet and an anode outlet is provided, and a cathode recirculation channel for passing the cathode product fluid from the cathode outlet to the cathode inlet. In the fuel cell system, the water content of the cathode product fluid in the cathode recirculation channel can be reduced or at least stabilized in a possibly effective way, because the cathode recirculation channel includes a water extraction device for extracting water from the cathode product fluid.Type: GrantFiled: December 12, 2017Date of Patent: December 24, 2019Assignee: Airbus Operations GmbHInventors: Claus Hoffjann, Guido Klewer, Hauke-Peer Lüdders, Sijmen Zandstra
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Publication number: 20190099628Abstract: A supply system for providing at least oxygen depleted air and water in a vehicle includes a catalytic converter, at least one hydrogen supply means, at least one air supply means, at least one outlet for oxygen depleted air, and a control unit coupled with the catalytic converter. The catalytic converter is couplable with the hydrogen supply means and is adapted for producing water under consumption of hydrogen from the at least one hydrogen supply means and oxygen. The catalytic converter is further couplable with the at least one air supply means for additionally producing oxygen depleted air. Further, the control unit is adapted for selectively operating the catalytic converter based on a demand of water and oxygen depleted air.Type: ApplicationFiled: November 30, 2018Publication date: April 4, 2019Applicant: Airbus Operations GmbHInventors: Claus Hoffjann, Barnaby Law, Guido Klewer, Hauke-Peer Lüdders
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Patent number: 10173086Abstract: A supply system for providing at least oxygen depleted air and water in a vehicle includes a catalytic converter, at least one hydrogen supply means, at least one air supply means, at least one outlet for oxygen depleted air, and a control unit coupled with the catalytic converter. The catalytic converter is couplable with the hydrogen supply means and is adapted for producing water under consumption of hydrogen from the at least one hydrogen supply means and oxygen. The catalytic converter is further couplable with the at least one air supply means for additionally producing oxygen depleted air. Further, the control unit is adapted for selectively operating the catalytic converter based on a demand of water and oxygen depleted air.Type: GrantFiled: July 24, 2015Date of Patent: January 8, 2019Assignee: Airbus Operations GmbHInventors: Claus Hoffjann, Barnaby Law, Guido Klewer, Hauke-Peer Lüdders
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Patent number: 10063142Abstract: An aircraft bipolar high-voltage network includes a DC voltage converter comprising two unipolar input connections, two bipolar output connections and a reference potential connection, and at least one unipolar device having two electrical connections which are each coupled to one of the two unipolar input connections. The DC voltage converter has a first DC voltage converter module coupled to a first of the unipolar input connections via a module input connection, to the reference potential connection via a module reference potential connection and to a first of the bipolar output connections via a module output connection, and a second DC voltage converter module coupled to a second of the unipolar input connections via a module input connection, to the reference potential connection via a module reference potential connection and to a second of the bipolar output connections via a module output connection.Type: GrantFiled: February 19, 2015Date of Patent: August 28, 2018Assignee: Airbus Operations GmbHInventors: Alexander Kaiser, Joerg Wangemann, Hauke-Peer Luedders
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Publication number: 20180219479Abstract: An aircraft bipolar high-voltage network includes a DC voltage converter comprising two unipolar input connections, two bipolar output connections and a reference potential connection, and at least one unipolar device having two electrical connections which are each coupled to one of the two unipolar input connections. The DC voltage converter has a first DC voltage converter module coupled to a first of the unipolar input connections via a module input connection, to the reference potential connection via a module reference potential connection and to a first of the bipolar output connections via a module output connection, and a second DC voltage converter module coupled to a second of the unipolar input connections via a module input connection, to the reference potential connection via a module reference potential connection and to a second of the bipolar output connections via a module output connection.Type: ApplicationFiled: March 26, 2018Publication date: August 2, 2018Inventors: Alexander Kaiser, Joerg Wangemann, Hauke-Peer Luedders
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Publication number: 20180102557Abstract: A fuel cell system for an aircraft includes a fuel cell, wherein at the cathode side a cathode inlet and a cathode outlet is provided, and wherein at the anode side an anode inlet and an anode outlet is provided, and a cathode recirculation channel for passing the cathode product fluid from the cathode outlet to the cathode inlet. In the fuel cell system, the water content of the cathode product fluid in the cathode recirculation channel can be reduced or at least stabilized in a possibly effective way, because the cathode recirculation channel includes a water extraction device for extracting water from the cathode product fluid.Type: ApplicationFiled: December 12, 2017Publication date: April 12, 2018Applicant: Airbus Operations GmbHInventors: Claus Hoffjann, Guido Klewer, Hauke-Peer Lüdders, Sijmen Zandstra
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Patent number: 9882227Abstract: A fuel cell system for an aircraft includes a fuel cell, wherein at the cathode side a cathode inlet and a cathode outlet is provided, and wherein at the anode side an anode inlet and an anode outlet is provided, and a cathode recirculation channel for passing the cathode product fluid from the cathode outlet to the cathode inlet. In the fuel cell system, the water content of the cathode product fluid in the cathode recirculation channel can be reduced or at least stabilized in a possibly effective way, because the cathode recirculation channel includes a water extraction device for extracting water from the cathode product fluid.Type: GrantFiled: August 20, 2015Date of Patent: January 30, 2018Assignee: Airbus Operations GmbHInventors: Claus Hoffjann, Guido Klewer, Hauke-Peer Lüdders, Sijmen Zandstra
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Patent number: 9859801Abstract: A bipolar high-voltage network for an aircraft or spacecraft. The network includes at least one DC-DC converter having two unipolar input connections and two bipolar output connections as well as a reference potential connection, at least two fuel cell stacks which are coupled in series between the two unipolar input connections, and at least two discharge diodes, each connected in parallel with the output connections of one of the at least two fuel cell stacks. The DC-DC converter is operable selectively in a step-up converter mode of operation or a step-down converter mode of operation, as a function of an input voltage between the unipolar input connections.Type: GrantFiled: February 23, 2015Date of Patent: January 2, 2018Assignee: Airbus Operations GmbHInventors: Joerg Wangemann, Hauke-Peer Luedders, Alexander Kaiser
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Patent number: 9698435Abstract: A system for cooling an aircraft fuel cell system comprising a first cooling circuit thermally coupled to a first fuel cell, to remove thermal energy generated by the first fuel cell during operation from the first fuel cell, and a first heat exchanger arranged in the first cooling circuit and adapted to transfer thermal energy, removed from the first fuel cell via the first cooling circuit, to the aircraft surroundings. The system comprises a second cooling circuit thermally coupled to a second fuel cell, to remove thermal energy generated by the second fuel cell during operation from the second fuel cell, and a second heat exchanger arranged in the second cooling circuit and adapted to transfer thermal energy, removed from the second fuel cell via the second cooling circuit, to the aircraft surroundings. The first cooling circuit is thermally couplable to the second cooling circuit.Type: GrantFiled: July 10, 2014Date of Patent: July 4, 2017Assignee: AIRBUS OPERATIONS GMBHInventors: Guido Klewer, Hauke Peer Luedders, Sebastian Mock, Christian Mueller
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Publication number: 20160200447Abstract: A fuel cell system for an aircraft includes at least one fuel cell having a first inlet for providing a fuel, a second inlet for providing an oxidant, an outlet for removing exhaust air and a voltage outlet, an electrically operable hydraulic pump, which is integratable into a hydraulics network of the aircraft and connectable to the voltage outlet of the at least one fuel cell and a controllable hydraulic energy converter with changeable operating behaviour. The hydraulic energy converter is adapted for generating such a power demand in the hydraulics network, that the at least one fuel cell provides a predetermined volume flow of oxygen depleted air at the outlet through delivering electrical power to the hydraulic pump.Type: ApplicationFiled: December 30, 2015Publication date: July 14, 2016Applicant: Airbus Operations GmbHInventors: Hauke-Peer Luedders, Sijmen Zandstra, Alexander Fabritz
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Publication number: 20160064751Abstract: A fuel cell system for an aircraft includes a fuel cell, wherein at the cathode side a cathode inlet and a cathode outlet is provided, and wherein at the anode side an anode inlet and an anode outlet is provided, and a cathode recirculation channel for passing the cathode product fluid from the cathode outlet to the cathode inlet. In the fuel cell system, the water content of the cathode product fluid in the cathode recirculation channel can be reduced or at least stabilized in a possibly effective way, because the cathode recirculation channel includes a water extraction device for extracting water from the cathode product fluid.Type: ApplicationFiled: August 20, 2015Publication date: March 3, 2016Applicant: AIRBUS OPERATIONS GMBHInventors: Claus Hoffjann, Guido Klewer, Hauke-Peer Lüdders, Sijmen Zandstra
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Publication number: 20160030781Abstract: A supply system for providing at least oxygen depleted air and water in a vehicle includes a catalytic converter, at least one hydrogen supply means, at least one air supply means, at least one outlet for oxygen depleted air, and a control unit coupled with the catalytic converter. The catalytic converter is couplable with the hydrogen supply means and is adapted for producing water under consumption of hydrogen from the at least one hydrogen supply means and oxygen. The catalytic converter is further couplable with the at least one air supply means for additionally producing oxygen depleted air. Further, the control unit is adapted for selectively operating the catalytic converter based on a demand of water and oxygen depleted air.Type: ApplicationFiled: July 24, 2015Publication date: February 4, 2016Applicant: Airbus Operations GmbHInventors: Claus Hoffjann, Barnaby Law, Guido Klewer, Hauke-Peer Lüdders
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Publication number: 20160036071Abstract: A fuel cell system for a vehicle comprises at least one fuel cell, at least one fuel cell heat exchanger arranged in or at the at least one fuel cell for receiving heat of the at least one fuel cell, at least one thermal dissipation unit, at least one additional heat exchanger and a cooling loop having a plurality of fluid line segments for conveying a coolant. The at least one fuel cell heat exchanger is coupled with the at least one thermal dissipation unit through the cooling loop, and the additional heat exchanger is arranged in the cooling loop and is adapted for receiving heat from an external source and for raising the temperature of a coolant flowing in the cooling loop.Type: ApplicationFiled: July 28, 2015Publication date: February 4, 2016Inventors: Guido KLEWER, Hauke-Peer LUEDDERS
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Publication number: 20150244259Abstract: An aircraft bipolar high-voltage network includes a DC voltage converter comprising two unipolar input connections, two bipolar output connections and a reference potential connection, and at least one unipolar device having two electrical connections which are each coupled to one of the two unipolar input connections. The DC voltage converter has a first DC voltage converter module coupled to a first of the unipolar input connections via a module input connection, to the reference potential connection via a module reference potential connection and to a first of the bipolar output connections via a module output connection, and a second DC voltage converter module coupled to a second of the unipolar input connections via a module input connection, to the reference potential connection via a module reference potential connection and to a second of the bipolar output connections via a module output connection.Type: ApplicationFiled: February 19, 2015Publication date: August 27, 2015Inventors: Alexander Kaiser, Joerg Wangemann, Hauke-Peer Luedders
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Publication number: 20150244277Abstract: A bipolar high-voltage network for an aircraft or spacecraft. The network includes at least one DC-DC converter having two unipolar input connections and two bipolar output connections as well as a reference potential connection, at least two fuel cell stacks which are coupled in series between the two unipolar input connections, and at least two discharge diodes, each connected in parallel with the output connections of one of the at least two fuel cell stacks. The DC-DC converter is operable selectively in a step-up converter mode of operation or a step-down converter mode of operation, as a function of an input voltage between the unipolar input connections.Type: ApplicationFiled: February 23, 2015Publication date: August 27, 2015Inventors: Joerg Wangemann, Hauke-Peer Luedders, Alexander Kaiser
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Publication number: 20150017559Abstract: A system for cooling an aircraft fuel cell system comprising a first cooling circuit thermally coupled to a first fuel cell, to remove thermal energy generated by the first fuel cell during operation from the first fuel cell, and a first heat exchanger arranged in the first cooling circuit and adapted to transfer thermal energy, removed from the first fuel cell via the first cooling circuit, to the aircraft surroundings. The system comprises a second cooling circuit thermally coupled to a second fuel cell, to remove thermal energy generated by the second fuel cell during operation from the second fuel cell, and a second heat exchanger arranged in the second cooling circuit and adapted to transfer thermal energy, removed from the second fuel cell via the second cooling circuit, to the aircraft surroundings. The first cooling circuit is thermally couplable to the second cooling circuit.Type: ApplicationFiled: July 10, 2014Publication date: January 15, 2015Inventors: Guido Klewer, Hauke Peer Luedders, Sebastian Mock, Christian Mueller