Patents by Inventor Wolfgang Drenckhahn

Wolfgang Drenckhahn 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).

  • Patent number: 9768480
    Abstract: A stack for an electrical energy accumulator is provided having at least one storage cell, which in turn has a storage electrode and an air electrode that is connected to an air supply device, the air supply device having an air distribution plate, wherein the stack also has a water vapor supply device which is in contact with the storage electrode and the air distribution plate has at least one element of the water vapor supply device.
    Type: Grant
    Filed: January 11, 2013
    Date of Patent: September 19, 2017
    Assignee: Siemens Aktiengesellschaft
    Inventors: Wolfgang Drenckhahn, Horst Greiner, Johann Rothfischer
  • Patent number: 9722290
    Abstract: A storage cell has an air electrode, connected to an air supply device, and a storage device. Channels for receiving a storage medium rest on the storage electrode. In addition, partition walls for partitioning off the channels with respect to one another are provided. The partition walls have a recess in the region of the storage electrode. This recess serves the purpose of spacing apart the storage medium from the storage electrode.
    Type: Grant
    Filed: May 27, 2013
    Date of Patent: August 1, 2017
    Assignee: SIEMENS AKTIENGESELLSCHAFT
    Inventors: Wolfgang Drenckhahn, Horst Greiner
  • Patent number: 9620833
    Abstract: An electric energy store includes a positive electrode, a negative electrode and an oxygen ion conducting electrolyte separating the positive electrode and the negative electrode from each other. The negative electrode includes a first reservoir having a gas-permeable oxidizable material and, contained therein, a gaseous, oxygen-exchanging redox pair. The positive electrode comprises a second reservoir having a gas-permeable oxidizable material and oxygen transport is effected by means of an oxygen-containing gaseous compound, wherein the positive electrode is closed with respect to the atmosphere.
    Type: Grant
    Filed: March 1, 2012
    Date of Patent: April 11, 2017
    Assignee: SIEMENS AKTIENGESELLSCHAFT
    Inventors: Wolfgang Drenckhahn, Harald Landes
  • Patent number: 9583804
    Abstract: An energy store is provided, having at least one stack, each stack having at least one storage cell, which in turn has an air electrode and a storage electrode. The storage electrode is adjacent to channels, which contain a storage medium and water vapor. The channels have a larger cross-sectional area than the cross-section of the storage medium, which condition causes unhindered spreading of a reaction gas in the area between the storage electrode and the storage medium.
    Type: Grant
    Filed: September 10, 2013
    Date of Patent: February 28, 2017
    Assignee: Siemens Aktiengesellschaft
    Inventors: Wolfgang Drenckhahn, Horst Greiner, Norbert Kellner, Harald Landes, Roland Reichenbacher
  • Patent number: 9502742
    Abstract: An electrical energy store having at least one stack with in each case at least one storage cell. Each storage cell has an air electrode, which is connected to an air supply apparatus, and a storage electrode. The storage electrode adjoins channels which contain a storage medium and a steam/hydrogen mixture. A reservoir of steam/hydrogen is provided, the reservoir being directly connected to the channels.
    Type: Grant
    Filed: March 19, 2013
    Date of Patent: November 22, 2016
    Assignee: SIEMENS AKTIENGESELLSCHAFT
    Inventors: Wolfgang Drenckhahn, Horst Greiner, Norbert Kellner, Harald Landes
  • Publication number: 20150340748
    Abstract: A storage cell has an air electrode, connected to an air supply device, and a storage device. Channels for receiving a storage medium rest on the storage electrode. In addition, partition walls for partitioning off the channels with respect to one another are provided. The partition walls have a recess in the region of the storage electrode. This recess serves the purpose of spacing apart the storage medium from the storage electrode.
    Type: Application
    Filed: May 27, 2013
    Publication date: November 26, 2015
    Applicant: SIEMENS AKTIENGESELLSCHAFT
    Inventors: Wolfgang DRENCKHAHN, Horst GREINER
  • Publication number: 20150249279
    Abstract: An energy store is provided, having at least one stack, each stack having at least one storage cell, which in turn has an air electrode and a storage electrode. The storage electrode is adjacent to channels, which contain a storage medium and water vapor. The channels have a larger cross-sectional area than the cross-section of the storage medium, which condition causes unhindered spreading of a reaction gas in the area between the storage electrode and the storage medium.
    Type: Application
    Filed: September 10, 2013
    Publication date: September 3, 2015
    Applicant: Siemens Aktiengesellschaft
    Inventors: Wolfgang Drenckhahn, Horst Greiner, Norbert Kellner, Harald Landes, Roland Reichenbacher
  • Patent number: 9054366
    Abstract: An electrical energy storage device is provided which comprises at least one module with a negative electrode, a positive electrode made from an anion generating material or material combination and conducting anions, and an anion conducting solid electrolyte located between the negative electrode and the positive electrode. The negative electrode of each module comprises a porous structure that conducts anions and the pore space of which is at least partially filled by a first redox mass which comprises a metal/metal oxide pair. The positive electrode of each module comprises a porous structure that conducts anions and the pore space of which is at least partially filled by a second redox mass which comprises a metal/metal oxide pair with an increased oxidation potential compared to the first redox mass.
    Type: Grant
    Filed: November 24, 2010
    Date of Patent: June 9, 2015
    Assignee: SIEMENS AKTIENGESELLSCHAFT
    Inventors: Wolfgang Drenckhahn, Harald Landes, Wolfgang Menapace, Shailesh D. Vora, Nicolas Vortmeyer
  • Publication number: 20150010834
    Abstract: A stack for an electrical energy accumulator is provided having at least one storage cell, which in turn has a storage electrode and an air electrode that is connected to an air supply device, the air supply device having an air distribution plate, wherein the stack also has a water vapour supply device which is in contact with the storage electrode and the air distribution plate has at least one element of the water vapour supply device.
    Type: Application
    Filed: January 11, 2013
    Publication date: January 8, 2015
    Inventors: Wolfgang Drenckhahn, Horst Greiner, Johann Rothfischer
  • Publication number: 20140004395
    Abstract: An electric energy store includes a positive electrode, a negative electrode and an oxygen ion conducting electrolyte separating the positive electrode and the negative electrode from each other. The negative electrode includes a first reservoir having a gas-permeable oxidizable material and, contained therein, a gaseous, oxygen-exchanging redox pair. The positive electrode comprises a second reservoir having a gas-permeable oxidizable material and oxygen transport is effected by means of an oxygen-containing gaseous compound, wherein the positive electrode is closed with respect to the atmosphere.
    Type: Application
    Filed: March 1, 2012
    Publication date: January 2, 2014
    Inventors: Wolfgang Drenckhahn, Harald Landes
  • Publication number: 20120129039
    Abstract: An electrical energy storage device is provided which comprises at least one module with a negative electrode, a positive electrode made from an anion generating material or material combination and conducting anions, and an anion conducting solid electrolyte located between the negative electrode and the positive electrode. The negative electrode of each module comprises a porous structure that conducts anions and the pore space of which is at least partially filled by a first redox mass which comprises a metal/metal oxide pair. The positive electrode of each module comprises a porous structure that conducts anions and the pore space of which is at least partially filled by a second redox mass which comprises a metal/metal oxide pair with an increased oxidation potential compared to the first redox mass.
    Type: Application
    Filed: November 24, 2010
    Publication date: May 24, 2012
    Inventors: Wolfgang Drenckhahn, Harald Landes, Wolfgang Menapace, Nicolas Vortmeyer, Shailesh D. Vora
  • Publication number: 20120129058
    Abstract: An electrical energy storage device is provided which comprises at least one module with an anode, a cathode made from an anion generating material or material combination and conducting anions, and an anion conducting solid electrolyte located between the anode and the cathode. The anode of each module comprises a porous structure that conducts anions and is infiltrated by a liquid infiltration mass which comprises a metal in a non-oxidised and/or in an oxidised state.
    Type: Application
    Filed: November 24, 2010
    Publication date: May 24, 2012
    Inventors: Kevin P. Litzinger, Wolfgang Drenckhahn, Nicolas Vortmeyer, Shailesh D. Vora, Wolfgang Menapace
  • Patent number: 5914200
    Abstract: A high-temperature fuel cell system having a particularly simple construction and a particularly low power requirement for a compressor on the air side, includes at least one high-temperature fuel cell stack being disposed in a container and forming a partition or part of a partition separating an air entry space into which air inlets of high-temperature fuel cells open, and an air exit space into which air outlets of the high-temperature fuel cells open, from one another in gas-tight fashion in the container. Preferably, at least one location in the partition is provided at which the air situated in the air exit space can be recirculated at least partially into the air entry space through the use of air flowing into the air entry space. The effect achieved thereby is that the compressor compresses cold, relatively dense air and a recirculation of hot air in the container can be carried out without the use of moving parts.
    Type: Grant
    Filed: December 14, 1995
    Date of Patent: June 22, 1999
    Assignee: Siemens Aktiengesellschaft
    Inventors: Hans-Peter Schabert, Wolfgang Drenckhahn, Horst Vollmar