Patents by Inventor Tim Hosenfeldt
Tim Hosenfeldt 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: 11870106Abstract: Layers for a bipolar plates are disclosed, as well as bipolar plates including the layers and fuel cells and/or electrolyzers including the bipolar plates. The layer may include a homogeneous or heterogeneous solid metallic solution or compound which either contains a first chemical element from the group of the noble metals in the form of iridium; or contains a first chemical element from the group of the noble metals in the form of iridium and a second chemical element from the group of the noble metals in the form of ruthenium. The layer may also include at least one further nonmetallic chemical element from the group consisting of nitrogen, carbon, boron, fluorine, and hydrogen.Type: GrantFiled: February 17, 2021Date of Patent: January 9, 2024Assignee: Schaeffler Technologies AG & Co. KGInventors: Ladislaus Dobrenizki, Tim Hosenfeldt, Yashar Musayev, Detlev Repenning
-
Publication number: 20220293960Abstract: An electrode unit (1, 1a, 1b), in particular for a redox flow cell (8), including at least one metallic substrate (2) and a coating (3) which is applied to the substrate (2), wherein the coating (3) includes at least one protective layer (4) which is formed from titanium-niobium nitride (TiNbN) and/or titanium-niobium carbide (TiNbC). A redox flow cell (8), in particular a redox flow battery, having at least one such electrode unit (1, 1a, 1b) is also provided.Type: ApplicationFiled: July 3, 2020Publication date: September 15, 2022Applicant: Schaeffler Technologies AG & Co. KGInventors: Ladislaus DOBRENIZKI, Moritz WEGENER, Johannes LANDMANN, Tim HOSENFELDT
-
Patent number: 11380908Abstract: A coating for a bipolar plate of a fuel cell or an electrolyzer contains a homogeneous or heterogeneous solid metal solution. The coating contains at least 15% Iridium and up to 84% Ruthenium with a total combined concentration of Iridium and Ruthenium of at least 99% (atomic). The coating also contains at least one of Nitrogen, Carbon, and Flourine. The coating may contain traces of Oxygen or Hydrogen. The coating may be used as part of a layer system that includes one or more undercoat layers and the coating as a covering layer.Type: GrantFiled: June 11, 2018Date of Patent: July 5, 2022Assignee: Schaeffler Technologies AG & Co. KGInventors: Ladislaus Dobrenizki, Yashar Musayev, Tim Hosenfeldt, Detlev Repenning
-
Publication number: 20210175519Abstract: Layers for a bipolar plates are disclosed, as well as bipolar plates including the layers and fuel cells and/or electrolyzers including the bipolar plates. The layer may include a homogeneous or heterogeneous solid metallic solution or compound which either contains a first chemical element from the group of the noble metals in the form of iridium; or contains a first chemical element from the group of the noble metals in the form of iridium and a second chemical element from the group of the noble metals in the form of ruthenium. The layer may also include at least one further nonmetallic chemical element from the group consisting of nitrogen, carbon, boron, fluorine, and hydrogen.Type: ApplicationFiled: February 17, 2021Publication date: June 10, 2021Applicant: Schaeffler Technologies AG & Co. KGInventors: Ladislaus Dobrenizki, Tim Hosenfeldt, Yashar Musayev, Detlev Repenning
-
Patent number: 10985385Abstract: Layers for a bipolar plates are disclosed, as well as bipolar plates including the layers and fuel cells and/or electrolyzers including the bipolar plates. The layer may include a homogeneous or heterogeneous solid metallic solution or compound which either contains a first chemical element from the group of the noble metals in the form of iridium; or contains a first chemical element from the group of the noble metals in the form of iridium and a second chemical element from the group of the noble metals in the form of ruthenium. The layer may also include at least one further nonmetallic chemical element from the group consisting of nitrogen, carbon, boron, fluorine, and hydrogen.Type: GrantFiled: January 5, 2017Date of Patent: April 20, 2021Assignee: Schaeffler Technologies AG & Co. KGInventors: Ladislaus Dobrenizki, Tim Hosenfeldt, Yashar Musayev, Detlev Repenning
-
Publication number: 20200365912Abstract: A coating for a bipolar plate of a fuel cell or an electrolyzer contains a homogeneous or heterogeneous solid metal solution. The coating contains at least 15% Iridium and up to 84% Ruthenium with a total combined concentration of Iridium and Ruthenium of at least 99% (atomic). The coating also contains at least one of Nitrogen, Carbon, and Flourine. The coating may contain traces of Oxygen or Hydrogen. The coating may be used as part of a layer system that includes one or more undercoat layers and the coating as a covering layer.Type: ApplicationFiled: June 11, 2018Publication date: November 19, 2020Applicant: Schaeffler Technologies AG & Co. KGInventors: Ladislaus Dobrenizki, Yashar Musayev, Tim Hosenfeldt, Detlev Repenning
-
Publication number: 20190051913Abstract: Layers for a bipolar plates are disclosed, as well as bipolar plates including the layers and fuel cells and/or electrolyzers including the bipolar plates. The layer may include a homogeneous or heterogeneous solid metallic solution or compound which either contains a first chemical element from the group of the noble metals in the form of iridium; or contains a first chemical element from the group of the noble metals in the form of iridium and a second chemical element from the group of the noble metals in the form of ruthenium. The layer may also include at least one further nonmetallic chemical element from the group consisting of nitrogen, carbon, boron, fluorine, and hydrogen.Type: ApplicationFiled: January 5, 2017Publication date: February 14, 2019Applicant: Schaeffler Technologies AG & Co. KGInventors: Ladislaus Dobrenizki, Tim Hosenfeldt, Yashar Musayev, Detlev Repenning
-
Publication number: 20080044646Abstract: A process for producing a wear-resistant coating and a wear-resistant coating on a surfaces of machine or engine parts which are exposed to frictional wear. This has in particular use for internal combustion engines. The coating comprises at least one metal-free, amorphous hydrocarbon layer which includes sp2- and sp3-hybridized carbon applied to the surface of the machine part, for reducing friction and increasing the wear resistance of the surface of the machine or engine part.Type: ApplicationFiled: August 22, 2007Publication date: February 21, 2008Applicant: INA SCHAEFFLER KGInventors: Bodo RORIG, Tim HOSENFELDT
-
Publication number: 20070224349Abstract: A method for producing a wear resistant coating as well as a wear resistant coating is provided, which is applied to predetermined surfaces of machine parts (1) that are exposed to wear by friction, in particular for internal combustion engines. The coating is made of at least one tetrahedral amorphic carbon layer (4) that is devoid of hydrogen or practically devoid of hydrogen, with the layer being applied to the predetermined surface (2) of the machine part (1) and including sp2 and sp3 hybirdised carbon for reducing the friction and for increasing the wear-resistance of the predetermined surface of the machine part.Type: ApplicationFiled: July 19, 2005Publication date: September 27, 2007Applicant: SCHAEFFLER KGInventors: Tim Hosenfeldt, Karl-Ludwig Grell
-
Publication number: 20070059529Abstract: The present invention relates to a process for producing a wear-resistant coating and to a wear-resistant coating on predetermined surfaces (2) of machine or engine parts (1) consisting of a sintered material which are exposed to frictional wear, for fuel feed units in particular, comprising at least one metal-free amorphous hydrocarbon layer (5) with sp2 - and sp3-hybridized carbon applied to the predetermined surface (2) of the machine or engine part (1) for reducing friction and increasing the wear resistance of the predetermined surface (2) of the machine or engine part (1).Type: ApplicationFiled: September 8, 2006Publication date: March 15, 2007Inventors: Tim Hosenfeldt, Martin Kramer, Alexander Freiburg
-
Publication number: 20060225682Abstract: A switchable valve-drive component (1) for variable transmission of a stroke generated by one or more cam projections to a gas-exchange valve of an internal combustion engine is provided. The valve-drive component (1) has transmission elements (3, 4), which can be connected with a positive fit by coupling elements (8) in the transmission direction, in which force transmission surface sections (16) of the coupling elements (8) can be clamped between force transmission surface sections (20) of the transmission elements (3, 4). Here, at least one of the force transmission surface sections (16, 20) should be provided with a wear protection layer (23). This layer comprises at least one metal-free amorphous hydrocarbon layer with sp2-hybridized and sp3-hybridized carbon.Type: ApplicationFiled: March 14, 2006Publication date: October 12, 2006Applicant: Schaeffler KGInventors: Matthew Evans, Jermel Jones, Peter Sailer, Oliver Schnell, Tim Hosenfeldt
-
Publication number: 20060049035Abstract: The present invention relates to a process for producing a wear-resistant coating and to a wear-resistant coating on predetermined surfaces of machine or engine parts, in particular for internal combustion engines, which are exposed to frictional wear, comprising at least one nanocrystalline functional layer (4) made up of at least two CrNx phases for reducing friction and increasing the wear resistance of the predetermined surface (2) of the machine or engine part (1).Type: ApplicationFiled: September 7, 2005Publication date: March 9, 2006Inventors: Tim Hosenfeldt, Karl-Ludwig Grell
-
Publication number: 20060046060Abstract: A process for producing a wear-resistant coating and a wear-resistant coating on a surfaces of machine or engine parts which are exposed to frictional wear. This has in particular use for internal combustion engines. The coating comprises at least one metal-free, amorphous hydrocarbon layer which includes sp2- and sp3-hybridized carbon applied to the surface of the machine part, for reducing friction and increasing the wear resistance of the surface of the machine or engine part.Type: ApplicationFiled: August 24, 2005Publication date: March 2, 2006Inventors: Bodo Rorig, Tim Hosenfeldt