Patents by Inventor Holger Aretz
Holger Aretz 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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Publication number: 20250075293Abstract: A battery cell housing having an aluminium alloy strip or sheet. The object of providing a battery cell housing having an aluminium alloy strip or sheet which, on the one hand, makes it possible to achieve recycling rates and, on the other hand, satisfies the requirements of a battery cell housing, in particular with regard to strength, electrolyte stability and electrical and thermal conductivity, is achieved in that the aluminium alloy strip or sheet has an aluminium alloy with the following alloy constituents in wt %: 0.1%?Si?0.5%, 0.25%?Fe?0.8%, Cu?0.6%, 0.6%?Mn?1.4%, 0.5%?Fe?1.5%, Cr?0.25%, Zn?0.4%, 0.005%?Ti?0.2%, the remainder being Al and unavoidable impurities, individually at most 0.05% and in total at most 0.15%.Type: ApplicationFiled: November 19, 2024Publication date: March 6, 2025Applicant: Speira GmbHInventors: Martin Christoph Lentz, Andreas Siemen, Holger Aretz, Hartmut Janssen, Volker Denkmann, Mathis Ruppert, Thiemo Brüggemann, Waldemar Krieger, Philipp Kramer
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Patent number: 12180566Abstract: A battery cell housing having an aluminium alloy strip or sheet. The object of providing a battery cell housing having an aluminium alloy strip or sheet which, on the one hand, makes it possible to achieve recycling rates and, on the other hand, satisfies the requirements of a battery cell housing, in particular with regard to strength, electrolyte stability and electrical and thermal conductivity, is achieved in that the aluminium alloy strip or sheet has an aluminium alloy with the following alloy constituents in wt %: 0.1%?Si?0.5%, 0.25%?Fe?0.8%, Cu?0.6%, 0.6%?Mn?1.4%, 0.5%?Fe?1.5%, Cr?0.25%, Zn?0.4%, 0.005%?Ti?0.2%, the remainder being Al and unavoidable impurities, individually at most 0.05% and in total at most 0.15%.Type: GrantFiled: March 29, 2024Date of Patent: December 31, 2024Assignee: Speira GmbHInventors: Martin Christoph Lentz, Andreas Siemen, Holger Aretz, Hartmut Janssen, Volker Denkmann, Mathis Ruppert, Thiemo Brüggemann, Waldemar Krieger, Philipp Kramer
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Publication number: 20240425952Abstract: A battery cell housing having an aluminium alloy strip or sheet. The object of providing a battery cell housing having an aluminium alloy strip or sheet which, on the one hand, makes it possible to achieve recycling rates and, on the other hand, satisfies the requirements of a battery cell housing, in particular with regard to strength, electrolyte stability and electrical and thermal conductivity, is achieved in that the aluminium alloy strip or sheet has an aluminium alloy with the following alloy constituents in wt %: 0.1% ?Si?0.5%, 0.25% ?Fe?0.8%, Cu?0.6%, 0.6% ?Mn?1.4%, 0.5% ?Fe?1.5%, Cr?0.25%, Zn?0.4%, 0.005% ?Ti?0.2%, the remainder being Al and unavoidable impurities, individually at most 0.05% and in total at most 0.15%.Type: ApplicationFiled: March 29, 2024Publication date: December 26, 2024Applicant: Speira GmbHInventors: Martin Christoph Lentz, Andreas Siemen, Holger Aretz, Hartmut Janssen, Volker Denkmann, Mathis Ruppert, Thiemo Brüggemann, Waldemar Krieger, Philipp Kramer
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Publication number: 20240240290Abstract: A battery cell housing having an aluminium alloy strip or sheet. The object of providing a battery cell housing having an aluminium alloy strip or sheet which, on the one hand, makes it possible to achieve recycling rates and, on the other hand, satisfies the requirements of a battery cell housing, in particular with regard to strength, electrolyte stability and electrical and thermal conductivity, is achieved in that the aluminium alloy strip or sheet has an aluminium alloy with the following alloy constituents in wt %: 0.1%?Si?0.5%, 0.25%?Fe?0.8%, Cu?0.6%, 0.6%?Mn?1.4%, 0.5%?Fe?1.5%, Cr?0.25%, Zn?0.4%, 0.005%?Ti?0.2%, the remainder being Al and unavoidable impurities, individually at most 0.05% and in total at most 0.15%.Type: ApplicationFiled: March 29, 2024Publication date: July 18, 2024Applicant: Speira GmbHInventors: Martin Christoph Lentz, Andreas Siemen, Holger Aretz, Hartmut Janssen, Volker Denkmann, Mathis Ruppert, Thiemo Brüggemann, Waldemar Krieger, Philipp Kramer
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Publication number: 20240200171Abstract: An aluminium alloy strip made of an aluminium alloy, a method for manufacturing the aluminium alloy strip and its preferred use are described. The aluminium alloy strip provides resistance to intercrystalline corrosion, strength and improved forming properties, by the aluminium alloy strip having an aluminium alloy with the following composition in % by weight: Si?0.10%, Fe?0.25%, 0.20%?Mn?0.30% 4.72%?Mg?4.95%, Cu?0.10%, Cr?0.02%, Ni?0.01%, Zn?0.10%, Ti?0.04%, remainder being Al with unavoidable impurities individually ?0.05%, in total ?0.15%. The aluminium alloy strip has an average secondary phase density of less than 250 per 1000 ?m2, the total number of secondary phases determined in at least 10 measuring fields in relation to the total measuring surface of all examined measuring fields resulting in the secondary phase density.Type: ApplicationFiled: February 26, 2024Publication date: June 20, 2024Applicant: Speira GmbHInventors: Olaf Engler, Holger Aretz, Janina Krause, Martin Cremer
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Patent number: 10676807Abstract: The invention relates to a device for changing the temperature of a metal strip including means for changing the temperature of the metal strip by heating or cooling. By using means for conveying the metal strip, the metal strip is moved in the strip direction relative to the means for changing the temperature of the metal strip. The object of providing a device for changing the temperature of metal strips, which allows improved process control and improved flatness of the treated metal strip, is achieved according to the invention by a device in that means for changing the temperature of the metal strip include a plurality of individual temperature-control means which each heat or cool the metal strip only in some regions, and at least the position of a plurality of the temperature-control means can be individually changed translationally and/or rotationally relative to the metal strip.Type: GrantFiled: January 10, 2018Date of Patent: June 9, 2020Assignee: Hydro Aluminium Rolled Products GmbHInventors: Kai-Friedrich Karhausen, Holger Aretz
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Patent number: 10279385Abstract: The invention relates to a method for forming an aluminium composite material which has a core alloy made from an aluminium alloy of type AA5xxx or AA6xxx and at least one outer aluminium alloy layer provided on one or both sides, wherein the aluminium composite material is formed and the outer aluminium alloy layer provided on one or both sides has a yield strength Rp0.2 of 25 MPa to 60 MPa in the soft or solution-annealed state. The method enables the production of large-surface, heavily formed aluminium alloy sheet metal parts, in particular also in outer skin quality.Type: GrantFiled: November 22, 2017Date of Patent: May 7, 2019Assignee: Hydro Aluminium Rolled Products GmbHInventors: Henk-Jan Brinkman, Stefan Keller, Olaf Engler, Natalie Hörster, Dietmar Schröder, Holger Aretz
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Publication number: 20180135156Abstract: The invention relates to a device for changing the temperature of a metal strip including means for changing the temperature of the metal strip by heating or cooling. By using means for conveying the metal strip, the metal strip is moved in the strip direction relative to the means for changing the temperature of the metal strip. The object of providing a device for changing the temperature of metal strips, which allows improved process control and improved flatness of the treated metal strip, is achieved according to the invention by a device in that means for changing the temperature of the metal strip include a plurality of individual temperature-control means which each heat or cool the metal strip only in some regions, and at least the position of a plurality of the temperature-control means can be individually changed translationally and/or rotationally relative to the metal strip.Type: ApplicationFiled: January 10, 2018Publication date: May 17, 2018Applicant: Hydro Aluminium Rolled Products GmbHInventors: Kai-Friedrich Karhausen, Holger Aretz
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Publication number: 20180093314Abstract: The invention relates to a method for forming an aluminium composite material which has a core alloy made from an aluminium alloy of type AA5xxx or AA6xxx and at least one outer aluminium alloy layer provided on one or both sides, wherein the aluminium composite material is formed and the outer aluminium alloy layer provided on one or both sides has a yield strength Rp0.2 of 25 MPa to 60 MPa in the soft or solution-annealed state. The method enables the production of large-surface, heavily formed aluminium alloy sheet metal parts, in particular also in outer skin quality.Type: ApplicationFiled: November 22, 2017Publication date: April 5, 2018Applicant: Hydro Aluminium Rolled Products GmbHInventors: Henk-Jan Brinkman, Stefan Keller, Olaf Engler, Natalie Hörster, Dietmar Schröder, Holger Aretz
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Patent number: 9855592Abstract: The invention relates to a method for forming an aluminum composite material which has a core alloy made from an aluminum alloy of type AA5xxx or AA6xxx and at least one outer aluminum alloy layer provided on one or both sides, wherein the aluminum composite material is formed and the outer aluminum alloy layer provided on one or both sides has a yield strength Rp0.2 of 25 MPa to 60 MPa in the soft or solution-annealed state. The method enables the production of large-surface, heavily formed aluminum alloy sheet metal parts, in particular also in outer skin quality.Type: GrantFiled: April 27, 2015Date of Patent: January 2, 2018Assignee: Hydro Aluminium Rolled Products GmbHInventors: Henk-Jan Brinkman, Stefan Keller, Olaf Engler, Natalie Hörster, Dietmar Schröder, Holger Aretz
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Publication number: 20150224556Abstract: The invention relates to a method for forming an aluminium composite material which has a core alloy made from an aluminium alloy of type AA5xxx or AA6xxx and at least one outer aluminium alloy layer provided on one or both sides, wherein the aluminium composite material is formed and the outer aluminium alloy layer provided on one or both sides has a yield strength Rp0.2 of 25 MPa to 60 MPa in the soft or solution-annealed state. The method enables the production of large-surface, heavily formed aluminium alloy sheet metal parts, in particular also in outer skin quality.Type: ApplicationFiled: April 27, 2015Publication date: August 13, 2015Applicant: HYDRO ALUMINIUM ROLLED PRODUCTS GMBHInventors: Henk-Jan Brinkman, Stefan Keller, Olaf Engler, Natalie Hörster, Dietmar Schröder, Holger Aretz