Patents by Inventor Alexander Engels
Alexander Engels 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: 20240074040Abstract: A circuit configuration includes a voltage surge protector that is connected in parallel to the link capacitor to protect the link capacitor from voltage overloads. A printed circuit board assembly, an electric axle drive, and a motor vehicle are also disclosed.Type: ApplicationFiled: August 25, 2023Publication date: February 29, 2024Applicant: ZF Friedrichshafen AGInventors: Florian Ullrich, Robin Michelberger, Joao Bonifacio, Alexander Büttner, Michael Engel
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Patent number: 11865831Abstract: A cylinder sleeve, comprising a cylinder base sleeve consisting of cylindrical base layers arranged on top of each other, wherein said cylindrical base layers comprise one or more cylindrical polyurethane layers, wherein, independently of each other, at least 50 weight-% of each of said cylindrical polyurethane layers consist of polyurethane, and wherein the outermost cylindrical base layer is a cylindrical polyurethane layer; and one or more cylindrical layers, arranged on top of each other, wherein the innermost cylindrical layer is applied on the lateral surface of the cylinder base sleeve according to (a) and wherein the outermost layer of said one or more cylindrical layers is an adhesive layer for attaching a printing plate thereto, wherein the cylinder base sleeve according to (a) exhibits a carbon dioxide release coefficient RCO2 in the range of from 0 to 9.5 ppmv cm?3 d?1.Type: GrantFiled: July 29, 2022Date of Patent: January 9, 2024Assignee: tesa SEInventors: Stefan Wulf, Alexander Engel, Steffen Fichtelmann, Joerg Lang
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Patent number: 11772985Abstract: A computer implemented method and a system abates the presence of sulphide (H2S(g), H2S(aq) or HS-(aq)) in a wastewater flowing in a specific wastewater network from an upstream pumping pit to a downstream pumping pit or manhole. The computer implemented method and a system includes dosing into the wastewater at a position upstream of the downstream pit or manhole a chemical for abatement of sulphide, determining by use of a sensor the concentration of sulphide at a position downstream of the position at which chemical is dosed into the wastewater, such as located in the downstream manhole. The amount of chemical dosed is determined by use of a general agent and a specific agent.Type: GrantFiled: February 26, 2021Date of Patent: October 3, 2023Assignee: Grundfos Holding A/SInventors: Mette Lægdsmand, Nicolai Bæk Thomsen, Alexander Engels Ryming
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Publication number: 20230183398Abstract: A pressure-sensitive adhesive for bonding printing plates comprises one or more poly(meth)acrylates in a combined mass fraction of 50% or more and preparable by polymerization of a monomer composition comprising, based on the mass of the monomer composition: i) one or more first monomers selected from acrylic acid, methacrylic acid, dimethylacrylamide, hydroxybutyl acrylate, hydroxypropyl acrylate and hydroxyethyl acrylate in a combined mass fraction in the range from 10%-20%, and ii) one or more second monomers selected from (meth)acrylic esters of the formula (I), CH2?CR1—C(O)O—CHR2R3 (I), where R1 is hydrogen or methyl, where either i) R2 is hydrogen and R3 is a branched alkyl group having 16-20 carbon atoms, or ii) R2 is a linear or branched alkyl group having 3-10 carbon atoms and R3 a linear or branched alkyl group having 6-10 carbon atoms, in a combined mass fraction in the range from 20%-90%.Type: ApplicationFiled: December 21, 2022Publication date: June 15, 2023Applicant: tesa SEInventors: Bianca MAYER, Benjamin PUETZ, Ralf KRETZMER, Alexander ENGEL
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Publication number: 20230052373Abstract: A cylinder sleeve, comprising a cylinder base sleeve consisting of cylindrical base layers arranged on top of each other, wherein said cylindrical base layers comprise one or more cylindrical polyurethane layers, wherein, independently of each other, at least 50 weight-% of each of said cylindrical polyurethane layers consist of polyurethane, and wherein the outermost cylindrical base layer is a cylindrical polyurethane layer; and one or more cylindrical layers, arranged on top of each other, wherein the innermost cylindrical layer is applied on the lateral surface of the cylinder base sleeve according to (a) and wherein the outermost layer of said one or more cylindrical layers is an adhesive layer for attaching a printing plate thereto, wherein the cylinder base sleeve according to (a) exhibits a carbon dioxide release coefficient RCO2 in the range of from 0 to 9.5 ppmv cm?3 d?1.Type: ApplicationFiled: July 29, 2022Publication date: February 16, 2023Applicant: tesa SEInventors: Stefan Wulf, Alexander Engel, Steffen Fichtelmann, Joerg Lang
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Publication number: 20210284551Abstract: A computer implemented method and a system abates the presence of sulphide (H2S(g), H2S(aq) or HS-(aq)) in a wastewater flowing in a specific wastewater network from an upstream pumping pit to a downstream pumping pit or manhole. The computer implemented method and a system includes dosing into the wastewater at a position upstream of the downstream pit or manhole a chemical for abatement of sulphide, determining by use of a sensor the concentration of sulphide at a position downstream of the position at which chemical is dosed into the wastewater, such as located in the downstream manhole. The amount of chemical dosed is determined by use of a general agent and a specific agent.Type: ApplicationFiled: February 26, 2021Publication date: September 16, 2021Inventors: Mette LÆGDSMAND, Nicolai Bæk THOMSEN, Alexander Engels RYMING
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Publication number: 20200317561Abstract: A process for the preparation of multi-coloured glass ceramic blanks for dental purposes is described, in which lithium silicate glasses with different compositions are introduced into a mould in order to form a glass blank, the glass blank is optionally compacted by pressing, the glass blank is heat-treated in order to obtain a glass ceramic blank with lithium silicate as main crystal phase, and the glass ceramic blank is compacted by hot pressing.Type: ApplicationFiled: March 30, 2020Publication date: October 8, 2020Inventors: Lars Arnold, Harald Bürke, Alexander Engels
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Patent number: 10730243Abstract: A system for handling a first component includes: a main-device and a module-device, the module-device having a pressing section arranged to form an outer surface of the module-device, the module-device configured to releasably receive the first component, such that a connection section of the first component is attachable to the pressing section of the module-device. The module-device is releasably connected to a second component, wherein the main-device includes a grabbing unit adapted for releasably connecting the module-device, such that the pressing section is arranged to form a first outer surface section of the main-device, and wherein the main-device includes a connector for connecting to a handling-unit for arranging the main-device at the second component, such that the connection section of the first component, if attached to the pressing section of the module-device, is at least indirectly attachable to a front surface of the second component.Type: GrantFiled: May 23, 2017Date of Patent: August 4, 2020Assignee: Airbus Operations GmbHInventors: Joachim Piepenbrock, Alexander Engels, Gregor Graßl, Karsten Gensicke, Klaus Apel
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Patent number: 10611467Abstract: A method for producing a smooth aerodynamic surface of an aircraft component is depicted and described. The method includes: provision of an aircraft component with an aerodynamic surface, which has an uneven section, introduction of a liquid or viscous, uncured sealing compound into the uneven section, introduction of a solid, precured sealing body into the uneven section in such a way that the sealing body presses into the sealing compound until the sealing compound at least partially surrounds the sealing body, curing of the sealing compound.Type: GrantFiled: November 16, 2017Date of Patent: April 7, 2020Assignee: Airbus Operations GmbHInventors: Thomas Hoffmeister, Joachim Piepenbrock, Alexander Engels
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Publication number: 20180155012Abstract: A method for producing a smooth aerodynamic surface of an aircraft component is depicted and described. The method includes: provision of an aircraft component with an aerodynamic surface, which has an uneven section, introduction of a liquid or viscous, uncured sealing compound into the uneven section, introduction of a solid, precured sealing body into the uneven section in such a way that the sealing body presses into the sealing compound until the sealing compound at least partially surrounds the sealing body, curing of the sealing compound.Type: ApplicationFiled: November 16, 2017Publication date: June 7, 2018Applicant: Airbus Operations GmbHInventors: Thomas Hoffmeister, Joachim Piepenbrock, Alexander Engels
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Publication number: 20170341309Abstract: A system for handling a first component includes: a main-device and a module-device, the module-device having a pressing section arranged to form an outer surface of the module-device, the module-device configured to releasably receive the first component, such that a connection section of the first component is attachable to the pressing section of the module-device. The module-device is releasably connected to a second component, wherein the main-device includes a grabbing unit adapted for releasably connecting the module-device, such that the pressing section is arranged to form a first outer surface section of the main-device, and wherein the main-device includes a connector for connecting to a handling-unit for arranging the main-device at the second component, such that the connection section of the first component, if attached to the pressing section of the module-device, is at least indirectly attachable to a front surface of the second component.Type: ApplicationFiled: May 23, 2017Publication date: November 30, 2017Inventors: Joachim PIEPENBROCK, Alexander ENGELS, Gregor GRAßL, Karsten GENSICKE, Klaus APEL
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Patent number: 9682523Abstract: A system for producing a fiber-reinforced composite module, such as a panel module, having an integrated stiffening structure for an aircraft or spacecraft includes a form core assembly station for assembling a plurality of form cores covered with reinforcing fiber layers to constitute at least one stiffening element of the integrated stiffening structure, a form core placement station which receives assembled form cores from the assembly station for placing or depositing the assembled form cores in or on a molding tool, and a turning station for rotating or inverting the assembled form cores. The turning station is configured to convey or transport the assembled form cores from the assembly station to the placement station. The turning station defines a path which is configured to rotate or invert the assembled form cores as they are conveyed or moved to the placement station.Type: GrantFiled: October 24, 2014Date of Patent: June 20, 2017Assignee: Airbus Operations GmbHInventors: Alexander Engels, Pierre Zahlen, Lars Meyer
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Patent number: 9511337Abstract: Disclosed is a method and an apparatus for extracting a long fiber, and in particular an endless fiber, embedded in a resin matrix forming a wound composite part, wherein the fiber is extracted as one single part by unwinding after a pyrolisis treatment for a decomposition of the matrix.Type: GrantFiled: June 4, 2015Date of Patent: December 6, 2016Assignee: AIRBUS OPERATIONS GMBHInventors: Alexander Engels, Tassilo Witte
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Publication number: 20150273423Abstract: Disclosed is a method and an apparatus for extracting a long fibre, and in particular an endless fiber, embedded in a resin matrix forming a wound composite part, wherein the fiber is extracted as one single part by unwinding after a pyrolisis treatment for a decomposition of the matrix.Type: ApplicationFiled: June 4, 2015Publication date: October 1, 2015Inventors: Alexander ENGELS, Tassilo WITTE
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Publication number: 20150118001Abstract: A system for producing a fibre-reinforced composite module, such as a panel module, having an integrated stiffening structure for an aircraft or spacecraft includes a form core assembly station for assembling a plurality of form cores covered with reinforcing fibre layers to constitute at least one stiffening element of the integrated stiffening structure, a form core placement station which receives assembled form cores from the assembly station for placing or depositing the assembled form cores in or on a moulding tool, and a turning station for rotating or inverting the assembled form cores. The turning station is configured to convey or transport the assembled form cores from the assembly station to the placement station. The turning station defines a path which is configured to rotate or invert the assembled form cores as they are conveyed or moved to the placement station.Type: ApplicationFiled: October 24, 2014Publication date: April 30, 2015Applicant: Airbus Operations GmbHInventors: Alexander Engels, Pierre Zahlen, Lars Meyer
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Patent number: 8025992Abstract: The invention relates to a block (10) made of ceramic compounds, in particular dental compounds, of at least one ceramic compound (15) with predetermined first optical properties and at least a second ceramic compound (17) with predetermined second optical properties, and of a transition area between the two ceramic compounds, which transition area is composed of changing mixtures of the at least two ceramic compounds, the variation gradient of the mixtures being substantially constant. The invention further relating to a process for making such a block.Type: GrantFiled: May 17, 2007Date of Patent: September 27, 2011Assignee: Ivoclar Vivadent AGInventors: Alexander Engels, Alfred Hämmerle
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Publication number: 20090205260Abstract: This Invention relates to coated abrasives, a process for their production, and to coated abrasives for use in abrasive-containing tools.Type: ApplicationFiled: April 30, 2009Publication date: August 20, 2009Inventors: David Patrick EGAN, Johannes Alexander Engels, Michael Lester Fish
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Publication number: 20090031637Abstract: This invention relates to coated abrasives, a process for their production, and to coated abrasives for use in abrasive-containing tools.Type: ApplicationFiled: October 3, 2008Publication date: February 5, 2009Inventors: David Patrick Egan, Johannes Alexander Engels, Michael Lester Fish
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Publication number: 20080034669Abstract: A coated super-hard abrasive comprises a core of super-hard abrasive material, which is typically diamond or cBN based, an inner layer of a metal carbide, nitride, boride, boronitride or carbonitride chemically bonded to an outer surface of the super-hard abrasive material and one or more outer layers of a metal carbide, nitride, boride or carbonitride physically deposited on the inner layer. In the case of a single outer layer, the single outer layer has a composition gradient extending through its thickness, and in the case of more than one outer layer, the composition of each layer is different to provide a gradient of material through the various layers. In the case of several outer layers, each layer may also include a composition gradient.Type: ApplicationFiled: January 13, 2005Publication date: February 14, 2008Inventors: David Patrick Egan, Johannes Alexander Engels, Michael Lester Fish
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Publication number: 20070272120Abstract: The invention relates to a block (10) made of ceramic compounds, in particular dental compounds, of at least one ceramic compound (15) with predetermined first optical properties and at least a second ceramic compound (17) with predetermined second optical properties, and of a transition area between the two ceramic compounds, which transition area is composed of changing mixtures of the at least two ceramic compounds, the variation gradient of the mixtures being substantially constant. The invention further relating to a process for making such a block.Type: ApplicationFiled: May 17, 2007Publication date: November 29, 2007Inventors: Alexander Engels, Alfred Hammerle