Patents by Inventor Steffen Brunner
Steffen Brunner 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: 11964320Abstract: A method for producing a flat tube for a heat exchanger, in particular for a motor vehicle, having a first wall, a second wall opposite to the first wall, having a third wall connecting the first and second wall, having a fourth wall connecting the second and first wall, wherein the first and second wall are longer than the third and fourth wall, having an interior for a medium to flow through, wherein a turbulence insert is arranged in the interior, wherein the method comprises at least the following process steps: —providing a plate material—forming the plate material into an intermediate tube in such a way that the plate material is crowned in at least two sections and the sections at least partially form the first and second wall of the flat tube and the intermediate tube forms an opening in the area one of the two third or fourth walls—providing and inserting a turbulence insert into the interior—closing the opening by means of a welding method.Type: GrantFiled: November 28, 2022Date of Patent: April 23, 2024Assignee: MAHLE INTERNATIONAL GMBHInventors: Steffen Brunner, Sven Strücker
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Publication number: 20230166317Abstract: A method for producing a flat tube for a heat exchanger, in particular for a motor vehicle, having a first wall, a second wall opposite to the first wall, having a third wall connecting the first and second wall, having a fourth wall connecting the second and first wall, wherein the first and second wall are longer than the third and fourth wall, having an interior for a medium to flow through, wherein a turbulence insert is arranged in the interior, wherein the method comprises at least the following process steps: —providing a plate material —forming the plate material into an intermediate tube in such a way that the plate material is crowned in at least two sections and the sections at least partially form the first and second wall of the flat tube and the intermediate tube forms an opening in the area one of the two third or fourth walls —providing and inserting a turbulence insert into the interior —closing the opening by means of a welding method.Type: ApplicationFiled: November 28, 2022Publication date: June 1, 2023Inventors: Steffen BRUNNER, Sven STRÜCKER
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Patent number: 11421949Abstract: A flat tube for an exhaust gas cooler including two flat wide sides and two rounded narrow sides. The flat tube further including a plurality of moulded turbulence projections arranged on the two wide sides in two flow rows and projecting from a respective one of the two wide sides toward the other of the two wide sides. The plurality of turbulence projections are respectively structured in an elongated manner and arranged at an angle relative to a longitudinal direction. The flat tube also including a plurality of moulded support projections projecting from a respective one of the two wide sides away from the other of the two wide sides. The plurality of support projections are arranged between the two flow rows. The two narrow sides each have an elongated flat region that merges into the two wide sides via a plurality of rounded corner regions.Type: GrantFiled: December 20, 2018Date of Patent: August 23, 2022Inventors: Jens Holdenried, Achim Herber, Steffen Brunner
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Patent number: 10520261Abstract: The invention relates to a flat pipe, comprising two substantially flat first walls that are opposite each other and arranged parallel to each other, two arcuate second walls that connect the two flat first walls, and an interior through which a medium can flow, wherein projections that protrude into the interior are provided in at least one of the flat first walls, wherein projections that protrude into the interior are provided in the arcuate second walls.Type: GrantFiled: September 3, 2013Date of Patent: December 31, 2019Assignee: MAHLE INTERNATIONAL GMBHInventors: Steffen Brunner, Achim Herber, Jens Holdenried, Rainer Stauch
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Publication number: 20190337044Abstract: A method for producing a heat exchange tube having an inner turbulence insert for a heat exchanger may include providing an austenitic heat exchange tube and the turbulence insert. The method may also include inserting the turbulence insert into the austenitic heat exchange tube, brazing the turbulence insert and the austenitic heat exchange tube via induction brazing, and pressing the austenitic heat exchange tube onto the turbulence insert at least one of during the brazing and after the brazing.Type: ApplicationFiled: July 20, 2017Publication date: November 7, 2019Inventors: Steffen Brunner, Steffen Ensminger, Peter Geskes, Eberhard Pantow
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Publication number: 20190195575Abstract: A flat tube for an exhaust gas cooler may include two flat wide sides and two rounded narrow sides. A plurality of moulded turbulence projections may be arranged on the two wide sides in two flow rows and project from a respective one of the two wide sides toward the other of the two wide sides. The plurality of turbulence projections may be respectively structured in an elongated manner and arranged at an angle relative to the longitudinal direction. The flat tube may also include a plurality of moulded support projections projecting from a respective one of the two wide sides away from the other of the two wide sides. The plurality of support projections may be arranged between the two flow rows. The two narrow sides may each have an elongated flat region that merges into the two wide sides via a plurality of rounded corner regions.Type: ApplicationFiled: December 20, 2018Publication date: June 27, 2019Inventors: Jens Holdenried, Achim Herber, Steffen Brunner
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Patent number: 10010984Abstract: A method for the production of a heat exchanger is provided, particularly a sorption heat exchanger, in which several components of the heat exchanger have a ferrous based material, such as pipes, the pipes finishing the bottoms, and the bottoms and the pipes enclosing the housing components are coffered and then soldered. In one method, which reliably realizes the soldering of the joints with different widths, a brazing foil is introduced during the coffering of the components of the heat exchanger formed of steel or stainless steel between the joints of the components of the heat exchanger, and then the joints are filled with a low-melting solder and soldered without flux material.Type: GrantFiled: October 31, 2014Date of Patent: July 3, 2018Assignee: MAHLE Behr GmbH & Co. KGInventors: Hans-Heinrich Angermann, Steffen Brunner
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Patent number: 9829225Abstract: The invention relates to a module for a heat pump, comprising an adsorption-desorption region, wherein in the region a bundle of pipes through which fluid can flow is arranged and a housing encloses the pipe bundle and a movable working medium in a sealing manner, wherein a supporting structure forms a mechanical support of a wall of the housing against the action of an external pressure.Type: GrantFiled: July 19, 2012Date of Patent: November 28, 2017Assignees: MAHLE Behr GmbH & Co. KG, MAHLE International GmbHInventors: Thomas Schiehlen, Steffen Thiele, Thomas Wolff, Eberhard Zwittig, Hans-Heinrich Angermann, Roland Burk, Holger Schroth, Stefan Felber, Steffen Brunner
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Patent number: 9618271Abstract: A device for the exchange of heat between a first and a second medium with pairs of trays stacked one on top of the other in a stacking direction is provided, wherein a first flow chamber that can be flowed through by a first medium is provided between the two trays of at least one pair of trays or several pairs of trays and a second flow chamber that can be flowed through by a second medium is provided between two pairs of trays adjacent to one another, wherein the first flow chamber has first flow path with flow path sections that can be flowed through consecutively in opposite directions for the first medium, which are separated from one another by a division wall arranged between the at least two trays of the at least one pair of trays, and wherein the second flow chamber has a second flow path for the second medium.Type: GrantFiled: March 12, 2010Date of Patent: April 11, 2017Assignee: MAHLE International GmbHInventors: Johannes Diem, Eberhard Pantow, Ulrich Maucher, Peter Geskes, Martin Kaemmerer, Michael Schmidt, Klaus Irmler, Jens Holdenried, Steffen Brunner
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Patent number: 9302335Abstract: The invention relates to a method for producing a tube for a heat exchanger, in particular for a motor vehicle, in which a long tube, which is provided with turbulence inserts on the surface thereof, is separated into at least two individual tubes. In order to further reduce the production costs and nevertheless achieve a clean cutting surface, a first part of an at least two-part cutting device is introduced into the interior of the long tube through at least one opening of the long tube and the second part of the cutting device is placed against the outer face of the long tube approximately opposite of the inner, first part of the cutting device, wherein the first part and the second part of the cutting device are pressed against one another in order to dividing the long tube.Type: GrantFiled: July 6, 2011Date of Patent: April 5, 2016Assignee: MAHLE INTERNATIONAL GMBHInventor: Steffen Brunner
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Patent number: 9291374Abstract: An adsorber structure for a heat pump, having at least one pipe, through which a heat-transfer fluid can flow, and an adsorption medium, wherein a working medium can be adsorbed and desorbed on the adsorption medium and the adsorption medium is in thermal connection with the pipe, wherein the adsorption medium is designed as at least one, in particular several, molded bodies, which is/are directly adjacent to a pipe wall of one of the pipes.Type: GrantFiled: January 21, 2014Date of Patent: March 22, 2016Assignee: MAHLE International GmbHInventors: Roland Burk, Hans-Heinrich Angermann, Thomas Schiehlen, Eberhard Zwittig, Steffen Thiele, Thomas Wolff, Holger Schroth, Stefan Felber, Steffen Brunner
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Publication number: 20150251282Abstract: A method for the production of a heat exchanger is provided, particularly a sorption heat exchanger, in which several components of the heat exchanger have a ferrous based material, such as pipes, the pipes finishing the bottoms, and the bottoms and the pipes enclosing the housing components are coffered and then soldered. In one method, which reliably realizes the soldering of the joints with different widths, a brazing foil is introduced during the coffering of the components of the heat exchanger formed of steel or stainless steel between the joints of the components of the heat exchanger, and then the joints are filled with a low-melting solder and soldered without flux material.Type: ApplicationFiled: October 31, 2014Publication date: September 10, 2015Inventors: Hans-Heinrich ANGERMANN, Steffen BRUNNER
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Publication number: 20150247680Abstract: The invention relates to a flat pipe, comprising two substantially flat first walls that are opposite each other and arranged parallel to each other, two arcuate second walls that connect the two flat first walls, and an interior through which a medium can flow, wherein projections that protrude into the interior are provided in at least one of the flat first walls, wherein projections that protrude into the interior are provided in the arcuate second walls.Type: ApplicationFiled: September 3, 2013Publication date: September 3, 2015Applicant: MAHLE INTERNATIONAL GMBHInventors: Steffen Brunner, Achim Herber, Jens Holdenried, Rainer Stauch
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Publication number: 20140223955Abstract: The invention relates to a module for a heat pump, comprising an adsorption-desorption region, wherein in the region a bundle of pipes through which fluid can flow is arranged and a housing encloses the pipe bundle and a movable working medium in a sealing manner, wherein a supporting structure forms a mechanical support of a wall of the housing against the action of an external pressure.Type: ApplicationFiled: July 19, 2012Publication date: August 14, 2014Applicants: MAHLE INTERNATIONAL GmbH, BEHR GmbH & Co. KGInventors: Thomas Schiehlen, Steffen Thiele, Thomas Wolff, Eberhard Zwittig, Hans-Heinrich Angermann, Roland Burk, Holger Schroth, Stefan Felber, Steffen Brunner
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Publication number: 20140196700Abstract: Disclosed herein is a heat exchanger with a housing casing, a first base and a second base with openings, pipes as a first flow channel for conducting a first fluid, the ends thereof being arranged in or on the openings of the first and second bases, the pipes and the first and/or the second base are arranged within the housing so that a second flow channel for conducting a second fluid is designed between the housing and the pipes, a first inlet opening for the first fluid, a first outlet opening for the first fluid, a second inlet opening for the second fluid, a second outlet opening for the second fluid, a first diffusor for directing the first fluid into the pipes, a second diffuser for directing the first fluid out of the pipes, which heat exchanger should be simple and cost-effective to produce and ensure reliable operation.Type: ApplicationFiled: May 30, 2012Publication date: July 17, 2014Applicant: BEHR GMBH & CO. KGInventors: Wolfgang Bucher, Steffen Brunner, Peter Geskes, Achim Herber, Christian Faber, Philipp Hetz, Simon Hund, Timm Röschmann, Albrecht Siegel, Wolfgang Wehrstedt
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Publication number: 20140130540Abstract: An adsorber structure for a heat pump, having at least one pipe, through which a heat-transfer fluid can flow, and an adsorption medium, wherein a working medium can be adsorbed and desorbed on the adsorption medium and the adsorption medium is in thermal connection with the pipe, wherein the adsorption medium is designed as at least one, in particular several, molded bodies, which is/are directly adjacent to a pipe wall of one of the pipes.Type: ApplicationFiled: January 21, 2014Publication date: May 15, 2014Applicants: MAHLE INTERNATIONAL GmbH, BEHR Gmbh & Co. KGInventors: Roland BURK, Hans-Heinrich ANGERMANN, Thomas SCHIEHLEN, Eberhard ZWITTIG, Steffen THIELE, Thomas WOLFF, Holger SCHROTH, Stefan FELBER, Steffen BRUNNER
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Publication number: 20130112382Abstract: An evaporator, in particular an exhaust gas evaporator for an exhaust gas system of a motor vehicle, is provided that includes a plate sandwich structure having a plurality of fluid-guiding plate elements stacked on top of one another for guiding a first fluid, wherein at least one rib, in particular a corrugated rib, is disposed between two plate elements for guiding a second fluid, wherein a plate element comprises at least one cover element covering a flow channel and a flow channel plate unit, wherein the flow channel plate unit comprises at least one flow channel plate having flow channels in order to guide the first fluid from an inlet to an outlet.Type: ApplicationFiled: April 27, 2012Publication date: May 9, 2013Inventors: Steffen BRUNNER, Peter GESKES, Jens HOLDENRIED, Klaus IRMLER, Michael SCHMIDT
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Publication number: 20130097864Abstract: The invention relates to a method for producing a tube for a heat exchanger, in particular for a motor vehicle, in which a long tube, which is provided with turbulence inserts on the surface thereof, is separated into at least two individual tubes. In order to further reduce the production costs and nevertheless achieve a clean cutting surface, a first part of an at least two-part cutting device is introduced into the interior of the long tube through at least one opening of the long tube and the second part of the cutting device is placed against the outer face of the long tube approximately opposite of the inner, first part of the cutting device, wherein the first part and the second part of the cutting device are pressed against one another in order to dividing the long tube.Type: ApplicationFiled: July 6, 2011Publication date: April 25, 2013Applicant: BEHR GMBH & CO. KGInventor: Steffen Brunner
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Publication number: 20100282452Abstract: A device for the exchange of heat between a first and a second medium with pairs of trays stacked one on top of the other in a stacking direction is provided, wherein a first flow chamber that can be flowed through by a first medium is provided between the two trays of at least one pair of trays or several pairs of trays and a second flow chamber that can be flowed through by a second medium is provided between two pairs of trays adjacent to one another, wherein the first flow chamber has first flow path with flow path sections that can be flowed through consecutively in opposite directions for the first medium, which are separated from one another by a division wall arranged between the at least two trays of the at least one pair of trays, and wherein the second flow chamber has a second flow path for the second medium.Type: ApplicationFiled: March 12, 2010Publication date: November 11, 2010Applicant: Behr GmbH & Co. KGInventors: Johannes DIEM, Eberhard Pantow, Ulrich Maucher, Peter Geskes, Martin Kaemmerer, Michael Schmidt, Klaus Irmler, Jens Holdenried, Steffen Brunner
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Publication number: 20080202731Abstract: The invention relates to a one-piece turbulence insert for a heat exchanger (1), particularly for a radiator of a motor vehicle, comprising an essentially corrugated profile. The turbulence insert (24) has a number of sections (41-45) with corrugated profiles that extend in the same direction of the extension of the corrugations and which, perpendicular to the direction of the extension of the corrugations, are offset from one another. In order to enable a better thermodynamic efficiency, the turbulence insert (24) has a number of sections (27-32, 41, 45) with corrugated profiles extending in different directions of extension of the corrugations.Type: ApplicationFiled: August 1, 2005Publication date: August 28, 2008Applicant: BEHR GMBH & CO. KGInventors: Steffen Brunner, Peter Geskes, Rainer Lutz, Ulrich Maucher