Patents by Inventor Gottfried Duerr
Gottfried Duerr 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: 20230332836Abstract: An evaporator for a refrigerant circuit, in particular of a motor vehicle, with a tube/fin block with a multiplicity of tubes and fins, with a first collecting tank on one side of the tube/fin block and with a second collecting tank on the other side of the tube/fin block. The first collecting tank has an inlet chamber and an outlet chamber, wherein the inlet chamber is provided with a refrigerant inlet connection and the outlet chamber is provided with a refrigerant outlet connection, wherein a first baffle and a second baffle are arranged in the inlet chamber, which baffles are arranged spaced apart from one another in the inlet chamber.Type: ApplicationFiled: April 18, 2023Publication date: October 19, 2023Applicant: MAHLE International GmbHInventors: Gottfried DUERR, Guenther FEUERECKER
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Publication number: 20230280111Abstract: A collecting tank for a heat exchanger may include at least one manifold for receiving a plurality of heat exchanger tubes of the heat exchanger. The at least one manifold may have a hollow space through which a fluid is flowable. The at least one manifold may include a bottom and a plurality of tank receptacles for receiving the plurality of heat exchanger tubes. The plurality of tank receptacles may be disposed in the bottom spaced apart from one another in a longitudinal direction and may extend in a transverse direction, which extends transverse to the longitudinal direction. In a height direction extending transverse to the longitudinal direction and transverse to the transverse direction, directed away from the hollow space, the bottom may have at least one curvature directed to an outside.Type: ApplicationFiled: February 28, 2023Publication date: September 7, 2023Inventors: Gottfried Duerr, Uwe Foerster, Stephanie Hahnenkamm, Hagen Schirnig, Martin Sievers
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Patent number: 11747097Abstract: A receiving box for a heat exchanger may include a box body delimiting at least one duct formed in the box body. The box body may include a plurality of receptacles configured to receive a plurality of tube bodies of the heat exchanger. The plurality of tube bodies may each be fluidically connected to the at least one duct. The box body may define an injection tube that extends along the at least one duct and is separated from the at least one duct via the box body. The injection tube may include at least one outlet opening fluidically connected to the at least one duct.Type: GrantFiled: December 20, 2019Date of Patent: September 5, 2023Inventors: Axel Dolderer, Gottfried Duerr, Guenther Feuerecker, Richard Goce, Benjamin Nothdurft
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Publication number: 20230052183Abstract: A heat exchanger including a tube/rib block made up of tubes and ribs, the tubes forming fluid channels for conducting a first fluid, in particular a refrigerant, and the ribs arranged between the tubes forming a second fluid channel for conducting a second fluid, such as, in particular, air, which flows around the tubes, a collector being arranged at at least one end of the tube/rib block, which communicates with the fluid channels of the tubes, the at least one collector being provided with a plate-type design and including at least one base plate and a cover plate, which are stacked and soldered in a sealed manner, a spacer for spacing the base plate at a distance from the cover plate and for distributing the first fluid in the collector being provided.Type: ApplicationFiled: August 9, 2022Publication date: February 16, 2023Applicant: MAHLE International GmbHInventors: Benjamin NOTHDURFT, Uwe FOERSTER, Martin SIEVERS, Gottfried DUERR, Patrick WALZ, Nikolaj BITTNER
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Publication number: 20230023677Abstract: An evaporator with a finned tube block with tubes and fins, wherein the tubes are arranged in rows and the fins are arranged between the tubes, with a first collection and distribution box and with a second collection and distribution box. Each of the two collection and distribution boxes has a bottom and a box lid. The respective bottom has openings for inserting the tube ends of the tubes of the finned tube block. The finned tube block is divided into evaporator flows to which groups of tubes of the finned tube block are assigned. The tubes of an evaporator flow each merge end-side into a box area of a collection and distribution box. The respective bottom of the collection and distribution boxes is designed with rim holes for inserting the tube ends in the openings.Type: ApplicationFiled: July 25, 2022Publication date: January 26, 2023Applicant: MAHLE International GmbHInventors: Gottfried DUERR, Timo PEIFER, Axel DOLDERER, Thomas SPRANGER, Frank-Heiner SCHENK, Vjekoslav BOSNJAK, Guenther FEUERECKER, Rudolf HUEGEL
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Publication number: 20220381523Abstract: A heat exchanger may include a collector and a connecting pipe. The collector may include at least one insertion opening. The connecting pipe may be inserted in the at least one insertion opening. The connecting pipe may include at least one bulge projecting radially to the outside. The at least one bulge may form a stop of the connecting pipe in an insertion direction in the at least one insertion opening. The at least one bulge may indicate a predefined angle-of-rotation position of the connecting pipe in the at least one insertion opening.Type: ApplicationFiled: May 27, 2022Publication date: December 1, 2022Inventors: Gottfried Duerr, Uwe Foerster, Hagen Schirnig, Martin Sievers
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Publication number: 20210381776Abstract: A flat tube with a wall made of a shaped first sheet metal strip which forms two fluid chambers, wherein the two fluid chambers are arranged spaced apart from one another and wherein the two fluid chambers are connected spaced apart from one another by a web wherein the flat tube has two tube ends in its tube longitudinal direction, wherein the web has a recess by means of a cutout at at least one tube end.Type: ApplicationFiled: June 4, 2021Publication date: December 9, 2021Applicant: MAHLE International GmbHInventors: Gottfried DUERR, Matthias SEITZ, Achim UTZ
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Patent number: 10871335Abstract: A heat exchanger may include a first collecting tank and a second collecting tank. The first collecting tank may include a first collecting pipe having a first collecting pipe opening for letting in a fluid and a second collecting pipe having a second collecting pipe opening for discharging the fluid. The second collecting tank may be arranged opposite the first collecting tank and may include a third collecting pipe and a fourth collecting pipe. The heat exchanger may also include a plurality of heat exchanger pipes fluidically connecting the first collecting pipe to the third collecting pipe and the second collecting pipe to the fourth collecting pipe. The heat exchanger may also include a separating wall arranged in each of the first collecting pipe and the second collecting pipe respectively dividing each into a first pipe section and a second pipe section.Type: GrantFiled: October 19, 2018Date of Patent: December 22, 2020Inventors: Axel Dolderer, Gottfried Duerr, Richard Goce, Harald Muehleisen, Benjamin Nothdurft, Markus Pflieger
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Patent number: 10717338Abstract: A heating and cooling module for controlling the temperature of at least two coolant circuits, having an evaporator region and a condenser region. The evaporator region has a first flow section through which a first coolant can flow, and the condenser region has a second flow section through which a second coolant can flow. The heating and cooling module has a third flow section through which a refrigerant can flow. The evaporator region and the condenser region are arranged on a common base plate which has the fluid inlets and the fluid outlets for the first coolant, the second coolant, and the refrigerant. The base plate has flow channels, through each of which one of the coolants or the refrigerant can flow. The evaporator region and the condenser region are fluidically connected to the respective fluid inlets and the respective fluid outlets of the base plate via the flow channels.Type: GrantFiled: September 13, 2016Date of Patent: July 21, 2020Assignee: MAHLE International GmbHInventors: Gottfried Duerr, Joachim Michael Haug, Herbert Hofmann
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Publication number: 20200200492Abstract: The present invention relates to a receiving box (2) for a heat exchanger (1) for receiving and fluidically supplying tube bodies (3) of the heat exchanger (1), wherein the receiving box (2) has a box body (9), which limits at least one duct (12), which is fluidically connected to receptacles (11), in which the tube bodies (3) are received. A simplified production and/or an increased mechanical stability of the receiving box (2) are/is attained in that the box body (9) forms an injection tube (17), which is separated from the duct (12) and which is fluidically connected to at least one of the at least one ducts (12) via an outlet opening (18). The invention further relates to a heat exchanger (1) comprising such a receiving box (2).Type: ApplicationFiled: December 20, 2019Publication date: June 25, 2020Inventors: Axel Dolderer, Gottfried Duerr, Guenther Feuerecker, Richard Goce, Benjamin Nothdurft
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Patent number: 10625572Abstract: A heating/cooling module having a condenser region, an evaporator region, and at least one fluid distribution region. The condenser region has a first flow section which can be flowed through by a refrigerant and a second flow section which can be flowed through by a coolant. The evaporator region has a third flow section which can be flowed through by a refrigerant and a fourth flow section which can be flowed through by a coolant. The flow sections are formed by a plurality of flow ducts which are configured between the individual disc elements which form the heating/cooling module. A first fluid inlet and a first fluid outlet are provided, via which the condenser region can be flowed through with a coolant. A second inlet and a second outlet are provided, via which the evaporator region can be flowed through with a coolant.Type: GrantFiled: September 12, 2016Date of Patent: April 21, 2020Assignee: MAHLE International GmbHInventors: Gottfried Duerr, Herbert Hofmann, Joachim Michael Haug
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Publication number: 20190120521Abstract: A collecting tank of a heat exchanger may include a first collecting pipe and a second collecting pipe arranged adjacent to the first collecting pipe structured to accommodate a plurality of heat exchanger pipes. The first collecting pipe and the second collecting pipe may each have a hollow space which is flowable through. The first collecting pipe and the second collecting pipe may have a respective flattened bottom and a plurality of tank accommodations configured to accommodate the plurality of heat exchanger pipes disposed spaced apart from one another in the respective bottom. The respective bottom of the first collecting pipe and the second collecting pipe may extend at a predetermined angle ? not equal to 180° relative to one another.Type: ApplicationFiled: October 19, 2018Publication date: April 25, 2019Inventors: Gottfried Duerr, Axel Dolderer, Richard Goce, Harald Muehleisen, Benjamin Nothdurft, Markus Pflieger
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Publication number: 20190120569Abstract: A heat exchanger may include a first collecting tank and a second collecting tank. The first collecting tank may include a first collecting pipe having a first collecting pipe opening for letting in a fluid and a second collecting pipe having a second collecting pipe opening for discharging the fluid. The second collecting tank may be arranged opposite the first collecting tank and may include a third collecting pipe and a fourth collecting pipe. The heat exchanger may also include a plurality of heat exchanger pipes fluidically connecting the first collecting pipe to the third collecting pipe and the second collecting pipe to the fourth collecting pipe. The heat exchanger may also include a separating wall arranged in each of the first collecting pipe and the second collecting pipe respectively dividing each into a first pipe section and a second pipe section.Type: ApplicationFiled: October 19, 2018Publication date: April 25, 2019Inventors: Axel Dolderer, Gottfried Duerr, Richard Goce, Harald Muehleisen, Benjamin Nothdurft, Markus Pflieger
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Patent number: 9975395Abstract: A motor vehicle air conditioning unit having a housing, a heat exchanger, at least two manifolds and cooling tubes arranged therebetween forming a tube block. The housing has at least one first sealing rib oriented substantially parallel to an extending direction of the at least two manifolds and at least one second sealing rib oriented substantially parallel to an extending direction of the cooling tubes in the tube block, such that the at least one first sealing rib is oriented perpendicular to the at least one second sealing rib.Type: GrantFiled: January 31, 2014Date of Patent: May 22, 2018Assignee: MAHLE International GmbHInventors: Elke Dettling, Thomas Frey, Thomas Feith, Gottfried Duerr, Joachim Raimann
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Patent number: 9945614Abstract: A heat exchanger is provided that includes a first flow channel for a refrigerant, a second flow channel for a refrigerant, and a third flow channel for a coolant, wherein the first flow channel has a first region for initial cooling of the refrigerant and a second region for further cooling of the refrigerant. The refrigerant can flow in a high-pressure phase in the first flow channel and the refrigerant can flow in a low-pressure phase in the second flow channel. A first heat exchange occurs between the refrigerant in the first region of the first flow channel and the coolant in the third flow channel and a second heat exchange occurs between the refrigerant in the second region of the first flow channel and the refrigerant in the second flow channel.Type: GrantFiled: May 29, 2015Date of Patent: April 17, 2018Assignee: MAHLE International GmbHInventors: Uwe Foerster, Gottfried Duerr, Herbert Hofmann, Christoph Walter
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Patent number: 9874405Abstract: A heat exchanger with mutually adjacent first flow channels and second flow channels. The first flow channels and the second flow channels are received in a first manifold at a first end region of the flow channel end regions and in a second manifold at a second end region of the flow channel end regions. The first manifold has a first base and the second manifold has a second base, the first base and second base having a plurality of openings in which the end regions of the flow channels are received. The first manifold has a first longitudinal channel and a second longitudinal channel. The second manifold has a second cover which together with the second base of the second manifold forms transverse channels, and one first flow channel and one second flow channel are fluidically connected to each other via a respective transverse channel.Type: GrantFiled: August 19, 2015Date of Patent: January 23, 2018Assignee: MAHLE International GmbHInventors: Gottfried Duerr, Uwe Foerster, Martin Kaspar, Wolfgang Seewald, Siegfried Tews, Christoph Walter
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Publication number: 20160375740Abstract: A heating and cooling module for controlling the temperature of at least two coolant circuits, having an evaporator region and a condenser region. The evaporator region has a first flow section through which a first coolant can flow, and the condenser region has a second flow section through which a second coolant can flow. The heating and cooling module has a third flow section through which a refrigerant can flow. The evaporator region and the condenser region are arranged on a common base plate which has the fluid inlets and the fluid outlets for the first coolant, the second coolant, and the refrigerant. The base plate has flow channels, through each of which one of the coolants or the refrigerant can flow. The evaporator region and the condenser region are fluidically connected to the respective fluid inlets and the respective fluid outlets of the base plate via the flow channels.Type: ApplicationFiled: September 13, 2016Publication date: December 29, 2016Applicant: MAHLE International GmbHInventors: Gottfried DUERR, Joachim Michael HAUG, Herbert HOFMANN
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Publication number: 20160375745Abstract: A heating/cooling module having a condenser region, an evaporator region, and at least one fluid distribution region. The condenser region has a first flow section which can be flowed through by a refrigerant and a second flow section which can be flowed through by a coolant. The evaporator region has a third flow section which can be flowed through by a refrigerant and a fourth flow section which can be flowed through by a coolant. The flow sections are formed by a plurality of flow ducts which are configured between the individual disc elements which form the heating/cooling module. A first fluid inlet and a first fluid outlet are provided, via which the condenser region can be flowed through with a coolant. A second inlet and a second outlet are provided, via which the evaporator region can be flowed through with a coolant.Type: ApplicationFiled: September 12, 2016Publication date: December 29, 2016Applicant: MAHLE International GmbHInventors: Gottfried DUERR, Herbert HOFMANN, Joachim Michael HAUG
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Publication number: 20150354900Abstract: A heat exchanger with mutually adjacent first flow channels and second flow channels. The first flow channels and the second flow channels are received in a first manifold at a first end region of the flow channel end regions and in a second manifold at a second end region of the flow channel end regions. The first manifold has a first base and the second manifold has a second base, the first base and second base having a plurality of openings in which the end regions of the flow channels are received. The first manifold has a first longitudinal channel and a second longitudinal channel. The second manifold has a second cover which together with the second base of the second manifold forms transverse channels, and one first flow channel and one second flow channel are fluidically connected to each other via a respective transverse channel.Type: ApplicationFiled: August 19, 2015Publication date: December 10, 2015Applicant: MAHLE International GmbHInventors: Gottfried DUERR, Uwe FOERSTER, Martin KASPAR, Wolfgang SEEWALD, Siegfried TEWS, Christoph WALTER
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Publication number: 20150260457Abstract: A heat exchanger is provided that includes a first flow channel for a refrigerant, a second flow channel for a refrigerant, and a third flow channel for a coolant, wherein the first flow channel has a first region for initial cooling of the refrigerant and a second region for further cooling of the refrigerant. The refrigerant can flow in a high-pressure phase in the first flow channel and the refrigerant can flow in a low-pressure phase in the second flow channel. A first heat exchange occurs between the refrigerant in the first region of the first flow channel and the coolant in the third flow channel and a second heat exchange occurs between the refrigerant in the second region of the first flow channel and the refrigerant in the second flow channel.Type: ApplicationFiled: May 29, 2015Publication date: September 17, 2015Applicant: MAHLE INTERNATIONAL GMBHInventors: Uwe FOERSTER, Gottfried DUERR, Herbert HOFMANN, Christoph WALTER