Patents by Inventor Juergen GRUENWALD
Juergen GRUENWALD 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: 9797631Abstract: The invention relates to a temperature-control device for the temperature control of an energy source, wherein the temperature-control device comprises a temperature-control unit, which has at least one Peltier element which is arranged between an accommodation area for the energy source and a fluid area in a thermally effective manner. Furthermore, the temperature-control device comprises a control unit for supplying voltage to the Peltier element, wherein the control unit is designed to supply a voltage to the Peltier element, which causes the Peltier element to transfer heat from the hotter part of the accommodation area or fluid area to the colder part of the accommodation area or fluid area.Type: GrantFiled: February 24, 2012Date of Patent: October 24, 2017Assignee: MAHLE INTERNATIONAL GMBHInventors: Jürgen Grünwald, Manuel Wehowski
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Publication number: 20170284709Abstract: A temperature control device may include a temperature control structure through which a fluid may be flowable and may have at least one first pipe wall defining an interior, and at least one thermoelectric module, which on a side facing away from the interior chamber of the temperature control structure may be arranged on the first pipe wall. The thermoelectric module may include at least two rows of elements each extending along an extension direction and with at least two thermoelectric elements. The thermoelectric elements of each of the at least two rows of elements may be electrically connected in series to forming a first and a second electric branch conductor. In at least one row of elements, an electric switch switchable between closed and opened states may be provided.Type: ApplicationFiled: July 30, 2015Publication date: October 5, 2017Applicant: Mahle International GmbHInventors: Stefan Hirsch, Juergen Gruenwald, Joachim Treier
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Publication number: 20170271729Abstract: A temperature control device may include a temperature control structure through which a fluid is flowable and which may have at least one first conduit wall defining an interior, and at least one thermoelectric module arranged on the first conduit wall on a side facing away from the interior. The thermoelectric module may have at least two element rows, each having at least two thermoelectric elements. The element rows may extend along an extension direction. At least two fluid channels may be provided in the temperature control structure, one fluid channel for each element row such that each fluid channel may be thermally coupled to an associated element row. In at least one fluid channel, a valve may be provided, the valve being adjustable between a closed position, in which the valve may close the fluid channel, and an open position, in which the valve may release the fluid channel.Type: ApplicationFiled: July 30, 2015Publication date: September 21, 2017Inventors: Stefan HIRSCH, Juergen GRUENWALD, Joachim TREIER
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Patent number: 9644868Abstract: A combined intake and exhaust manifold (1) for a thermoelectric temperature control device includes an outer manifold case (2) that partially encases a first case interior (3), and an inner manifold case (4) provided in the first case interior (3), which partially encases a second case interior (5). The outer and the inner manifold cases (2, 4) have a joint connection side (6) for connecting a fluid line (17a, 17b). The manifold further includes at least one first flow-through opening (7a, 7b) for introducing or discharging a fluid into or out of the first case interior (3) and at least one second flow-through opening (8a, 8b) for introducing or discharging the fluid into or out of the second case interior (5) on the connection side (6).Type: GrantFiled: May 4, 2015Date of Patent: May 9, 2017Assignee: MAHLE Behr GmbH & Co. KGInventors: Jürgen Grünwald, Stefan Hirsch
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Publication number: 20170018825Abstract: The invention relates to a heat exchanger, particularly for a motor vehicle, comprising a first component with a first duct, a second component with a second duct and a thermoelectric element for generating a heat flow, wherein a first fluid of a first fluid circuit can be caused to flow through the first duct to control the temperature of a first external component, wherein a second fluid of a second fluid circuit can be caused to flow through the second duct, which is fluidically separated from the first duct, to control the temperature of a second external component, and wherein the at least one thermoelectric element is arranged between the first and second components, contacting same thermally.Type: ApplicationFiled: December 3, 2013Publication date: January 19, 2017Applicant: MAHLE INTERNATIONAL GMBHInventors: Jürgen GRÜNWALD, Florin MOLDOVAN, Manuel WEHOWSKI
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Patent number: 9470438Abstract: The application relates to thermoelectric temperature control units, for example for controlling the temperature of an energy storage device in a motor vehicle. An exemplary embodiment comprises a Peltier element, having a first and a second surface, wherein the second surface is substantially adjacent or opposite to the first. The first surface is connected in a thermally conductive manner to a first and/or second flow duct, through which a fluid can flow. The second surface is connected in a thermally conductive manner to a heat-producing element, wherein the first flow duct is in fluid communication at one of the ends thereof with a first header, and the second flow duct is in fluid communication at one of the ends thereof with a second header, and the first flow duct and the second flow duct are in fluid communication at the respective second ends thereof with a common reversing header.Type: GrantFiled: June 28, 2013Date of Patent: October 18, 2016Assignee: MAHLE INTERNATIONAL GMBHInventors: Jürgen Grünwald, Heiko Neff, Dirk Neumeister, Manuel Wehowski, Martin Steinbach, Florin Moldovan
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Patent number: 9423162Abstract: A thermoelectric temperature control unit having at least one first Peltier element, which includes a first surface and a second surface, wherein the first surface is disposed adjoining or opposite the second surface, wherein the first surface of the Peltier element is connected to a first cover plate and the second surface is connected to a second cover plate, wherein heat can be supplied at least via one of the cover plates and dissipated via the other cover plate, wherein at least one of the cover plates has a variable material thickness along one or both of the extension directions thereof, whereby at least one region having a maximal material thickness and one region having a minimal material thickness are formed.Type: GrantFiled: June 26, 2014Date of Patent: August 23, 2016Assignee: MAHLE International GmbHInventors: Peter Roll, Juergen Gruenwald, Holger Schroth, Florin Moldovan, Martin Steinbach
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Patent number: 9377222Abstract: A thermoelectric temperature control unit with a first Peltier element and a second Peltier element, each of which has a first surface and a second surface, whereby the first surface is arranged adjacent or opposite to the second surface, whereby the Peltier elements are each connected with the first surface to a first cover plate and are connected with the respective second surface to a second cover plate, whereby heat can be supplied at least via one of the cover plates and heat can be removed via the other cover plate, whereby the first and/or the second cover plate have an expansion joint and/or a spring structure.Type: GrantFiled: June 26, 2014Date of Patent: June 28, 2016Assignee: Mahle International GmbHInventors: Peter Roll, Juergen Gruenwald, Holger Schroth, Florin Moldovan, Martin Steinbach
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Publication number: 20160028132Abstract: A temperature-control device for a battery of a motor vehicle may include a temperature-control plate including at least two rows of elements. Each of the at least two rows of elements may include at least two Peltier elements. Each Peltier element may include a first electric supply connection and a second electric supply connection for supplying each Peltier element with electrical energy. A first electric supply path may be disposed on the temperature-control plate and may define at least one of an open surround and a closed surround around the Peltier elements of the at least two rows of elements. At least one second electric supply path may be disposed on the temperature-control plate and may extend along a direction of extent with respect to an extent of the at least two rows of elements.Type: ApplicationFiled: July 21, 2015Publication date: January 28, 2016Inventors: Juergen Gruenwald, Stefan Hirsch
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Publication number: 20150369522Abstract: The invention relates to a heat exchanger which has at least one first Peltier element. The Peltier element has a first semiconductor arrangement and at least one second semiconductor arrangement. Each semiconductor arrangement has a first semiconductor, a second semiconductor, and an electric contact. At least one semiconductor of each semiconductor arrangement is made of a p-doped semiconductor material, and at least one semiconductor of each semiconductor arrangement is made of an n-doped semiconductor material. One n-doped semiconductor and one p-doped semiconductor are electrically connected in series in an alternating manner within each semiconductor arrangement, and a voltage can be applied to said semiconductors via the electric contact. The invention is characterized in that the two semiconductor arrangements are electrically connected to each other in parallel.Type: ApplicationFiled: December 20, 2013Publication date: December 24, 2015Applicant: MAHLE INTERNATIONAL GMBHInventors: Jürgen Grünwald, Dirk Neumeister
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Publication number: 20150316299Abstract: A combined intake and exhaust manifold (1) for a thermoelectric temperature control device includes an outer manifold case (2) that partially encases a first case interior (3), and an inner manifold case (4) provided in the first case interior (3), which partially encases a second case interior (5). The outer and the inner manifold cases (2, 4) have a joint connection side (6) for connecting a fluid line (17a, 17b). The manifold further includes at least one first flow-through opening (7a, 7b) for introducing or discharging a fluid into or out of the first case interior (3) and at least one second flow-through opening (8a, 8b) for introducing or discharging the fluid into or out of the second case interior (5) on the connection side (6).Type: ApplicationFiled: May 4, 2015Publication date: November 5, 2015Inventors: Jürgen Grünwald, Stefan Hirsch
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Publication number: 20150229009Abstract: A cooling device for a battery of a motor vehicle may include a first cooling plate and a second cooling plate bonded to the first cooling plate. The second cooling plate may include at least one depression extending in a direction away from the first cooling plate. The depression may define at least one fluid duct for a coolant flow. A first side of the first cooling plate facing away from the second cooling plate may include at least one thermoelectric element. A first side of the second cooling plate facing towards the first cooling plate may include a plurality of turbulence-generating elements.Type: ApplicationFiled: February 11, 2015Publication date: August 13, 2015Inventors: Juergen Gruenwald, Tasnim Benamor, Dirk Neumeister, Stefan Hirsch
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Publication number: 20150000307Abstract: A thermoelectric temperature control unit with a first Peltier element and a second Peltier element, each of which has a first surface and a second surface, whereby the first surface is arranged adjacent or opposite to the second surface, whereby the Peltier elements are each connected with the first surface to a first cover plate and are connected with the respective second surface to a second cover plate, whereby heat can be supplied at least via one of the cover plates and heat can be removed via the other cover plate, whereby the first and/or the second cover plate have an expansion joint and/or a spring structure.Type: ApplicationFiled: June 26, 2014Publication date: January 1, 2015Inventors: Peter ROLL, Juergen GRUENWALD, Holger SCHROTH, Florin MOLDOVAN, Martin STEINBACH
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Publication number: 20150000308Abstract: A thermoelectric temperature control unit having at least one first Peltier element, which includes a first surface and a second surface, wherein the first surface is disposed adjoining or opposite the second surface, wherein the first surface of the Peltier element is connected to a first cover plate and the second surface is connected to a second cover plate, wherein heat can be supplied at least via one of the cover plates and dissipated via the other cover plate, wherein at least one of the cover plates has a variable material thickness along one or both of the extension directions thereof, whereby at least one region having a maximal material thickness and one region having a minimal material thickness are formed.Type: ApplicationFiled: June 26, 2014Publication date: January 1, 2015Inventors: Peter ROLL, Juergen GRUENWALD, Holger SCHROTH, Florin MOLDOVAN, Martin STEINBACH
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Publication number: 20140013774Abstract: The application relates to thermoelectric temperature control units, for example for controlling the temperature of an energy storage device in a motor vehicle. An exemplary embodiment comprises a Peltier element, having a first and a second surface, wherein the second surface is substantially adjacent or opposite to the first. The first surface is connected in a thermally conductive manner to a first and/or second flow duct, through which a fluid can flow. The second surface is connected in a thermally conductive manner to a heat-producing element, wherein the first flow duct is in fluid communication at one of the ends thereof with a first header, and the second flow duct is in fluid communication at one of the ends thereof with a second header, and the first flow duct and the second flow duct are in fluid communication at the respective second ends thereof with a common reversing header.Type: ApplicationFiled: June 28, 2013Publication date: January 16, 2014Inventors: Jürgen GRÜNWALD, Heiko NEFF, Dirk NEUMEISTER, Manuel WEHOWSKI, Martin STEINBACH, Florin MOLDOVAN
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Publication number: 20130323543Abstract: The invention relates to a temperature-control device for the temperature control of an energy source, wherein the temperature-control device comprises a temperature-control unit, which has at least one Peltier element which is arranged between an accommodation area for the energy source and a fluid area in a thermally effective manner. Furthermore, the temperature-control device comprises a control unit for supplying voltage to the Peltier element, wherein the control unit is designed to supply a voltage to the Peltier element, which causes the Peltier element to transfer heat from the hotter part of the accommodation area or fluid area to the colder part of the accommodation area or fluid area.Type: ApplicationFiled: February 24, 2012Publication date: December 5, 2013Applicant: BEHR GMBH & CO. KGInventors: Jürgen Grünwald, Manuel Wehowski
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Publication number: 20090249810Abstract: An evaporator, in particular for a motor vehicle, is provided. The evaporator includes a plurality of plates stacked parallel to one another in a vertical direction with openings that are aligned with one another for supply and return of a first fluid in the form of refrigerant and of a second fluid, wherein there are formed between two adjacent plates a flow passage of a first type for carrying the first fluid in alternation with a flow passage of a second type for carrying the second fluid, wherein a heat-transferring area of the plates has a length in the direction of refrigerant flow and a width perpendicular thereto, wherein the ratio of the length to the width is no greater than approximately 1.3, wherein the refrigerant flows through the flow passages in a first bank comprising one or more of the flow passages of the first type, and at least one second bank comprising one or more of the flow passages of the first type following the first bank after a reversal of direction.Type: ApplicationFiled: April 2, 2009Publication date: October 8, 2009Inventors: Dirk NEUMEISTER, Achim WIEBELT, Juergen GRUENWALD