Patents by Inventor Jürgen Grünwald

Jürgen Grünwald 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).

  • Patent number: 9797631
    Abstract: 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: Grant
    Filed: February 24, 2012
    Date of Patent: October 24, 2017
    Assignee: MAHLE INTERNATIONAL GMBH
    Inventors: Jürgen Grünwald, Manuel Wehowski
  • Publication number: 20170284709
    Abstract: 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: Application
    Filed: July 30, 2015
    Publication date: October 5, 2017
    Applicant: Mahle International GmbH
    Inventors: Stefan Hirsch, Juergen Gruenwald, Joachim Treier
  • Publication number: 20170271729
    Abstract: 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: Application
    Filed: July 30, 2015
    Publication date: September 21, 2017
    Inventors: Stefan HIRSCH, Juergen GRUENWALD, Joachim TREIER
  • Patent number: 9644868
    Abstract: 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: Grant
    Filed: May 4, 2015
    Date of Patent: May 9, 2017
    Assignee: MAHLE Behr GmbH & Co. KG
    Inventors: Jürgen Grünwald, Stefan Hirsch
  • Publication number: 20170018825
    Abstract: 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: Application
    Filed: December 3, 2013
    Publication date: January 19, 2017
    Applicant: MAHLE INTERNATIONAL GMBH
    Inventors: Jürgen GRÜNWALD, Florin MOLDOVAN, Manuel WEHOWSKI
  • Patent number: 9470438
    Abstract: 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: Grant
    Filed: June 28, 2013
    Date of Patent: October 18, 2016
    Assignee: MAHLE INTERNATIONAL GMBH
    Inventors: Jürgen Grünwald, Heiko Neff, Dirk Neumeister, Manuel Wehowski, Martin Steinbach, Florin Moldovan
  • Patent number: 9423162
    Abstract: 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: Grant
    Filed: June 26, 2014
    Date of Patent: August 23, 2016
    Assignee: MAHLE International GmbH
    Inventors: Peter Roll, Juergen Gruenwald, Holger Schroth, Florin Moldovan, Martin Steinbach
  • Patent number: 9377222
    Abstract: 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: Grant
    Filed: June 26, 2014
    Date of Patent: June 28, 2016
    Assignee: Mahle International GmbH
    Inventors: Peter Roll, Juergen Gruenwald, Holger Schroth, Florin Moldovan, Martin Steinbach
  • Publication number: 20160028132
    Abstract: 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: Application
    Filed: July 21, 2015
    Publication date: January 28, 2016
    Inventors: Juergen Gruenwald, Stefan Hirsch
  • Publication number: 20150369522
    Abstract: 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: Application
    Filed: December 20, 2013
    Publication date: December 24, 2015
    Applicant: MAHLE INTERNATIONAL GMBH
    Inventors: Jürgen Grünwald, Dirk Neumeister
  • Publication number: 20150316299
    Abstract: 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: Application
    Filed: May 4, 2015
    Publication date: November 5, 2015
    Inventors: Jürgen Grünwald, Stefan Hirsch
  • Publication number: 20150229009
    Abstract: 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: Application
    Filed: February 11, 2015
    Publication date: August 13, 2015
    Inventors: Juergen Gruenwald, Tasnim Benamor, Dirk Neumeister, Stefan Hirsch
  • Publication number: 20150000307
    Abstract: 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: Application
    Filed: June 26, 2014
    Publication date: January 1, 2015
    Inventors: Peter ROLL, Juergen GRUENWALD, Holger SCHROTH, Florin MOLDOVAN, Martin STEINBACH
  • Publication number: 20150000308
    Abstract: 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: Application
    Filed: June 26, 2014
    Publication date: January 1, 2015
    Inventors: Peter ROLL, Juergen GRUENWALD, Holger SCHROTH, Florin MOLDOVAN, Martin STEINBACH
  • Publication number: 20140013774
    Abstract: 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: Application
    Filed: June 28, 2013
    Publication date: January 16, 2014
    Inventors: Jürgen GRÜNWALD, Heiko NEFF, Dirk NEUMEISTER, Manuel WEHOWSKI, Martin STEINBACH, Florin MOLDOVAN
  • Publication number: 20130323543
    Abstract: 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: Application
    Filed: February 24, 2012
    Publication date: December 5, 2013
    Applicant: BEHR GMBH & CO. KG
    Inventors: Jürgen Grünwald, Manuel Wehowski
  • Publication number: 20090249810
    Abstract: 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: Application
    Filed: April 2, 2009
    Publication date: October 8, 2009
    Inventors: Dirk NEUMEISTER, Achim WIEBELT, Juergen GRUENWALD