Patents by Inventor Karl-Gerd Krumbach

Karl-Gerd Krumbach 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: 10780762
    Abstract: An electrical heating device (1) includes a housing (2, 102) having a fluid inlet (3) for the intake of a fluid to be heated into the housing (2, 102) and having a fluid outlet (4) for the discharge of the fluid from the housing (2, 102). A flow channel (5) for the fluid is formed between the fluid inlet (3) and fluid outlet (4), and at least one heating instrument (6, 105, 205) extends into the flow channel (5) in the housing (2, 102). This heating instrument has a sleeve (7, 207) that surrounds an interior of the heating instrument (6, 105, 205) in a fluid-tight way. At least one heating element (8, 208) is arranged in the sleeve (7, 207), and at least one sensor element (9, 109, 209) is arranged in the sleeve (7, 207) for monitoring the temperature of the at least one heating element (8, 208).
    Type: Grant
    Filed: May 4, 2018
    Date of Patent: September 22, 2020
    Assignee: Türk & Hillinger Automotive GmbH
    Inventors: Michael Kohl, Karl-Gerd Krumbach, Wolfgang Seewald, Igor Tschemeris, Christoph Fodor, Andreas Schlipf
  • Patent number: 10422556
    Abstract: A thermoelectric temperature-control unit may include a first contact plate, a second contact plate, and at least one plate-shaped thermoelectric transducer. The thermoelectric transducer may have a first transducer side and a second transducer side facing away from the first transducer side. The thermoelectric transducer may be coupled to the first contact plate on the first transducer side and coupled to the second contact plate on the second transducer side. At least one of the first contact plate and the second contact plate may include a coupling zone on a respective inner side. A circumference of the coupling zone may be surrounded by a groove. A heat-conducting material may be arranged in the groove and along the coupling zone, and may directly contact the i) respective inner side and ii) one of the first transducer side and the second transducer side facing the respective inner side.
    Type: Grant
    Filed: November 11, 2016
    Date of Patent: September 24, 2019
    Assignee: Mahle International GmbH
    Inventors: Michael Brun, Timo Henke, Stefan Hirsch, Karl-Gerd Krumbach, Thomas Kuznia, Gilles Magnier, Jerome Stoeckel, Manuel Wehowski
  • Patent number: 10302331
    Abstract: A heating device is provided with plates stacked one on top of another. At least one first fluid channel is formed in a fluid-tight manner between a first plate package with a first and a second plate. An electrical heating element is arranged between a first plate of the first plate package and an additional plate. The electrical heating element is accommodated between the two plates in a sealed manner and is electrically insulated, wherein an inlet-side and an outlet side fluid connection of the first fluid channel is arranged on the second plate of the first plate package. The electrical heating element has a connection device for electrical contacting, which is connected to the electrical heating element and protrudes through a window in the second plate of the first plate package, wherein the fluid connections and the window are arranged adjacent to opposing lateral edges of the second plate.
    Type: Grant
    Filed: January 26, 2015
    Date of Patent: May 28, 2019
    Assignees: MAHLE International GmbH, Behr-Hella Thermocontrol GmbH
    Inventors: Michael Kohl, Karl-Gerd Krumbach, Karl Lochmahr, Wolfgang Seewald, Olivier Schunck, Dirk Nagel, Lars Heeper, Matthias Stallein, Michael Steinkamp, Karsten Marquas, Volker Dicke
  • Publication number: 20180328630
    Abstract: A thermoelectric temperature-control unit may include a first contact plate, a second contact plate, and at least one plate-shaped thermoelectric transducer. The thermoelectric transducer may have a first transducer side and a second transducer side facing away from the first transducer side. The thermoelectric transducer may be coupled to the first contact plate on the first transducer side and coupled to the second contact plate on the second transducer side. At least one of the first contact plate and the second contact plate may include a coupling zone on a respective inner side. A circumference of the coupling zone may be surrounded by a groove. A heat-conducting material may be arranged in the groove and along the coupling zone, and may directly contact the i) respective inner side and ii) one of the first transducer side and the second transducer side facing the respective inner side.
    Type: Application
    Filed: November 11, 2016
    Publication date: November 15, 2018
    Inventors: Michael Brun, Timo Henke, Stefan Hirsch, Karl-Gerd Krumbach, Thomas Kuznia, Gilles Magnier, Jerome Stoeckel, Manuel Wehowski
  • Publication number: 20180319252
    Abstract: An electrical heating device (1) includes a housing (2, 102) having a fluid inlet (3) for the intake of a fluid to be heated into the housing (2, 102) and having a fluid outlet (4) for the discharge of the fluid from the housing (2, 102). A flow channel (5) for the fluid is formed between the fluid inlet (3) and fluid outlet (4), and at least one heating instrument (6, 105, 205) extends into the flow channel (5) in the housing (2, 102). This heating instrument has a sleeve (7, 207) that surrounds an interior of the heating instrument (6, 105, 205) in a fluid-tight way. At least one heating element (8, 208) is arranged in the sleeve (7, 207), and at least one sensor element (9, 109, 209) is arranged in the sleeve (7, 207) for monitoring the temperature of the at least one heating element (8, 208).
    Type: Application
    Filed: May 4, 2018
    Publication date: November 8, 2018
    Inventors: Michael KOHL, Karl-Gerd KRUMBACH, Wolfgang SEEWALD, Igor TSCHEMERIS, Christoph FODOR, Andreas SCHLIPF
  • Patent number: 9915441
    Abstract: A heat exchanger having at least one electrical resistance heating element, two conductors connected electrically to the electrical resistance heating element to conduct electric current through the electrical resistance heating element and thereby to heat the electrical resistance heating element, a heat-conducting element for transferring heat from the electrical resistance heating element to a fluid to be heated, an electrical insulating element insulating electrically the two conductors and the at least one electrical resistance heating element, and at least one tube. The two conductors, the electrical insulating element, and the electrical resistance heating element are arranged within a cavity bounded by the tube. The heat exchanger has an adapter plate and a tube opening, each being arranged at an opening of the adapter plate, and the at least one tube being connected fluid-tight to the adapter plate, which is connected fluid-tight to an electronics housing and/or an HVAC system housing.
    Type: Grant
    Filed: September 13, 2011
    Date of Patent: March 13, 2018
    Assignee: MAHLE International GmbH
    Inventors: Michael Kohl, Thomas Spranger, Karl-Gerd Krumbach, Thierry Clauss
  • Publication number: 20180065447
    Abstract: An electric heating device having a housing with a fluid inlet and with a fluid outlet, wherein the housing can be flowed through by a fluid, and wherein a number of heating elements protrude into the interior of the housing, wherein the heating elements have a heating element housing, and wherein a heating element has at least one heater in the heating element housing and the at least one heater has contacting contact elements and an electrical insulation for insulating the contact elements from the heating element housing, wherein the heating elements are sealingly connected with their heating element housing to the housing, wherein the heater of the heating elements are arranged in a geometrical configuration between the contact elements.
    Type: Application
    Filed: September 6, 2017
    Publication date: March 8, 2018
    Applicant: MAHLE International GmbH
    Inventors: Alain CMELIK, Michael KOHL, Karl-Gerd KRUMBACH, Wolfgang SEEWALD
  • Patent number: 9863663
    Abstract: Disclosed herein is a heat exchanger, comprising at least one electric resistance heating element, at least two conductors which are connected to the at least one electric resistance heating element in an electrically conductive manner in order to conduct electric current through the at least one electric resistance heating element and thereby heat the electric resistance heating element, at least one thermally conductive element for transferring heat from the at least one electric resistance heating element to a fluid to be heated, at least one electrically insulating element, which electrically insulates the at least two conductors, and at least one pipe, wherein the at least two conductors and the at least one electric resistance heating element are arranged within a cavity bounded by the pipe and the pipe lies on the at least one electrically insulating element under a compressive force at at least one contact surface.
    Type: Grant
    Filed: June 19, 2012
    Date of Patent: January 9, 2018
    Assignee: MAHLE INTERNATIONAL GMBH
    Inventors: Michael Kohl, Karl-Gerd Krumbach, Thomas Spranger, Frank-Heiner Schenk
  • Patent number: 9848464
    Abstract: The application relates to an induction heating device having a housing and a fluid duct. The fluid duct is arranged in the housing and has a fluid inlet and a fluid outlet. Inside the housing is an induction element which generates an alternating magnetic field and which is separated from the fluid duct in a sealed manner by at least one wall. The device also includes at least one metallic areal heating element arranged in the fluid duct which can be heated by the alternating magnetic field.
    Type: Grant
    Filed: July 23, 2013
    Date of Patent: December 19, 2017
    Assignees: MAHLE INTERNATIONAL GMBH, BEHR-HELLA THERMOCONTROL GMBH
    Inventors: Michael Kohl, Karl-Gerd Krumbach, Karl Lochmahr, Wolfgang Seewald, Olivier Schunck, Dirk Nagel, Lars Heeper, Matthias Stallein, Michael Steinkamp, Karsten Marquas, Volker Dicke
  • Publication number: 20170356697
    Abstract: A fin element for a heat exchanger, in particular for a heating, ventilation, and/or air conditioning system of a motor vehicle, with a plurality of connecting sections and of longitudinal sections, whereby in each case two adjacent longitudinal sections are connected to one another by a connecting section, whereby at least one of the longitudinal sections has gills formed by webs and slots, whereby at least one of the webs has a flared web surface, whereby the web surface is flared out from the at least one longitudinal section, whereby the web surface forms at least two surface sections arranged angled to one another.
    Type: Application
    Filed: May 25, 2017
    Publication date: December 14, 2017
    Applicant: MAHLE International GmbH
    Inventors: Falk VIEHRIG, Johannes KAELBER, Elke DETTLING, Michael KOHL, Karl Gerd KRUMBACH, Wolfgang SEEWALD
  • Publication number: 20170307262
    Abstract: A method for assembling a heat exchanger device of a refrigeration unit may include pushing a heat exchanger coil of the heat exchanger device over a refrigerant collecting vessel of the heat exchanger device. The method may also include fluidically connecting the heat exchanger coil to the at least one cover of the heat exchanger device. The method may further include pushing a tubular casing of the heat exchanger device over the heat exchanger coil, and deforming the tubular casing radially inward.
    Type: Application
    Filed: October 6, 2015
    Publication date: October 26, 2017
    Inventors: Uwe FOERSTER, Wolfgang GEIGER, Andreas KOENIG, Karl-Gerd KRUMBACH, David MAYOR-TONDA
  • Patent number: 9743464
    Abstract: A heat exchanger device for a heater a motor vehicle, having a housing with at least one fluid channel disposed therein, with a fluid inlet and a fluid outlet, an element generating an alternating magnetic field, and at least one, preferably metallic, flat heating element around which a fluid can flow on one or both sides, whereby at least one further flat heating element is provided, which is configured to divide the at least one fluid channel into subchannels. A heater with a heat exchanger device is also provided.
    Type: Grant
    Filed: June 17, 2014
    Date of Patent: August 22, 2017
    Assignee: MAHLE International GmbH
    Inventors: Wolfgang Seewald, Karl-Gerd Krumbach, Michael Kohl
  • Patent number: 9655171
    Abstract: A heater with a housing with a fluid channel, disposed therein, with a fluid inlet and a fluid outlet, whereby a coil, which generates an alternating magnetic field and is separated sealed from the fluid channel by a coil housing, is provided in the housing, whereby furthermore at least one metallic flat heating element is provided, which can be heated by the alternating magnetic field. The at least one flat heating element is disposed in the fluid channel, whereby the fluid channel is divided at least into a first channel and a second channel. Walls bounding the channels are formed by the coil housing and/or by a flat heating element.
    Type: Grant
    Filed: June 17, 2014
    Date of Patent: May 16, 2017
    Assignees: MAHLE International GmbH, Behr-Hella Thermocontrol GmbH
    Inventors: Wolfgang Seewald, Karl-Gerd Krumbach, Michael Kohl, Matthias Stallein, Lars Heeper, Karsten Marquas
  • Patent number: 9506698
    Abstract: The invention relates to an electrically operable heating device through which liquid flows, comprising a housing. The heating device comprises an electrically operable heating apparatus and a liquid chamber for accommodating a heat-transferring liquid. The liquid chamber has a plurality of plate pairs comprising plates connected to each other at specified distances from each other, whereby liquid flow channels can be created between the plate pairs. The electrically operable heating apparatus is designed as a heating combination having a plurality of heating elements, wherein the heating combination can be arranged between the liquid chambers by inserting the heating units into the accommodating spaces produced between the plate pairs.
    Type: Grant
    Filed: December 12, 2012
    Date of Patent: November 29, 2016
    Assignee: MAHLE INTERNATIONAL GMBH
    Inventors: Michael Kohl, Karl-Gerd Krumbach, Thomas Spranger
  • Patent number: 9345071
    Abstract: An electrically operated heating device, in particular for a heating or air conditioning system of a vehicle, is provided, comprising a heating register with a layered heating element, for converting electrical energy into heat, and two electrically insulating and heat-conducting insulating layers, which respectively make contact, at least in certain regions, with one side of the layered heating element. The insulating layers and the layered heating element are braced with one another, an abrasion-counteracting sliding layer being arranged between at least one of the insulating layers and the layered heating element. Alternatively or in addition, at least one of the insulating layers and the layered heating element have, at least in the region of their mutual contact surfaces, a material pairing with which the abrasion of the contact surfaces goes below a predetermined limit value.
    Type: Grant
    Filed: July 11, 2013
    Date of Patent: May 17, 2016
    Assignee: MAHLE International GmbH
    Inventors: Christoph Kästle, Michael Kohl, Peter Englert, Karl-Gerd Krumbach, Michel Brun, Jerome Stoeckel
  • Publication number: 20150131979
    Abstract: A heating device is provided with plates stacked one on top of another. At least one first fluid channel is formed in a fluid-tight manner between a first plate package with a first and a second plate. An electrical heating element is arranged between a first plate of the first plate package and an additional plate. The electrical heating element is accommodated between the two plates in a sealed manner and is electrically insulated, wherein an inlet-side and an outlet side fluid connection of the first fluid channel is arranged on the second plate of the first plate package. The electrical heating element has a connection device for electrical contacting, which is connected to the electrical heating element and protrudes through a window in the second plate of the first plate package, wherein the fluid connections and the window are arranged adjacent to opposing lateral edges of the second plate.
    Type: Application
    Filed: January 26, 2015
    Publication date: May 14, 2015
    Inventors: Michael KOHL, Karl-Gerd KRUMBACH, Karl LOCHMAHR, Wolfgang SEEWALD, Olivier SCHUNCK, Dirk NAGEL, Lars HEEPER, Matthias STALLEIN, Michael STEINKAMP, Karsten MARQUAS, Volker DICKE
  • Publication number: 20150117846
    Abstract: The invention relates to an electrically operable heating device through which liquid flows, comprising a housing. The heating device comprises an electrically operable heating apparatus and a liquid chamber for accommodating a heat-transferring liquid. The liquid chamber has a plurality of plate pairs comprising plates connected to each other at specified distances from each other, whereby liquid flow channels can be created between the plate pairs. The electrically operable heating apparatus is designed as a heating combination having a plurality of heating elements, wherein the heating combination can be arranged between the liquid chambers by inserting the heating units into the accommodating spaces produced between the plate pairs.
    Type: Application
    Filed: December 12, 2012
    Publication date: April 30, 2015
    Applicant: BEHR GMBH & CO. KG
    Inventors: Michael Kohl, Karl-Gerd Krumbach, Thomas Spranger
  • Publication number: 20140374408
    Abstract: A heat exchanger device for a heater a motor vehicle, having a housing with at least one fluid channel disposed therein, with a fluid inlet and a fluid outlet, an element generating an alternating magnetic field, and at least one, preferably metallic, flat heating element around which a fluid can flow on one or both sides, whereby at least one further flat heating element is provided, which is configured to divide the at least one fluid channel into subchannels. A heater with a heat exchanger device is also provided.
    Type: Application
    Filed: June 17, 2014
    Publication date: December 25, 2014
    Inventors: Wolfgang SEEWALD, Karl-Gerd KRUMBACH, Michael KOHL
  • Publication number: 20140374409
    Abstract: A heater with a housing with a fluid channel, disposed therein, with a fluid inlet and a fluid outlet, whereby a coil, which generates an alternating magnetic field and is separated sealed from the fluid channel by a coil housing, is provided in the housing, whereby furthermore at least one metallic flat heating element is provided, which can be heated by the alternating magnetic field. The at least one flat heating element is disposed in the fluid channel, whereby the fluid channel is divided at least into a first channel and a second channel. Walls bounding the channels are formed by the coil housing and/or by a flat heating element.
    Type: Application
    Filed: June 17, 2014
    Publication date: December 25, 2014
    Inventors: Wolfgang SEEWALD, Karl-Gerd KRUMBACH, Michael KOHL, Matthias STALLEIN, Lars HEEPER, Karsten MARQUAS
  • Publication number: 20140169776
    Abstract: Disclosed herein is a heat exchanger, comprising at least one electric resistance heating element, at least two conductors which are connected to the at least one electric resistance heating element in an electrically conductive manner in order to conduct electric current through the at least one electric resistance heating element and thereby heat the electric resistance heating element, at least one thermally conductive element for transferring heat from the at least one electric resistance heating element to a fluid to be heated, at least one electrically insulating element, which electrically insulates the at least two conductors, and at least one pipe, wherein the at least two conductors and the at least one electric resistance heating element are arranged within a cavity bounded by the pipe and the pipe lies on the at least one electrically insulating element under a compressive force at at least one contact surface.
    Type: Application
    Filed: June 19, 2012
    Publication date: June 19, 2014
    Applicant: BEHR GMBH & CO. KG
    Inventors: Michael Kohl, Karl-Gerd Krumbach, Thomas Spranger, Frank-Heiner Schenk