Patents by Inventor Karl Lochmahr

Karl Lochmahr 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: 10322617
    Abstract: A system for a motor vehicle for heating and/or cooling a battery and a motor vehicle interior is provided that includes a first coolant circuit thermally coupled to the battery, a second coolant circuit for heating the motor vehicle interior having an air heat exchanger for outputting heat from the second coolant circuit to the air of the interior of the motor vehicle, and a heating unit for heating the second coolant circuit. The first coolant circuit and the second coolant circuit are thermally coupled to each other for heating the battery using heat from the second coolant circuit and/or for cooling the air of the motor vehicle interior, in that heat from the second coolant circuit can be fed to the first coolant circuit by the circuit heat exchanger or the mixing valve.
    Type: Grant
    Filed: March 26, 2012
    Date of Patent: June 18, 2019
    Assignee: MAHLE International GmbH
    Inventors: Michael Kohl, Karl Lochmahr, Thomas Strauss
  • 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
  • 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
  • Patent number: 9707823
    Abstract: The disclosed air-conditioning system for a vehicle driven by a motor, has a refrigerant circuit with a plurality of heat exchangers through which a refrigerant can be conducted for an exchange of heat with the air which flows through them, and has a heat pump heat exchanger in which an exchange of heat with a coolant circuit, in which at least one coolant cooler is arranged, takes place. It is possible for the coolant cooler, in the heating mode, to be used as a heat exchanger for absorbing heat from the environment. It is possible for the coolant cooler to be connected in series downstream of the heat pump heat exchanger in the coolant circuit A method for regulating such an air-conditioning system is also disclosed.
    Type: Grant
    Filed: February 22, 2008
    Date of Patent: July 18, 2017
    Assignee: MAHLE International GmbH
    Inventors: Günther Feuerecker, Karl Lochmahr, Frank Müller, Dirk Neumeister, Thomas Strauβ, Marcus Weinbrenner, Richard Obradovich, Gunnar Schlinke, Christophe Schmittheisler
  • 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: 20140027444
    Abstract: The invention relates to a heating device having a housing and having a fluid duct which is arranged in said housing and which has a fluid inlet and a fluid outlet, wherein, in the housing, there is provided an element which generates an alternating magnetic field and which is separated from the fluid duct in a sealed manner by at least one wall, wherein furthermore, at least one metallic areal heating element is provided which can be heated by the alternating magnetic field, wherein the at least one areal heating element is arranged in the fluid duct.
    Type: Application
    Filed: July 23, 2013
    Publication date: January 30, 2014
    Applicants: Behr GmbH & Co., KG, Behr-Hella Thermocontrol GmbH, Behr France Rouffach SAS
    Inventors: Michael KOHL, Karl-Gerd KRUMBACH, Karl LOCHMAHR, Wolfgang SEEWALD, Olivier SCHUNCK, Dirk NAGEL, Lars HEEPER, Matthias STALLEIN, Michael STEINKAMP, Karsten MARQUAS, Volker DICKE
  • Patent number: 8607855
    Abstract: The invention relates to an air-conditioning system for a motor-driven vehicle, having a refrigerant circuit (20) with a plurality of heat exchangers (4, 24) through which a refrigerant can be conducted for an exchange of heat with the air which flows through them, with it being possible for the heat exchangers (4, 24) to be operated as heaters or as evaporators as a function of the operating state of the air-conditioning system, and at least one third heat exchanger (16) is provided in the refrigerant circuit (20), which third heat exchanger (16) serves for an exchange of heat with a coolant circuit (13) which is formed separately from the refrigerant circuit (20). The vehicle can be both a motor vehicle and also a fuel-cell-driven vehicle.
    Type: Grant
    Filed: February 22, 2008
    Date of Patent: December 17, 2013
    Assignees: Behr GmbH & Co. KG, Behr America, Inc., Behr France Rouffach SAS
    Inventors: Günther Feuerecker, Karl Lochmahr, Frank Müller, Dirk Neumeister, Thomas Strauβ, Marcus Weinbrenner, Richard Obradovich, Gunnar Schlinke, Christophe Schmittheisler
  • Publication number: 20120241129
    Abstract: A system for a motor vehicle for heating and/or cooling a battery and a motor vehicle interior is provided that includes a first coolant circuit thermally coupled to the battery, a second coolant circuit for heating the motor vehicle interior having an air heat exchanger for outputting heat from the second coolant circuit to the air of the interior of the motor vehicle, and a heating unit for heating the second coolant circuit. The first coolant circuit and the second coolant circuit are thermally coupled to each other for heating the battery using heat from the second coolant circuit and/or for cooling the air of the motor vehicle interior, in that heat from the second coolant circuit can be fed to the first coolant circuit by the circuit heat exchanger or the mixing valve.
    Type: Application
    Filed: March 26, 2012
    Publication date: September 27, 2012
    Inventors: Michael KOHL, Karl Lochmahr, Thomas Strauss
  • Patent number: 7788938
    Abstract: The invention relates to a method for regulating a coolant circuit (2) of a vehicle air conditioning system (4). According to said method, a target value (SW(VT)) for an evaporator temperature (VT) is predetermined in a base control circuit. Said value is used to determine a control value (U) for controlling the evaporator temperature (VT) by means of an evaporator temperature regulator (16). Said control value is also fed to a ventilator fan controller (26).
    Type: Grant
    Filed: April 18, 2005
    Date of Patent: September 7, 2010
    Assignee: Behr GmbH & Co. KG
    Inventors: Wilhelm Baruschke, Armin Britsch-Laudwein, Karl Lochmahr
  • Publication number: 20080223064
    Abstract: The invention relates to an air-conditioning system (1) for a vehicle driven by a motor (16), having a refrigerant circuit (5) with a plurality of heat exchangers (2, 11) through which a refrigerant can be conducted for an exchange of heat with the air which flows through them, and having a heat pump heat exchanger (9) in which an exchange of heat with a coolant circuit (6), in which at least one coolant cooler (19) is arranged, takes place, with it being possible for the coolant cooler (19), in the heating mode, to be used as a heat exchanger for absorbing heat from the environment, and with the coolant cooler (19) being connected in series downstream of the heat pump heat exchanger (9) in the coolant circuit (6), and to a method for regulating an air-conditioning system (1) of said type.
    Type: Application
    Filed: February 22, 2008
    Publication date: September 18, 2008
    Inventors: Gunther Feuerecker, Karl Lochmahr, Frank Muller, Dirk Neumeister, Thomas Strauss, Marcus Weinbrenner, Richard Obradovich, Gunnar Schlinke, Christophe Schmittheisler
  • Publication number: 20080202722
    Abstract: The invention relates to an air-conditioning system for a motor-driven vehicle, having a refrigerant circuit (20) with a plurality of heat exchangers (4, 24) through which a refrigerant can be conducted for an exchange of heat with the air which flows through them, with it being possible for the heat exchangers (4, 24) to be operated as heaters or as evaporators as a function of the operating state of the air-conditioning system, and at least one third heat exchanger (16) is provided in the refrigerant circuit (20), which third heat exchanger (16) serves for an exchange of heat with a coolant circuit (13) which is formed separately from the refrigerant circuit (20). The vehicle can be both a motor vehicle and also a fuel-cell-driven vehicle.
    Type: Application
    Filed: February 22, 2008
    Publication date: August 28, 2008
    Inventors: Gunther Feuerecker, Karl Lochmahr, Frank Muller, Dirk Neumeister, Thomas Strauss, Marcus Weinbrenner, Richard Obradovich, Gunnar Schlinke, Christophe Schmittheisler
  • Publication number: 20080105754
    Abstract: The invention relates to a heating, ventilating or air-conditioning system, particularly for motor vehicles, and to a method for operating a system of this type, particularly for controlling the outflow characteristics (18) of a vent (1).
    Type: Application
    Filed: January 14, 2005
    Publication date: May 8, 2008
    Inventors: Wilhelm Baruschke, Dieter Heinle, Dietrich Klinger, Karl Lochmahr, Eric Pitz, Klaus Voigt
  • Patent number: 7334628
    Abstract: A control device for gas is provided with a pivotable flap mounted between side walls of a guide duct. A receiving pocket for the insertion of a drive element (motor) is provided on one of the side walls and is oriented in such a way that, after insertion, the output shaft of the drive element is in engagement with the flap. This receiving pocket may be arranged so that the drive element is inserted coaxially with respect to the pivot axis of the flap or transversely thereto, or if the receiving pocket extends into the interior of the duct, the pivot flap is provided with a corresponding cut-out.
    Type: Grant
    Filed: May 18, 2001
    Date of Patent: February 26, 2008
    Assignee: Behr GmbH & Co.
    Inventors: Walter Denk, Karl Lochmahr, Eric Reinisch, Klaus Waibel
  • Publication number: 20080003938
    Abstract: The invention relates to a method for regulating an air nozzle (3) for air-conditioning a motor vehicle. An actuator which is used to control a ventilation device and/or an actuator which is used to control the width of the air jet and/or an actuator which is used to control the direction of air and/or a heating device are associated with said air nozzle (3). At least one sensor, which is used to receive measuring values, is provided. The adjustment of the air nozzle (3) is regulated according to measuring values of the sensor.
    Type: Application
    Filed: January 14, 2005
    Publication date: January 3, 2008
    Inventors: Wilhelm Baruschke, Dieter Heinle, Dietrich Klingler, Karl Lochmahr, Eric Pitz, Klaus Voigt
  • Publication number: 20070271943
    Abstract: The invention relates to an air-conditioning system (1), in particular a motor vehicle air-conditioning system (1) comprising a coolant circuit (2) provided with a coolant compressor (3) and a gas cooler (4), an internal heat exchanger (5), an expansion unit (7) and an evaporator (8) Said invention is characterised in that a device for turning back the coolant flow direction is provided for the heal pump operation and means for switching off the internal heat exchanger (5) when the flow direction is reversed is also provided.
    Type: Application
    Filed: September 13, 2004
    Publication date: November 29, 2007
    Inventors: Wilhelm Baruschke, Armin Britsch-Laudwein, Marion Britsch-Laudwein, Karl Lochmahr
  • Publication number: 20070261420
    Abstract: The invention relates to a method for controlling a coolant circuit (2) of an air conditioning system (4) for a vehicle. According to said method, a compressor (10) that is located in the coolant circuit (2) is controlled in accordance with an evaporator temperature controller (VR) and a load torque limitation function (22) that is integrated into said evaporator temperature controller (VR).
    Type: Application
    Filed: June 1, 2005
    Publication date: November 15, 2007
    Applicant: BEHR GmbH & CO. KG
    Inventors: Wilhelm Baruschke, Armin Britsch-Laudwein, Karl Lochmahr
  • Publication number: 20070214811
    Abstract: The invention relates to a method for regulating a coolant circuit (2) of a vehicle air conditioning system (4). According to said method, a target value (SW(VT)) for an evaporator temperature (VT) is predetermined in a base control circuit. Said value is used to determine a control value (U) for controlling the evaporator temperature (VT) by means of an evaporator temperature regulator (16). Said control value is also fed to a ventilator fan controller (26).
    Type: Application
    Filed: April 18, 2005
    Publication date: September 20, 2007
    Applicant: BEHR GmbH & Co., KG
    Inventors: Wilhelm Baruschke, Armin Britsch-Laudwein, Karl Lochmahr
  • Publication number: 20070113572
    Abstract: Air conditioning unit (1) suitable for stand-alone operation in a motor vehicle includes a refrigerant circuit (2) that has a compressor (3), a condenser (4) and an evaporator for cooling air which is to be conditioned, as well as at least one evaporator blower and a condenser fan (5) which can be driven by a motor (8). The motor (8) for the compressor (3) is arranged in an air duct (11), so that the motor (8) is actively ventilated with air in the air duct (11).
    Type: Application
    Filed: November 6, 2006
    Publication date: May 24, 2007
    Inventors: Wilhelm BARUSCHKE, Arthur Heberle, Karl Lochmahr
  • Patent number: 6997240
    Abstract: A flap provided with an integral motor-containing drive element provided with an integral motor-containing drive element for controlling the air flow through an air-guide duct in, for example, a motor vehicle air condition system which includes a housing defining an air flow duct, an evaporator located in the housing, a heater located in the housing. The flap is adapted to be pivoted about and axis and is supported at each of its axial ends. One end is provided with a cut-out or recess which extends inwardly from one end along the axis of rotation. This cut-out or recess has opposed edges which engage in slots formed in holding means or housing that encloses the drive element, and which permit the ready insertion of the drive unit into an operative position.
    Type: Grant
    Filed: May 18, 2001
    Date of Patent: February 14, 2006
    Assignee: BEHR GmbH & Co.
    Inventors: Walter Denk, Karl Lochmahr, Eric Reinisch, Klaus Waibel
  • Patent number: 6679075
    Abstract: Disclosed is a heating and/or air-conditioning system for a vehicle and a method for adjusting a recirculating air fraction of the inlet air delivered to a passenger compartment of a vehicle in order to avoid exceeding a predetermined limit value of at least one air parameter, in particular the carbon dioxide fraction and/or the humidity in the passenger compartment air. The method provides that one or more secondary parameters be obtained and analyzed for indirect determination of the air parameter, and that the recirculating air fraction be adjusted as a function of the analysis.
    Type: Grant
    Filed: June 7, 2002
    Date of Patent: January 20, 2004
    Assignee: Behr GmbH & Co.
    Inventors: Hans Kampf, Karl Lochmahr, Armin Britsch-Laudwein