Patents by Inventor Falk Viehrig
Falk Viehrig 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: 11765792Abstract: The disclosure relates to a PTC heating module for heating a fluid and a method for producing such a PTC heating module. The PTC heating module includes a plurality of PTC thermistors having main surfaces disposed opposite to one another and spaced apart relative to one another in a thickness direction. The PTC thermistors are arranged between two contact plates next to one another transversely to the thickness direction and spaced apart relative to one another. The main surfaces of the PTC thermistors are electrically contacted with a contact surface of the two contact plates. At least one dielectric function element is arranged between the two contact plates and laterally sealingly engages about the respective PTC thermistors to at least partially fill a hollow space between the two contact plates and facilitate enlarging a creepage distance between the two contact plates within the hollow space.Type: GrantFiled: October 30, 2019Date of Patent: September 19, 2023Inventors: Alexander Daniel, Michael Kohl, Jonas Caspar Schwenzer, Wolfgang Seewald, Falk Viehrig
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Publication number: 20230008619Abstract: A heat exchanger for heating a fluid that exhibits simplified manufacturing, a reduced construction size, and/or an increased heating efficiency. The heat exchanger has at least two distanced tube bodies through which a flow path of the fluid leads. A thin-film resistor is applied on the outer surface of at least one of the tube bodies with an interface made of a thermal interface material located between the thick-film resistor and the next neighboring tube body.Type: ApplicationFiled: July 7, 2022Publication date: January 12, 2023Inventors: Stefan Bögershausen, Francisco González Espin, Torbjorn Hallberg, Marcel Hülss, Falk Viehrig, Christoph Walter, Robin Wanke, Emma Waßmer
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Publication number: 20220375659Abstract: The invention relates to a PTC heating element (1). The PTC heating element (1) comprises a block-shaped PTC thermistor (2) having two contact surfaces (4a, 4b) and two electrically conductive contact plates (3a, 3b). The PTC thermistor (2) is arranged between the contact plates (3a, 3b) and facing the contact plates (3a, 3b) with the contact surfaces (4a, 4b). An adhesion-promoting electrically conductive bonding layer (6a, 6b) each is arranged between the contact surface (4a, 4b) and the contact plate (3a, 3b). The PTC thermistor (2) is firmly connected to the respective contact plates (3a, 3b) by means of the respective bonding layers (6a, 6b) and electrically conductively contacted. The adhesion-promoting electrically conductive bonding layer (6a, 6b) according to the invention comprises silicone or consists thereof.Type: ApplicationFiled: May 7, 2022Publication date: November 24, 2022Inventors: Alexander Daniel, Marcel Huelss, Peter Schluenzen, Falk Viehrig, Robin Wanke, Denis Wiedmann
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Patent number: 11295878Abstract: A PTC thermistor module for a temperature control device may include at least one PTC thermistor element, two electrically insulating insulator plates, and a plurality of electrical conductors. The PTC thermistor element may have a flat element cross section, two opposing large outer surfaces, and two opposing small outer surfaces connecting the two large outer surfaces. The two insulator plates may be respectively connected to one of the two large outer surfaces. The plurality of electrical conductors may be configured as a plurality of electrically conductive conductor coatings, which may each be disposed on an associated insulator plate of the two insulator plates. At least one first conductor coating may be electrically connected to a first large outer surface of the two large outer surfaces. At least two second conductor coatings may be electrically connected to a second large outer surface of the two large outer surfaces.Type: GrantFiled: February 4, 2021Date of Patent: April 5, 2022Inventors: Nicolas Edel, Gilles Magnier, Eric Marlier, Pascal Miss, Jerome Stoeckel, Falk Viehrig
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Publication number: 20210410232Abstract: An electric heating device for heating a temperature-control fluid may include two electrodes, a heating element, and an elevation. The two electrodes may each include an electrode body with an inner surface. The heating element may include two electrical connecting surfaces disposed opposite one another. The heating element may be arranged between the two electrodes such that each connecting surface faces the inner surface of a respective one of the two electrodes. A joint may be delimited by the inner surface of an electrode and the associated connecting surface of the heating element. The joint may be filled with an adhesive via which the electrode is connected to the heating element in an integrally bonded manner. The elevation may project into the joint from the inner surface delimiting the joint. The elevation may lie against the associated connecting surface and electrically connect the electrode to the associated connecting surface.Type: ApplicationFiled: June 28, 2021Publication date: December 30, 2021Inventors: Michael Kohl, Peter Schluenzen, Wolfgang Seewald, Falk Viehrig, Denis Wiedmann
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Publication number: 20210378057Abstract: A PTC heating module for a battery-operated motor vehicle may include a first and a second electrode, and a plurality of PTC elements. The first and second electrodes may be configured to be electrically conductive. The plurality of PTC elements may be arranged between the first and second electrodes and may be spaced apart from one another in a longitudinal direction of the PTC heating module. The first and second electrodes may be connected to the plurality of PTC elements. At least one of the first and second electrodes may be subdivided into at least two electrode tracks. The at least two electrode tracks may be electrically isolated from one another. Each of the at least two electrode tracks may be connected to the plurality of PTC elements.Type: ApplicationFiled: May 26, 2021Publication date: December 2, 2021Inventors: Simon Dangelmaier, Marcel Huelss, Falk Viehrig, Robin Wanke, Denis Wiedmann
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Publication number: 20210283987Abstract: A heating arrangement may include at least one PTC heating device with at least one first PTC heating element. The PTC heating device includes at least one second PTC heating element that is distinct from the first PTC heating element, wherein the first and second PTC heating elements may be arranged in a through-flow direction next to one another. Alternatively, a further PTC heating device with at least one second PTC heating element that is distinct from the first PTC heating element may be provided, wherein the first and second PTC heating devices may be arranged in the through-flow direction next to one another.Type: ApplicationFiled: March 10, 2021Publication date: September 16, 2021Inventors: Simon Dangelmaier, Nicolas Edel, Mathieu Hildenbrand, Marcel Huelss, Pascal Miss, Falk Viehrig, Robin Wanke, Denis Wiedmann
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Publication number: 20210283986Abstract: A heating arrangement may include a first PTC heating device with at least one first PTC heating element, and a second PTC heating device with at least one second PTC heating element. The first and second PTC heating devices may be arranged in a through-flow direction one behind the other. The first and second PTC heating devices may be controllable independently of one another via a controller.Type: ApplicationFiled: March 10, 2021Publication date: September 16, 2021Inventors: Simon Dangelmaier, Marcel Huelss, Falk Viehrig, Robin Wanke, Denis Wiedmann
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Publication number: 20210241945Abstract: A PTC thermistor module for a temperature control device may include at least one PTC thermistor element, two electrically insulating insulator plates, and a plurality of electrical conductors. The PTC thermistor element may have a flat element cross section, two opposing large outer surfaces, and two opposing small outer surfaces connecting the two large outer surfaces. The two insulator plates may be respectively connected to one of the two large outer surfaces. The plurality of electrical conductors may be configured as a plurality of electrically conductive conductor coatings, which may each be disposed on an associated insulator plate of the two insulator plates. At least one first conductor coating may be electrically connected to a first large outer surface of the two large outer surfaces. At least two second conductor coatings may be electrically connected to a second large outer surface of the two large outer surfaces.Type: ApplicationFiled: February 4, 2021Publication date: August 5, 2021Inventors: Nicolas Edel, Gilles Magnier, Eric Marlier, Pascal Miss, Jerome Stoeckel, Falk Viehrig
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Publication number: 20210221197Abstract: A heating element assembly for a heating device of a vehicle may include at least one first PTC heating element configured to heat a fluid, at least one second PTC heating element configured to heat the fluid, and at least one additional heating device configured to heat the at least one first PTC heating element and the at least one second PTC heating element. The at least one first PTC heating element and the at least one second PTC heating element may be arranged spaced apart from one another. The at least one additional heating device may be arranged, at least in sections, between the at least one first PTC heating element and the at least one second PTC heating element.Type: ApplicationFiled: January 19, 2021Publication date: July 22, 2021Inventors: Falk Viehrig, Robin Wanke
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Publication number: 20210153305Abstract: A heating module includes at least one cold conductor element and at least one electrical heating element that is different from the at least one cold conductor element. The at least one cold conductor element and the at least one heating element are electrically connectable in parallel. The at least one cold conductor element and the at least one heating element are connected with one another thermally in a heat-transferring manner.Type: ApplicationFiled: November 17, 2020Publication date: May 20, 2021Inventors: Stefan Boegershausen, Marcel Huelss, Falk Viehrig, Robin Wanke
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Publication number: 20210153306Abstract: The present invention relates to a heating module (14) with at least one PTC thermistor element (2) and at least one heating element (15), which is different from a PTC thermistor element (2), wherein the heating element (15) and the PTC thermistor element (2) are connected electrically in series. A simplified and cost-effective production and/or operation of the heating module (14) materialise in that the heating element (15) is thermally connected to the PTC thermistor element (2) in a heat-transferring manner and an electric current density through the PTC thermistor element (2) is lower than the electric current density through the heating element (15). The invention, furthermore, relates to a heating device (31) having at least one such heating module (14).Type: ApplicationFiled: November 17, 2020Publication date: May 20, 2021Inventors: Stefan Boegershausen, Marcel Huelss, Falk Viehrig, Robin Wanke
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Publication number: 20210144810Abstract: A PTC heating element for a PTC heating module for a vehicle is disclosed. The PTC heating element includes a PTC thermistor having two main surface that, in a thickness direction of the PTC thermistor, are located opposite one another and spaced apart from one another. Two electrically conductive contact layers are applied to the two main surfaces of the PTC thermistor. A total quotient between a total geometrical area of the two contact layers and a total geometrical area of the two main surfaces is substantially below 1 and substantially above 0, e.g., between 0.05 and 0.85.Type: ApplicationFiled: October 8, 2020Publication date: May 13, 2021Inventors: Marcel Huelss, Isabel Munoz Rubio, Falk Viehrig, Robin Wanke
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Patent number: 10964460Abstract: A PTC thermistor module for a temperature control device may include at least one PTC thermistor element. The PTC thermistor element may include an upper side and an underside facing away from the upper side. The upper side and on the underside may be respectively applied in a heat-exchanging manner with a heat-conducting plate. An edge side, connecting the upper side and the underside with one another in an edge-side manner, of at least one of the PTC thermistor elements, may be applied to a heat-conducting element, which has a thermal conductivity of at least 5 W/mK. A temperature control device may include at least one such PTC thermistor module.Type: GrantFiled: April 8, 2019Date of Patent: March 30, 2021Inventors: Michael Kohl, Falk Viehrig, Denis Wiedmann
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Publication number: 20210070146Abstract: The present disclosure describes a PTC heating device for, e.g., an air-conditioning system of a motor vehicle. The PTC heating device includes first and second PTC thermistors each having a first and second electrical contacting surface that lie opposite one another. The PTC thermistors are arranged sandwiched between a first and a second electrical insulation. A first electrical line path is arranged between the first PTC thermistors and the first electrical insulation. The first electrical line path is electrically connected to the first contacting surface of the first PTC thermistors. A second electrical line path is arranged between the second PTC thermistors and the first electrical insulation. The second electrical line path is electrically isolated from the first line path and electrically connected to the first contacting surface of the second electric PTC thermistors.Type: ApplicationFiled: September 10, 2020Publication date: March 11, 2021Inventors: Lena Funk, Wolfgang Seewald, Falk Viehrig
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Publication number: 20210061066Abstract: The present disclosure describes a heating element for, e.g., an electrically drivable motor vehicle. The heating element includes a heating body having large heating areas oriented opposite one another, at least one insulating body for electrical insulation, and at least one functional body for providing an electrical conducting function and a bonding function. The at least one functional body includes a pair of fiction bodies having large functional body areas oriented opposite to one another. The pair of functional bodies are arranged on the heating body such that at least one large heating area lies substantially with its full surface area against a respective large functional body area of the respective functional body. The at least one functional body is of a two-part or multi-part structure.Type: ApplicationFiled: September 3, 2020Publication date: March 4, 2021Applicant: Mahle International GmbHInventors: Lena Funk, Wolfgang Seewald, Stephane Van Haaren, Falk Viehrig
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Patent number: 10818419Abstract: A PTC thermistor element for a tempering device may include a main body, which may have a positive temperature coefficient. The main body may have PTC thermistor components, a core, and ceramics components at least in the core. The PTC thermistor components may have a positive temperature coefficient, and the ceramics components may have a thermal conductivity of at least 2.5 W/mK. The ceramics components may be disposed in a distributed manner.Type: GrantFiled: April 8, 2019Date of Patent: October 27, 2020Assignee: MAHLE INTERNATIONAL GMBHInventors: Michael Kohl, Eric Marlier, Stefan Paetzold, David Rollet, Falk Viehrig, Denis Wiedmann
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Publication number: 20200137837Abstract: The disclosure relates to a PTC heating module for heating a fluid and a method for producing such a PTC heating module. The PTC heating module includes a plurality of PTC thermistors having main surfaces disposed opposite to one another and spaced apart relative to one another in a thickness direction. The PTC thermistors are arranged between two contact plates next to one another transversely to the thickness direction and spaced apart relative to one another. The main surfaces of the PTC thermistors are electrically contacted with a contact surface of the two contact plates. At least one dielectric function element is arranged between the two contact plates and laterally sealingly engages about the respective PTC thermistors to at least partially fill a hollow space between the two contact plates and facilitate enlarging a creepage distance between the two contact plates within the hollow space.Type: ApplicationFiled: October 30, 2019Publication date: April 30, 2020Inventors: Alexander Daniel, Michael Kohl, Jonas Caspar Schwenzer, Wolfgang Seewald, Falk Viehrig
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Patent number: 10616959Abstract: The invention relates to an electric heating device with at least one electrically heatable heating element or with a plurality of electrically heatable heating elements, wherein at least one radiator element is thermally connected to the at least one heating element in order to heat a fluid flow, which flows against and/or around and/or through the at least one radiator element, wherein each heating element has at least one heater which heats up when electric current flows through the heater, wherein electrode elements are provided for electrically contacting the heater, wherein the electrode elements contacting a heater are arranged spaced from one another and accommodate at least one of the heater between them, wherein at least two heater are electrically interconnected in series.Type: GrantFiled: April 25, 2018Date of Patent: April 7, 2020Assignee: MAHLE International GmbHInventors: Michael Kohl, Falk Viehrig
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Publication number: 20190387582Abstract: A PTC heating module for heating a fluid may include two contact plates between which at least one cuboid PTC thermistor is arranged and at least one contact socket with a contact side. The PTC thermistor may have two main sides disposed opposite each other and defining a thermistor thickness therebetween. The contact side of the at least one contact socket may rest against a first main side of the at least one PTC thermistor and another side may rest against a first contact plate. A geometric contact surface between the first main side and the contact side of the at least one contact socket may be smaller than a geometric surface of the first main side. A clearance distance extending between the two contact plates and a creapage distance extending from the at least one contact socket to a second contact plate may be larger than the thermistor thickness.Type: ApplicationFiled: June 17, 2019Publication date: December 19, 2019Inventors: Michael Kohl, Stefan Paetzold, Tim Teichmann, Falk Viehrig