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公开(公告)号：US10302331B2
公开(公告)日：2019-05-28
申请号：US14605370
申请日：2015-01-26
发明人： Michael Kohl , Karl-Gerd Krumbach , Karl Lochmahr , Wolfgang Seewald , Olivier Schunck , Dirk Nagel , Lars Heeper , Matthias Stallein , Michael Steinkamp , Karsten Marquas , Volker Dicke
摘要： 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.
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公开(公告)号：US09924565B2
公开(公告)日：2018-03-20
申请号：US14518131
申请日：2014-10-20
发明人： Michael Kohl , Harri Pankratz , Ralph Trapp
CPC分类号： H05B6/10 , B60H1/2221 , B60H2001/2271 , F24H1/009 , F24H1/101 , F24H9/0015 , F24H2250/08 , H05B6/108
摘要： A device for electrically heating a fluid, in particular for use in an electrically operated motor vehicle, comprising an induction coil, which is integrated in an oscillating circuit and produces an alternating magnetic field, and at least one first inductor, which is positioned within the alternating magnetic field. The inductor can be arranged inside a module, through which a fluid to be heated can flow, and the induction coil is arranged outside the module.
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公开(公告)号：US09848464B2
公开(公告)日：2017-12-19
申请号：US13948603
申请日：2013-07-23
发明人： Michael Kohl , Karl-Gerd Krumbach , Karl Lochmahr , Wolfgang Seewald , Olivier Schunck , Dirk Nagel , Lars Heeper , Matthias Stallein , Michael Steinkamp , Karsten Marquas , Volker Dicke
CPC分类号： H05B6/108 , B60H1/2221 , B60H2001/2271 , F24D2200/08 , F24H1/101
摘要： 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.
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公开(公告)号：US09655171B2
公开(公告)日：2017-05-16
申请号：US14306982
申请日：2014-06-17
发明人： Wolfgang Seewald , Karl-Gerd Krumbach , Michael Kohl , Matthias Stallein , Lars Heeper , Karsten Marquas
CPC分类号： H05B6/108 , B60H1/2221 , F24H3/0429 , F24H9/0063 , H05B6/36 , H05B2206/024
摘要： 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.
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公开(公告)号：US20190387582A1
公开(公告)日：2019-12-19
申请号：US16443848
申请日：2019-06-17
发明人： Michael Kohl , Stefan Paetzold , Tim Teichmann , Falk Viehrig
摘要： 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.
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公开(公告)号：US20190387581A1
公开(公告)日：2019-12-19
申请号：US16443840
申请日：2019-06-17
发明人： Michael Kohl , Eric Marlier , Stefan Paetzold , Falk Viehrig
摘要： A PTC heating module for heating a fluid may include at least one first electrically conductive contact electrode and at least one second electrically conductive contact electrode arranged spaced apart from each other, at least one insulator layer attached to the at least one first contact electrode and the at least one second contact electrode, and at least one PTC thermistor element having a thickness. The at least one PTC thermistor element may have a first main surface and a second main surface disposed opposite each other relative to the thickness. The at least one first contact electrode may be in contact with a contact area of the first main surface and the at least one second contact electrode may be in contact with a contact area of the second main surface. At least one of a clearance distance and a creepage distance may be greater than the thickness.
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公开(公告)号：US11765792B2
公开(公告)日：2023-09-19
申请号：US16669497
申请日：2019-10-30
CPC分类号： H05B1/0297 , H05B3/22 , H05B2203/017 , H05B2203/02 , H05B2203/021
摘要： 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.
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公开(公告)号：US10964460B2
公开(公告)日：2021-03-30
申请号：US16377859
申请日：2019-04-08
发明人： Michael Kohl , Falk Viehrig , Denis Wiedmann
摘要： 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.
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公开(公告)号：US11420499B2
公开(公告)日：2022-08-23
申请号：US16567583
申请日：2019-09-11
摘要： An electric heating device and a method for manufacturing an electric heating device with at least two plate pairs forming a fluid passage through which fluid can flow, which plate pairs are assembled from two plates and form a fluid passage between the two, wherein the plate pairs take on a predefined distance from one another and form a free space, wherein at least one heating unit is arranged in the free space between at least two of the plate pairs, which heating unit has at least one heating element and contact electrodes electrically connected thereto for making electrical contact with the at least one heating element. The invention also relates to such an electric heating device.
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公开(公告)号：US20190311825A1
公开(公告)日：2019-10-10
申请号：US16377986
申请日：2019-04-08
发明人： Michael Kohl , Eric Marlier , Stefan Paetzold , David Rollet , Falk Viehrig , Denis Wiedmann
IPC分类号： H01C7/02 , H01C17/065
摘要： 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.
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