Feedthrough, electrical heating device with such a feedthrough, system with such a feedthrough, and method for manufacturing such a feedthrough
A technology of electric heating device and casing, which is applied in the direction of ohmic resistance heating parts, heating elements, heating element shapes, etc., to achieve the effect of reducing sensitivity
Active Publication Date: 2021-04-16
塔克及海林阁有限公司
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- Abstract
- Description
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Problems solved by technology
The problem that arises from this is that the electrical connections for supplying the electric heating device have to be electrically insulated from the wall surface through the metal, which can be done with the aid of bushings known for example from WO 96 / 41353
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Embodiment Construction
[0028] figure 1 A bushing 10 is shown for passing through the metal wall a connection for an electrical heating device not shown to supply the electrical heating device. The connecting piece is fixedly connected to the sleeve 10 , so that it is an integral part of the sleeve and its components are also components of the sleeve 10 .
[0029] connectors according to figure 1 In the embodiment of the present invention, the connecting conductor 11 is formed by an electrically insulating material 12, for example by a ceramic molded part or pressed magnesium oxide, aluminum oxide or a mixture comprising these components, and the bushing at least in sections An outer sheath 13 made of metal is electrically isolated. The connecting piece and thus the bushing 10 have two exposed connecting conductor sections 11a, 11b, whereby a thread is cut into the connecting conductor part 11a here by way of example, so that by screwing a correspondingly designed, not here The connectors shown ma...
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A feedthrough (10, 20, 30), an electrical heating device with such a feedthrough, a system with such a feedthrough, and a method for manufacturing such a feedthrough are provided. A feedthrough is disclosed for feeding a connection for an electrical heating device through a metal wall for supplying the electrical heating device with current, wherein the connection is part of the feedthrough and is formed by a connection conductor (11, 21, 31), which is electrically isolated by an electrically insulating material (12, 22, 32) from an outer sheath (13, 23, 33) of the feedthrough that is made from a metal at least in some sections, wherein the connection has at least one exposed connection conductor section (11a, 11b, 21a, 21b, 31a, 31b), in which the outer sheath has multiple outer sheath sections (13a, 13b, 23a, 23b, 23c, 33a, 33b) electrically insulated from each other in the longitudinal direction of the connection conductor.
Description
technical field [0001] The invention relates to a bushing for an electric heating device, an electric heating device having such a bushing, a system having such a bushing and a method for producing such a bushing. Background technique [0002] Electric heating devices are used in a wide variety of applications. For many of these applications, it is necessary to arrange the electric heating device within a certain volume. The problem that arises from this is that the electrical connections for supplying the electric heating device have to be electrically insulated from the metal wall surface through the latter, which can be done with the aid of bushings known, for example, from WO 96 / 41353. [0003] Throughout the field of application, for example in the automotive field, the bushing is subjected to various, not insignificant, loads caused by the conditions of use and possible environmental influences. Therefore, the bushing must have sufficient mechanical stability even un...
Claims
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IPC IPC(8): H05B3/02H05B3/40H01B17/58
CPCH05B3/06H05B3/44
Inventor 安德列亚斯·司列福
Owner 塔克及海林阁有限公司