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Electric resistance heat element for a heating device for heating a flowing gaseous medium

A resistance heating element, heating gas technology, applied in the direction of ohmic resistance heating, heating element material, heating element shape, etc.

Inactive Publication Date: 2009-12-16
LEISTER TECHNOLOGIES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The invention solves the problem of proposing an improved resistance heating element for heating devices of flowing gaseous media, wherein the risk of overheating is reduced even without special protective measures

Method used

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  • Electric resistance heat element for a heating device for heating a flowing gaseous medium
  • Electric resistance heat element for a heating device for heating a flowing gaseous medium
  • Electric resistance heat element for a heating device for heating a flowing gaseous medium

Examples

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Embodiment Construction

[0036] figure 1 An embodiment of a resistive heating element 1 according to the invention is shown having four heating resistors 2 in axial section, only two of which are visible in the drawing. The heating resistor 2 is substantially rod-shaped and has front and rear end portions 3 , 4 . The rear end part 4 is associated with the air inlet side 5 and the front end part is associated with the air outlet side 6 of the resistance heating element 1 . The heating resistor 2 is U-shaped and has a flat surface 7, ends 8, 8', limbs 9, 9' and a base 10 connecting the limbs 9, 9'. The ends 8' of the heating resistor 2 are connected in an electrically conductive manner by means of a bridge 11. The power supply line 12 leads to the end 8 of the heating resistor 8 .

[0037] The heating resistor 2 is held by front and rear carrier plates 13 , 14 . The base 10 actively engages the front carrier plate 13 on the air outlet side and the two facing ends 8, 8' actively engage the ...

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Abstract

The invention discloses an electric resistance heat element for a heating device for heating a flowing gaseous medium. The invention relates to an electrical resistance heating element for a heating device, with at least one flow canal through which the gaseous medium is able to flow from a canal inlet side to a canal outlet side of the resistance heating element, and with at least one heating resistor that extends essentially in the direction of the flow canal, with the medium flowing past the heating resistor and being heated in the process. The heating resistor is rod-shaped and produced from an electrically conductive ceramic material. The electrical resistance heating element is intended for installation in a heating tube into which air, for example, is blown at one end. The heated flow of air exits from the other end of the heating tube.

Description

technical field [0001] The invention relates to a resistance heating element of a heating device for heating a gaseous medium, having at least one heating resistor extending approximately in the longitudinal direction of the resistance heating element, through which the medium flows and is heated in the process. The resistive heating element has at least one flow conduit extending along the heating resistor and through which the gaseous medium can flow from the conduit inlet side of the resistive heating element to the conduit On the outlet side, the heating resistor comprises a conductive ceramic material for conducting the current. The invention also relates to a heating device for a flowing gaseous medium which is equipped with a resistance heating element of this type. Background technique [0002] Herein, the heating device specifically refers to a heating device, module or system in which a resistance heating element is arranged in a heating tube. For example, air o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24H3/00F24H3/04H05B3/46
CPCF24H3/0423H05B2203/018F24H3/0405H05B3/16H05B3/141H05B2203/02H05B3/42
Inventor U·古布勒R·泽布申M·普雷斯塔特U·沃格特
Owner LEISTER TECHNOLOGIES
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