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High temperature heat exchanger

An exchanger and warming technology, applied in heat exchange equipment, indirect heat exchangers, fluid heaters, etc.

Inactive Publication Date: 2015-09-30
ROBERT BOSCH GMBH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the case of very high heating power, this can lead to uncontrolled evaporation of the liquid that washes the heating rods around
For this reason, this can lead to undesired acoustic co-phenomena

Method used

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  • High temperature heat exchanger

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Embodiment Construction

[0020] A high-temperature heat exchanger constructed according to the invention is schematically shown in the single drawing.

[0021] The high temperature heat exchanger 1 comprises a solid body 3 in which a heating element 5 is housed. The solid 3 surrounds the heating element 5 such that heat can be transferred directly from the heating element 5 to the solid 3 . The solid body 3 here consists of a high temperature resistant material with good thermal conductivity. Ceramics, in particular ceramics that conduct heat very well, for example ceramics based on silicon carbide, are particularly suitable as materials for solids. Besides ceramics, for example high-melting metals or metal alloys are also suitable as materials for solids. Here, a high melting point means a melting temperature greater than 750°C. Besides silicon carbide, for example aluminum nitride is suitable as ceramic.

[0022] The heating element 5 surrounded by the solid body 3 is, for example, an electric h...

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PUM

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Abstract

The invention relates to a high-temperature heat exchanger (1) comprising a solid body (3) made of a good heat-conducting, high-temperature resistant material, with at least one heating element (5) arranged therein. Channels (9), through which a fluid can flow, are formed in the solid body (3) and the solid body (3) is thermally insulated. The invention also relates to the use of the high temperature heat exchanger (1).

Description

technical field [0001] The invention relates to a high-temperature heat exchanger and the application of the high-temperature heat exchanger. Background technique [0002] High temperature heat exchangers are used, for example, to extract heat from electric heating rods. Such electric heating rods are used, for example, in hybrid or electric vehicles in order to absorb excess electrical energy which occurs in generators, for example during waste heat utilization. In this case, excess electrical energy occurs if the electrical energy store is fully loaded or if, for example, the temperature of the battery is too low. The use of such electric heating rods is described, for example, in DE-A 10 2007 032 726 . It is also disclosed here that a plurality of heating rods can be used, wherein, for example, different components can be heated with a plurality of heating rods. [0003] When using lithium-ion batteries at very low temperatures, the upper voltage limit of the battery i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24H7/04B60H1/00B60H1/22F24H9/20H10N10/13
CPCF24H7/0416F24H9/2078F24H7/04F28D20/0056Y02E60/14H10N10/13F28F13/00F28F21/04
Inventor S·洛伊特纳
Owner ROBERT BOSCH GMBH