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Liquid heating device for an automobile

A heating device and liquid technology, applied in fluid heaters, water heaters, vehicle cleaning, etc., can solve expensive and bulky problems

Inactive Publication Date: 2011-09-28
VALEO SYST DESSUYAGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This solution is thus bulky and expensive as various electronic components are required

Method used

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  • Liquid heating device for an automobile
  • Liquid heating device for an automobile
  • Liquid heating device for an automobile

Examples

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Embodiment Construction

[0031] refer to figure 1 , 2a and 2b, which illustrate a preferred embodiment without limiting the invention, the liquid heating device comprises, for example, two substantially identical parts 1a, 1b formed of a heat-conducting material, each of which is integrally formed with the part so that the liquid can flow at the inlet Flow between 11a, 11b and outlets 12a, 12b. Various materials can be used to manufacture the two parts, such as aluminum or high thermal conductivity ceramics. Materials with high thermal and electrical conductivity will preferably be used for reasons that will appear in the next part of this description.

[0032] The device also comprises heating means in thermal contact with each of the two parts 1a, 1b for indirect heating of the liquid flowing through the two flow paths 10a, 10b.

[0033] To facilitate heat exchange between the heat conducting material and the liquid constituting each of the two parts 1a and 1b, each flow path 10a, 10b preferably ...

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PUM

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Abstract

The invention relates to a liquid heating device for an automobile that comprises at least one first part (1a) made of a heat-conducting material, a liquid flow path (10a) integrally formed in said first part (1a) for enabling a flow of liquid between an inlet and an outlet (12a), and a heating means (14) thermally coupled with said part (1a) and capable of heating said part (1a) so that the liquid flowing through said flow path can absorb the heat of said part (1a). According to the invention, the first part includes a planar bottom wall (15a) extending in a plane parallel to the flow path (10a), and the electric heating means includes a plurality of flat stones (14) having a positive temperature coefficient and arranged as a matrix in the same plane in parallel and in contact with the bottom wall (15a) as well as two electrodes in the form of two planar surfaces each arranged in parallel and in contact with the corresponding surfaces of the flat stones of the matrix.

Description

technical field [0001] The invention relates to a device for heating a quantity of liquid for use in automobiles. Background technique [0002] In the following, the object of interest is primarily, but not exclusively, a device for heating the washer fluid, which can be connected on the one hand to the tank containing said washer fluid and on the other hand to the At least one nozzle, the surface being eg a windshield and / or a rear window. In this case, the washing of the window surfaces is obtained through the simultaneous action of the system enabling the liquid to reach these surfaces and the wiping system using one or two wipers provided in the vehicle. [0003] However, the invention can also be used for washing other surfaces, such as the exterior of lamps or headlamps, or for heating any liquid. [0004] Improved washing of the window surface can be intentionally obtained by heating the washing liquid before being sprayed onto the surface to be cleaned using one or...

Claims

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Application Information

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IPC IPC(8): F24H1/12B60S1/48
CPCF24H1/121B60S1/487F24H9/1827F24H1/009
Inventor 马塞尔.特里布伊特
Owner VALEO SYST DESSUYAGE
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