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Evaporator for household refrigerator

A technology for refrigeration devices and evaporators, which is applied in household refrigeration devices, evaporators/condensers, refrigerators, etc., and can solve problems such as costly processing technology

Inactive Publication Date: 2004-06-09
BSH BOSCH & SIEMENS HAUSGERAETE GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, the accurate application of the adhesive tape suitable for large quantities is only possible with great effort in processing technology.

Method used

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  • Evaporator for household refrigerator
  • Evaporator for household refrigerator
  • Evaporator for household refrigerator

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0023]FIG. 1 shows a plate-shaped evaporator 10, for example used as a so-called cold-wall evaporator, which has a base plate 11 made of a heat-conducting material, such as aluminum or also corrosion-resistant steel sheet or the like. The base plate 11 has a holding surface 12 on one side of its large area, on which a zigzag-shaped pipeline used as a refrigerant medium pipeline 13 is placed in heat conduction contact. The material is a thermally conductive material such as aluminum or corrosion-resistant steel or similar. In order to form the best heat conduction from the refrigerant medium pipeline 13 to the base plate 11, the cross section of the refrigerant medium pipeline 13 with a circular cross section is changed in shape, so that the refrigerant medium pipeline basically It has a D-shaped cross-section, and its supporting surface 14 is basically flat. The supporting surface 14 of the refrigerant medium pipeline 13 is in thermal contact with the base plate 11 (see FIG. 2...

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PUM

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Abstract

This invention relates to an evaporator household refrigerating appliances such as a refrigerator and refrigerator-freezer combis or the like, with a pipe-like, refrigerant line (13) which is embodied at least approximately in a heat conducting manner and is at least approximately shaped like a zig-zag and substantially in contact in a heat-conductive manner with a more or less heat-conducting carrier tray (11). It also comprises an aluminum carrier tray to which a zig-zag shaped aluminum pipe is subsequently brought into thermal by means of welding or sticking using an aluminum adhesive tape. The disadvantage of securing the pipe in this manner is the relatively high amount of labor involved and the unreliable thermal contact between the pipe and the carrier tray. According to the invention, the pipe is fixed to the carrier tray by foaming using polyurethane foam.

Description

technical field [0001] The present invention relates to a heat exchanger, in particular to an evaporator for domestic refrigeration devices, such as refrigerators, combined cooling and freezing devices, etc., which has a tubular refrigerant medium pipeline at least approximately designed for heat conduction, Such lines are at least approximately meander-shaped and fastened to a base plate of at least approximately thermally conductive design, at least largely in thermally conductive contact. Background technique [0002] It is known for evaporators used in domestic refrigerators to apply seam welding or section welding (Z-Bond-Verfahren) to the refrigerating-medium channel for conducting the refrigerating medium in a chip-free forming method. Embedded in an aluminum substrate. Refrigerators also use such evaporators, which consist of an aluminum base plate and separate aluminum tubes prefabricated in a meandering shape, which are fastened to the base plate in thermally cond...

Claims

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Application Information

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IPC IPC(8): F25B39/02
CPCF25B39/02F28F2275/025F25B2339/023F28D1/0478F28F1/22
Inventor D·切斯利克A·马德
Owner BSH BOSCH & SIEMENS HAUSGERAETE GMBH
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