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Heat exchanger and condensing type laundry dryer having the same

A technology of heat exchangers and heat exchange units, which is applied to household clothes dryers, types of heat exchangers, heat exchange equipment, etc., and can solve problems such as difficulty in ensuring uniform distribution of external airflow and performance deterioration of clothes dryers

Inactive Publication Date: 2008-08-27
LG ELECTRONICS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, it is difficult to ensure an even distribution of external airflow
As a result, the performance of the dryer may deteriorate

Method used

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  • Heat exchanger and condensing type laundry dryer having the same
  • Heat exchanger and condensing type laundry dryer having the same
  • Heat exchanger and condensing type laundry dryer having the same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0026] see Figure 5 , the heat exchanger 100 of the first embodiment includes a heat exchange unit 110 in which a plurality of tubes 111 and a plurality of fin structures 112 are alternately stacked. The front cover 130 covers the front end of the heat exchange unit 110 , and the rear cover 140 covers the rear end of the heat exchange unit 110 . The leak prevention walls 150 are installed at lateral edges of the heat exchanging unit 110 .

[0027] Both ends of the tube 111 may be opened, and the tube 111 may have a tube structure with a rectangular cross section. Air circulates in the clothes dryer through delivery pipes or ducts (not shown), which communicate with both ends of the pipe 111, respectively.

[0028] The heat sink structure 112 can be formed with an air channel, and the air channel is made by repeatedly bending a metal plate into a zigzag. For example, the heat sink structure 112 can be bent into a zigzag shape to form a cuboid structure with a fixed thicknes...

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PUM

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Abstract

A condensing type dryer uses a heat exchanger in which condensed water can be smoothly discharged through a water-discharging slot formed in a rear end portion of a rear cover of the heat exchanger. The water-discharging slot prevents an air flowing resistance which can be caused by condensed water pooling at the rear end portion of the rear cover. Also, leakage-preventing walls enhance the heat exchanging function by ensuring a uniform flow of cold external air through the heat changer. The leakage-preventing walls prevent external air from leaking around the lateral edges of the heat exchanger.

Description

technical field [0001] The present invention relates to a condensation type clothes dryer or a heat exchanger for a condensation type clothes dryer. Background technique [0002] Clothes drying equipment, such as a clothes dryer or a washing machine with a clothes drying function, generally dries clothes by blowing hot air generated by a heater into a drum. Clothes dryers may be classified into exhaust (or vent) type clothes dryers and condensation type clothes dryers according to a method of handling humid air when drying clothes. In exhaust or vented dryers, the humid air from the drum is exhausted to the outside of the dryer. In the condensation type clothes dryer, the humid air exhausted from the drum is condensed to remove moisture therefrom, and the dry air is directed back to the drum again for recirculation. [0003] A condensation-type clothes dryer typically includes a drum for containing clothes, a filter for filtering lint and impurities, and a heat exchange un...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F28D1/02F28F17/00
CPCF28D9/0062D06F58/24D06F58/20
Inventor 宋成镐吴定根李商益严允燮郑汉容裴祥训
Owner LG ELECTRONICS INC
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