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Air conditioner

A technology for air conditioning and compressors, applied in air conditioning systems, space heating and ventilation, space heating and ventilation details, etc., can solve the problems of refrigeration cycle efficiency degradation, lack of durability, etc. The effect of stress concentration and vibration transmission reduction

Active Publication Date: 2018-04-27
LG ELECTRONICS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, flexible pipes do not have sufficient durability due to local cohesiveness
In addition, a pressure drop occurs in the refrigerant flowing through the flexible pipe, and thus degrades the efficiency of the refrigeration cycle

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0101] The stainless steels of Examples 1 and 2 have the same composition as described in the section [1. Composition of stainless steel]. And, the average diameter of the stainless steels of Example 1 and Example 2 corresponds to the grain number of 5.0 to 7.0 which will be described in the section [3. Average diameter of stainless steel]. However, although the stainless steel of Example 1 has an austenite matrix structure based on 99% or more of the grain size area of ​​the stainless steel and a ferrite matrix structure based on 1% or less of the grain size area of ​​the stainless steel, Example 1 2 stainless steel has only austenitic matrix structure.

[0102] The results obtained by comparing the stainless steels of Example 1 and Example 2 are shown in Table 1 below.

[0103] Table 1

[0104]

[0105]

[0106] It can be seen from Table 1 that compared with the stainless steel of Example 1, the stainless steel of Example 2 has the characteristics of low strength and...

Embodiment 3

[0118] The stainless steel of Example 3 has an average diameter corresponding to ASTM grain number 6.5 (approximately 39 μm to 40 μm). It is foreseeable that the microstructural photographs of the stainless steel according to Example 3 will be substantially the same or similar to Figure 2A or Figure 2B Microstructural photographs of the stainless steel of Example 1 or Example 2 shown in (for example, when the ASTM grain number of Example 1 or Example 2 is 6.5).

[0119] Figure 7 is a stress-deformation ratio graph obtained by evaluating the properties of the stainless steel according to Example 3. The horizontal axis of this figure represents the displacement of stainless steel (mm), and the vertical axis of this figure represents the stress applied to stainless steel (N / mm 2 ).

[0120] As can be seen from the figure, the yield strength of the stainless steel was measured to be about 156.2 MPa, and the tensile strength of the stainless steel was measured to be about 47...

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Abstract

An air conditioner includes a stainless steel pipe having one end connected to a compressor and the other end connected to a refrigeration cycle component to form a single pipe between the compressorand the refrigeration cycle component, and the stainless steel pipe partially has a corrugated part to attenuate vibration transferred from the compressor to the refrigeration cycle component, whereinthe corrugated part is integrally formed with the other portion of the stainless steel pipe as at least a portion of the stainless steel pipe is processed.

Description

technical field [0001] The present invention relates to an air conditioner including a tube configured to attenuate vibration generated in a refrigeration cycle. Background technique [0002] An air conditioner refers to a device that cools or heats an indoor space by using a refrigeration cycle. The refrigeration cycle includes a compressor, a condenser, an expansion device, and an evaporator, and the compressor, condenser, expansion device, and evaporator are sequentially connected by a plurality of pipes. The refrigerant circulates through the tubes in the compressor, condenser, expansion device and evaporator. [0003] In the refrigeration cycle, a flow path is formed in the condenser and the evaporator. The refrigerant exchanges heat with the surrounding environment while being condensed or evaporated by flowing through a flow path formed in the condenser and the evaporator, and the condenser and the evaporator function as a heat exchanger. The flow path is used to a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F5/00F24F13/30C22C38/58C22C38/44C22C38/42C22C38/02
CPCC22C38/02C22C38/34C22C38/42C22C38/44C22C38/58F24F5/001F24F13/30F25B41/40F25B1/00F25B2500/13F16L9/06F25B1/08F16L9/14F16L11/00F25B2500/06
Inventor 洪硕杓
Owner LG ELECTRONICS INC
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