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linear compressor

A technology of linear compressors and linear motors, applied in mechanical equipment, electromechanical devices, and control of mechanical energy, can solve the problems of rising and insufficient manufacturing costs of linear compressors, reduce manufacturing costs, reduce cogging forces, and prevent The effect of external leakage

Active Publication Date: 2016-12-07
LG ELECTRONICS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At this time, the amount of magnetic flux generated in one magnet is not sufficient, and there is a problem that the amount (length or thickness) of the above-mentioned permanent magnet needs to be increased to supplement it.
[0012] In addition, the above-mentioned permanent magnets are formed of expensive rare earth magnets, so there is a problem that the more the amount of permanent magnets is required for the above-mentioned reason, the more the manufacturing cost of the above-mentioned linear compressor will increase rapidly.

Method used

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Embodiment Construction

[0049] Hereinafter, specific embodiments of the present invention will be described with reference to the drawings. However, the idea of ​​the present invention is not limited to the proposed embodiments, and those skilled in the art who understand the idea of ​​the present invention can easily propose other embodiments within the scope of the same idea.

[0050] figure 1 It is a cross-sectional view showing the internal structure of the linear compressor according to the embodiment of the present invention.

[0051] Reference figure 1 , The linear compressor 10 of the embodiment of the present invention includes: a cylinder 120, which is provided inside the housing 100; a piston 130, which reciprocates linearly inside the cylinder 120; and a motor assembly 200 as a drive to the piston 130 Powerful linear motor. The above-mentioned housing 100 may be formed by combining an upper housing and a lower housing.

[0052] The housing 100 includes a suction part 101 into which the refrige...

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Abstract

The present invention relates to linear compressors. A linear compressor according to an embodiment of the present invention includes: a cylinder forming a refrigerant compression space, a piston capable of reciprocating axially inside the cylinder, and a linear motor that supplies thrust to the piston; the linear motor includes : The outer stator includes a first stator magnetic pole, a second stator magnetic pole and an opening, the opening is formed between the first stator magnetic pole and the second stator magnetic pole, and the inner stator is separated from the outer stator The configuration, and the permanent magnets, are arranged in a manner capable of moving in the gap between the outer stator and the inner stator, and include three magnetic poles; Between two magnetic poles at both ends, it is formed in such a way that it is longer than the magnetic poles at both ends.

Description

Technical field [0001] The invention relates to a linear compressor. Background technique [0002] Generally speaking, a compressor is widely used as a mechanical device that receives power from a power generating device such as a motor or a turbine, and compresses air, refrigerant, or other working gases to increase the pressure. For household appliances such as refrigerators and air conditioners or the entire industry. [0003] Such compressors can be roughly divided into reciprocating compressors, rotary compressors, and scroll compressors. The above-mentioned reciprocating compressors use pistons and cylinders. A compression space for sucking and discharging working gas is formed between ), so that the piston reciprocates linearly inside the cylinder to compress the refrigerant. The above-mentioned rotary compressor is between the eccentrically rotating roller and the cylinder. A compression space for sucking and discharging working gas is formed. The roller rotates eccentric...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04B35/04H02K16/00H02K1/34
CPCF04B35/045H02K33/16H02K7/14H02K41/031F04B39/0005F04B39/12F05B2210/14F05B2280/1073F05B2280/1021F04D25/06
Inventor 郑相燮
Owner LG ELECTRONICS INC
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