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
CN104251194BActive Publication Date: 2016-12-07LG ELECTRONICS INC
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Patent Information

Authority / Receiving Office
CN ยท China
Patent Type
Patents(China)
Current Assignee / Owner
LG ELECTRONICS INC
Publication Date
2016-12-07

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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.
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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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