Reciprocating compressor and manufacturing method thereof

Inactive Publication Date: 2006-02-02
LG ELECTRONICS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Benefits of technology

[0021] Therefore, an object of the present invention is to provide a reciprocating compressor which can be easily manufactured by simplifying a manufacturing process o

Problems solved by technology

However, it is difficult to stack the thin stator cores 32a, 32b and 32c in the radial direction, which results in the high p

Method used

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  • Reciprocating compressor and manufacturing method thereof
  • Reciprocating compressor and manufacturing method thereof
  • Reciprocating compressor and manufacturing method thereof

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Example

[0040] Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings.

[0041] A stator structure of a reciprocating motor in accordance with the present invention will now be explained in detail with reference to the accompanying drawings. A casing, a frame unit and a resonance spring unit identical to the conventional ones will not be described.

[0042]FIG. 4 is a perspective diagram illustrating disassembly of an inner stator and a cylinder of a reciprocating compressor in accordance with a first embodiment of the present invention, FIG. 5 is a cross-sectional diagram illustrating the inner stator and the cylinder of the reciprocating compressor in accordance with the first embodiment of the present invention, and FIG. 6 is a cross-sectional diagram illustrating an inner stator and a cylinder of a reciprocating compressor in accordance with a second embodiment of the present invention.

[0043...

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Abstract

The present invention discloses a reciprocating compressor and a manufacturing method thereof. The reciprocating compressor includes a frame installed in a casing, an outer stator having a winding coil and being fixed to the frame, an inner stator disposed in the outer stator with a predetermined gap, and sintered by a powder metallurgy process using metal powder, a rotor having a permanent magnet between the outer stator and the inner stator, a cylinder disposed inside the inner stator of the reciprocating motor for forming a compression chamber, and sintered by a powder metallurgy process using metal powder, a piston slidably inserted into the inner circumference of the cylinder, for sucking and compressing gas by linear reciprocation, and a plurality of resonance springs for elastically supporting the connection part of the piston and the rotor, and inducing resonance of the piston. Accordingly, the cylinder is not deformed by the inner stator, and thus abrasion of the piston and the cylinder by deformation of the cylinder is prevented in advance. Moreover, the reciprocating compressor is easily manufactured by considerably simplifying the manufacturing process.

Description

BACKGROUND OF THE INVENTION [0001] 1. Field of the Invention [0002] The present invention relates to a reciprocating compressor, and more particularly to, a reciprocating compressor which can be easily manufactured by a simplified manufacturing process, and which can prevent abrasion of a piston and a cylinder by deformation of the cylinder, and a manufacturing method thereof. [0003] 2. Description of the Background Art [0004] In general, a compressor, that is a major component for refrigeration and air conditioning of an air conditioner, a refrigerator, etc., has been widely used in various industrial fields. The compressors are classified into rotary compressors, scroll compressors and reciprocating compressors according to a compression mechanism for compressing refrigerants. [0005] In the reciprocating compressor, a piston linearly reciprocates in a cylinder to suck, compress and discharge gas. Normally, when only the linear motion is necessary, the reciprocating compressor perf...

Claims

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Application Information

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IPC IPC(8): F04B35/04F04B17/04
CPCF04B35/045B22F3/10B22F5/106B22F2203/11B22F2301/00F04B39/12F05B2230/22H02K1/12H02K1/34H02K3/22H02K33/16
Inventor KIM, DONG-HAN
Owner LG ELECTRONICS INC
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