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Piston supporting structure for linear compressor

A technology of linear compressors and support structures, applied in piston pumps, mechanical equipment, machines/engines, etc.

Inactive Publication Date: 2006-11-15
LG ELECTRONICS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, there arises a problem that wear occurs due to friction between the outer peripheral side of the piston reciprocating in the compression space (P) of the cylinder 4 and the inner peripheral side of the cylinder 4

Method used

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  • Piston supporting structure for linear compressor
  • Piston supporting structure for linear compressor
  • Piston supporting structure for linear compressor

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0032] Preferred embodiments of the present invention will be described below with reference to the accompanying drawings.

[0033] In the attached picture, with figure 1 and 2 Like symbols indicate like components. Therefore, descriptions of these components are omitted.

[0034] First, if Image 6 As shown, the structure according to the present invention includes: the piston 8, which is driven by the motor to linearly reciprocate in the axial direction of the cylinder 4 of the compressor, and has first and second spring fixing members 21 and 21', wherein the first and the second springs 50 and 60 are fixed to the first and second spring holders 21 and 21'; The predetermined first interval between them faces the first spring holder 21 engaged on the piston 8 for supporting the first spring 50; 22 ′ and the second spring fixing part 21 ′, the predetermined second interval faces the second spring fixing part 21 ′ engaged on the piston 8 for supporting the second spring 60...

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Abstract

The present invention relates to a piston supporting structure of a linear compressor, comprising: a piston reciprocating in an axial direction driven by a motor; a first spring, one end of which is fixed to one side of the piston; and a second spring, One end of it is fixed to the other side of the piston. In the present invention, the first and second springs elastically supporting the reciprocating piston under the driving force of the motor are both contracted and relaxed in the axial direction without displacement in the radial direction, thereby elastically supporting the reciprocating movement of the piston, so that the piston can Axial linear reciprocating motion in the compression space of the cylinder. Therefore, no rotational moment is applied to the piston, preventing wear of the piston and cylinder and damage to components.

Description

technical field [0001] The present invention relates to a piston supporting structure of a linear compressor, in particular to such a piston supporting structure of a linear compressor, wherein the spring elastically supporting the piston, due to the reciprocating movement of the piston driven by the motor, only shrinks and relaxes in the axial direction, but not in the radial direction. to the displacement. Background technique [0002] Generally, a compressor constituting a refrigeration cycle device compresses refrigerant introduced from an evaporator and discharges it to a high temperature and high pressure state. [0003] A linear compressor, which is an example of the above-mentioned compressor, introduces and compresses refrigerant gas by transmitting a driving force of a motor to a piston reciprocating in a cylinder. At this point, the piston is elastically supported by springs on its sides and stores its kinetic energy. [0004] like figure 1 As shown, the above-...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04B19/22F04B35/04
CPCF04B35/045
Inventor 宋桂永
Owner LG ELECTRONICS INC