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Reversed operation preventing apparatus for vortex type compressor

A scroll compressor, moving scroll technology

Inactive Publication Date: 2004-11-24
LG ELECTRONICS (TIANJIN) APPLIANCES CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At this time the cost increases
And in normal operation, the rotor part of the clutch also continues to rotate with the shaft, so power is lost and efficiency is reduced
In addition, there is a problem that noise is generated due to unnecessary operation.

Method used

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  • Reversed operation preventing apparatus for vortex type compressor
  • Reversed operation preventing apparatus for vortex type compressor
  • Reversed operation preventing apparatus for vortex type compressor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0024] In order to further understand the content, characteristics and effects of the present invention, the following examples are given, and detailed descriptions are as follows in conjunction with the accompanying drawings:

[0025] Figure 4 and Figure 5 It is a cross-sectional view of the structure and function of the anti-reverse operation device of the scroll compressor according to the present invention. like figure 1 , Figure 4 and Figure 5 As shown, in the crankshaft (20) that constitutes the variable radius structure of the scroll compressor, the sliding bush (6) inserted between the eccentric portion (21) of the crankshaft (20) and the center portion of the movable scroll (8) ) compared with the operating angle (a) during forward rotation formed by the running surface (6d, 21d) during forward rotation and the standard line connecting the center of the crankshaft (20) and the center of the movable scroll (8), the reverse rotation The running angle (b) formed...

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PUM

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Abstract

The present invention is inverse rotation preventing structure for vortex type compressor. In the vortex type compressor with radius variable crankshaft and sliding lining inserted between the eccentric part of the crankshaft and the moving vortex disc, the inverse rotation surface is raised to over certain value so as to increase the friction between the moving vortex disc and the static vortex disc to prevent the compressor from rotation in inverse direction. The present invention can prevent the inverse rotation of the compressor caused by error connection of power supply and thus caused damage.

Description

technical field [0001] The invention belongs to a scroll compressor, in particular to a scroll compressor with a device for preventing reverse operation. Background technique [0002] figure 1 It is a longitudinal sectional view of a conventional scroll compressor. figure 2 and image 3 It is an explanatory diagram of the structure and function of the reverse prevention circuit. Scroll compressors such as figure 1 As shown, it is composed of an airtight container (1) constituting the body and sealing the inside, an upper bracket (2) connected to the upper side of the airtight container (1), and a lower bracket (3) connected to the lower side of the airtight container (1) ), a stator (4) and a rotor (5) arranged between the upper support (2) and the lower support (3) constitute. [0003] Moreover, there is a crankshaft (20) that rotates with the rotor (5) in the middle of the rotor (5), and the fixed scroll (7) is fixed on the upper bracket 2, and the bottom of the fixe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04C18/02
Inventor WUSHE GUAN
Owner LG ELECTRONICS (TIANJIN) APPLIANCES CO LTD