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Rotary compressor

A rotary compressor and space compression technology, applied in the field of rotary compressors, can solve problems such as unstable and twisted blade slots, decreased compression function, and unstable blade movements

Active Publication Date: 2014-01-29
LG ELECTRONICS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the coupling bolt is coupled to one of the two cylinders, the cylinder may be deformed during coupling of the coupling bolt, thereby causing the vane inserted into the cylinder to reciprocate inside the cylinder to act unstable, resulting in a decrease in the compression function
That is, when the coupling bolt is coupled to one of the cylinders through the support member and the intermediate plate, the cylinder is deformed by the clamping force generated by the coupling bolt while coupling, thereby causing the blade groove inserted into the blade to be unstable. distortion
Therefore, the friction force between the vane and the vane groove increases, or the vane bends to reduce the sealing force of the rotating piston, thereby degrading the compression function of the compressor.

Method used

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Embodiment Construction

[0025] Details of a rotary compressor according to an exemplary embodiment will now be described with reference to the accompanying drawings. For the sake of brief description with reference to the drawings, the same or equivalent components are given the same reference numerals, and their description will not be repeated.

[0026] figure 1 is a schematic diagram showing a refrigeration cycle with a rotary compressor, figure 2 is showing figure 1 A longitudinal sectional view of the interior of a rotary compressor, image 3 is showing figure 2 The front view of the coupled state of the compression unit, while Figure 4 is showing figure 2 The longitudinal sectional view of the connected state of the compression unit;

[0027] Such as figure 1 As shown, a rotary compressor 1 according to an exemplary embodiment may have a suction side while having a discharge side; wherein the suction side is connected to the outlet side of the evaporator 4; the discharge side is conn...

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Abstract

A rotary compressor is provided. A suction hole is formed through a middle plate of the compressor to distribute refrigerant into both upper and lower cylinders. Coupling bolts having an appropriate length couple the cylinders to the middle plate. The length of the coupling bolts may be defined such that deformation of vane slots of the cylinders due to coupling of the cylinders may be minimized or eliminated, and friction loss and leakage loss between the vane and the vane slot may be reduced, thus improving compressor function.

Description

technical field [0001] The present invention relates to a rotary compressor capable of supplying refrigerant to a plurality of compression spaces via a single suction passage. Background technique [0002] Generally, a refrigerant compressor is used in a refrigerator or an air conditioner utilizing a vapor compression refrigeration cycle (hereinafter referred to as "refrigeration cycle"), and utilizes a constant speed type compressor driven at a substantially constant speed and an inverter type compressor whose rotational speed is controlled. Compressor (inverter type compressor). [0003] A refrigerant compressor in which a drive motor and a compressor operated by the drive motor are installed in the inner space of the hermetic shell is called a hermetic compressor, and a refrigerant compressor in which a drive motor is separately installed outside the shell is called a hermetic compressor. Open compressor. Hermetic compressors are used in most domestic or commercial refr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04C23/00F04C29/00
CPCF04C18/3564F04C23/008F04C11/001F04C2240/805F04C29/00F04C18/00
Inventor 龙玟徹李允熙崔允诚
Owner LG ELECTRONICS INC