scroll compressor

A scroll compressor and scroll technology, applied in the direction of rotary piston machines, rotary piston pumps, mechanical equipment, etc., can solve problems such as poor lubrication, extreme decrease in viscosity of lubricating oil, stable support of rotating shaft bearing damage, etc. , to achieve the effect of low friction characteristics

Active Publication Date: 2017-02-15
OILES CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Especially in central air conditioners, due to the increase in the amount of refrigerant gas sealed in the air conditioner, a large amount of refrigerant gas dissolves into the lubricating oil used to lubricate the sliding surface between the rotating shaft and the shaft support portion, thus making the viscosity of the lubricating oil Extreme drop, resulting in momentary poor lubrication due to formation of refrigerant bubbles in the lubrication path and in the bearing section, and may cause damage to the bearings that smoothly support the rotating shaft

Method used

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Embodiment Construction

[0028] A more detailed description of the manner of carrying out the present invention will be given below with reference to preferred embodiments shown in the accompanying drawings. It should be noted that the present invention is not limited to this embodiment.

[0029] exist figure 1Among them, a scroll compressor 1 has a tubular closed container 2 with both ends closed, and in the closed container 2, a scroll compression mechanism part 3 is arranged in the upper part inside the closed container 2, and a motor 4 is arranged in the lower part thereof . These two components are interlocked and coupled to each other by means of the output rotary shaft 5 . The motor 4 is composed of a rotor 4 a and a stator 4 b, and the rotor 4 a is fixed to the output rotary shaft 5 and the stator 4 b is fixed to the closed container 2 . The scroll compression mechanism portion 3 has a fixed scroll 6 and an orbiting scroll 7 meshing with each other. The fixed scroll 6 has an end plate 6a a...

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Abstract

An oil-impregnated cylindrically wound bushing (31) is obtained by winding, into a cylindrical shape, a multi-layered sintered sliding sheet (30) comprising a metallic back plate (28) and a porous copper-based metallic sintered layer (29) integrally formed in an adhering manner on one surface of the back plate (28); the porous copper-based metallic sintered layer (29) being disposed on the inner side. The resulting cylindrically wound bushing is subjected to an oil-impregnating treatment and impregnated with refrigerant oil.

Description

technical field [0001] The present invention relates to a scroll compressor installed in an air conditioner refrigerator or the like. Background technique [0002] In recent years, in refrigeration and air-conditioning compressors, high reliability is strongly required due to the expansion of the operating range including rotation speed, pressure, etc., and the advent of central air conditioners. Especially in central air conditioners, due to the increase in the amount of refrigerant gas sealed in the air conditioner, a large amount of refrigerant gas dissolves into the lubricating oil used to lubricate the sliding surface between the rotating shaft and the shaft support portion, thus making the viscosity of the lubricating oil Extreme drop, resulting in momentary poor lubrication due to formation of refrigerant bubbles in the lubrication path and bearing parts, and may cause damage to the bearings that smoothly support the rotating shaft. [0003] As bearings for supportin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04C18/02F04C29/00F16C17/02F16C33/12F16C33/16
CPCF04C18/0215F04C23/008F04C29/0057F04C2230/22F04C2230/91F04C2240/56F05C2201/0475F16C17/02F16C33/104F16C33/1095F16C33/125F16C33/128F16C2202/52F16C2360/42
Inventor 关根敏彦近藤武士岩桥正一郎
Owner OILES CORP
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