a compressor

A compressor and motor rotor technology, applied in the field of compressors, can solve the problems of reduced motor efficiency and high overall cost, and achieve the effects of reduced oil discharge rate, low overall cost, and convenient operation

Active Publication Date: 2017-12-01
ZHUHAI GREE REFRIGERATION TECH CENT OF ENERGY SAVING & ENVIRONMENTAL PROTECTION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] Therefore, the technical problem to be solved by the present invention is to overcome the defects of reduced motor efficiency and / or higher overall cost of the compressor in the prior art while solving the problem of preventing shaft displacement, thereby providing a compressor

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Embodiment Construction

[0038] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the protection scope of the present invention.

[0039] Such as Figure 4 As shown, the present invention provides a compressor (preferably a rotor compressor) that can prevent shaft displacement, including a crankshaft 7 and a motor rotor assembly, and it also includes a top) impeller 4 or blade (not shown in the figure), said impeller 4 or blade can be driven by the rotation of crankshaft 7 and rotate together with it, and impeller 4 or blade can produce on crankshaft 7 and crankshaft and The axial force in the opposite direction of the gas force on the rotor assembly of the motor.

[0040] In a preferred embodiment of the present invention, the axial force is in the direction of the gas force (because the...

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Abstract

The invention provides a compressor, comprising a crankshaft (7), a motor rotor assembly and an impeller (4) or blade arranged on the upper part of the crankshaft (7). The impeller (4) or blade can rotate under the driving of the rotation of the crankshaft (7) and can produce an axial force on the crankshaft (7) during rotation, wherein the direction of the axial force is opposite to the direction of a gas force on the crankshaft and the motor rotor assembly. According to the compressor provided by the invention, displacement of the crankshaft and the motor rotor assembly can be effectively suppressed; mechanical loss of the compressor and loss of exhausting channels can be reduced; an oil discharging rate can be decreased; and reliability and service life of the compressor can be improved.

Description

technical field [0001] The invention belongs to the technical field of compressors, and in particular relates to a compressor. Background technique [0002] In the actual working process of the rolling rotor compressors currently on the market, due to the intermittent exhaust of the exhaust valve (generally once per cycle), there will be a fluctuating pressure difference between the upper and lower chambers of the motor rotor. The difference acts on the crankshaft and the motor rotor assembly, forming a fluctuating gas force, which causes the shaft channeling phenomenon of the crankshaft and the motor rotor assembly. If the crankshaft and rotor assembly have shaft shifting, it will easily cause the thrust surface of the upper and lower flanges of the pump body to wear, significantly increase the noise and energy consumption of the compressor, and greatly reduce the service life of the compressor. [0003] At present, there are two main solutions to this problem in the marke...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04C29/00
Inventor 耿继青黄伟才殷伟豪叶俊奇
Owner ZHUHAI GREE REFRIGERATION TECH CENT OF ENERGY SAVING & ENVIRONMENTAL PROTECTION
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