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Gear type compressor

A gear type and compressor technology, applied in mechanical equipment, machine/engine, liquid fuel engine, etc., can solve problems such as bearing damage, achieve the effects of reducing vibration and noise, small compression ratio, and reducing the number of parts

Inactive Publication Date: 2008-11-12
LG ELECTRONICS (TIANJIN) APPLIANCES CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] In addition, when the pressure changes sharply, it is easy to cause bearing damage
In short, the above-mentioned rotary compressors and reciprocating compressors each have different performances and advantages and disadvantages

Method used

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Embodiment Construction

[0049] Below, refer to Figure 3 to Figure 6 , the embodiments provided by the present invention will be described in detail.

[0050] image 3 It is a structural schematic diagram of the gear compressor of the present invention, and Fig. 4A is image 3 The I-I cross-sectional view, Figure 4B is image 3 II-II cross-sectional view, Figure 5 is the front view of the external gear in Figure 4, Figure 6It constitutes a block diagram for the compressor post-refrigeration system adopting the present invention.

[0051] The gear type compressor in the present invention comprises a casing 1, a motor 2, a gear type compression part 3 and a gear type expansion part 4. The casing 1 has a certain inner space, and the motor 2 is arranged inside the casing 1 . The gear-type compression part 3 uses the power provided by the motor 2 to compress the refrigerant discharged from the evaporator 6 . The refrigerant discharged from the compression part 3 flows through the condenser 5 and ...

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Abstract

This invention provides a gear-type contractor, which comprises contractor body, motor, gear-type compressing part used for compressing coolant flow from evaporator by the driving of motor, and gear-type swelling part used for swelling the reflow coolant after flowing contractor and chiller; on the outer gear periphery of the compressing and swelling part there are at least one straight oil-bath, and the length direction is vertical to the periphery, and is parallel to the rotary shaft of the motor. Said invention can increase the coefficient of performance of refrigerating system, and uses carbon dioxide to replace traditional coolant, which is benefit for environmental protection; besides, such structure makes the lubricating oil spreading effectively on the contacting surface between cylinders and outer gears of the compressing part and swelling part.

Description

technical field [0001] The present invention relates to a gear-type compressor, in particular to provide a gear-type compressor that can improve the coefficient of performance of a refrigeration system. At the same time, the lubricating oil in the present invention can effectively lubricate the entire surface of the contact surface between the cylinder and the external gear, and can prevent the loss of mechanical energy caused by friction. Background technique [0002] Generally, a compressor is a machine that uses the power of a motor or a steam turbine to pressurize working fluids such as air and refrigerant to increase the pressure of the working fluid. This kind of compressor is widely used in the fields of home appliances such as air conditioners and refrigerators, as well as in production fields. [0003] According to the type of compression, the compressor can be divided into positive displacement compressor and turbo compressor. [0004] Among them, the volumetric ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04C18/10F04C29/02
Inventor 裴永周金京浩车江昱江胜民
Owner LG ELECTRONICS (TIANJIN) APPLIANCES CO LTD
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