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Variable capacity twin rotary compressor and its running method

A technology of rotary compressor and type adjustment, applied in rotary piston machinery, rotary piston pump, pump combination for elastic fluid rotary piston/oscillating piston, etc. and other problems to achieve the effect of improving reliability, reducing production costs, and reducing operating errors

Inactive Publication Date: 2007-05-02
LG ELECTRONICS (TIANJIN) APPLIANCES CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] As an example of the above-mentioned discharge volume adjustment technology, there is a method of installing a plurality of compression units with the same or different internal volumes, connecting the plurality of compression units with each other, and installing valves at appropriate positions in the piping. The compressor capacity adjustment method that adjusts the flow path, but in the above cases, if the number of valves used is not properly adjusted, it will not only increase the excessive cost, but also cause the operation to be too complicated or a certain valve to run incorrectly , the capacity of the compressor cannot be adjusted correctly

Method used

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  • Variable capacity twin rotary compressor and its running method
  • Variable capacity twin rotary compressor and its running method
  • Variable capacity twin rotary compressor and its running method

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Embodiment Construction

[0033] Below, the capacity-adjustable compound rotary compressor and its operating method of the present invention will be described in detail with reference to the accompanying drawings.

[0034] Fig. 1 is a longitudinal sectional view of the first embodiment of the compound rotary compressor of the present invention, Fig. 2 is a transverse sectional view of the first embodiment of the compressor portion in the compound rotary compressor of the present invention, and Fig. 3 is a view of Fig. 2 "I-I" line sectional view, Figures 4a to 4c are various system diagrams of the operating state of the compound rotary compressor of the present invention;

[0035] As shown in the figure, the capacity-adjustable compound rotary compressor applicable to the present invention includes a casing 10 forming a sealed space inside; a drive unit 20 installed inside the casing 10 for generating driving force; connected to the drive unit 20 for refrigerant The first compression unit 30 and the se...

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Abstract

A volume adjustable compound rotation compressor with less number of valves is composed of casing, driver unit, the first and the second compression units, refrigerating circulation system, and the first and the second connection units for selectively connecting the outlet of evaporator or cold medium exhaust tube to inlet of the first (and the second) compression unit. Its running mode is also disclosed.

Description

technical field [0001] The invention relates to a compound rotary compressor, in particular to a capacity-adjustable compound rotary compressor capable of flexibly adjusting the capacity while reducing the number of valves and its operating method. Background technique [0002] Generally, a compressor refers to a device that receives the power transmitted by a power generating device such as a motor, and applies compression work to air or refrigerant or other special gases to compress the working gas and increase its pressure. It is widely used in various industries. Compressors can be divided into positive displacement compressors and turbo compressors according to the compression method. Positive displacement compressors increase their pressure by reducing their volume, while turbo compressors increase their pressure by reducing their volume. A compression method in which the kinetic energy of a gas is converted into pressure energy. Among positive displacement compressor...

Claims

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Application Information

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IPC IPC(8): F04C28/00F04C23/00F04C18/356
Inventor 金圣敦裴英珠李将宇
Owner LG ELECTRONICS (TIANJIN) APPLIANCES CO LTD
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