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Dynamically controlled compressors

A compressor and multi-compressor technology, applied in the field of compressors, can solve the problems of unsuitable compensation of capacity, influence of the second compressor, not being connected in an independent manner, etc.

Inactive Publication Date: 2007-07-18
特伯考尔公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This can occur, for example, when the compressors, condensers or evaporators are not properly sized and the lines to or from the compressors are not connected in an independent manner, or when several compressors are connected in parallel, and The interconnection between the compressors is at a common junction or line and the capacity at the junction is not suitable to compensate for changes in the first compressor, thereby having a direct effect on the second compressor

Method used

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  • Dynamically controlled compressors
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Examples

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Embodiment Construction

[0021] In a refrigeration system such as an air conditioner, the load of the compressor changes with time and temperature and pressure. These changes have an impact on the operation of the compressor, and the compressor adjusts its speed and inlet guide vanes to respond.

[0022] This dynamic control system can be applied to conventional systems that use other types of positive displacement compressors such as reciprocating compressors, scroll compressors, or screw compressors. Therefore, in the case of an air compressor, the compressor can respond to changes in load requirements during its application process such as a manufacturing process.

[0023] In a system including at least two compressors, the present invention provides a container or tank of an appropriate size in one or both of the suction line or the discharge line of the plurality of compressors in such a way that if the first Changes in compressor conditions have no direct impact on other compressors, and the contain...

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PUM

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Abstract

In systems comprising at least two compressors, the present invention provides an adequately sized vessel or tank in either or both the suction line or the discharge line of multiple compressors, in such a fashion that if the conditions of the first compressor change, it does not have an immediate effect on the other compressors, the vessel acting as a means of dampening the change.

Description

Technical field [0001] The present invention relates to compressors. More specifically, the present invention relates to a dynamically controlled compressor system and method. Background technique [0002] As is well known in the art, a centrifugal compressor has an operating envelope called a compressor characteristic diagram, which is defined by a condition called throttling and another condition called surge. [0003] Current centrifugal compressors pump gas when operating within the range of surge and throttle positions. If a centrifugal compressor is operated under surge conditions for an arbitrarily long period of time, its impeller may overheat and damage the entire machine. Compressor manufacturers use a variety of surge detection devices to try their best to protect the compressor from operating under these damaging conditions. The surge detection devices stop the compressor when they detect surge to prevent (Compressor) is damaged. [0004] In order to save energy, some...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04D25/16F04D27/00
CPCF04D27/02Y10T137/86163F25B2400/075F04D25/16F04D27/00
Inventor R·D·康里
Owner 特伯考尔公司