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Screw compressor discharge flow guide

A screw compressor, discharge flow technology, applied in the field of screw compressors, can solve the problems of large diffuser, large loss, etc.

Inactive Publication Date: 2008-07-16
CARRIER CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This results in large losses and / or requires as large a diffuser as possible

Method used

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  • Screw compressor discharge flow guide
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  • Screw compressor discharge flow guide

Examples

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Embodiment Construction

[0012] The invention relates to a screw compressor, in particular to an improved guiding structure for the fluid passing through the outlet of the screw compressor, so as to reduce the power loss of the outlet and improve the efficiency of the compressor.

[0013] figure 1 A prior art arrangement is shown in which rotors 1 , 2 rotate within a housing, a part of which is indicated at 3 , producing streamlines 4 , 5 of discharge flow which exit via discharge opening 6 .

[0014] In accordance with conventional constructions, a sharp corner 7 is typically provided on the outlet opening 6, such a sharp corner 7 causing a considerable flow constriction in the direction of the outlet flow. This is undesirable, results in inefficient operation and / or requires diffuser structures and the like that are as large as possible.

[0015] refer to figure 2 According to the present invention, a solution to this problem is provided, wherein the screw compressor 10 has rotors 12, 14 which ar...

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PUM

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Abstract

A screw compressor includes a housing having a discharge port; and at least two rotors disposed in the housing for generating opposed discharge flows through the discharge port, wherein the discharge port has edges defining a discharge opening, and wherein the edges are rounded so as to smooth flow of the discharge flows past the edges.

Description

technical field [0001] The invention relates to a screw compressor, in particular to the reduction of the discharge port loss of the screw compressor. Background technique [0002] When the screw compressor speed increases, the dynamic pressure loss at the discharge port of the compressor increases. The flow at the outlet is characterized by a converging flow, producing a significantly different flow in the cross-section downstream of the outlet. This leads to large losses and / or requires as large a diffuser as possible. [0003] Obviously need to improve the structure to reduce the loss of this part of the compressor. [0004] It is therefore the main object of the present invention to provide a compressor in which losses at the discharge port are reduced. [0005] Other objects and advantages of the present invention will be described hereinafter. Contents of the invention [0006] According to the present invention, the aforementioned objects and advantages are easi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04C18/16F04C29/12F04C2/16
CPCF04C2/16F04C2250/102
Inventor W·H·鲁索
Owner CARRIER CORP