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Turbo compressor and turbo refrigerator

A turbo compressor and impeller technology, applied in the direction of machines/engines, refrigerators, refrigeration components, etc., can solve the problems of increased man-hours and manufacturing costs, man-hours and costs, etc., to reduce man-hours and production costs, reduce man-hours and manufacturing Cost, the effect of reducing manufacturing costs

Inactive Publication Date: 2011-09-21
IHI CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, there are problems in that the manufacturing man-hours and costs of the impeller casing increase, and the man-hours and manufacturing costs of the turbo compressor and the turbo refrigerator increase.

Method used

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  • Turbo compressor and turbo refrigerator
  • Turbo compressor and turbo refrigerator
  • Turbo compressor and turbo refrigerator

Examples

Experimental program
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Embodiment Construction

[0025] Refer to the following Figure 1 to Figure 5 Preferred embodiments of the present invention are described. In each drawing used in the following description, the scale of each member is appropriately changed in order to make each member a recognizable size.

[0026] figure 1 It is a block diagram showing a schematic configuration of the turbo refrigerator S1 of this embodiment. The turbo refrigerator S1 of this embodiment is installed in a building or a factory, for example, to generate cooling water for air conditioning. like figure 1 As shown, the turbo refrigerator S1 includes a condenser 1 , an economizer 2 , an evaporator 3 , and a turbo compressor 4 .

[0027] Compressed coolant gas X1 that is a coolant in a compressed gas state is supplied to the condenser 1 , and the liquefied compressed coolant gas X1 is cooled by the condenser 1 to become coolant liquid X2 . Additionally, if figure 1 As shown, the condenser 1 is connected to the turbo compressor 4 throug...

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Abstract

Provided is a turbo compressor configured to compress a gas in cooperation with a rotatable impeller and a diffuser formed around the impeller and to discharge the compressed gas to the outside thereof through a scroll chamber communicating with the diffuser, the turbo compressor including: an impeller casing which is formed by integrally molding a body portion surrounding the impeller and forming a part of a the scroll chamber and a partition plate provided at the rear surface side of the impeller; and a shroud cover which is provided at the inside of the body portion to surround the impeller and forming the scroll chamber in cooperation with the body portion.

Description

technical field [0001] The present invention relates to turbo compressors and turbo refrigerators. [0002] This application claims priority based on Japanese Patent Application No. 2010-51929 for which it applied on March 9, 2010, and uses the content here. Background technique [0003] As a refrigerator that cools or freezes an object to be cooled such as water, a turbo refrigerator including a turbo compressor that compresses and discharges a coolant gas is known. The turbo compressor included in this turbo refrigerator, as described in Patent Document 1 (Japanese Patent Application Laid-Open No. 2009-185713), compresses and cools the compressor by cooperating with a freely rotating impeller and a diffuser formed around the impeller. agent gas. In addition, the coolant gas compressed by the turbo compressor is discharged to the outside through the scroll chamber communicated with the aforementioned diffuser. The diffuser and the vortex chamber are formed by an impeller...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04C18/02F04C29/02
CPCF25B2400/13F04D29/4206F01D15/005F04D25/0606F01D25/24F01D9/026F05D2220/40F05B2220/40F04D25/02
Inventor 栗原和昭杉谷宗宁
Owner IHI CORP