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Cold Storage Refrigerator

A refrigerator and cold storage technology, which is applied in the direction of refrigerators, gas cycle refrigerators, refrigeration components, etc., and can solve the problem of increased loss of working gas

Active Publication Date: 2016-07-06
SUMITOMO HEAVY IND LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, there is a problem that when the regenerator material has a small wire diameter and a small porosity, the loss due to the flow resistance of the working gas becomes large.

Method used

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Examples

Experimental program
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Effect test

Embodiment Construction

[0023] Next, embodiments of the present invention will be described with reference to the drawings.

[0024] figure 1 The regenerative refrigerator which is the first embodiment of the present invention is shown. In this embodiment, a Stirling-type pulse tube refrigerator 1 (hereinafter, simply referred to as a refrigerator) will be described as an example of a regenerative refrigerator. This refrigerator 1 roughly includes a compressor 2 , an expander 3 , and a phase control unit 4 .

[0025] The compressor 2 is configured such that a cylinder 6 , a piston 7 , a linear motor 8 , a leaf spring unit 15 , and the like are provided inside a casing 5 .

[0026] The cylinder 6 is provided at the center of the housing 5 to extend in the left-right direction in the drawing. A pair of opposed pistons 7 are disposed inside the cylinder 6 . The piston 7 is configured to be able to move axially ( figure 1 left and right direction) for linear reciprocating movement. A compression ch...

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PUM

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Abstract

The present invention provides a cool-storage refrigerator capable of improving the cool-storage efficiency of a cool-storage material and improving the cooling efficiency. In the cold storage refrigerator of the present invention, a cold storage device (20A) filled with a cold storage material (30A) for storing heat of the working gas is provided in the middle of the flow path for generating cold working gas, wherein the cold storage material ( 30A) is a sintered body obtained by sintering fiber materials, and the diameter of the fiber materials arranged on the low temperature side PC of the regenerator (20A) is set to be smaller than the diameter of the fiber materials arranged on the high temperature side PH.

Description

technical field [0001] The invention relates to a cold storage refrigerator, in particular to a cold storage refrigerator using cold storage materials. Background technique [0002] For example, refrigerators such as Gifford-McMahon refrigerators (hereinafter referred to as "GM refrigerators"), Stirling refrigerators, and pulse tube refrigerators are constructed so as to utilize a regenerator filled with a regenerator material inside. Get cold. [0003] For example, a pulse tube refrigerator includes a compressor, a pulse tube, a regenerator, a phase control unit, and the like. The high-pressure working gas generated by the compressor flows into the phase control unit through the regenerator and the pulse tube. At this time, the phase control unit generates a phase difference between a sinusoidal pressure change and a flow rate change of the working gas sent from the compressor in the pulse tube. As a result, cold is generated between the pulse tube and the regenerator. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F25B9/00
CPCF25B9/145F25B2309/1408F25B2309/1415F25B2309/1423F25B2400/073F25B9/00
Inventor 平塚善胜中野恭介
Owner SUMITOMO HEAVY IND LTD
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