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Refrigerating machine

A technology for refrigeration devices and decompression devices, which is applied to household refrigeration devices, refrigerators, refrigeration components, etc., and can solve problems such as reduction

Inactive Publication Date: 2005-09-21
SANYO ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] For example, when it is used in a refrigerator having a refrigerator compartment or a refrigeration compartment, in the refrigeration cycle, a heat absorber having a function of refrigeration or cooling is arranged, and the function of any heat absorber can be utilized. cold or cooling operation, but in this case it is important to operate efficiently without reducing its efficiency at any time

Method used

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Examples

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Embodiment Construction

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

[0024] figure 1 It is a refrigerant circuit diagram showing one embodiment of the present invention. This refrigeration device 30 has a structure including a compressor 1, a radiator 2, a decompression device 3, and a gas-liquid separator 4 in this order. From the compressor 1, the refrigerant circuit that reaches the inlet of the decompression device 3 via the radiator 2 constitutes a high-pressure side circuit. The decompression device 3 is, for example, configured to be able to change the opening degree of a throttle valve. By changing the opening of the throttle valve, until it reaches the gas-liquid separator 4, the pressure is reduced to generate more gas refrigerant. In this state, by entering the gas-liquid separator 4, the gas-liquid separator 4 can be changed. separation efficiency in . The compressor 1 is a two-stage compressor, includes a first-stage com...

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PUM

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Abstract

This freezing device comprising a compressor 1, a radiator 2, a decompressor 3 and a gas-liquid separator 4, further comprises means 6, 7 capable of introducing a gas refrigerant separated by the gas-liquid separator 4 to an intermediate pressure part of the compressor 1, and a low pressure-side circuit 9 for circulating the liquid refrigerant separated by the gas-liquid separator 4, the low pressure-side circuit 9 comprises the heat absorbing means functioned in selective various temperature zones, and the refrigerant passed through the selected heat absorbing means 10 is returned to a suction port of the compressor 1. So this invention provides a freezing device capable of performing the operation of high efficiency without impairing the efficiency of a heat absorbing means in any temperature zone even when the heat absorbing means selectively functioned in various temperature zones is provided in a freezing cycle.

Description

technical field [0001] The present invention relates to a refrigeration device having a mechanism for introducing gas refrigerant separated by a gas-liquid separator into an intermediate pressure section of a compressor. Background technique [0002] People's known refrigerating device is, generally speaking, has compressor, radiator, decompression device, gas-liquid separator, and has the gas refrigerant separated by this gas-liquid separator to lead into described compressor Refrigerating device with an intermediate pressure section mechanism (refer to Patent Document 1). In such a refrigerator, since the gas refrigerant separated by the gas-liquid separator is introduced into the intermediate pressure section of the compressor as a gas, the efficiency of the compressor can be improved. [0003] Patent Document 1: JP-A-2003-106693 [0004] However, in such conventional refrigerating apparatuses, it is sometimes necessary to provide a heat absorbing mechanism including he...

Claims

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Application Information

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IPC IPC(8): F25D17/08F25B1/00F25B1/10F25B5/02F25B9/00F25D11/02F25D17/06
CPCF25B2400/23F25B2400/13F25B9/008F25D2700/123F25B1/10F25B2309/061F25B2309/06F25B2400/052F25B1/00F25B5/02F25D21/04
Inventor 斋博之菅原晃向山洋长江悦史今井悟水上和明上村一朗
Owner SANYO ELECTRIC CO LTD
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