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Refrigerator

A technology for refrigerators and compressors, which is applied to household refrigeration devices, lighting and heating equipment, household appliances, etc. It can solve problems such as inability to suppress noise, and achieve the effect of ensuring configuration space

Inactive Publication Date: 2011-07-27
KK TOSHIBA +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Therefore, if the refrigerant used is replaced by a large change in the discharge pressure and sound velocity, there is a problem that the noise caused by the discharge fluctuation cannot be suppressed.

Method used

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Examples

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Embodiment Construction

[0030] Below, refer to Figure 1 to Figure 7 The accompanying drawings specifically illustrate the embodiments of the present invention.

[0031] Figure 5 A schematic front view of the refrigerator is shown, and the refrigerator 1 includes a refrigerator compartment 3, a vegetable compartment 5, an ice making compartment 7, a switch compartment 9, and a freezer compartment 11 in order from above.

[0032] Refrigerator 3 and vegetable room 5 such as Image 6 As shown, the cooling is performed by the first evaporator 13 , and the ice making compartment 7 , the switching compartment 9 and the freezing compartment 11 are cooled by the second evaporator 15 .

[0033] Image 6 It is used to represent the refrigeration cycle diagram. In addition to the above-mentioned first and second evaporators 13 and 15, it also has a compressor 17, a condenser 19, and first and second throttling devices 21 and 23 including capillary tubes, and constitutes a In the refrigeration cycle, the re...

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Abstract

The invention provides a refrigerator using the refrigerant moderate to earth environment with small operating noise. The invention is connected through the order of a refrigerant pipe (29) after sealing R290 (propane) refrigerant, a compressor (17), a condenser (19), a throttling device (21, 23) and an evaporator (13, 15) to form refrigerating cycle. The refrigerant discharged from the compressor (17) passes through the condenser (19), the throttling device (21, 23) and the evaporator (13, 15) finally back to the compressor (17). On the other hand, the discharging side refrigerant pipe (29) of the compressor (17) is provided with a muffler (31) to restrain the discharging fluctuation from the compressor. The muffler has a length L more than or equal to 35 mm and less than or equal to 210mm.

Description

technical field [0001] The present invention relates to a refrigerator suitable for using R290 (propane) in the refrigerant. Background technique [0002] Generally, the refrigeration cycle is constituted by the refrigerant discharged from the compressor passing through the condenser, throttling device, evaporator and returning to the compressor again. The use of refrigerants in the refrigeration cycle is to replace Freon-based refrigerants with non-freon refrigerants based on the environmental problems of the earth, and to use flammable refrigerants in the refrigerants that make up the refrigeration cycle of refrigerators has become a well-known product. Methods. [0003] Compressors, condensers, throttling devices, and evaporators that make up the refrigeration cycle have been designed to maximize performance on the premise of using freon-based refrigerants. However, if flammable refrigerants are used as refrigerants, physical damage will occur. Performance is different ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F25D19/00
Inventor 山下润
Owner KK TOSHIBA
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