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Method of defrosting refrigeration system

A refrigeration system and refrigeration mode technology, applied in defrosting, household refrigeration equipment, coolers, etc., can solve the problems of frequent entry into the cargo space, temperature and moisture changes in the cargo space, etc.

Active Publication Date: 2020-11-13
CARRIER CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During operation, there may be frequent access to the cargo space, which causes changes in temperature and moisture in the cargo space

Method used

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  • Method of defrosting refrigeration system
  • Method of defrosting refrigeration system

Examples

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Embodiment Construction

[0029] figure 1 A transport refrigeration system 20 is shown associated with a cargo space 22, such as a refrigerated cargo space. The controller 24 manages the operation of the refrigeration system 20 to establish and regulate the desired product storage temperature within the refrigerated cargo space 22 . The cargo space 22 may be a trailer, truck, shore shipping container, or cargo box of an intermodal container in which perishable loads such as, for example, produce, meat, poultry, fish, dairy products, cut flowers, and other fresh or frozen perishables are loaded. Rotten products are used for shipping.

[0030] The refrigeration system 20 includes a refrigerant compression device 26 connected in a closed loop refrigerant circuit and arranged in a conventional refrigeration cycle, a refrigerant heat rejection heat exchanger 28, an expansion device 30 (such as an electronically controlled expansion valve), and refrigerant heat absorption Exchanger 32. The refrigeration s...

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PUM

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Abstract

A method of operating a refrigeration system (20) includes operating the refrigeration system in refrigeration mode. A current access condition into a refrigerated cargo space (22) is detected. At least one heat exchanger (32) in the refrigerated cargo space (22) is directed into a defrost mode during the current access condition. The refrigeration system (20) is directed into a refrigeration modewhen the current access condition is no longer detected.

Description

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS [0002] This application claims priority to US Provisional Application No. 62 / 657,206, filed April 13, 2018, which is incorporated herein by reference. technical field [0003] The present application relates to a method of defrosting a refrigeration system. Background technique [0004] Typically, refrigeration systems are used to transport and distribute loads that may be susceptible to temperature, humidity and other environmental factors, or more specifically perishable and environmentally sensitive goods (referred to herein as perishables). Perishable goods may include, but are not limited to, fruits, vegetables, grains, legumes, nuts, eggs, dairy, seeds, flowers, meat, poultry, fish, ice and pharmaceuticals. Advantageously, a cold chain distribution system allows perishable goods to be transported and distributed efficiently without damage or other undesired effects. [0005] Refrigerated trucks and trailers are often u...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25D11/00B60P3/20B60H1/00F25D21/00F25D21/08
CPCF25D11/003F25D21/002F25D21/08F25D2700/02B60H1/00014B60H1/00785B60H1/321
Inventor R·L·小森夫
Owner CARRIER CORP