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Medium temperature refrigerated merchandiser

A product and product display technology, applied in the fields of medium temperature, commercial cabinet system, and refrigeration, can solve the problems of abnormal air distribution, uneven air distribution, and abnormal temperature distribution of the evaporator

Inactive Publication Date: 2007-01-10
CARRIER CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, the airflow is further maldistributed and the temperature distribution becomes more irregular
The airflow distribution through the evaporator is also irregular as a result of the inherent velocity distribution created by the multiple regularly spaced axial fans

Method used

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  • Medium temperature refrigerated merchandiser
  • Medium temperature refrigerated merchandiser
  • Medium temperature refrigerated merchandiser

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0019] figure 1 and 2 The refrigeration system shown is shown with a single evaporator, a single condenser, and a single compressor associated with cooling the merchandise case. It should be appreciated that the cooled merchandiser of the present invention may be used in various embodiments of commercial refrigeration systems having individual or multiple merchandisers, each having one or more evaporators, individual or multiple condensers, and / or Or single or multiple compressor units.

[0020] now refer to figure 1 and 2 , the refrigerated merchandiser system 10 includes five basic components: a compressor 20, a condenser 30, an evaporator 40 associated with cooling the merchandiser 100, an expansion device 50, and an evaporator pressure control device 60, which are controlled by refrigeration Lines 12, 14, 16 and 18 are connected in a closed refrigeration circuit. Additionally, system 10 includes a controller 90 . However, it should be understood that the refrigeratio...

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PUM

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Abstract

A refrigerated merchandiser (100) includes an upright, open-front, insulated cabinet (110) defining a product display area (125) connected in airflow communication with a compartment (120) via an air circulation circuit (122, 114, 116). A high pressure drop evaporator (40) and a plurality of closely spaced fans (70) are disposed within compartment (120). The evaporator (40) is provided with a relatively high fin density heat exchanger coil providing a relatively high air side pressure drop through the evaporator. The increased flow resistance through the evaporator coupled with the plurality of closely spaced fans results in a substantially uniform evaporator outlet temperature profile across the length of the evaporator.

Description

technical field [0001] The present invention relates generally to refrigerated merchandiser systems, and in particular to a refrigerated, medium temperature, merchandiser system for displaying food and / or beverage products. Background technique [0002] Typically, supermarkets and convenience stores are equipped with display cases, which may be open or may have doors, for presenting fresh food or beverages to customers while keeping them in a refrigerated environment. Typically, cool, moist air is provided to the product display area of ​​each display case by passing the air over the heat exchange surface of the evaporator coil, which is located in one of the display cases. The area is spaced from the product display area so that the vaporizer is out of sight of customers. A suitable refrigerant such as R-404A is passed through the heat exchange tubes of the evaporator coil. As the refrigerant evaporates within the evaporator coil, heat is absorbed from the air passing ove...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A47F3/04F25B39/02F28D1/00F28D1/04F28D1/02F25B41/04F25D17/08F25D19/00F28F1/32
CPCF25B39/02A47F3/0447F25B41/043F25B2400/22F25B2500/01A47F3/0443A47F3/04
Inventor R·H·L·常E·D·小达迪斯K·K·冯S·-L·K·创
Owner CARRIER CORP