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Liquid vapor phase seperation apparatus

The phase separation apparatus with an auger and helical spiral design addresses the challenge of separating refrigerant phases in mobile transcritical systems, enhancing efficiency and durability for mobile refrigeration systems using carbon dioxide.

Inactive Publication Date: 2016-09-22
CARRIER CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The apparatus effectively separates refrigerant phases, reducing sloshing and intermixing due to vibration, and is designed to be compact and lightweight, suitable for mobile refrigeration systems operating in transcritical conditions.

Problems solved by technology

Being mobile, transport refrigerant vapor compression systems are subject to vibration and movements not experienced by stationary refrigerant vapor compression systems.
Transport refrigeration systems are also subject to size restrictions due to limitations on available space and weight considerations due to fuel economy not generally associated with stationary refrigerant vapor compression systems, such as air conditioners and heat pumps.

Method used

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Examples

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Embodiment Construction

[0021]Referring now to FIG. 1, there is depicted therein an exemplary embodiment of a refrigerant vapor compression system 10 suitable for use in a transport refrigeration system for refrigerating the atmosphere within the temperature controlled cargo space 20 of a truck, trailer, container or other mobile refrigeration system for transporting perishable goods, fresh or frozen. The refrigerant vapor compression system 10 is particularly adapted for operation in a transcritical cycle with a low critical temperature refrigerant, such as for example, but not limited to, carbon dioxide. In the depicted embodiment, the refrigerant vapor compression system 10 includes a multi-step compression device 30, a refrigerant heat rejection heat exchanger 40 and a refrigerant heat absorption heat exchanger 50, also referred to herein as an evaporator, with refrigerant lines 12, 14 and 16 connecting the aforementioned components in refrigerant flow communication in a refrigerant circuit.

[0022]A pri...

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PUM

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Abstract

A phase separation apparatus is provided for separating a two-phase fluid flow into a liquid phase portion and a vapor phase portion. The phase separation apparatus may be applied to the separation of a two-phase refrigerant flow in a refrigerant vapor compression system operating in a transcritical cycle.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS[0001]This application is a divisional of U.S. non-provisional patent application Ser. No. 13 / 984,312, filed Aug. 8, 2013, the entire contents of which are incorporated herein by reference, which claims the benefit of International Application No. PCT / US2012 / 024086, filed Feb. 7, 2012, which claims the benefit of U.S. provisional patent application Ser. No. 61 / 442,541, filed Feb. 14, 2011.BACKGROUND OF THE INVENTION[0002]This invention relates generally to liquid vapor phase separation and, more particularly, to the separation of a two-phase refrigeration flow into a liquid phase portion and a vapor phase portion in a refrigerant vapor compression system having a flash tank economizer and operating in a transcritical cycle.[0003]Refrigerant vapor compression systems are well known in the art and commonly used in mobile refrigeration systems, such as transport refrigeration systems for refrigerating air or other gaseous fluid supplied to a tempe...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): B01D45/16F25B43/00F25B1/10
CPCB01D45/16F25B1/10F25B2600/2513F25B2400/02F25B2341/0662F25B43/00B60H1/3228F25B2600/026F25B2600/2509F25B41/39
Owner CARRIER CORP
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