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Refrigerant circuit with integrated multi-mode thermal energy storage

Inactive Publication Date: 2013-03-28
GREENER ICE SPV L L C
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This patent is about an integrated system that uses refrigerant to store and cool energy. It includes a compressor, condenser, and thermal storage module with a heat exchanger for charging and discharging the system. The system also has expansion devices for the refrigerant and evaporator, and a valve system to control the flow of refrigerant. The technical effect of this invention is to create a more efficient and reliable cooling system that can manage its energy usage better.

Problems solved by technology

Current air conditioning units having energy storage systems have had limited success due to several deficiencies, including reliance on water chillers that are practical only in large commercial buildings and have difficulty achieving high-efficiency.

Method used

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  • Refrigerant circuit with integrated multi-mode thermal energy storage
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  • Refrigerant circuit with integrated multi-mode thermal energy storage

Examples

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Embodiment Construction

[0017]While this invention is susceptible to embodiment in many different forms, it is shown in the drawings, and will be described herein in detail, specific embodiments thereof with the understanding that the present disclosure is to be considered as an exemplification of the principles of the invention and is not to be limited to the specific embodiments described.

[0018]FIG. 1 illustrates an embodiment of a refrigerant circuit with integrated multi-mode thermal energy storage. The embodiments shown may function with or without an accumulator vessel (surge vessel) or URMV 102 (universal refrigerant management vessel), and is depicted in FIG. 1 with the vessel in place.

[0019]As illustrated in FIG. 1, a variety of modes may be utilized in the system shown to provide cooling in various conventional or non-conventional air conditioning / refrigerant applications and utilized with an integrated condenser / compressor / evaporator (e.g., off-the-shelf unit or original equipment manufactured [...

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Abstract

Disclosed is a method and device for a refrigerant-based thermal energy storage and cooling system with integrated multi-mode refrigerant loops. The disclosed embodiments provide a refrigerant-based thermal storage system with increased versatility, reliability, lower cost components, reduced power consumption and ease of installation.

Description

CROSS REFERENCE TO RELATED APPLICATION[0001]This application is based upon and claims the benefit of U.S. provisional application No. 61 / 470,841, entitled “Refrigerant Circuit with Integrated Multi-Mode Thermal Energy Storage,” filed Apr. 1, 2011 and the entire disclosures of which is hereby specifically incorporated by reference for all that it discloses and teaches.BACKGROUND OF THE INVENTION[0002]With the increasing demands on peak demand power consumption, Thermal Energy Storage (TES) has been utilized to shift air conditioning power loads to off-peak times and rates. A need exists not only for load shifting from peak to off-peak periods, but also for increases in air conditioning unit capacity and efficiency. Current air conditioning units having energy storage systems have had limited success due to several deficiencies, including reliance on water chillers that are practical only in large commercial buildings and have difficulty achieving high-efficiency.[0003]In order to com...

Claims

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Application Information

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IPC IPC(8): F25D16/00F25B1/00
CPCF25D16/00F25B40/00F25B1/00
Inventor PARSONNET, BRIANWILLIS, JR., ROBERT R.WIERSMA, DEAN L.
Owner GREENER ICE SPV L L C
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