[특허]Beverage cooling and cleaning systems

CUB PTY LTD

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Beverage cooling and cleaning systems

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A23L-003/36 F25B-049/02 B67D-001/08 F25D-031/00
출원번호	US-0864579 (2013-04-17)
등록번호	US-10238132 (2019-03-26)
우선권정보	AU-2012901528 (2012-04-18)
발명자 / 주소	Dryzun, Nathan
출원인 / 주소	CUB PTY LTD
대리인 / 주소	Finnegan, Henderson, Farabow, Garrett & Dunner, LLP
인용정보	피인용 횟수 : 0 인용 특허 : 5

초록
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A primary beverage cooling circuit for refrigerating a fluid used in a secondary beverage cooling circuit cools beverage in a beverage conduit by pumping the fluid through a heat exchange conduit adjacent the beverage conduit to transfer heat therebetween. The primary beverage cooling circuit includes a refrigerant circuit containing a refrigerant circulating through a heat exchanger in heat transfer communication with the fluid to cool the fluid, a variable displacement compressor for circulating the refrigerant through the refrigerant circuit, a cooling device for cooling the refrigerant, and a valve for controlling the volume of fluid into the heat exchanger. The primary beverage cooling circuit further includes a controller for controlling the operation of the compressor and/or the cooling device and/or the valve based on one or more measurements from temperature and/or pressure sensors in the refrigerant circuit to maintain a temperature of the fluid and/or refrigerant about a set-point temperature.

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1. A primary beverage cooling circuit for refrigerating a fluid used in a secondary beverage cooling circuit that cools beverage in a beverage conduit by pumping the fluid through a heat exchange conduit adjacent the beverage conduit to transfer heat therebetween, the primary beverage cooling circuit comprising: a refrigerant circuit containing a refrigerant circulating through: a heat exchanger in continuous direct heat transfer communication with the fluid to cool the fluid during operation of the primary beverage circuit to refrigerate the fluid, wherein the heat exchanger is located in a tank containing a volume of the fluid;a variable displacement compressor for circulating the refrigerant through the refrigerant circuit;a cooling device for cooling the refrigerant; anda valve for controlling the volume of the refrigerant into the heat exchanger;the primary beverage cooling circuit further comprising a controller for controlling the operation of the compressor and/or the cooling device and/or the valve based on one or more measurements from temperature and/or pressure sensors in the refrigerant circuit to maintain a temperature of the fluid and/or the refrigerant about a set-point temperature. 2. A primary beverage cooling circuit according to claim 1, wherein the cooling device is a condenser including a variable speed fan. 3. A primary beverage cooling circuit according to claim 2, wherein the variable speed fan is controlled by the controller. 4. A primary beverage cooling circuit according to claim 1, wherein the temperature is maintained within a temperature range of between ±1° C. of the set-point temperature. 5. A primary beverage cooling circuit according to claim 4, wherein the set-point temperature of the fluid is approximately −2.5° C. 6. A primary beverage cooling circuit according to claim 2, wherein the controller is configured to control operation of the compressor, variable speed fan and valve by: basing controller operation on a single measurement from the sensors; oradjusting control of the compressor, variable speed fan and valve at the end of consecutive time intervals; ortrending historical measurement data and affecting control to trend towards substantially steady-state operation of the compressor, variable speed fan and/or valve. 7. A primacy beverage cooling circuit according to claim 1, including a temperature sensor positioned at any one or more of the following: in the tank containing the volume of the fluid, between the heat exchanger and the compressor; at the cooling device; or between the cooling device and the valve. 8. A primary beverage cooling circuit according to claim 1, including a pressure sensor positioned at any one or more of the following: between the heat exchanger and the compressor; between the compressor and the cooling device; or between the cooling device and the valve. 9. A primary beverage cooling circuit according to claim 1, wherein the controller is configured to control the compressor and/or cooling device and/or valve using a most recent measurement from the temperature and/or pressure sensors or using a series of measurements from the temperature and/or pressure sensors, to achieve substantially steady-state operation. 10. A primary beverage cooling circuit according to claim 1, wherein the valve is an expansion valve, that operates either electronically or mechanically. 11. A primary beverage cooling circuit according to claim 1, wherein the refrigerant is an R-410A refrigerant. 12. A primary beverage cooling circuit according to claim 1, wherein the fluid includes glycol. 13. A primary beverage cooling circuit according to claim 1, wherein the primary beverage cooling circuit operates at a capacity of greater than approximately 4.5 kW and draws power directly from a single phase power source. 14. A beverage cooling system comprising the primary beverage cooling circuit claimed in claim 1 and a secondary beverage cooling circuit containing fluid that cools beverage in a beverage conduit, the secondary cooling circuit comprising a heat exchange conduit positioned to transfer heat from the beverage conduit and a pump to pump the fluid through the heat exchange conduit, wherein the secondary cooling circuit is positioned in heat exchange with the primary cooling circuit for cooling the fluid. 15. A beverage cooling system according to claim 14, wherein the pump is a variable speed pump for pumping the fluid through the heat exchange conduit. 16. A beverage cooling system according to claim 15, wherein the controller is configured to control operation of the variable speed pump in response to one or more measurements from temperature and/or pressure sensors in the primary and/or secondary beverage cooling circuits to thereby operate the system on an efficient basis. 17. A beverage cooling system according to claim 15, wherein the controller is configured to control the variable speed pump to maintain a temperature of the fluid within a predetermined temperature range about a set-point temperature. 18. A beverage cooling system according to claim 17, wherein the temperature range is between ±1° C. of the set-point temperature and the set-point temperature is −2.5° C. 19. A beverage cooling system according to claim 14, wherein the secondary cooling circuit includes the tank for containing a volume of the fluid. 20. A beverage cooling system according to claim 19, wherein the tank is insulated and includes a lid that substantially hermetically seals the tank. 21. A beverage cooling system according to claim 20, wherein the tank is insulated by vacuum insulation panels. 22. A beverage cooling system according to claim 16, wherein the sensors include a sensor to measure one or both of an inlet temperature and an outlet temperature at a point respectively before and after the fluid is cooled by the primary beverage cooling circuit. 23. A beverage cooling system according to claim 14, wherein the secondary beverage cooling circuit includes a tertiary heat exchange system for further cooling the beverage. 24. A beverage cooling system according to claim 23, wherein fluid and beverage, respectively from the heat exchange conduit and beverage conduit, pass into the tertiary heat exchange system from where the fluid returns through the heat exchange conduit back to being cooled by the primary beverage cooling circuit. 25. A beverage cooling system according to claim 23, wherein the tertiary heat exchange system is a chilling plate.

인용문헌 (5)

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Beverage cooling and cleaning systems

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Beverage cooling and cleaning systems

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