Invention Grant
- Patent Title: High-side pressure control for transcritical refrigeration system
- Patent Title (中): 跨临界制冷系统的高侧压力控制
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Application No.: US13121824Application Date: 2009-09-28
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Publication No.: US08745996B2Publication Date: 2014-06-10
- Inventor: HongTao Qiao , Hans-Joachim Huff
- Applicant: HongTao Qiao , Hans-Joachim Huff
- Applicant Address: US CT Farmington
- Assignee: Carrier Corporation
- Current Assignee: Carrier Corporation
- Current Assignee Address: US CT Farmington
- Agency: Cantor Colburn LLP
- International Application: PCT/US2009/058543 WO 20090928
- International Announcement: WO2010/039630 WO 20100408
- Main IPC: F25B1/00
- IPC: F25B1/00
Abstract:
To accommodate a transcritical vapor compression system with an operating envelope which covers a large range of heat source temperatures, a high side pressure is maintained at a level determined not only by operating conditions at the condenser but also at the evaporator. A control is provided to vary the expansion device in response to various combinations of refrigerant conditions sensed at both the condenser and the evaporator in order to maintain a desired high side pressure.
Public/Granted literature
- US20110239668A1 HIGH-SIDE PRESSURE CONTROL FOR TRANSCRITICAL REFRIGERATION SYSTEM Public/Granted day:2011-10-06
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