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1. 发明授权

US5683229A Hermetically sealed pump for a refrigeration system 失效
标题翻译：用于制冷系统的密封泵
公开(公告)号：US5683229A
公开(公告)日：1997-11-04
申请号：US475073
申请日：1995-06-07
申请人： Thomas D. Stoll , Lawrence Edward Switek
发明人： Thomas D. Stoll , Lawrence Edward Switek
IPC分类号： F04C18/344 , F01C21/02 , F04C23/00 , F04C29/12 , F25B1/00 , F25B13/00 , F25D16/00 , F04B17/00
CPC分类号： F04C29/12 , F01C21/02 , F04C23/008 , F04C29/0064 , F25D16/00 , Y10S417/902
摘要： A refrigeration system is disclosed in which negative energy storage is provided to significantly reduce electrical energy consumption during peak air conditioning hours. A transfer pump is provided in the system for pumping condensed and mixed phase refrigerant from the negative energy storage to an evaporator coil where it absorbs heat energy from an air conditioned space. The transfer pump is a positive displacement pump employing a rotor and vanes rotating in a pumping chamber. Dual inlets and discharges from the pumping chamber are located to balance forces on the rotor. The inlets enter the pumping chamber radially. A hermetic enclosure seals the pump and an electric drive motor to eliminate dynamic seals within the pump and thereby greatly reduce leakage of refrigeration from the system. A refrigeration overfeed system using a hermetically sealed pump according to the invention is also disclosed.
摘要翻译：公开了一种制冷系统，其中提供负能量存储以在峰值空调小时期间显着降低电能消耗。在系统中提供了一个输送泵，用于将冷凝和混合相制冷剂从负能量储存器泵送到蒸发器盘管，在该蒸发器盘管中吸收来自空调空间的热能。输送泵是采用在泵送室中旋转的转子和叶片的容积式泵。来自泵送室的双入口和排放物被定位成平衡转子上的力。入口径向进入泵送室。密封外壳密封泵和电动驱动电机，以消除泵内的动态密封，从而大大减少制冷从系统泄漏。还公开了使用根据本发明的密封泵的制冷过度供给系统。

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