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1. 发明公开

EP1515043A1 Diaphram pump for cooling air 有权
标题翻译： Membranpumpefürkühlluft
公开(公告)号：EP1515043A1
公开(公告)日：2005-03-16
申请号：EP04255087.1
申请日：2004-08-24
申请人： Samsung Electronics Co., Ltd. , Tsinghua University
发明人： Cho, Hye-jung , Luo, Xiaobing , Zhou, Zhaoying , Yang, Xing , Ye, Xiongying
IPC分类号： F04B43/02 , F04B43/04
CPC分类号： F04B45/047 , F04B43/046 , F04B45/045
摘要： A diaphragm air pump comprises a pump chamber, a diaphragm and one or more piezoelectric beams or bimorphs. Fluid flows into the pump chamber and then flows out of it, the diaphragm is provided within the pump chamber, and one or more central openings are formed in the diaphragm. One or more central check valves are provided in the central openings. The diaphragm is just bonded with piezoelectric beams, not fixed to the lower housing of the pump chamber in order to get large displacement. With the provided diaphragm air pump, it is possible to actively adjust the air quantity according to the requirement for fuel cell or a part-to-be-cooled, and it is also possible to reduce noise and power consumption compared with a conventional fan type cooler or air pumps.
摘要翻译：隔膜空气泵包括泵室，隔膜和一个或多个压电梁或双压电晶片。流体流入泵室，然后从其中流出，膜片设置在泵室内，并且在隔膜中形成一个或多个中心开口。一个或多个中央止回阀设置在中央开口中。隔膜刚好与压电梁结合，而不是固定在泵室的下壳体上，以获得较大的排量。利用所提供的隔膜空气泵，可以根据燃料电池或部分待冷却的要求主动调节空气量，并且与常规风扇类型相比，也可以降低噪声和功率消耗冷却器或空气泵。

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