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11.发明授权公开(公告)号：US06866478B2
公开(公告)日：2005-03-15
申请号：US10431345
申请日：2003-05-06
申请人： Tibor Fabian , Frank Holman , Sangkyun Kang , Hao-Chih Liu , Minoru Matsunaga , Fritz B. Prinz , Hideaki Tsuru
发明人： Tibor Fabian , Frank Holman , Sangkyun Kang , Hao-Chih Liu , Minoru Matsunaga , Fritz B. Prinz , Hideaki Tsuru
CPC分类号： H02K7/1823 , B33Y70/00 , B33Y80/00 , F01D5/048 , F01D5/284 , F01D25/16 , F02C3/05 , F05D2220/768 , F05D2250/82 , F05D2270/60 , F05D2300/2283 , H02K1/2726 , Y10S415/915
摘要： The present invention provides a miniature gas turbine engine for power generation. The engine has a highly integrated unitary rotor shaft where turbine, compressor and shaft are made in one piece in one fabrication process. The turbine and compressor are positioned back to back on the shaft in an overhung configuration, allowing the front bearings to be located in the cold zone of the engine. Preferably, the Mold SDM fabrication technique is utilized to make the unitary rotor shaft in one monolithic part out of ceramics such as silicon nitride, eliminating the need for post process assembly while strengthening the integrity, reliability, and performance of the unitary rotor shaft. Integrated with a permanent magnet in the unitary rotor shaft, the miniature gas turbine engine can generate electric power of 1 kW or less. Additionally, the axial length of the miniature gas turbine engine is about 100 mm or less. The miniature gas turbine engine according to the present invention is therefore particularly useful for powering lightweight, self-sustaining mobile devices such as unmanned vehicles and-autonomous robots.
摘要翻译： 本发明提供一种用于发电的微型燃气轮机。 发动机具有高度集成的单一转子轴，其中涡轮机，压缩机和轴在一个制造过程中制成一体。 涡轮机和压缩机以悬垂构造背靠背地定位在轴上，允许前轴承位于发动机的冷区中。 优选地，使用模具SDM制造技术来使整体式转子轴在诸如氮化硅的陶瓷之外的一个整体部分中，从而消除了后加工组装的需要，同时增强了整体转子轴的完整性，可靠性和性能。 在整体式转子轴中与永磁体一体化，微型燃气涡轮发动机可以产生1kW以下的电力。 此外，微型燃气涡轮发动机的轴向长度为约100mm或更小。 因此，根据本发明的微型燃气涡轮发动机特别可用于为诸如无人驾驶车辆和自主机器人的轻量级，自维持的移动设备供电。
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