The General Electric GE36 was an experimental aircraft engine, a hybrid between a turbofan and a turboprop, known as an unducted fan (UDF) or propfan. The GE36 was developed by General Electric Aircraft Engines, [3] with its CFM International equal partner Snecma taking a 35 percent share of development. [4] Development was cancelled in 1989.

通用電氣 GE36 （General Electric GE36）是一種實驗性飛機發動機， 由渦輪風扇发动机和渦輪螺旋槳發動機结合而成，被稱為無涵道風扇發動機 （UDF）或槳扇發動機。由通用電氣航空開發， [3] 同時，其CFM國際的平等合作夥伴斯奈克瑪參與了 35% 的開發。

The General Electric GE36 was an experimental aircraft engine, a hybrid between a turbofan and a turboprop, known as an unducted fan (UDF) or propfan. The GE36 was developed by General Electric Aircraft Engines, with its CFM International equal partner Snecma taking a 35 percent share of development. Development was cancelled in 1989.

The GE36 Unducted Fan (UDF), from American engine maker General Electric (GE) with 35-percent participation from French partner Snecma (now Safran), was a variation on the original propfan concept and resembled a pusher configuration piston engine. GE's UDF had a novel direct-drive arrangement, where the reduction gearbox was replaced by a low ...

2023年6月19日 · GE once thought super-efficient propfans were the future of air travel, until low fuel prices in the late 1980s moved fuel consumption down the list of priorities. Now, it's bringing them back...

在NASA的推动下， 早在80年代，GE航空就联合当时的法国斯奈克玛（分担35%研发工作）开发了GE36型实验发动机，当时被称为无涵道风扇（UDF）。 GE36改装自中等推力的F404军用发动机，并曾安装到727、MD-81上进行过测试。 开放 转子发动机 如果想应用于以高亚音速飞行的民航飞机，主要有两个问题，第一是风扇直径和强度的问题，第二是噪音过大问题。 复材风扇叶片的进化 ©GE航空. GE36采用了两个反转的碳纤维复材风扇，解决了直径与强度的问题。 GE36 …

Building upon the successes of the UDF ® program in the 1980's, open rotor designs for high flight speed efficiency and low community noise have been developed at GE in collaboration with NASA and the FAA. Targeting a narrow body aircraft …

BOSTON (Mar. 20, 2025) – The U.S. Environmental Protection Agency (EPA) has conditionally approved the General Electric Company's Revised Upland Disposal Facility (UDF) Final Design Plan and GE's UDF Revised Operation, Monitoring, and Maintenance Plan (OMM). These documents provide GE's Final Design and the Operation, Monitoring, and Maintenance plan for the UDF that GE will be constructing ...

2024年11月9日 · 首先， 桨扇发动机 （Propfan）并非前苏联人的发明，而是美国著名航空发动机i制造商 通用动力公司 （GE）上世纪70年代末的发明，当时通用电气称之为UDF发动机，波音公司在1980年代还联合 NASA （美国国家航空航天局）还专门为其开发一个机型—— 波音7J7 ，并且 ...

The UDFTM engine is a new aircraft engine concept that is based on an ungeared, counterrotating, unducted, ultra-high-bypass turbofan configuration. This engine is being developed by GE to provide a high thrust-to-weight ratio power plant with exceptional fuel efficiency for subsonic aircraft application.