So it can be used in weak mixture ignition and multi-fuel rotor engine ignition.

可用于稀混合气点火及多种燃料转子发动机的点火。

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The present invention discloses a kind of rotor internal combustion engine, in particular, it relates to an energy-saving rotor engine.

本发明公开了一种转子内燃发动机，特别是一种节能型的转子发动机。

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The invention provides a circular arc tooth cycloid rotor-typed engine structure, in particular to a circular arc tooth cycloid rotor engine.

本发明系一种圆弧齿摆线转子式发动机的结构。

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One way to increase the efficiency of a high-bypass jet engine is to turn the fan into an open rotor, a bit like returning to propellers, but using two rings of stubby counter-rotating blades.

ECONOMIST: A new way to build a greener jet engine

Its Radmax engine uses two wave-shaped cams that rotate above and below a stationary rotor.

FORBES: How to get 51mpg from an engine the size of a large turkey.

It was three o'clock in the morning when Graham fired up the engine, and as the frost glistened on the young fruit, the giant rotor began to turn.

BBC: Graham Hewitt and his wind machine