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Miniature engine, SEM

Miniature engine, SEM


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Miniature engine, SEM

Micro-engine. Coloured scanning electron micro- graph (SEM) of combustion chambers in the worlds smallest combustion engine. This is a rotary Wankel engine, which uses a rotating rotor instead of pistons and cylinders. Each chamber contains a fuel injection inlet and an exhaust outlet, and the cog at the centre allows the transmission of power. The entire engine is smaller than most batteries, and it is hoped that it could power a variety of electronic devices. It runs on liquid fuels such as butane or propane. It will lead the way to even smaller engines etched on a silicon wafer. The chip was built at the University of California at Berkeley, USA, in 2001

Science Photo Library features Science and Medical images including photos and illustrations

Media ID 6429025

© VOLKER STEGER/SCIENCE PHOTO LIBRARY

Berkeley Chambers Cogs Mechanical Micro Micromechanical Micromechanics Nanotechnology Us A Wankel Engine


EDITORS COMMENTS
This print showcases a remarkable feat of engineering - a miniature engine that pushes the boundaries of size and innovation. Captured using a scanning electron microscope (SEM), this colored micrograph reveals the intricate combustion chambers within the world's smallest combustion engine. Unlike traditional engines, this rotary Wankel engine employs a rotating rotor instead of pistons and cylinders. Each chamber is equipped with both a fuel injection inlet and an exhaust outlet, while power transmission is facilitated by the cog positioned at its center. Astonishingly, this entire engine is smaller than most batteries, offering immense potential for powering various electronic devices. Running on liquid fuels such as butane or propane, this tiny marvel holds great promise for future advancements in nanotechnology. Constructed at the prestigious University of California in Berkeley back in 2001, it represents cutting-edge micromechanical ingenuity. While commercial applications are not explicitly mentioned here, one can only imagine the possibilities that lie ahead. This breakthrough paves the way for even smaller engines etched onto silicon wafers - an exciting prospect for technological progress. Science Photo Library has once again captured an awe-inspiring moment where science meets artistry. This image serves as a testament to human creativity and our relentless pursuit of pushing boundaries in mechanical engineering and microtechnology.

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