Tiny hydrogen engine replaces fossil fuel counterparts

Israeli company Aquarius Engines this week showcased its latest development, a tiny hydrogen engine. Engineers hope the novelty will replace gas engine-generators and hydrogen fuel cells in future electrified vehicles.

Weighing only 10 kg, a simple engine uses a single moving piston to generate power. In addition to vehicles, Aquarius is developing an engine that is used as a stand-alone microgenerator.

The Aquarius engine has only one central cylinder in which a piston moves between two engine heads. In previous iterations, Aquarius used traditional fossil fuels, but now the developers have turned their attention to hydrogen. The company says Austrian engineering firm AVL-Schrick recently completed third-party prototype testing. The results of the experiment confirmed that the modified version of the engine can run exclusively on hydrogen.

The Aquarius engine is not only small, light and easy to transport, but also very simple. It does not require regular maintenance – the Aquarius consists of only 20 parts, of which only one piston moves. Even oil is not required for lubrication, the company says. The video below shows how the parts fit together.

The potential to use cleaner, combustible hydrogen as fuel increases the attractiveness of the new engine, especially in markets in countries already looking to reduce emissions. For example, the company recently formed strategic partnerships with Japanese auto parts corporations TPR and Musashi Seimitsu Industry Co. Ltd.

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Alexandr Ivanov earned his Licentiate Engineer in Systems and Computer Engineering from the Free International University of Moldova. Since 2013, Alexandr has been working as a freelance web programmer.
Function: Web Developer and Editor
Alexandr Ivanov

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