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David Tracy David Tracy Aug 17, 2017. 23 comments

Gas Station Fuel Nozzles Are Fascinating Contraptions

Gas Station Fuel Nozzles Are Fascinating Contraptions

We may not realize this, but the fuel nozzles found in millions of filling stations around the world are actually beautiful mechanisms based on old-school mechanical principles. Here’s how they work.

Just look at that fuel nozzle cutaway in the video above— it’s a true thing of beauty! There are valves, diaphragms, linkages, springs, orifices, seals— it’s wonderful! And it all works...

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