Agreed. Here's a cross view of the Venturi pump https://en.wikipedia.org/wiki/Fi...

		tetris11 on Oct 10, 2020 \| parent \| context \| favorite \| on: How does a gas pump know to shut itself off? (1981... Agreed. Here's a cross view of the Venturi pump https://en.wikipedia.org/wiki/File%3AEjector_or_Injector.svg https://en.wikipedia.org/wiki/Vacuum_ejector