Vacuum engine
= Vacuum engine
{wiki=Vacuum_engine}
A vacuum engine, also known as an atmospheric engine or a steam vacuum engine, is a type of heat engine that operates by creating a vacuum in a cylinder to induce motion. These engines utilize differences in air pressure and temperature to produce mechanical work. \#\#\# Basic Operating Principle: 1. **Heating**: A heat source, such as burning fuel or a hot steam supply, heats air or water in the cylinder.