[Lindsay Wilson] has a lawnmower engine which a few years ago he converted with the addition of a sleeve valve to run on compressed air. It’s not a steam engine because creating a safe and legal ...

Originally, he was trying for a compressed air quadcopter. He’d already worked with an air turbine, but putting on a vehicle that can lift itself into the air turns out to have a lot of hidden ...

When this large valve closes, all the pressurized air from the tank is ducted directly to the engine. This is a very rudimentary explanation of how the Compressed Air Supercharging system functions.

The APU also provides compressed air to power a third turbine, the main engine’s pneumatic starter motor. That’s the type ...

Compressed natural gas (CNG ... is also field testing a new and more powerful natural gas engine for heavy-duty 18-wheel highway trucks, with commercial introduction expected in less than two ...

Another, larger stream of air merely passes through the bypass stream without being compressed ... engine. Secondary air is transmitted to the active clearance control lines installed on turbine ...