When the pistons reach their respective bottoms, fresh air flows in from ports at the bottom, while exhaust is rejected through ports at the top. That fresh air is squeezed into a small pocket in the ...

The newly formed organization will host a series of meetings of its members to exchange research results, insights and ideas regarding opposed-piston engines with hydrogen combustion. Several ...

A partnership between Diamond Aircraft and the Austrian government is developing options to power general aviation aircraft with liquid hydrogen. A team from Austro Engine and Bosch General Aviation ...

An OP can be configured and packaged to fit the vehicle it’s intended for. For trucks, the cylinders are likely to be vertical or slanted. Photo: Achates Power Security’s tight at Achates Power Inc.

There's more to piston shapes than you might think. Whether it's domed, flat, or dished, all pistons have their fair share of pros and cons when it comes to performance and efficiency. Understand that ...

Free-piston engine generators and linear machines represent an innovative departure from conventional rotary systems, offering high thermal efficiency and operational flexibility by eliminating the ...

The Commer TS3 engine, built for Commer trucks from the '50s into the late '60s, didn't conform to design conventions of the time. Where most engines follow familiar blueprints with one piston per ...