Peraves is located in Winterthur.

-This engine has an internal, split, spherical rotor that opens and closes, which is equivalent to a 4 cylinder. It can run on various fuels, being provided for Diesel.

“Peraves CAD 3-D design”

-Curiously, the Peraves engine already had a brand logo.

“Peraves logo”

From Appendix 11: In 2010, the engineer who designed this engine, Arnold Wagner, left Peraves and founded his own company, Hiteng AG, taking the project with him.

-Hiteng called the engine "Superballmotor". This company also makes a hybrid version.