139569 ⎘
Other non-electrical control for free-piston engines; for engines without rotary main shaft
Linear alternator assembly with four-stroke working cycle and vehicle having same
#2System and method for electrically-coupled heat engine and thermal cycle
#3System and method for electrically-coupled heat engine and thermal cycle
#4Dual fuel compression ignition engines and methods
#5Method and system for controlling a free-piston energy converter