Means to control piston movement in relationship to crank arm ro
Mechanical transmission device for engine with variable...
Method and a device for changing the compression ratio in an int
Method and device for modifying the compression rate to...
Method and device for monitoring a variable cylinder...
Method and means for increasing the mean efficiency of an Otto c
Method of operating an internal combustion engine during a combu
Mixture-compressing, spark-ignited internal combustion engine ha
Multi-cylinder engine with uniform cylinder sensitivity to knock