Working method and device of a torque multiplier, especially for driving bicycles and other drives
DE4124306A1
Torque multiplier for bicycle - has increased pedal starting force using small orbital chain drive gearwheel
DE3837002A1
Operating method and device for a two-stroke double-chamber internal combustion engine with forcibly reversed scavenging flow process
DE3227756A1
Uniflow two-stroke hollow-piston internal combustion engine with a ring zone combustion chamber, the several ignition regions of which are arranged outside the working space and are opened and closed for ignition by means of the transfer ports of the hollow piston
DE2937767A1
Reduction gear combining planet gear and chain drive - has chain drive supported between rotating arms connected to rolling support
ES446359A3
Improvements in two-time combustión machines. (Machine-translation by Google Translate, not legally binding)
