Rotary engine and method for determining engagement surface...
Rotary interengaging worm and worm wheel with specific tooth sha
Rotary machine for a compression or an expansion of a...
Rotary piston machine
Rotary piston machine having engaging cycloidal gears
Rotary piston machines comprising a displaceable inner housing
Rotary piston machines comprising a displaceable inner housing
Rotary piston pump
Rotary positive displacement engine
Rotary positive displacement mechanism
Rotary screw gas compressor having dual slide valves