136594 ⎘
Rotary-piston machines or engines of intermeshing engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing
Sub-classes:Rotary engine, parts thereof, and methods
#2Pump particularly for pumping a liquid such as ink, paint, glue or the like
#3Gas expansion device and method for expanding gas
#4Compressor staking arrangement
#5Hot-air engine
#6Rotary piston machine with an oval rotary piston
#7Rotary piston machine with an oval rotary piston guided in an oval chamber
#8Expandable pistons
#9Low friction turbine engine