F01B13/063 - CPC Classification

Reciprocating-piston machines or engines with rotating cylinders in order to obtain the reciprocating-piston motion with more than one cylinder in star arrangement the connection of the pistons with the actuated or actuating element being at the outer ends of the cylinders with two or more series radial piston-cylinder units

• F01B13/064 » {cylinder block and actuating or actuated cam both rotating } 0
• F01B13/065 » {directly located side by side} 1