F16H39/16 - CPC Classification

Rotary fluid gearing using pumps and motors of the volumetric type, i.e. passing a predetermined volume of fluid per revolution with liquid motor and pump combined in one unit pump and motor being of the same type each with one main shaft and provided with pistons reciprocating in cylinders with cylinders arranged perpendicular to the main axis of the gearing

• F16H39/18 » the connections of the pistons being at the outer ends of the cylinders 4
• F16H39/20 » the connections of the pistons being at the inner ends of the cylinders 6

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