142305 ⎘
Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders distributing members
Sub-classes:Cylinder on demand hydraulic device
#2VARIABLE CONTROLLED RECIPROCATION DEVICE FOR FLUIDS
#3Variable displacement pump-motor
#4METHOD OF OPERATING A PUMP/MOTOR
#5Hydraulic motor driving device
#6Hydraulic stepless speed changer and power transmission device