142258 ⎘
Reciprocating-piston liquid engines with single cylinder, double-acting piston
Sub-classes:Fluid-driven linear motor
#2Pumping system and fluid delivery installation
#3Fluid driven solar panel cleaning system
#4Rotational mechanical transformer apparatus and methods
#5Hydraulic motor capable of many different applications able to use low-pressure or high-pressure fluids to operate
#6Linear Drive
#7Hydraulic motor
#8Hydraulic drive
#9Combined piston fluid motor and pump
#10Piston ring for floating piston in a thermal energy storage system