142721 ⎘
Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having only one pumping chamber rectilinear movement of the pumping member in the working direction being obtained by a single-acting liquid motor, e.g. actuated in the other direction by gravity or a spring with fluid-actuated inlet or outlet valve
FLUID CIRCUIT
#2COMPENSATION OF FLOW VARIATIONS OF A PISTON PUMP AND CONSTANT-RATE AUTOMATED PLACEMENT OF CONCRETE
#3PRESSURE-DRIVEN METERED MIXING DISPENSING PUMPS AND METHODS
#4Hydraulic pressure amplifier arrangement
#5AN APPARATUS AND METHOD FOR COMPRESSING FLUID
#6Pressure-driven metered mixing dispensing pumps and methods
#7Pressure-driven metered mixing dispensing pumps and methods
#8Pressure-driven metered mixing dispensing pumps and methods
#9Travel end expansion valve for piston type pressure converter
#10HYDRAULIC GRAVITY RAM PUMP
#11Piston pump and motor
#12Hydraulic gravity ramp pump
#13Fluid pump and motor unit
#14Hydraulic gravity ram pump
#15Hydraulic gravity ram pump