142744 ⎘
Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being elastic, e.g. steam or air having only one pumping chamber rectilinear movement of the pumping member in the working direction being obtained by a single-acting elastic-fluid motor, e.g. actuated in the other direction by gravity or a spring with fluid-actuated inlet or outlet valve
MEDICAL FLUID THERAPY MACHINE INCLUDING PNEUMATIC PUMP BOX AND ACCUMULATORS THEREFORE
#2Medical fluid therapy machine including pneumatic pump box and accumulators therefore
#3Inner static electricity eliminating control valve for organic solvent delivery pipelines
#4Piston pump and motor
#5Disposable container for solvent contaminated wipes
#6Compressed air operated fluid pump applied to oil wells