142738 ⎘
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 the movement of the pump piston in the two directions being obtained by two single-acting piston fluid motors, each acting in one direction
Pressurized-gas powered compressor and system comprising same
#2Gas compression system
#3PRESSURIZED-GAS POWERED COMPRESSOR AND SYSTEM COMPRISING SAME
#4Liquid additive injection pump with mixing chamber and one way valve
#5Pressure driven pumping system
#6Shaft coupling and shifting mechanism for pneumatic pump