142740 ⎘
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 reciprocating movement of the pumping member being obtained by a double-acting elastic-fluid motor one side of the double-acting piston fluid motor being always under the influence of the fluid under pressure
Drive mechanism, pump assembly and lubrication system
#2Pump for removing liquids from vessels under vacuum
#3Bag in box beverage pump
#4Bag in box beverage pump
#5Method for compressing gaseous fuel for fuelling vehicle and device for implementation thereof