142739 ⎘
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
Sub-classes:PISTON PUMP WITH QUICK EXHAUST SLIDE VALVES
#2PNEUMATIC AUTOMATIC REVERSING TRANSFER PUMP
#3Compressed air driven motor
#4Apparatus for cooling-water extraction for a robot installation plate, having an adjustable extraction volume
#5Hybrid thermodynamic compressor
#6Capstan-driven air pump system for opening and closing a longitudinal railcar door
#7Compressed air driven motor
#8System and method for purifying liquid by reverse osmosis
#9Self-lubricating pump throat seal
#10Negating check valve
#11Pump assembly
#12Ventilation apparatus and uses thereof
#13Zero emission reciprocating drive pump
#14Runaway valve system for a pump
#15Drive mechanism, pump assembly and lubrication system
#16AN AIR-DRIVEN HYDRAULIC PUMP
#17Linear displacement pump with position sensing and related systems and methods
#18Adhesive dispensing system and method including a pump with integrated diagnostics
#19Thermal-operated pump
#20Reciprocating pump with electronically monitored air valve and piston
#21Adhesive dispensing system and method including a pump with integrated diagnostics
#22Bag in box beverage pump
#23Rotary compressor and rotation mechanism
#24Bag in box beverage pump
#25Device and system for monitoring a pneumatically actuated alternating linear displacement pump
#26Reciprocating pump with electronically monitored air valve and piston
#27Control system for reciprocating device
#28Double-action fluid weighing and dispensing process and system
#29Reciprocating piston pump with air valve, detent and poppets
#30Reciprocating pump with electronically monitored air valve having battery and solenoid electronic monitoring
#31Reciprocating Pump with Electronically Monitored Air Valve and Piston
#32Arrangement For Supplying A Liquid Medium To A Teat Of An Animal
#33Fluid pressure operated piston engine apparatus and method
#34Device for Supplying Ink to a Printing Press
#35Diaphragm Pump
#36Fluidic compressor
#37Piston pump with check shaft
#38Sanitary pump and sanitary valve