143027 ⎘
Machines, pumps, or pumping installations having flexible working members; Special features the periphery of the flexible member being not fixed to the pump-casing, but acting as a valve
DEVICE FOR GENERATING A FLUID FLOW
#2Cyclic operating pumping method and system
#3Linear peristaltic metering pump
#4Undulating-membrane fluid circulator
#5Controlled crinkle diaphragm pump
#6Electro-mechanical pump for negative-pressure treatment
#7Disc pump with perimeter valve configuration
#8Diaphragm circulator
#9Rocking piston type compressor
#10Diaphragm pump with a crinkle diaphragm of improved efficiency
#11Crinkle diaphragm pump
#12Diaphragm circulator
#13Double disc pump with fixed housing block
#14Fluid circulator with rigid diaphragm