A volumetric pump and its driving mechanism
A volumetric pump comprising a driving mechanism
A.c. operated oscillating armature aquarium pump
Above the motor bellows expansion member for a submersible pump
Above-ground storage system
Abrasion resistant pump thrust bearing
Abrasive slurry handling valves
Access cover for pressurized connector spool
Accumulator drain
Achromatic unit magnification optical system
Acid proof pump seal equipment
Acoustic chamber
Acoustic liner and a fluid pressurizing device and method...
Acoustic muffler for a hermetic compressor
Active check valves in diaphragm pump with solenoid drive
Active intake pressure control of downhole pump assemblies
Actuating mechanism for fluid pump inlet closure valve
Actuator mechanism for pump sealing apparatus
Actuator valve for pressure switch for a fluidic system
Actuator valve for pressure switch for a fluidic system