Downhole roller vane motor and roller vane pump
Drill motor assembly
Drive for a screw pump
Drive means
Drive shaft for compressor
Drive system for the orbiting scroll of a scroll type fluid...
Driven equipment for fluid machinery
Driveshaft arrangement for a rotary expansible chamber device
Dry air rotary pump or compressor
Dry-compressing screw pump
Dual arc vane pump
Dual flow single cell rotary compressor
Dual pitch multiphase screw pump
Dual revolving vane meter-motor-pump
Dual seal system for roots blower
Dual-walled exhaust tube for vacuum pump
Eccentric screw pump
Eccentric screw pump equipped with erosion-resistant rotor
Eccentric screw pump having conical sealing surfaces
Eccentric screw pump with fully lined stator