Fluid rotary apparatus having tapered rotors
Fluid rotating apparatus with rotor communicating path
Fluid rotating apparatus with sealing arrangement
Force pump
Fositive displacement pulse free rotary fluid pump
Gapless screw rotor device
Gas compressor having a pair of housing heads
Gas rotary screw compressor
Gear pump having an inlet port aligned with the drive shaft
Gradationally contracted screw compression equipment
Helical gear machine with improved high pressure port
Helical screw rotor profiles
High efficiency gear pump for pumping highly viscous fluids
High speed rotating apparatus having face-to-face angular contac
High speed rotating apparatus having face-to-face contact ball b
Hydraulic rotary screw machine with axial balancing piston
Hydraulic screw machine
Hydraulic screw machine with balance plunger
Inlet port opening for a roots-type blower
Intermeshing screw rotor machine with specific thread profile