Actuator driven by pressure change of fluid
Air pump vane assembly
Articulated vane fluid driven motor
Centrifugal positive displacement device
Ceramic hardfacing for progressing cavity pump rotors
Clearance-controlling means comprising abradable layer and abras
Compressor with vanes made of composite material including carbo
Curved spiral pump
Cylinder and housing assembly for pneumatic tool
Cylindrical pump device having a flexible blade member
Displacement machine including at least two adjacent working...
Flexible conformable vanes made of carbonaceous materials
Flexible vane pump
Fluid driven motor having improved blade construction
Fluid motor having reduced lubrication requirement
Forced compression type pump
Gear-type positive-displacement machine
Geared pump for conveying fluids
Gerotor pump with ceramic ring
High efficiency rotary vane motor