Axial flow turbine air economizer

Connection between vane arm and unison ring in variable area sta

Diffuser including a rotary stage

Exhaust gas turbocharger

Flow regulator for a water pump

Intake and exhaust damper with movable motor fan assembly

Pre-whirl generator for radial compressor

Pump with selectable suction ports

Regulating valve for engines operated by a medium under pressure

Stator vane assembly

Stator vane stage actuated by an automatically-centering...

Storm choke apparatus for submergible pumps

Tandem guide vanes

Turbine with adjustable vanes

Variable control mechanism

Variable stator vane lever arm assembly and method of...

Ventilation fan

Ventilation fan

Ventilation fan