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An electric generator for the production of alternating current and voltage.
An electric motor driven by alternating electric current.
An electric motor driven by alternating electric current.
A dynamic pump that contains impellers provided with vanes to generate centrifugal force to achieve the required pressure head.
An electric generator for the production of direct current and voltage.
An electric motor for operation by direct current.
A positive displacement pump which contains a displacing element intended to be moved in a reciprocating movement to exert pressure on a fluid, typically moving within a cylindrical space.
A positive displacement pump that consists of a chamber containing gears, cams, screws, vanes, plungers or similar elements actuated by relative rotation of the drive shaft or casing and which has no separate inlet and outlet valves.
A physical object that consists of an electric motor and controller that is used to adjust the motor's operating speed.