An electric generator for the production of alternating current and voltage.

An electric motor driven by alternating electric current.

A dynamic compressor in which the gas is accelerated by the action of a bladed rotor and where the main flow is along the rotation axis of the rotor.

A dynamic compressor in which one ore more impellers accelerate the gas and where the main flow through the impeller is radial.

A dynamic pump that contains impellers provided with vanes to generate centrifugal force to achieve the required pressure head.

A physical object that is driven by a prime mover by which energy is either constantly or periodically added to an amount of gas in order to increase its pressure.

An internal combustion engine in which ignition of the fuel injected into the cylinder is performed by the heat of compression of the air charge.

An electric generator for the production of direct current and voltage.

An electric motor for operation by direct current.

An energy transducer that transforms non-electric energy into electric energy.

An electric machine for transforming electric energy into mechanical energy.

An internal combustion engine that is an induction compression ignition exhaust engine which ignites a fuel air mixture.

An internal combustion engine that is a reciprocating engine in which gaseous fuel is mixed with air to form a combustible mixture in a cylinder which is fired by spark ignition.

A turbine that compresses air which is then mixed with fuel for combustion and expansion through a turbine section to generate relatively high power output for either mechanical drive or power generation.

A physical object that is a casing with an arrangement of two or more gear-wheels transmitting rotating motion from the input shaft to the output shaft.

A motor that is intended to generate power by means of high pressure oil.

A turbine in which liquid forces are driving the rotor by the reaction of acceleration of subject liquid flow in the runner while the pressure drops.

An internal combustion engine that is an induction compression ignition exhaust engine which ignites a petrol air mixture with an electric spark.

A motor that is driven by compressed gas. Typically air.

A positive displacement compressor in which forced reduction of gas volume takes place by the movement of a displacing element in a cylinder or enclosure.

A positive displacement compressor in which compression displacement is effected by the positive action of rotating elements.

A thermodynamic turbine in which steam is made to do work by expanding so as to create kinetic energy by acting on moving blades attached to a disc or drum.

A physical object that is intended to rotate within a fluid and to transform energy within a fluid into mechanical power.

A physical object that consists of an electric motor and controller that is used to adjust the motor's operating speed.