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2. Generac - Wikipedia

   en.wikipedia.org/wiki/Generac

   Generac Holdings Inc., commonly referred to as Generac (derived from a combination of generating and AC ), is a Fortune 1000 American manufacturer of backup power generation products for residential, light commercial and industrial markets. [6] Generac's power systems range in output from 800 watts to 9 megawatts, [7] and are available through ...

3. Free-piston engine - Wikipedia

   en.wikipedia.org/wiki/Free-piston_engine

   Free-piston engine used as a gas generator to drive a turbine. A free-piston engine is a linear, 'crankless' internal combustion engine, in which the piston motion is not controlled by a crankshaft but determined by the interaction of forces from the combustion chamber gases, a rebound device (e.g., a piston in a closed cylinder) and a load device (e.g. a gas compressor or a linear alternator).

4. Gas generator - Wikipedia

   en.wikipedia.org/wiki/Gas_generator

   A gas generator may create gas by a chemical reaction or from a solid or liquid source, when storing a pressurized gas is undesirable or impractical. The term often refers to a device that uses a rocket propellant to generate large quantities of gas. The gas is typically used to drive a turbine rather than to provide thrust as in a rocket engine.

5. Engine-generator - Wikipedia

   en.wikipedia.org/wiki/Engine-generator

   Engine-generator. An engine–generator is the combination of an electrical generator and an engine ( prime mover) mounted together to form a single piece of equipment. This combination is also called an engine–generator set or a gen-set. In many contexts, the engine is taken for granted and the combined unit is simply called a generator.

6. Stirling engine - Wikipedia

   en.wikipedia.org/wiki/Stirling_engine

   A Stirling engine is a heat engine that is operated by the cyclic expansion and contraction of air or other gas (the working fluid) by exposing it to different temperatures, resulting in a net conversion of heat energy to mechanical work. [1] [2] More specifically, the Stirling engine is a closed-cycle regenerative heat engine, with a permanent ...

7. Staged combustion cycle - Wikipedia

   en.wikipedia.org/wiki/Staged_combustion_cycle

   After being run through a turbine to power the pumps, the gas is injected into the combustion chamber and burned with the remaining oxidizer. The staged combustion cycle (sometimes known as topping cycle, preburner cycle, or closed cycle) is a power cycle of a bipropellant rocket engine. In the staged combustion cycle, propellant flows through ...