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2. EcoFlow - Wikipedia

   en.wikipedia.org/wiki/EcoFlow

   EcoFlow was founded in May 2017 by Bruce Wang. [4] They started with the launch of the RIVER mobile power station. [5] By 2019, the company expanded to Tokyo, Japan and introduced the DELTA 1300 with faster charging. [6]

3. Gas generator - Wikipedia

   en.wikipedia.org/wiki/Gas_generator

   A gas generator is a device for generating gas. 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 ...

4. Engine–generator - Wikipedia

   en.wikipedia.org/wiki/Engine–generator

   [9] [10] Using portable generators in garages, or near open windows or air conditioning vents can also result in carbon monoxide poisoning. [11] Additionally, it is important to prevent backfeeding when using a portable engine generator, which can harm utility workers or people in other buildings. Before turning on a diesel- or gasoline-powered ...

5. Air-cooled engine - Wikipedia

   en.wikipedia.org/wiki/Air-cooled_engine

   Air-cooled engines rely on the circulation of air directly over heat dissipation fins or hot areas of the engine to cool them in order to keep the engine within operating temperatures. Air-cooled designs are far simpler than their liquid-cooled counterparts, which require a separate radiator , coolant reservoir, piping and pumps.

6. Hydrogen-cooled turbo generator - Wikipedia

   en.wikipedia.org/.../Hydrogen-cooled_turbo_generator

   The bearings have to be leak-tight. A hermetic seal, usually a liquid seal, is employed; a turbine oil at pressure higher than the hydrogen inside is typically used. A metal, e.g. brass, ring is pressed by springs onto the generator shaft, the oil is forced under pressure between the ring and the shaft; part of the oil flows into the hydrogen side of the generator, another part to the air side.

7. Air-start system - Wikipedia

   en.wikipedia.org/wiki/Air-start_system

   Compressed air has been used to start gas turbine engines using air impingement starting (in which air is directed at the engine turbine blades through nozzles in the turbine casing, used on US Navy General Electric J79 engines). It is much more efficient to use an air turbine starter (ATS) which is usually mounted on an accessory gearbox. [5]