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Epic Games, Inc. is an American video game and software developer and publisher based in Cary, North Carolina.The company was founded by Tim Sweeney as Potomac Computer Systems in 1991, originally located in his parents' house in Potomac, Maryland.
Operation required several valves; at the start of a cycle, when the reservoir was empty, a valve would be opened to admit steam. This valve would be closed to seal the reservoir, and the cooling water valve would be opened to condense the steam and create a partial vacuum.
Period cutaway diagram of a triple-expansion steam engine installation, circa 1918. This particular diagram illustrates possible engine cutoff locations, after the Lusitania disaster and others made it clear that this was an important safety feature. A marine steam engine is a steam engine that is used to power a ship or boat.
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Three views of a c.1885 steam trap. The general appearance of this arrangement is as in Fig. 1 or Fig. 3, the center view, Fig. 2, shows the cardinal feature of this trap, that it contains a collector for silt, sand, or sediment which is not, as in most other traps of the time, carried out through the valve with the efflux of water.
On gas-turbine powered ships, an electromagnetic catapult would eliminate the need for a separate steam boiler for generating catapult steam. The U.S. Navy's Gerald R. Ford -class aircraft carriers and PLA Navy's Type 003 aircraft carrier included electromagnetic catapults in their design.
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