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Collects steam at the top of the boiler (well above the water level) so that it can be fed to the engine via the main steam pipe, or dry pipe, and the regulator/throttle valve. [2] [5] [6]: 211–212 [3]: 26 Air pump / Air compressor Westinghouse pump (US+) Powered by steam, it compresses air for operating the train air brake system.
Steam is diverted from the exhaust steam pipes into the water tanks via condensing pipes within the same tanks. [5] The water in the tanks could quickly heat up near boiling point, reducing the condensing effect on the exhaust steam. It was not unknown for the tanks to be emptied and refilled with cold water on a regular basis.
In a steam heating system, each room is equipped with a radiator which is connected to a source of low-pressure steam (a boiler). Steam entering the radiator condenses and gives up its latent heat, returning to liquid water. The radiator in turn heats the air of the room, and provides some direct radiant heat. The condensate water returns to ...
In one case, a 2,600 US gallons per minute (160 L/s) steam condensate pump exploded when it was operated with its suction and discharge valves closed. The force of the explosion was such that it propelled a 5-pound (2.3 kg) piece of metal casing over 400 feet (120 m) away from the site of the explosion. [2]
A cast iron radiator with single-pipe steam supply and radiator air vent. Steam has the advantage of flowing through pipes under its own pressure without the need for pumping. For this reason, it was adopted earlier, before electric motors and pumps became available. Steam is also far easier to distribute than hot water throughout large, tall ...
Southern valve gear was devised by locomotive designers on the Southern Railway and used on many locomotives on that line. The first patent was issued to Wm. Sherman Brown in 1906.
A dry valve acts as an air vent until a dribble of water passes through it and swells the cartridge. If the valve dries out again, it re-opens. A characteristic of these valves is that they function best on the hot delivery side of a radiator and may not open as vents unless the water supply is hot. [8]
Contract with Phoenix Power Group amended to substitute the delivery of two "WHE-25" (a small, simple steam engine) for the two Mark V engines in the original contract. However, the contract continues to state "Cyclone continues to use its best efforts to deliver two Mark V working prototype engines to Phoenix as soon as possible." [8] April, 2011