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The Viessmann Group is a German manufacturer of heating and refrigeration systems headquartered in Allendorf (Eder), Germany. With 22 production companies in 12 countries, distribution companies and representative offices in 74 countries and 120 sales offices throughout the world, Viessmann is international in its orientation.
Steam locomotive exhaust systems (13 P) Pages in category "Steam boiler components" The following 26 pages are in this category, out of 26 total.
Internal layout of a three-pass fire-tube boiler. Package boilers are commonly called water or fire tube Boilers. Water tube boilers use convection heating, which draws the heat from the fire source, and passes against the generating tubes of the boiler, causing water inside those tubes to boil off into steam.
The only railway use of water-tube boilers in any numbers was the Brotan boiler, invented by Johann Brotan in Austria in 1902, and found in rare examples throughout Europe, although Hungary was a keen user and had around 1,000 of them. Like the Baldwin, it combined a water-tube firebox with a fire-tube barrel.
A means had to be provided, of course, to put the initial charge of water into the boiler (before steam power was available to operate the steam-powered feedwater pump). The pump was often a positive displacement pump that had steam valves and cylinders at one end and feedwater cylinders at the other end; no crankshaft was required.
The fire-tube type boiler that was used in the Stanley Steamer automobile had several hundred tubes which were weaker than the outer shell of the boiler, making an explosion virtually impossible as the tubes would fail and leak long before the boiler exploded. In nearly 100 years since Stanley boilers were first produced, not one has ever exploded.
Monotube steam generators may either boil gradually along their length, usually pumped circulation systems, [2] but where this boiling does not disrupt the circulation. Otherwise they can use the Benson supercritical system , where the pressure is sufficient to prevent boiling (within the heated volume) altogether.
The United States Navy used Worthington pumps to pump boiler feed water, bilge water, and water for fire fighting and general services aboard various ships during the American Civil War, including the USS Monitor. [3] After Henry Worthington died in 1880 he was succeeded by his son Charles Campbell Worthington (1854–1944).