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A damper winding is a squirrel-cage-like winding on the rotor of a synchronous electric machine that dampens oscillations and facilitates start-up. Learn about its history, construction, and applications from various sources.
Schweitzer Engineering Laboratories (SEL) is a private company that designs and manufactures products and services for electric power systems. Founded in 1982 by Edmund O. Schweitzer III, SEL is headquartered in Pullman, Washington and has operations in 24 countries.
Menards is a private company founded by John Menard Jr. in 1960 and headquartered in Eau Claire, Wisconsin. It has 351 stores in 15 states, mostly in the Midwest, and sells building materials, tools, hardware, groceries, and other products.
Retailers like Amazon, Walmart, and Tractor Supply Co. are offering up to 40 percent off portable generators during Labor Day, with the best-selling Champion 2,500-Watt Dual-Fuel model down to ...
Northern Tool is a private company that sells and manufactures light industrial equipment and do-it-yourself supplies. Founded in 1981 by Don Kotula, it has 130 stores and several private label brands, and was formerly a NASCAR sponsor.
Walmart is an American multinational retail corporation that operates a chain of hypermarkets, discount department stores, and grocery stores worldwide. Learn about its founder Sam Walton, its expansion, its subsidiaries, its revenue, its employees, and its controversies.
A harmonic damper is a device fitted to the crankshaft of an internal combustion engine to counter torsional and resonance vibrations. It is essential for engines with long crankshafts or uneven firing order, and it may also serve as a pulley for the accessory drive belts.
W. H. Allen Co. Original York Street, Lambeth Works in 1880. The Company, initially known as W. H. Allen & Co was founded in 1880 by William Henry Allen as a manufacturer of centrifugal pumps and steam engines in York Street, Lambeth, London. [1] [2] Electric light generating machinery followed with the support of Gisbert Kapp.