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Originally named Allen Manufacturing Company, the business produced hexagonal set screws and wrenches to fasten them. The terms "Allen wrench" (American English) and "Allen key" (British English) [3] are derived from the Allen brand name and refer to the generic product category "hex keys". W.G. Allen [4] filed the first related patent in 1909 ...
Damper winding. Bars and rings of the damper (amortisseur) winding of an AC generator (General Electric, early 20th century). Note the gaps in the cage along the quadrature axes. The damper winding (also amortisseur winding [1]) is a squirrel-cage -like winding on the rotor of a typical synchronous electric machine.
June 26, 2024 at 6:51 PM. Juliette Michel/AFP/Getty Images. A whistleblower has come forward Wednesday alleging parts of Boeing’s 787 Dreamliner planes were built in an unsafe manner ...
Harmonic balancer lower pulley on a four-cylinder engine. A harmonic damper is a device fitted to the free (accessory drive) end of the crankshaft of an internal combustion engine to counter torsional and resonance vibrations from the crankshaft. This device must be an interference fit to the crankshaft in order to operate in an effective manner.
“It was terrible. It was the worst year ever,” he said. “We still talk about it,” Craig said. “That was the worst, hands down.” Craig said his favorite costume was from “The Fresh ...
The heavily concentrated S&P 500 has enjoyed a boost from the big AI hardware and software companies. But a big bull case ahead comes as the tech actually gets put to work.
selinc .com. Schweitzer Engineering Laboratories, Inc. ( SEL) designs, manufactures, and supports products and services ranging from generator and transmission protection to distribution automation and control systems. Founded in 1982 by Edmund O. Schweitzer III, SEL shipped the world's first digital protective relay. [1]
Jake Lerch (Nvidia): Up 226% over the last 12 months, Nvidia's recent rise will go down in history. The company recently surpassed Microsoft to become the world's most valuable company, with a ...