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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.
Generac Holdings Inc., commonly referred to as Generac (derived from a combination of generating and AC ), is a Fortune 1000 American manufacturer of backup power generation products for residential, light commercial and industrial markets. [6] Generac's power systems range in output from 800 watts to 9 megawatts, [7] and are available through ...
MATT OTT. June 13, 2024 at 10:46 AM. The number of Americans filing for jobless benefits jumped to the highest level in 10 months last week, a sign that the labor market is likely cooling under ...
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A Stockbridge damper is a tuned mass damper used to suppress wind-induced vibrations on slender structures such as overhead power lines, [1] long cantilevered signs [2] and cable-stayed bridges. The dumbbell -shaped device consists of two masses at the ends of a short length of cable or flexible rod, which is clamped at its middle to the main ...
RKLB Free Cash Flow data by YCharts. Is the stock a buy? Today, Rocket Lab has a market cap of $2.4 billion. That is an approximate 8x multiple of price-to-sales (P/S) versus its trailing-12-month ...
Many states are failing to track how frequently children in foster care facilities are abused, sexually assaulted or improperly restrained, leaving them vulnerable to mistreatment, the U.S. Health ...