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  2. Damper winding - Wikipedia

    en.wikipedia.org/wiki/Damper_winding

    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.

  3. Wagner Electric - Wikipedia

    en.wikipedia.org/wiki/Wagner_Electric

    Wagner Electric Corporation was founded by Herbert Appleton Wagner and Ferdinand Schwedtmann (aka Francis Charles Schwedtman) in 1891. The company manufactured electric engines, electric motors and electric starters for early automobiles. They also made electric lights and many other electric-related products.

  4. Allen (brand) - Wikipedia

    en.wikipedia.org/wiki/Allen_(brand)

    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 ...

  5. Heating, ventilation, and air conditioning - Wikipedia

    en.wikipedia.org/wiki/Heating,_ventilation,_and...

    Free cooling systems can have very high efficiencies, and are sometimes combined with seasonal thermal energy storage so that the cold of winter can be used for summer air conditioning. Common storage mediums are deep aquifers or a natural underground rock mass accessed via a cluster of small-diameter, heat-exchanger-equipped boreholes.

  6. Harmonic damper - Wikipedia

    en.wikipedia.org/wiki/Harmonic_damper

    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.

  7. Rockwell Automation - Wikipedia

    en.wikipedia.org/wiki/Rockwell_Automation

    Rockwell Automation began in 1903 as the Compression Rheostat Launch Company. It was founded by Lynde Bradley and Dr. Stanton Allen with an initial investment of $1000. [2] In 1904, 19-year-old Harry Bradley joined his brother in the business. The company's first patented product was a carbon disc compression-type motor controller for ...

  8. Panavia Tornado - Wikipedia

    en.wikipedia.org/wiki/Panavia_Tornado

    BAE Systems announced that, in December 2013, it had test-flown a Tornado equipped with parts made by 3D printing. The parts included a protective cover for the radio, a landing-gear guard and air-intake door support struts. The test demonstrated the feasibility of making replacement parts quickly and cheaply at the air base hosting the Tornado.

  9. Northern Tool - Wikipedia

    en.wikipedia.org/wiki/Northern_Tool

    Northern Tool + Equipment (commonly referred to as Northern Tool) is a manufacturer and retailer of light industrial equipment and do-it-yourself supplies.Founded in 1981 as Northern Hydraulics, the company was officially renamed to Northern Tool + Equipment and is the owner of several private label brands including NorthStar, Powerhorse, Klutch, Strongway, Ultra-Tow, Roughneck, Gravel Gear ...