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File:Steam turbines; a practical and theoretical treatise for engineers and students, including a discussion of the gas turbine (1917) (14782063535).jpg

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Identifier: steamturbinespra00moye (find matches)
Title: Steam turbines; a practical and theoretical treatise for engineers and students, including a discussion of the gas turbine
Year: 1917 (1910s)
Authors: Moyer, James Ambrose, 1875-
Subjects: Steam-turbines
Publisher: New York, Wiley
Contributing Library: The Library of Congress
Digitizing Sponsor: The Library of Congress

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282 THE STEAM TURBINE give the signal, as we may say, which sets in motion an auxil-iary mechanism by which the valves are moved by gearing con-nected to the main shaft or by steam or hydraulic pressure. InCurtis turbines of all sizes up to 500 kilowatts the valves areoperated mechanically, and for larger sizes a hydraulic apparatusis used. Electromagnetic Control of Valves. Formerly, in large Curtisturbines, the valves opening the nozzles were operated by thepressure of steam admitted through a port opened and closed bya pilot valve controlled by electromagnets. The governorwas connected to a very simple mechanism for the purpose ofmaking and breaking the current through the electromagnets,which, in turn, moved the pilot valves operating the mainvalves on the turbine. Mechanical Valve Control. One of the recent developmentsin the valve gears for large turbines governed by cutting outnozzles is the successful replacing of the electromagnetic relayoutfit formerly used on Curtis turbine

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Author Moyer, James Ambrose, 1875-
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  • bookid:steamturbinespra00moye
  • bookyear:1917
  • bookdecade:1910
  • bookcentury:1900
  • bookauthor:Moyer__James_Ambrose__1875_
  • booksubject:Steam_turbines
  • bookpublisher:New_York__Wiley
  • bookcontributor:The_Library_of_Congress
  • booksponsor:The_Library_of_Congress
  • bookleafnumber:300
  • bookcollection:library_of_congress
  • bookcollection:americana
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30 July 2014
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current12:08, 7 September 2015Thumbnail for version as of 12:08, 7 September 20153,488 × 1,872 (772 KB)SteinsplitterBot (talk | contribs)Bot: Image rotated by 90°
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