File:Steam turbines; a practical and theoretical treatise for engineers and students, including a discussion of the gas turbine (1917) (14779641674).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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3Lf^O£ pL/tfCHBD dcRoa L <=?$/*so Fig. 96. Method of Lashing Westinghouse Blades. by Fig. 96. The lashing wire, which is drawn to have a cross-section resembling a comma, binds the blades together firmlyenough to give adequate strength for normal service, yet, unlikea very rigid blade construction, it will yield in emergencies without COMMERCIAL TYPES 203 seriously damaging other parts of the turbine. The blades arelashed in sections three feet long. Because of the peculiar shapeof the section of the lashing wire, it can be calked at the end sothat a key remains in the punched hole to prevent the blade
Text Appearing After Image:
ALLIS-CHALMERS CO PATENTED , \\ Fig. 07. Sankeys Blading for Parsons Turbines. from getting out of line. In many respects it is practically aseffective as a shroud ring. A type of blading for Parsons turbines, patented by H. R.Sankey in 1903, has been applied with certain modifications inthe Allis-Chalmers and the Willans turbines. A typical illus-tration of this blading is shown in Fig. 97. It is distinguished 204 THE STEAM TURBINE principally from the usual Parsons blading by the attachment ofa U-shaped shroud ring, B, around both the moving and thestationary blades. The blades are cut to the required length from bars of copperalloy drawn, like wire, to a suitable shape. After the bladesare cut from the bar, they are formed in machine tools ofspecial design, so that at the root they have an angular dove-tail shape as illustrated in the figure, where the blades are showninserted in a suitable foundation ring, A. After this foundationring is turned to the proper diameter, dovetail slo

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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:222
  • bookcollection:library_of_congress
  • bookcollection:americana
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30 July 2014
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