Inhaltsangabe
This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated.1886 Excerpt: ... 134 THE SLIDE VALVE PRACTICALLY CONSIDERED. been reached under an expansion of six times if.the initial pressure of 120 had been used. It is, therefore, evident that to fully realize the advantages of high ranges of expansion high initial pressures must be attempted, and although practical difficulties will be thereby encountered, as Mr. Perkins has found to his cost, there is no doubt that efforts for further economy in the use of steam must point that way. INDEX rkax Action of expansion..73 „ of the slide valve..... 9, 57 „ of the steam.. £.... 11 „ of the steam in the cylinder.... s. 73 „ of the valve to cause exhaust... i. 9 Advantage of double and treble ported valves....24 Angle of eccentric 35, 42, 65 Arcs of grade of expansion. » 39, 40, 42, 59, 65 Area of cylinder 9 „ of exhaust port 3 „ of passage 103 „ of steam openings 107 „ of steam ports 2 Arrangement of equilibrium valves 14,15 of the ports... 2,3,14,15,24,26 „ of the slide valve and ports in the cylinder. 106 Bar, consideration of 3,11,19, 25 „ width of 3,10,17,21,25,29 Bolts, diameter of. 106 „ pitch of. 106 Casing bolts.......... 106 „ cover of.. 112 „ flange of 112 „ flange, position of 112 „ steam 107 „ strains, inside 112 „ thickness of 112 Chord of exhaustion 35 „ of expansion 35 „ of neutrality 35 „ of supply 35,64 Common slide valve 1, 2, 8 „ „ rules.. 3, 7 Compression, cause of 11, 37 „ chord of 35 Connecting rod, length of....... 36 „ position of, to slide valve....38 Crank path 41, 42 „ pin path, delineation of-43 „ „ divisions of 41, 42 „ position of 39, 42 Cushioning, cause of 11 Cylinder, area of.. 2, 7...
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