The Walschaert and Other Modern Radial Valve Gears for Locomotives: A Practical Treatise on the Locomitive Valve Actuating Mechanism Invented by Egide Walschaerts, with the History of Its Development and Its Evolution Into the Mechanically Correct Locomotive Valve Gear of the Present Day ...Norman W. Henley publishing Company, 1913 - 245 стор. |
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Результати 1-5 із 42
Сторінка 17
... opening through this " spool , " as the whole valve , complete , is termed , ―is closed . It is claimed for the piston valve , by its friends , that it is a perfectly balanced valve — with an " open spool " ; but while it is evenly ...
... opening through this " spool , " as the whole valve , complete , is termed , ―is closed . It is claimed for the piston valve , by its friends , that it is a perfectly balanced valve — with an " open spool " ; but while it is evenly ...
Сторінка 20
... opening for admission of steam to the cylinder must be one - fourth of the cycle of motion ahead of the piston . Therefore , if the connection from eccentric to valve is through a direct line 20 THE WALSCHAERT VALVE GEAR.
... opening for admission of steam to the cylinder must be one - fourth of the cycle of motion ahead of the piston . Therefore , if the connection from eccentric to valve is through a direct line 20 THE WALSCHAERT VALVE GEAR.
Сторінка 25
... opening of the admission port takes place sooner : The amount of advance of the eccentric necessary to secure the decided port opening for lead depends on the amount of outside lap of the valve , because the advance of the valve must be ...
... opening of the admission port takes place sooner : The amount of advance of the eccentric necessary to secure the decided port opening for lead depends on the amount of outside lap of the valve , because the advance of the valve must be ...
Сторінка 30
... opening for lead is one- thirty - second ( 32 ) inch , the distance between the vertical lines through the centres of the pin holes in the upper part of the combination lever must - as the engine stands in Fig . 5 - be just one and one ...
... opening for lead is one- thirty - second ( 32 ) inch , the distance between the vertical lines through the centres of the pin holes in the upper part of the combination lever must - as the engine stands in Fig . 5 - be just one and one ...
Сторінка 31
... one and one - thirty - second ( 132 ) inches ( we are assuming that the valve has one ( 1 ) inch outside , or steam , lap , and one - thirty - second ( 2 ) inch is expected to be the amount of port opening THE WALSCHAERT VALVE GEAR 31.
... one and one - thirty - second ( 132 ) inches ( we are assuming that the valve has one ( 1 ) inch outside , or steam , lap , and one - thirty - second ( 2 ) inch is expected to be the amount of port opening THE WALSCHAERT VALVE GEAR 31.
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Загальні терміни та фрази
90 degrees actuated admission port ahead Air Brake American Locomotive Company angle axle back end backward Baldwin Locomotive bell crank bination lever block boiler combination lever compression valve crosshead link cut-off D-slide valve dead centre diagrams direction disconnected distance driving wheels eccentric crank eccentric rod Egide Walschaert equal equipped exact centre exactly exhaust forward full gear Hobart-Allfree hub centre inches inside admission valves lap and lead length link foot link fulcrum live steam lost motion lower end main crank-pin main rod main valve main-pin moved pin hole piston valve port opening position quadrant radius bar radius rod reach rod return crank reverse lever reverse shaft rocker rocker-arm schaert shortened side steam lap Stephenson link motion stroke tion transmission bar upper end valve events valve motion valve rod valve stem valve-stem valves of inside vertical Walschaert eccentric Walschaert gear Walschaert motion Walschaert valve gear yoke