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, 1912 - 245 стор. |
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Сторінка 57
... exhaust ports more nearly fully opened at the time that they should be so . In American locomotive design outside admission valves are generally of the plane seat , D - slide type , while for inside admission piston valves are , of ...
... exhaust ports more nearly fully opened at the time that they should be so . In American locomotive design outside admission valves are generally of the plane seat , D - slide type , while for inside admission piston valves are , of ...
Сторінка 59
... exhaust steam under the valve must be counteracted upon . With piston valves what stands between the enormous boiler pressure of steam that is now carried and the valve seat ? The answer is " the packing rings . " Are the packing rings ...
... exhaust steam under the valve must be counteracted upon . With piston valves what stands between the enormous boiler pressure of steam that is now carried and the valve seat ? The answer is " the packing rings . " Are the packing rings ...
Сторінка 83
... exhaust it into the large , outside cylinders in which the final expansive power of the steam is obtained , and from which the exhaust to the atmosphere takes place . If the Stephenson valve gear is used on engines of this type it ...
... exhaust it into the large , outside cylinders in which the final expansive power of the steam is obtained , and from which the exhaust to the atmosphere takes place . If the Stephenson valve gear is used on engines of this type it ...
Сторінка 110
... EXHAUST LINE & LINE FIG . 32. - Long's Diagram of Valve Events Effected by Walschaerts ' Motion . motion when the eccentric passes its back centre com- pared with that of the front centre , due to the angu- larity of the eccentric rod ...
... EXHAUST LINE & LINE FIG . 32. - Long's Diagram of Valve Events Effected by Walschaerts ' Motion . motion when the eccentric passes its back centre com- pared with that of the front centre , due to the angu- larity of the eccentric rod ...
Сторінка 115
... Exhaust FIG . 33. - Combination of the Reauleaux and Zeuner Diagrams . the perpendicular distance from the line CS to the centre O of the diagram . The crank will then be in position OS when the valve commences to open , or the angle ...
... Exhaust FIG . 33. - Combination of the Reauleaux and Zeuner Diagrams . the perpendicular distance from the line CS to the centre O of the diagram . The crank will then be in position OS when the valve commences to open , or the angle ...
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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 eccentric to valve Egide Walschaert equal equipped exact centre exactly exhaust forward full gear hub centre inches inside admission valves length link foot link fulcrum live steam lost motion lower end main crank-pin main rod main-pin main-valve moved pin hole piston valve port opening position quadrant radius bar radius rod return crank reverse lever reverse shaft rocker rocker-arm schaert shortened side steam chest steam lap Stephenson link motion stroke tion transmission bar trunnion 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