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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Сторінка 123
... moved 135 ° Centre Line of Main Rod to the point of connection of eccentric rod and link foot is 45 degrees above the horizontal line through the hub centre . In other words , the wheel radius on FIG . 37. - Hypothetical Design of ...
... moved 135 ° Centre Line of Main Rod to the point of connection of eccentric rod and link foot is 45 degrees above the horizontal line through the hub centre . In other words , the wheel radius on FIG . 37. - Hypothetical Design of ...
Сторінка 148
... , while the engine having the Walschaert valve gear was moved out , easily , with the gauge showing thirty - five pounds of steam . FOURTH DIVISION QUESTIONS AND ANSWERS Relating to the Walschaert Valve 148 THE WALSCHAERT VALVE GEAR.
... , while the engine having the Walschaert valve gear was moved out , easily , with the gauge showing thirty - five pounds of steam . FOURTH DIVISION QUESTIONS AND ANSWERS Relating to the Walschaert Valve 148 THE WALSCHAERT VALVE GEAR.
Сторінка 156
... moved far enough to overcome the lap before the opening for lead can begin . Q. 17. Is the further advance of the valve to secure lead necessary ? A. Whether lead is a necessity or not is a matter of argument , but it is being conceded ...
... moved far enough to overcome the lap before the opening for lead can begin . Q. 17. Is the further advance of the valve to secure lead necessary ? A. Whether lead is a necessity or not is a matter of argument , but it is being conceded ...
Сторінка 162
... moved from one corner notch to the other extreme end of the quadrant without changing the position of the valve , the link - block having the same curve to its path as the curve of the link . Q. 29. Is it possible to make any changes in ...
... moved from one corner notch to the other extreme end of the quadrant without changing the position of the valve , the link - block having the same curve to its path as the curve of the link . Q. 29. Is it possible to make any changes in ...
Сторінка 166
... position , either fore or aft , and should be moved enough to correct the error ; or the valve - stem can be lengthened or shortened , but as this induces other minor errors the other method would be 166 THE WALSCHAERT VALVE GEAR.
... position , either fore or aft , and should be moved enough to correct the error ; or the valve - stem can be lengthened or shortened , but as this induces other minor errors the other method would be 166 THE WALSCHAERT VALVE GEAR.
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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