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 121
... obtained in the use of valves of internal admission vs. external admission . Theoretically , the Walschaert eccentric is placed exactly 90 degrees of the wheel's circle from the main crank - pin , and it has been referred to in this ...
... obtained in the use of valves of internal admission vs. external admission . Theoretically , the Walschaert eccentric is placed exactly 90 degrees of the wheel's circle from the main crank - pin , and it has been referred to in this ...
Сторінка 126
... obtained from the use of the D - slide valve and outside admission . It will be noted that the action is practically identical in both cases , the steam admission taking place at the point 7 , and the exhaust closure occurring and ...
... obtained from the use of the D - slide valve and outside admission . It will be noted that the action is practically identical in both cases , the steam admission taking place at the point 7 , and the exhaust closure occurring and ...
Сторінка 139
... of wear , the results obtained from the L. S. & M. S. engine proves the superiority of the Walschaert valve gear ; the following statement is from the Super- intendent of Motive Power of that road , Mr. H. THE WALSCHAERT VALVE GEAR 139.
... of wear , the results obtained from the L. S. & M. S. engine proves the superiority of the Walschaert valve gear ; the following statement is from the Super- intendent of Motive Power of that road , Mr. H. THE WALSCHAERT VALVE GEAR 139.
Сторінка 154
... motion ? A. Yes , the very slight amount of compressible resistance that is deemed necessary may be so obtained , by a suitable design of valve motion . Q. 11. - How is the advance of the valve 154 THE WALSCHAERT VALVE GEAR.
... motion ? A. Yes , the very slight amount of compressible resistance that is deemed necessary may be so obtained , by a suitable design of valve motion . Q. 11. - How is the advance of the valve 154 THE WALSCHAERT VALVE GEAR.
Сторінка 155
... obtained with the Walschaert gear ? A. In the Walschaert valve gear lead is obtained from the straight - line motion of the piston , instead of from the circular motion of the axle with its errors incidental to the angularity of the ...
... obtained with the Walschaert gear ? A. In the Walschaert valve gear lead is obtained from the straight - line motion of the piston , instead of from the circular motion of the axle with its errors incidental to the angularity of the ...
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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