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 56
... length of the link itself . It was found that the point of suspension had a great influence on the motion delivered to the valve , and this point regularly varied in most types of the gear from the effect of the different angles assumed ...
... length of the link itself . It was found that the point of suspension had a great influence on the motion delivered to the valve , and this point regularly varied in most types of the gear from the effect of the different angles assumed ...
Сторінка 90
... length , to keep down the effect of the angularity it was necessary to reduce as much as possible the movement of the eccentric rod . Notwithstanding its differences the mechanism de- scribed in the patent of 1844 is in principle ...
... length , to keep down the effect of the angularity it was necessary to reduce as much as possible the movement of the eccentric rod . Notwithstanding its differences the mechanism de- scribed in the patent of 1844 is in principle ...
Сторінка 98
... lever . e Crosshead link .. f Link radius rod . g Reverse link . h Location of combination lever on crosshead . k Length of eccentric crank . 2. Check eccentric throw to see that it is exactly 98 THE WALSCHAERT VALVE GEAR.
... lever . e Crosshead link .. f Link radius rod . g Reverse link . h Location of combination lever on crosshead . k Length of eccentric crank . 2. Check eccentric throw to see that it is exactly 98 THE WALSCHAERT VALVE GEAR.
Сторінка 99
... lengths as specified . 6. Connect crosshead gear to valve , and radius rod to link , without connecting eccentric rod to link . 7. Hook up radius rod to exact centre of link , and then revolve driving wheels , seeing that crosshead gear ...
... lengths as specified . 6. Connect crosshead gear to valve , and radius rod to link , without connecting eccentric rod to link . 7. Hook up radius rod to exact centre of link , and then revolve driving wheels , seeing that crosshead gear ...
Сторінка 102
... length of the eccentric rod is altered it is well to examine the length of the valve - stem , and it may be of advantage to either plane - off , or line - under , the foot of the link support , which might correct the rod measurements ...
... length of the eccentric rod is altered it is well to examine the length of the valve - stem , and it may be of advantage to either plane - off , or line - under , the foot of the link support , which might correct the rod measurements ...
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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