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 12
... obtained from the use of two eccentrics in governing the motion of one main valve , and most likely foreseeing the pos- sibilities in the line of economy by using the expansive power of the steam in the cylinders - something that had ...
... obtained from the use of two eccentrics in governing the motion of one main valve , and most likely foreseeing the pos- sibilities in the line of economy by using the expansive power of the steam in the cylinders - something that had ...
Сторінка 27
... obtain lead with engines having a double rocker - arm and outside admission . valves , as in Fig . 4 , the eccentric must be drawn nearer than 90 degrees to the main - pin : be less than a " quarter " from it . The return crank must be ...
... obtain lead with engines having a double rocker - arm and outside admission . valves , as in Fig . 4 , the eccentric must be drawn nearer than 90 degrees to the main - pin : be less than a " quarter " from it . The return crank must be ...
Сторінка 38
... obtained from the cross - head , and that is one of the desirable features that recommend this gear . If the motion work has been correctly designed and " set up , " and particularly if the eccentric rod is of the correct length , when ...
... obtained from the cross - head , and that is one of the desirable features that recommend this gear . If the motion work has been correctly designed and " set up , " and particularly if the eccentric rod is of the correct length , when ...
Сторінка 40
... obtain- ing that advance of the valve necessary in overcoming the lap , even if the lead , as pre - admission of steam , is not desired . Move the engine so that the main - pin is on the lower quarter and the eccentric at the end of its ...
... obtain- ing that advance of the valve necessary in overcoming the lap , even if the lead , as pre - admission of steam , is not desired . Move the engine so that the main - pin is on the lower quarter and the eccentric at the end of its ...
Сторінка 50
... obtaining results from its use , that had found it the struggle of a half lifetime to master the mysteries of the Stephenson link motion , and , having learned it , placed an extravagant valuation on the mechanism that had been so hard ...
... obtaining results from its use , that had found it the struggle of a half lifetime to master the mysteries of the Stephenson link motion , and , having learned it , placed an extravagant valuation on the mechanism that had been so hard ...
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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 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