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 19
... cylinders , or any part of the steam- distributing mechanism . But , although either inside admission or outside admission valves may be used with the Walschaert gear , as the user may prefer , a better all ' round design of this gear ...
... cylinders , or any part of the steam- distributing mechanism . But , although either inside admission or outside admission valves may be used with the Walschaert gear , as the user may prefer , a better all ' round design of this gear ...
Сторінка 20
... , the port opening for admission of steam to the cylinder must be one - fourth of the cycle of motion ahead of the piston . Therefore , if the connection from eccentric to valve is through a direct line 20 THE WALSCHAERT VALVE GEAR.
... , the port opening for admission of steam to the cylinder must be one - fourth of the cycle of motion ahead of the piston . Therefore , if the connection from eccentric to valve is through a direct line 20 THE WALSCHAERT VALVE GEAR.
Сторінка 23
... cylinder against the back of the piston . In starting the engine , if we should pinch the wheel backward , the eccentric would pull the valve backward also , and steam would be admitted to the forward end of the cylinder , pushing the ...
... cylinder against the back of the piston . In starting the engine , if we should pinch the wheel backward , the eccentric would pull the valve backward also , and steam would be admitted to the forward end of the cylinder , pushing the ...
Сторінка 24
... cylinder , the other reason for the engine not starting promptly , even when assistance should be given by pinching the wheel , is that the valve has no lead ; the edge of the valve and edge of the admission port are not even close to ...
... cylinder , the other reason for the engine not starting promptly , even when assistance should be given by pinching the wheel , is that the valve has no lead ; the edge of the valve and edge of the admission port are not even close to ...
Сторінка 26
... cylinder and exhausting the contents of the front end , either the dead steam that had been used in the preceding backward stroke , or the atmospheric con- tents of the cylinder if this forward movement of the 26 THE WALSCHAERT VALVE GEAR.
... cylinder and exhausting the contents of the front end , either the dead steam that had been used in the preceding backward stroke , or the atmospheric con- tents of the cylinder if this forward movement of the 26 THE WALSCHAERT VALVE GEAR.
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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 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