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 32
... backward and has drawn the valve to the finish of its backward stroke , with the front port opened for full steam admission and the back port open from the cylinder to the exhaust ; a quarter - turn more brings the whole gear back to ...
... backward and has drawn the valve to the finish of its backward stroke , with the front port opened for full steam admission and the back port open from the cylinder to the exhaust ; a quarter - turn more brings the whole gear back to ...
Сторінка 36
... backward- and then the eccentric would also turn backward , the link would change that direction of motion and again push the valve forward , admitting steam to the back . end of the cylinder as it ought , showing that to reverse the ...
... backward- and then the eccentric would also turn backward , the link would change that direction of motion and again push the valve forward , admitting steam to the back . end of the cylinder as it ought , showing that to reverse the ...
Сторінка 41
... backward at its top end and the angle assumed in this case will shorten the distance from eccentric to valve , and this , on the backward stroke , increases the travel of the valve in that direction . So , if the full travel of the ...
... backward at its top end and the angle assumed in this case will shorten the distance from eccentric to valve , and this , on the backward stroke , increases the travel of the valve in that direction . So , if the full travel of the ...
Сторінка 49
... . The reversing shaft is below the link ( like the old - time Rogers engines were fitted ) , with the lifting arm extending backward so that throwing the reverse lever forward raises the radius rod 4 THE WALSCHAERT VÅLVE GEAR 49.
... . The reversing shaft is below the link ( like the old - time Rogers engines were fitted ) , with the lifting arm extending backward so that throwing the reverse lever forward raises the radius rod 4 THE WALSCHAERT VÅLVE GEAR 49.
Сторінка 57
... backward , that was expected to equalize the alternate port openings , and it certainly does delay the motion of the valve at the end of its travel , holding the admission and exhaust ports more nearly fully opened at the time that they ...
... backward , that was expected to equalize the alternate port openings , and it certainly does delay the motion of the valve at the end of its travel , holding the admission and exhaust ports more nearly fully opened at the time that they ...
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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