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 40
... moved one - quarter turn ahead , placing the main - pin on the upper quarter , the lower end of the combination lever would then be at about the middle of its path of motion , but the eccen- tric being at its farthest stroke ahead , the ...
... moved one - quarter turn ahead , placing the main - pin on the upper quarter , the lower end of the combination lever would then be at about the middle of its path of motion , but the eccen- tric being at its farthest stroke ahead , the ...
Сторінка 43
... moved back far enough to open up the admission port the resolved amount for lead ; and this distance between centres of valve and seat must cover the measurements of both lap and lead . Ideally , the position of the Walschaert eccentric ...
... moved back far enough to open up the admission port the resolved amount for lead ; and this distance between centres of valve and seat must cover the measurements of both lap and lead . Ideally , the position of the Walschaert eccentric ...
Сторінка 97
... moved the valve from an otherwise central position a slight distance in an opposite direction from that occupied by the piston , as is required in order to open the proper ad- mission port for lead . Lap + Lead Live Steam Combination ...
... moved the valve from an otherwise central position a slight distance in an opposite direction from that occupied by the piston , as is required in order to open the proper ad- mission port for lead . Lap + Lead Live Steam Combination ...
Сторінка 102
... moved from the back corner notch to the farthest go - ahead position without shifting the valve , or moving it in the least . But , as lining , or shimming - up , the bearing supports , or carriers , affects the transmission of power ...
... moved from the back corner notch to the farthest go - ahead position without shifting the valve , or moving it in the least . But , as lining , or shimming - up , the bearing supports , or carriers , affects the transmission of power ...
Сторінка 111
... moved from its extreme forward to its extreme backward position without imparting any motion to the valve . It may be noted that the link position may be observed by the usual tram marks on the valve - stem , or direct by marks on the ...
... moved from its extreme forward to its extreme backward position without imparting any motion to the valve . It may be noted that the link position may be observed by the usual tram marks on the valve - stem , or direct by marks on the ...
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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