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 18
... effect is , however , more econom- ically produced by closing the exhaust from the cylinder at an earlier period in the finish of the piston's stroke , thus making use of the confined dead steam in its PISTON EX . PORT STEAM PORTS ...
... effect is , however , more econom- ically produced by closing the exhaust from the cylinder at an earlier period in the finish of the piston's stroke , thus making use of the confined dead steam in its PISTON EX . PORT STEAM PORTS ...
Сторінка 25
... effect— that of cramping , from the main - pin to the main shaft , or axle , -a braking effect , but this is not gen- erally admitted . Lead not only cushions the piston at the end of the stroke , but also gets the power of the steam ...
... effect— that of cramping , from the main - pin to the main shaft , or axle , -a braking effect , but this is not gen- erally admitted . Lead not only cushions the piston at the end of the stroke , but also gets the power of the steam ...
Сторінка 28
... effect on the valve , which is central on its seat with both admission ports covered ; but if we move the lower end of the combination lever forward it will shorten the distance from eccentric to valve 28 THE WALSCHAERT VALVE GEAR.
... effect on the valve , which is central on its seat with both admission ports covered ; but if we move the lower end of the combination lever forward it will shorten the distance from eccentric to valve 28 THE WALSCHAERT VALVE GEAR.
Сторінка 31
... effect of that combination lever : its angle will be the reverse to the position of the lever as shown in Fig . 5 , with the result that the distance from eccentric to valve will be shortened by that angle , and the valve drawn back ...
... effect of that combination lever : its angle will be the reverse to the position of the lever as shown in Fig . 5 , with the result that the distance from eccentric to valve will be shortened by that angle , and the valve drawn back ...
Сторінка 36
... effect , a straight line of motion from eccentric to valve , by which we have for the time a direct motion engine . As the wheel turns forward the eccentric will move the valve forward , just as if the link was not in the gear at all ...
... effect , a straight line of motion from eccentric to valve , by which we have for the time a direct motion engine . As the wheel turns forward the eccentric will move the valve forward , just as if the link was not in the gear at all ...
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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