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 112
... obtained . 5. Within certain limits this lengthening or shorten- ing may be made on the radius rod if it should prove more convenient , but it is desirable that its length should be so nearly equal to the radius of the link that no ...
... obtained . 5. Within certain limits this lengthening or shorten- ing may be made on the radius rod if it should prove more convenient , but it is desirable that its length should be so nearly equal to the radius of the link that no ...
Сторінка 114
... obtained as in the direct Walschaert gear . Two advantages may be claimed for this modification , of which one is the straight link being simpler to make than the curved one , and the other is that on large piston - valve engines with ...
... obtained as in the direct Walschaert gear . Two advantages may be claimed for this modification , of which one is the straight link being simpler to make than the curved one , and the other is that on large piston - valve engines with ...
Сторінка 118
... movements are not so regular as the circles indicate , as it is impracticable to obtain the various loci in their theoretical positions ; besides , lution , with Inside Admis- chaert Motion . 743 THROUG 118 THE WALSCHAERT VALVE GEAR.
... movements are not so regular as the circles indicate , as it is impracticable to obtain the various loci in their theoretical positions ; besides , lution , with Inside Admis- chaert Motion . 743 THROUG 118 THE WALSCHAERT VALVE GEAR.
Сторінка 119
... obtained than from a true circular motion , which are principally affected by three union points , and are , first , the connecting point of eccentric rod and link ; second , the locus of the lifting - link suspension point ; and third ...
... obtained than from a true circular motion , which are principally affected by three union points , and are , first , the connecting point of eccentric rod and link ; second , the locus of the lifting - link suspension point ; and third ...
Сторінка 120
... obtained of the work done by the Walschaert gear in either of the two methods of applying it , namely , to actuate inside and outside admission valves . Place one of the cardboard valves on its seat and imagine the main pin to be at any ...
... obtained of the work done by the Walschaert gear in either of the two methods of applying it , namely , to actuate inside and outside admission valves . Place one of the cardboard valves on its seat and imagine the main pin to be at any ...
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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 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