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. |
З цієї книги
Результати 1-5 із 25
Сторінка 22
... quarter behind the main pin , " which it always is with indirect motion and outside admission valves , while with direct motion , such as is shown in Fig . 2 , the eccentric is always- with the same kind of valve - a " quarter ahead of ...
... quarter behind the main pin , " which it always is with indirect motion and outside admission valves , while with direct motion , such as is shown in Fig . 2 , the eccentric is always- with the same kind of valve - a " quarter ahead of ...
Сторінка 24
... quarter- turn ahead of the crank with the wheel turning back- ward . This would now give the proper motion to the valve for running the engine backward , and of course the direction is fixed : it can only run that way . Besides having ...
... quarter- turn ahead of the crank with the wheel turning back- ward . This would now give the proper motion to the valve for running the engine backward , and of course the direction is fixed : it can only run that way . Besides having ...
Сторінка 26
... quarter " ; and as the main - pin moves up - forward , the backward motion of the eccentric will be reversed by the rocker - arms and the valve will , as required , still have a forward motion , admitting live steam to the back end of ...
... quarter " ; and as the main - pin moves up - forward , the backward motion of the eccentric will be reversed by the rocker - arms and the valve will , as required , still have a forward motion , admitting live steam to the back end of ...
Сторінка 27
... quarter " from it . The return crank must be short- ened to secure lead . And this proves that with any kind of valve motion where but one eccentric is used , lead cannot be satis- factorily derived from advancing or receding the ...
... quarter " from it . The return crank must be short- ened to secure lead . And this proves that with any kind of valve motion where but one eccentric is used , lead cannot be satis- factorily derived from advancing or receding the ...
Сторінка 30
... as the engine stands in Fig . 5 - be just one and one - thirty- second ( 1 ) inches , equalling lap plus lead . As the engine starts forward under her own steam we will note the results at each quarter - turn 30 THE WALSCHAERT VALVE GEAR.
... as the engine stands in Fig . 5 - be just one and one - thirty- second ( 1 ) inches , equalling lap plus lead . As the engine starts forward under her own steam we will note the results at each quarter - turn 30 THE WALSCHAERT VALVE GEAR.
Інші видання - Показати все
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