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 25
... crank slightly , but still keeping eccentric pin E the same distance from the hub centre . Now , we find that the eccentric is more than 90 degrees from the main - pin , and that its advance that we have given has pushed the valve ...
... crank slightly , but still keeping eccentric pin E the same distance from the hub centre . Now , we find that the eccentric is more than 90 degrees from the main - pin , and that its advance that we have given has pushed the valve ...
Сторінка 27
... crank of the eccentric , placing it more than 90 degrees from the main - pin , in order to secure lead and overcome the outside lap of the valve ; if we now use the same eccentric the lead will be negative : instead of pushing the valve ...
... crank of the eccentric , placing it more than 90 degrees from the main - pin , in order to secure lead and overcome the outside lap of the valve ; if we now use the same eccentric the lead will be negative : instead of pushing the valve ...
Сторінка 31
... crank - the main - pin- reaches the upper quarter where its leverage force is greatest the lower end of the combination lever is at the middle of its travel , and it would again stand plumb perpendicular but for the eccentric now being ...
... crank - the main - pin- reaches the upper quarter where its leverage force is greatest the lower end of the combination lever is at the middle of its travel , and it would again stand plumb perpendicular but for the eccentric now being ...
Сторінка 33
... crank we will continue to call the eccentric rod , but the front section of the rod that connects with the combination lever will be referred to as the " radius rod . " The word radius is applied to the distance from the centre to the ...
... crank we will continue to call the eccentric rod , but the front section of the rod that connects with the combination lever will be referred to as the " radius rod . " The word radius is applied to the distance from the centre to the ...
Сторінка 50
... CRANK ARM ECCENTRIC ROD AXIS OF LINK CENTRAL LINE OF MOTION FIG . 8. - Walschaert Valve Gear . REVERSING SHAFT RADIUS ROD COMBIRATION CROSS HEAD LEVER ( Illustration from Link and Valve Motions .-- Auchincloss . ) During the years that ...
... CRANK ARM ECCENTRIC ROD AXIS OF LINK CENTRAL LINE OF MOTION FIG . 8. - Walschaert Valve Gear . REVERSING SHAFT RADIUS ROD COMBIRATION CROSS HEAD LEVER ( Illustration from Link and Valve Motions .-- Auchincloss . ) During the years that ...
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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