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 17
... moved from an exact central position on its seat before the port begins to open to admit steam to the cylinder . Lead is the distance that the admission port is specially opened at the time when the piston is at an end — either end of ...
... moved from an exact central position on its seat before the port begins to open to admit steam to the cylinder . Lead is the distance that the admission port is specially opened at the time when the piston is at an end — either end of ...
Сторінка 21
... link EE should be lowered , eccentric B would actuate the valve , and as this represents an " indirect motion " engine - that is , whichever way the link- block is moved it will cause the valve to travel THE WALSCHAERT VALVE GEAR 21.
... link EE should be lowered , eccentric B would actuate the valve , and as this represents an " indirect motion " engine - that is , whichever way the link- block is moved it will cause the valve to travel THE WALSCHAERT VALVE GEAR 21.
Сторінка 22
... moved it will cause the valve to travel in an opposite direction , on account of the rocker - arms- not shown - the engine would run forward . As the wheel revolved to the right eccentric B would follow in the same direction and one ...
... moved it will cause the valve to travel in an opposite direction , on account of the rocker - arms- not shown - the engine would run forward . As the wheel revolved to the right eccentric B would follow in the same direction and one ...
Сторінка 23
... moved off the centre by hand , but in the case of double power , as in the locomotive , the engine on the other side would be in a position to start the wheels turning ; they would turn to the right , the eccentric on the visible side ...
... moved off the centre by hand , but in the case of double power , as in the locomotive , the engine on the other side would be in a position to start the wheels turning ; they would turn to the right , the eccentric on the visible side ...
Сторінка 38
... set the reverse lever in the centre notch of the quadrant and have the engine moved by " pinch- ing , " or towing , as before stated , the eccentric would not give any motion to the link - block , 38 THE WALSCHAERT VALVE GEAR.
... set the reverse lever in the centre notch of the quadrant and have the engine moved by " pinch- ing , " or towing , as before stated , the eccentric would not give any motion to the link - block , 38 THE WALSCHAERT VALVE GEAR.
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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