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
... 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 forward far enough so that the back - left port ...
... 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 forward far enough so that the back - left port ...
Сторінка 26
... 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 the cylinder and ...
... 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 the cylinder and ...
Сторінка 27
... 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 ahead , as it would do in Fig . 2 , it would pull the valve back ...
... 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 ahead , as it would do in Fig . 2 , it would pull the valve back ...
Сторінка 28
... main - pin - 90 degrees from it - and the lead is derived from the action of the piston , through suitable connections with the cross- head , the established lead remaining unchanged throughout the different points of cut - off in both ...
... main - pin - 90 degrees from it - and the lead is derived from the action of the piston , through suitable connections with the cross- head , the established lead remaining unchanged throughout the different points of cut - off in both ...
Сторінка 30
... main rod from the main - pin and move the cross - head forward until the piston is known to be in the exact centre of the cylinder , and then connect the lower end of the combination lever ( still in a plumb perpendicular position ) ...
... main rod from the main - pin and move the cross - head forward until the piston is known to be in the exact centre of the cylinder , and then connect the lower end of the combination lever ( still in a plumb perpendicular position ) ...
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Загальні терміни та фрази
35 cents 90 degrees A. A. HOUGHTON admission port American Locomotive American Locomotive Company angle automobile axle Baldwin Locomotive bell crank bination lever block boiler chart Cloth combination lever concrete connection construction crosshead cut-off cylinder dead centre diagrams direction disconnected distance driving wheels eccentric crank eccentric rod edition Egide Walschaert electrical engine exhaust forward frame full gear fully illustrated give inches inside admission valves lathes lead length link foot link-block live steam lost motion lower end lubrication main crank-pin main rod main-pin mechanism modern molds motor moved notch O'CONOR SLOANE operation pin hole piston valve port opening position practical Price radius bar radius rod railroad repair reverse lever reverse shaft shortened shown side Stephenson link motion stroke tion transmission bar treatise upper end valve motion valve rod valve stem valve-stem vertical Walschaert gear Walschaert motion Walschaert valve gear yoke
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