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 26
... lead . In Fig . 4 we have taken the engine illustrated in Fig . 2 , and interposed the double rocker - arms be- Indirect Valve Motion Engine Runs Forward FIG . 4. Simple Form of Steam Engine with Indirect Valve Motion . tween the ...
... lead . In Fig . 4 we have taken the engine illustrated in Fig . 2 , and interposed the double rocker - arms be- Indirect Valve Motion Engine Runs Forward FIG . 4. Simple Form of Steam Engine with Indirect Valve Motion . tween the ...
Сторінка 27
... 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 , to the left , in an engine ...
... 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 , to the left , in an engine ...
Сторінка 28
... 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 forward and backward gear . The engine is ...
... 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 forward and backward gear . The engine is ...
Сторінка 29
... Lead . either forward or backward , and open , somewhat , the front or back steam admission port enough for the lead . All true levers have three points for the reception and delivery of power : at one point the original force is ...
... Lead . either forward or backward , and open , somewhat , the front or back steam admission port enough for the lead . All true levers have three points for the reception and delivery of power : at one point the original force is ...
Сторінка 30
... lead - permanent lead , too , unaffected by any further changes in the gear that may be necessary in shorten- ing the cut - off by the introduction of reversing mechanism . If the outside lap of the valve amounts to one ( 1 ) inch , and ...
... lead - permanent lead , too , unaffected by any further changes in the gear that may be necessary in shorten- ing the cut - off by the introduction of reversing mechanism . If the outside lap of the valve amounts to one ( 1 ) inch , and ...
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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