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 95
... and the throw , or turning movement , of the eccentric . The piston's motion really governs the lead by offsetting the valve from its central position far enough to overcome its steam lap and enough further to give VALVE GEAR 95-126.
... and the throw , or turning movement , of the eccentric . The piston's motion really governs the lead by offsetting the valve from its central position far enough to overcome its steam lap and enough further to give VALVE GEAR 95-126.
Сторінка 120
... turning forward , and then move the valve model until its index points even with the mark at the corre- sponding number of the scale that shows the different positions of the combination lever ; this will be the correct location of the ...
... turning forward , and then move the valve model until its index points even with the mark at the corre- sponding number of the scale that shows the different positions of the combination lever ; this will be the correct location of the ...
Сторінка 152
... turning of the driving- wheels is secured , in the way the gear is reversed to change the direction in which the engine shall run , and the method of securing lead . Q. 5. Do not both the Stephenson and Walschaert gears secure their ...
... turning of the driving- wheels is secured , in the way the gear is reversed to change the direction in which the engine shall run , and the method of securing lead . Q. 5. Do not both the Stephenson and Walschaert gears secure their ...
Сторінка 154
... turning power of the main crank when the engine is working in full gear with a heavy load ; and , as giving lead hastens all of the valve events , the steam that is driving the piston is retained in the cylinder during a shorter part of ...
... turning power of the main crank when the engine is working in full gear with a heavy load ; and , as giving lead hastens all of the valve events , the steam that is driving the piston is retained in the cylinder during a shorter part of ...
Сторінка 170
... turning wheels . When railway motive power was not so large and heavy as at present , and any part of the machinery on one side of an engine was broken so as to disable that side , it was the rule to take down the main rod and block the ...
... turning wheels . When railway motive power was not so large and heavy as at present , and any part of the machinery on one side of an engine was broken so as to disable that side , it was the rule to take down the main rod and block the ...
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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