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 58
... secure the same motion and valve events ; the change made in the connections to the combination lever and shifting the position of the eccentric has a result on the motion imparted to the valve that must be corrected . It may be ...
... secure the same motion and valve events ; the change made in the connections to the combination lever and shifting the position of the eccentric has a result on the motion imparted to the valve that must be corrected . It may be ...
Сторінка 62
... secure which action the valve - stem is joined with the com- bination lever below the radius - rod connection , thus having the effect of lengthening the line of motion between link - block and valve at this juncture , and thereby ...
... secure which action the valve - stem is joined with the com- bination lever below the radius - rod connection , thus having the effect of lengthening the line of motion between link - block and valve at this juncture , and thereby ...
Сторінка 96
... secure lead with outside admission valves , but the piston must draw the valve further in the direction the piston lies in - toward the end of the cylinder - to give the advance for lead with a valve of inside admission ; and this ...
... secure lead with outside admission valves , but the piston must draw the valve further in the direction the piston lies in - toward the end of the cylinder - to give the advance for lead with a valve of inside admission ; and this ...
Сторінка 152
... secure their initial motion through eccentrics actuated by the turning of the main pair of driving- wheels ? A. Yes ; the Stephenson link is given its motion by two eccentrics keyed upon the main - axle , one of which is thrown into ...
... secure their initial motion through eccentrics actuated by the turning of the main pair of driving- wheels ? A. Yes ; the Stephenson link is given its motion by two eccentrics keyed upon the main - axle , one of which is thrown into ...
Сторінка 156
... secure lead necessary ? A. Whether lead is a necessity or not is a matter of argument , but it is being conceded by many expert men that lead , as a port opening , is not necessary , and by some it is considered a detriment . Q. 18 ...
... secure lead necessary ? A. Whether lead is a necessity or not is a matter of argument , but it is being conceded by many expert men that lead , as a port opening , is not necessary , and by some it is considered a detriment . Q. 18 ...
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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