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 28
... cross- head , the established lead remaining unchanged throughout the different points of cut - off in both forward and backward gear . The engine is of direct valve motion when the reverse lever is in the go- ahead position , and of ...
... cross- head , the established lead remaining unchanged throughout the different points of cut - off in both forward and backward gear . The engine is of direct valve motion when the reverse lever is in the go- ahead position , and of ...
Сторінка 30
... 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 ) with the cross - head by means of a short ...
... 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 ) with the cross - head by means of a short ...
Сторінка 31
... cross - head , exerted through the combination lever , and which would give a short travel to the valve even if the eccentric should be disconnected . When the crank - the main - pin- reaches the upper quarter where its leverage force ...
... cross - head , exerted through the combination lever , and which would give a short travel to the valve even if the eccentric should be disconnected . When the crank - the main - pin- reaches the upper quarter where its leverage force ...
Сторінка 38
... cross - head , and that is one of the desirable features that recommend this gear . If the motion work has been correctly designed and " set up , " and particularly if the eccentric rod is of the correct length , when the engine is ...
... cross - head , and that is one of the desirable features that recommend this gear . If the motion work has been correctly designed and " set up , " and particularly if the eccentric rod is of the correct length , when the engine is ...
Сторінка 39
... cross - head would , by means of the combination lever , give the valve a short travel that would be equal to twice the distance of lap plus lead . The connections from cross - head and valve are made to opposite ends of the combination ...
... cross - head would , by means of the combination lever , give the valve a short travel that would be equal to twice the distance of lap plus lead . The connections from cross - head and valve are made to opposite ends of the combination ...
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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 eccentric to valve Egide Walschaert equal equipped exact centre exactly exhaust forward full gear hub centre inches inside admission valves length link foot link fulcrum live steam lost motion lower end main crank-pin main rod main-pin main-valve moved pin hole piston valve port opening position quadrant radius bar radius rod return crank reverse lever reverse shaft rocker rocker-arm schaert shortened side steam chest steam lap Stephenson link motion stroke tion transmission bar trunnion 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