The Walschaert and Other Modern Radial Valve Gears for Locomotives: A Practical Treatise on the Locomitive Valve Actuating Mechanism Invented by Egide Walschaert, with the History of Its Development and Its Evolution Into the Mechanically Correct Locomotive Valve Gear of the Present DayNorman W. Henley Publishing Company, 1920 - 245 стор. |
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Сторінка 16
... port , and vice versa . Usually , the direct exhaust port is located midway between the two steam admission ports . An outside admission valve is one that starts the piston moving in the same direction in which the valve is travelling ...
... port , and vice versa . Usually , the direct exhaust port is located midway between the two steam admission ports . An outside admission valve is one that starts the piston moving in the same direction in which the valve is travelling ...
Сторінка 17
... port - the distance the valve must be moved from an exact central position on its seat before the port begins to open to admit steam to the cylinder . Lead is the distance that the admission port is specially opened at the time when the ...
... port - the distance the valve must be moved from an exact central position on its seat before the port begins to open to admit steam to the cylinder . Lead is the distance that the admission port is specially opened at the time when the ...
Сторінка 18
... PORT STEAM PORTS CYLINDER PISTON ROD CONNECTING ROD OPEN CLOSED , CLOSEDC EXHAUST PISTON PISTON ROD DOPEN FIG . 1. The Main Valve ; showing admission and exhaust ports , the cylinder and piston . compressible resistance as a cushion ...
... PORT STEAM PORTS CYLINDER PISTON ROD CONNECTING ROD OPEN CLOSED , CLOSEDC EXHAUST PISTON PISTON ROD DOPEN FIG . 1. The Main Valve ; showing admission and exhaust ports , the cylinder and piston . compressible resistance as a cushion ...
Сторінка 20
... port opening for admission of steam to the cylinder must be one - fourth of the cycle of motion ahead of the piston . Therefore , if the connection from eccentric to valve is through a direct line 20 THE WALSCHAERT VALVE GEAR.
... port opening for admission of steam to the cylinder must be one - fourth of the cycle of motion ahead of the piston . Therefore , if the connection from eccentric to valve is through a direct line 20 THE WALSCHAERT VALVE GEAR.
Сторінка 23
... ports are covered and no steam would be admitted to the cylinder ; working singly , the engine would have to be ... port would begin to open and admit steam to the cylinder against the back of the piston . In starting the engine ...
... ports are covered and no steam would be admitted to the cylinder ; working singly , the engine would have to be ... port would begin to open and admit steam to the cylinder against the back of the piston . In starting the engine ...
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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 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 lathes lead length link foot link fulcrum 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 schaert 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