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 17
... 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 piston is at an end - either end - of the cylinder , at the prime ...
... 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 piston is at an end - either end - of the cylinder , at the prime ...
Сторінка 19
... position of the link in the link - block , as will be explained later - when we have taken up the action of the valve gear ; this position of the gear is , in turn , determined by the notch of the quadrant in which the reverse lever is ...
... position of the link in the link - block , as will be explained later - when we have taken up the action of the valve gear ; this position of the gear is , in turn , determined by the notch of the quadrant in which the reverse lever is ...
Сторінка 21
... position as shown in Fig . 2 , the eccentric must be located at E , one - fourth of the wheel's circle , or 90 degrees , ahead of the crank - pin - assuming the engine to be running forward - to the right . But before going further it ...
... position as shown in Fig . 2 , the eccentric must be located at E , one - fourth of the wheel's circle , or 90 degrees , ahead of the crank - pin - assuming the engine to be running forward - to the right . But before going further it ...
Сторінка 23
... position on its seat - therefore without lead . If the steam throttle should now be opened , this engine could not move of its own volition , for two reasons : the valve being centred , all ports are covered and no steam would be ...
... position on its seat - therefore without lead . If the steam throttle should now be opened , this engine could not move of its own volition , for two reasons : the valve being centred , all ports are covered and no steam would be ...
Сторінка 24
... position of the eccentric must be changed to a point on the wheel exactly its opposite in location — 90 degrees on the other side of the main - pin - a quarter- turn ahead of the crank with the wheel turning back- ward . This would now ...
... position of the eccentric must be changed to a point on the wheel exactly its opposite in location — 90 degrees on the other side of the main - pin - a quarter- turn ahead of the crank with the wheel turning back- ward . This would now ...
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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