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 17
... exactly the reverse manner to that of the one just described , and all inside admission valves in common use are of the piston type , which in construction are really two ordinary pistons with metal packing rings , and with a tubular ...
... exactly the reverse manner to that of the one just described , and all inside admission valves in common use are of the piston type , which in construction are really two ordinary pistons with metal packing rings , and with a tubular ...
Сторінка 23
... exactly central 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 ...
... exactly central 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 ...
Сторінка 24
... 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 give the proper motion to the valve for running the engine ...
... 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 give the proper motion to the valve for running the engine ...
Сторінка 26
... exactly the distance of lap plus lead . In Fig . 4 we have taken the engine illustrated in Fig . 2 , and interposed the double rocker - arms be- Indirect Valve Motion Engine Runs Forward FIG . 4. Simple Form of Steam Engine with ...
... exactly the distance of lap plus lead . In Fig . 4 we have taken the engine illustrated in Fig . 2 , and interposed the double rocker - arms be- Indirect Valve Motion Engine Runs Forward FIG . 4. Simple Form of Steam Engine with ...
Сторінка 28
... exactly right angles to the main - pin - 90 degrees from it - and the lead is derived from the action of the piston , through suitable connections with the cross- head , the established lead remaining unchanged throughout the different ...
... exactly right angles to the main - pin - 90 degrees from it - and the lead is derived from the action of the piston , through suitable connections with the cross- head , the established lead remaining unchanged throughout the different ...
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Загальні терміни та фрази
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