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 ... |
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Сторінка 24
So that valve - advance , or lead , will be the first requirement in remodelling the
engine of Fig . 2 . In these reference plates we are using a “ return crank ”
eccentric , which shows the exact point at which the valve gear receives its initial
motion ...
So that valve - advance , or lead , will be the first requirement in remodelling the
engine of Fig . 2 . In these reference plates we are using a “ return crank ”
eccentric , which shows the exact point at which the valve gear receives its initial
motion ...
Сторінка 25
ure eccentric of the Stephenson type would with its disk and strap around the
axle ; and in order to give this kind of an eccentric the advance necessary to
secure lead , or overcome the outside lap , with outside admission valves we
must ...
ure eccentric of the Stephenson type would with its disk and strap around the
axle ; and in order to give this kind of an eccentric the advance necessary to
secure lead , or overcome the outside lap , with outside admission valves we
must ...
Сторінка 26
valve , because the advance of the valve must be 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 be0 O Indirect Valve Motion Engine Runs Forward Fig . 4 .
valve , because the advance of the valve must be 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 be0 O Indirect Valve Motion Engine Runs Forward Fig . 4 .
Сторінка 40
... this increases the travel of the valve at its forward stroke , and is the result of
the method of obtaining that advance of the valve necessary in overcoming the
lap , even if the lead , as pre - admission of steam , is not desired . Move the
engine ...
... this increases the travel of the valve at its forward stroke , and is the result of
the method of obtaining that advance of the valve necessary in overcoming the
lap , even if the lead , as pre - admission of steam , is not desired . Move the
engine ...
Сторінка 41
Shortening the throw of the eccentric by changing it to a point nearer the hub
centre would take away the increase of travel that was developed in securing the
advance of the valve , — would it not ? Certainly ; that would be a good way out
of ...
Shortening the throw of the eccentric by changing it to a point nearer the hub
centre would take away the increase of travel that was developed in securing the
advance of the valve , — would it not ? Certainly ; that would be a good way out
of ...
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Загальні терміни та фрази
action admission port admission valves advance American amount angle axle block broken carried cause centre cents combination lever complete compression connection construction correct cover crank crosshead cut-off cylinder dead described desired diagrams direction disconnected distance drawings driving eccentric rod edition effect engine equal exactly exhaust explained forward frame front fulcrum fully give given illustrated inches inside admission latter lead length link motion link-block locomotive lower end main rod main-pin manner mechanism method moved movement necessary notch obtained opening operation opposite piston placed position practical Price quarter question radius rod reference represents reverse lever secure short shortened showing shown side steam Stephenson link stroke tion troubles turning upper valve motion valve-stem vertical Walschaert gear Walschaert valve gear weight wheel
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Бібліографічна інформація
| Назва | 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 ... |
| Автор | William Wallace Wood |
| Видання | 3 |
| Видавець | Norman W. Henley Publishing Company, 1912 |
| Оригінал із | Мічиганський університет |
| Оцифровано | 27 вер. 2007 |
| Обсяг | 245 стор. |
| Експортувати бібліографічний опис | BiBTeX EndNote RefMan |