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 17
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 startor finish , both
are the same - of its stroke. THE WALSCHAERT VALVE GEAR 17.
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 startor finish , both
are the same - of its stroke. THE WALSCHAERT VALVE GEAR 17.
Сторінка 18
Lead is given in order that steam may be admitted between the piston and the
cylinder head , toward the completion of the stroke , as a means of cushioning the
piston and thereby tempering the sudden reversion of its motion ; the same effect
...
Lead is given in order that steam may be admitted between the piston and the
cylinder head , toward the completion of the stroke , as a means of cushioning the
piston and thereby tempering the sudden reversion of its motion ; the same effect
...
Сторінка 23
2 the valve is of outside admission ; the eccentric E is just 90 degrees from the
main - pin , and the valve is in an exactly central position on its seat — therefore
without lead . If the steam throttle should now be opened , this engine could not ...
2 the valve is of outside admission ; the eccentric E is just 90 degrees from the
main - pin , and the valve is in an exactly central position on its seat — therefore
without lead . If the steam throttle should now be opened , this engine could not ...
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
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
lengthen ...
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
lengthen ...
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Загальні терміни та фрази
action admission port admission valves advance ahead American amount angle axle backward balanced block Brake broken built carried cause centre combination lever common compression connection correct cover crank crosshead cut-off cylinder dead diagrams direction disconnected distance eccentric rod effect engine equal equipped exactly exhaust forward frame front fulcrum give given hole illustrated inches inside admission lead length link motion link-block locomotive lower end main rod main-pin mechanism method moved movement necessary notch obtained opening opposite piece piston placed position pounds practical pressure quarter question radius rod reason received reference remove represented reverse lever road secure shaft short shortened shown side steam Stephenson link stroke tion train transmission turning valve motion valve rod valve-stem vertical Walschaert gear Walschaert valve gear weight wheel
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 | 14 бер. 2013 |
| Обсяг | 245 стор. |
| Експортувати бібліографічний опис | BiBTeX EndNote RefMan |