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 84
The assertion that the Walschaert valve gear can be applied to engines of odd
design without addition of complicated parts , where the Stephenson motion
would have to include so much more weight of metal as to be almost prohibited ,
is ...
The assertion that the Walschaert valve gear can be applied to engines of odd
design without addition of complicated parts , where the Stephenson motion
would have to include so much more weight of metal as to be almost prohibited ,
is ...
Сторінка 87
extent that both pistons of one pair have an area exposed to steam pressure of
about the same number of square inches as would be contained on a single
piston of an ordinary two - cylindered engine of the same weight and steam ...
extent that both pistons of one pair have an area exposed to steam pressure of
about the same number of square inches as would be contained on a single
piston of an ordinary two - cylindered engine of the same weight and steam ...
Сторінка 129
( 2 ) Weight . A saving of 1,745 pounds is possible by using the Walschaert gear ,
in the case of a very heavy passenger engine . The Stephenson gear , weighing
as much as two tons , is far too heavy to be satisfactorily reversed twice in every ...
( 2 ) Weight . A saving of 1,745 pounds is possible by using the Walschaert gear ,
in the case of a very heavy passenger engine . The Stephenson gear , weighing
as much as two tons , is far too heavy to be satisfactorily reversed twice in every ...
Сторінка 132
... and afterward stands in the way of receiving proper relief . The amount that the
Walschaert gear saves in weight over the common link motion is rather startling ,
being in some cases very close to one - half . 132 THE WALSCHAERT VALVE ...
... and afterward stands in the way of receiving proper relief . The amount that the
Walschaert gear saves in weight over the common link motion is rather startling ,
being in some cases very close to one - half . 132 THE WALSCHAERT VALVE ...
Сторінка 133
Is there any wonder due , when one considers the weight of it all , and that the
joint action of two opposing eccentrics are throwing the link and transmission
mechanism in one direction to be instantly stopped , started , thrown the opposite
way ...
Is there any wonder due , when one considers the weight of it all , and that the
joint action of two opposing eccentrics are throwing the link and transmission
mechanism in one direction to be instantly stopped , started , thrown the opposite
way ...
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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 |