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 26
... to the " lower quarter " ; and as the main - pin moves up - forward , the
backward motion of the eccentric will be reversed by the rocker - arms and the
valve will , as required , still have a forward motion , admitting live steam to the
back end of ...
... to the " lower quarter " ; and as the main - pin moves up - forward , the
backward motion of the eccentric will be reversed by the rocker - arms and the
valve will , as required , still have a forward motion , admitting live steam to the
back end of ...
Сторінка 28
... we will take out the pin at the connection between the valve - stem and the
eccentric rod and dropping the end of the ... which is central on its seat with both
admission ports covered ; but if we move the lower end of the combination lever ...
... we will take out the pin at the connection between the valve - stem and the
eccentric rod and dropping the end of the ... which is central on its seat with both
admission ports covered ; but if we move the lower end of the combination lever ...
Сторінка 29
We have the two latter points located as the connections of eccentric rod and
valve - stem to the combination lever , while the point of application of power is at
the lower end . As it is the duty of the combination lever to modify the motion that
...
We have the two latter points located as the connections of eccentric rod and
valve - stem to the combination lever , while the point of application of power is at
the lower end . As it is the duty of the combination lever to modify the motion that
...
Сторінка 30
We must now disconnect the main rod from the main - pin and move the cross -
head forward until the piston is known to be in the exact centre of the cylinder ,
and then connect the lower end of the combination lever ( still in a plumb ...
We must now disconnect the main rod from the main - pin and move the cross -
head forward until the piston is known to be in the exact centre of the cylinder ,
and then connect the lower end of the combination lever ( still in a plumb ...
Сторінка 31
When the crank — the main - pin-reaches the upper quarter where its leverage
force is greatest the lower end of the combination lever is at the middle of its
travel , and it would again stand plumb perpendicular but for the eccentric now
being ...
When the crank — the main - pin-reaches the upper quarter where its leverage
force is greatest the lower end of the combination lever is at the middle of its
travel , and it would again stand plumb perpendicular but for the eccentric now
being ...
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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 |