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
Lap is the distance by which the valve overcovers the steam admission port —
the distance the valve must be moved from an exact central position on its seat
before the port begins to open to admit steam to the cylinder . Lead is the
distance ...
Lap is the distance by which the valve overcovers the steam admission port —
the distance the valve must be moved from an exact central position on its seat
before the port begins to open to admit steam to the cylinder . Lead is the
distance ...
Сторінка 19
William Wallace Wood. and the point in the travel of the valve at which the cut - off
occurs is fixed by the position of the link in the link - block , as will be explained
later -- when we have taken up the action of the valve gear ; this position of the ...
William Wallace Wood. and the point in the travel of the valve at which the cut - off
occurs is fixed by the position of the link in the link - block , as will be explained
later -- when we have taken up the action of the valve gear ; this position of the ...
Сторінка 21
connection from eccentric to valve is through a direct line of motion , as shown ,
without any levers interposed or “ rocker - arms to reverse the direction of
movement , then , with the main - pin in the position as shown in Fig . 2 , the
eccentric ...
connection from eccentric to valve is through a direct line of motion , as shown ,
without any levers interposed or “ rocker - arms to reverse the direction of
movement , then , with the main - pin in the position as shown in Fig . 2 , the
eccentric ...
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
push the valve forward — the direction in which the piston will have to travel : and
to accomplish this , the position of the eccentric must be changed to a point on
the wheel exactly its opposite in location - 90 degrees on the other side of the ...
push the valve forward — the direction in which the piston will have to travel : and
to accomplish this , the position of the eccentric must be changed to a point on
the wheel exactly its opposite in location - 90 degrees on the other side of the ...
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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 |