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 20
... the idea of “ direct motion ” in the valve - actuating mechanism , and is the
simplest form of the common steam engine , with fixed cut - offs and non -
reversible , and it will be the engine in the Direct Valve Motion Engine Runs
Forward Fig . 2 .
... the idea of “ direct motion ” in the valve - actuating mechanism , and is the
simplest form of the common steam engine , with fixed cut - offs and non -
reversible , and it will be the engine in the Direct Valve Motion Engine Runs
Forward Fig . 2 .
Сторінка 21
2 , the eccentric must be located at E , one - fourth of the wheel ' s circle , or 90
degrees , ahead of the crank - pin - assuming the engine to be running forward —
to the right . But before going further it is best to explain how to take the ...
2 , the eccentric must be located at E , one - fourth of the wheel ' s circle , or 90
degrees , ahead of the crank - pin - assuming the engine to be running forward —
to the right . But before going further it is best to explain how to take the ...
Сторінка 22
block is moved it will cause the valve to travel in an opposite direction , on
account of the rocker - arms — not shown — the engine would run forward . As
the wheel revolved to the right eccentric B would follow in the same direction and
one ...
block is moved it will cause the valve to travel in an opposite direction , on
account of the rocker - arms — not shown — the engine would run forward . As
the wheel revolved to the right eccentric B would follow in the same direction and
one ...
Сторінка 23
ing , the main - pin , we will assume for the sake of clearer understanding that the
engine is in all cases running forward . It is understood that in Fig . 2 the valve is
of outside admission ; the eccentric E is just 90 degrees from the main - pin , and
...
ing , the main - pin , we will assume for the sake of clearer understanding that the
engine is in all cases running forward . It is understood that in Fig . 2 the valve is
of outside admission ; the eccentric E is just 90 degrees from the main - pin , and
...
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 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 |