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
expression ...
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
expression ...
Сторінка 22
block is moved it will cause the valve to travel in an opposite direction , on
account of the rocker - armsnot 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 - armsnot 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 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 |