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 19
There is a difference , though , in “ setting - up ” the Walschaert gear as between
the valves of inside and outside admission ; a difference only in the position of
the eccentric in its relation to the main crank - pin , and the connections , as they ...
There is a difference , though , in “ setting - up ” the Walschaert gear as between
the valves of inside and outside admission ; a difference only in the position of
the eccentric in its relation to the main crank - pin , and the connections , as they ...
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 22
As the wheel revolved to the right eccentric B would follow in the same direction
and one - fourth of a turn behind the main - pin , and be said to be “ a quarter
behind the main pin , ” which it always is with indirect motion and outside
admission ...
As the wheel revolved to the right eccentric B would follow in the same direction
and one - fourth of a turn behind the main - pin , and be said to be “ a quarter
behind the main pin , ” which it always is with indirect motion and outside
admission ...
Сторінка 23
ing , the main - pin , we will assume for the sake of clearer understanding that the
engine is in all cases running forward . ... just 90 degrees from the main - pin ,
and the valve is in an exactly central position on its seat — therefore without lead
.
ing , the main - pin , we will assume for the sake of clearer understanding that the
engine is in all cases running forward . ... just 90 degrees from the main - pin ,
and the valve is in an exactly central position on its seat — therefore without lead
.
Сторінка 24
Besides having no power to turn the wheel when the main - pin is on the dead -
centre regardless of how much pressure is in the cylinder , the other reason for
the engine not starting promptly , even when assistance should be given by ...
Besides having no power to turn the wheel when the main - pin is on the dead -
centre regardless of how much pressure is in the cylinder , the other reason for
the engine not starting promptly , even when assistance should be given by ...
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Загальні терміни та фрази
action admission port admission valves advance ahead American amount angle axle backward balanced bell crank 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 latter 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 stroke tion train transmission turning valve motion 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, 1913 |
| Оригінал із | Нью-Йоркська публічна бібліотека |
| Оцифровано | 17 вер. 2008 |
| Обсяг | 245 стор. |
| Експортувати бібліографічний опис | BiBTeX EndNote RefMan |