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
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
... the Stephenson link and eccentrics ; any movement of the link - block A , gives
a corresponding movement to the valve ... that is , whichever way the linkblock is
moved it will cause the valve to travel in THE WALSCHAERT VALVE GEAR 21.
... the Stephenson link and eccentrics ; any movement of the link - block A , gives
a corresponding movement to the valve ... that is , whichever way the linkblock is
moved it will cause the valve to travel in THE WALSCHAERT VALVE GEAR 21.
Сторінка 22
block is moved it will cause the valve to travel in an opposite direction , on
account of the rocker - arms — not shown ... 3 , if the link EE was raised ,
eccentric C would control the motion of the link - block A , and , through a reverse
action of the ...
block is moved it will cause the valve to travel in an opposite direction , on
account of the rocker - arms — not shown ... 3 , if the link EE was raised ,
eccentric C would control the motion of the link - block A , and , through a reverse
action of the ...
Сторінка 35
The link - block too has been retained , and to it we will attach the back end of the
radius rod ( see Fig . 6 ) ; now it will be apparent why we curve the ends of the
link forward : with the link in a vertical position , as it stands , it must be possible to
...
The link - block too has been retained , and to it we will attach the back end of the
radius rod ( see Fig . 6 ) ; now it will be apparent why we curve the ends of the
link forward : with the link in a vertical position , as it stands , it must be possible to
...
Сторінка 36
6 the link - block and radius rod are at the lower end of the link , and there is , in
effect , a straight line of motion from eccentric to valve , by which we have for the
time a direct motion engine . As the wheel turns forward the eccentric will move ...
6 the link - block and radius rod are at the lower end of the link , and there is , in
effect , a straight line of motion from eccentric to valve , by which we have for the
time a direct motion engine . As the wheel turns forward the eccentric will move ...
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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