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 45
... bracket which is the frame work of the link . These link brackets are cast steel ,
and each piece includes in its casting a trunnion , 3b , in its exact centre , around
which is pressed a case - hardened , REVERSING LEVER REVERSING SHAFT
...
... bracket which is the frame work of the link . These link brackets are cast steel ,
and each piece includes in its casting a trunnion , 3b , in its exact centre , around
which is pressed a case - hardened , REVERSING LEVER REVERSING SHAFT
...
Сторінка 54
The engine was of the double - truck class , with boiler , cab , and tender on one
common main frame , while the cylinders were carried on the separate
drivingwheel frame that was free to rotate on its centre bearing that supported the
forward ...
The engine was of the double - truck class , with boiler , cab , and tender on one
common main frame , while the cylinders were carried on the separate
drivingwheel frame that was free to rotate on its centre bearing that supported the
forward ...
Сторінка 56
... frame , while rounding a curve in the track . In the plan of Fig . 10 , however ,
there is a stationary , curved link , or guide W taking its radius of curvature , like
the main reversing link , from the pin P and also containing a sliding block which
is ...
... frame , while rounding a curve in the track . In the plan of Fig . 10 , however ,
there is a stationary , curved link , or guide W taking its radius of curvature , like
the main reversing link , from the pin P and also containing a sliding block which
is ...
Сторінка 73
... inside of the frame , it was clearly necessary that the eccentric should be
placed on the crank axle inside the frame , with sheave and strap exactly like the
Stephenson eccentric , except , of course , that but one eccentric is used for each
link .
... inside of the frame , it was clearly necessary that the eccentric should be
placed on the crank axle inside the frame , with sheave and strap exactly like the
Stephenson eccentric , except , of course , that but one eccentric is used for each
link .
Сторінка 76
... across , under the boiler , that is really a strong cross - brace to the engine
frame at the point where such a brace is most needed an impossibility with the
common link motion - and this casting is used to carry the link and reversing shaft
.
... across , under the boiler , that is really a strong cross - brace to the engine
frame at the point where such a brace is most needed an impossibility with the
common link motion - and this casting is used to carry the link and reversing shaft
.
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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