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 18
... by closing the exhaust from the cylinder at an earlier period in the finish of the
piston's stroke , thus making use of the confined dead steam in its CYLINDER
PISTON CRANK PISTON ROD CONNECTING ROD SHAFT th OPEN CLOSED
EX .
... by closing the exhaust from the cylinder at an earlier period in the finish of the
piston's stroke , thus making use of the confined dead steam in its CYLINDER
PISTON CRANK PISTON ROD CONNECTING ROD SHAFT th OPEN CLOSED
EX .
Сторінка 25
... main - pin to the main shaft , or axle , -a braking effect , but this is not generally
admitted . Lead not only cushions the piston at the end of the stroke , but also
gets the power of the steam against the piston earlier at the beginning of the
stroke ...
... main - pin to the main shaft , or axle , -a braking effect , but this is not generally
admitted . Lead not only cushions the piston at the end of the stroke , but also
gets the power of the steam against the piston earlier at the beginning of the
stroke ...
Сторінка 27
And this proves that with any kind of valve motion where but one eccentric is
used , lead cannot be satisfactorily derived from advancing or receding the
position of that eccentric on the main - shaft or its relation toward the main crank -
pin ...
And this proves that with any kind of valve motion where but one eccentric is
used , lead cannot be satisfactorily derived from advancing or receding the
position of that eccentric on the main - shaft or its relation toward the main crank -
pin ...
Сторінка 45
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 LAP + LEAD LAP + LEAD REVERSING SHAFT LEAD
ÇCENTRIC ...
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 LAP + LEAD LAP + LEAD REVERSING SHAFT LEAD
ÇCENTRIC ...
Сторінка 49
The trunnion , 3b , on the inner side is also dispensed with , while the outer
trunnion is made considerably longer and extends through a sort of journal box in
the manner of the common rocker shaft , and to its outer end is attached an arm ,
or ...
The trunnion , 3b , on the inner side is also dispensed with , while the outer
trunnion is made considerably longer and extends through a sort of journal box in
the manner of the common rocker shaft , and to its outer end is attached an arm ,
or ...
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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