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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Результати 1-5 із 42
Сторінка 35
... the radius rod with it without producing any motion whatever at the front end
connection of the radius rod with the combination lever . To make this possible
the forward curve of the link must have a radius equal to the length of the radius
rod .
... the radius rod with it without producing any motion whatever at the front end
connection of the radius rod with the combination lever . To make this possible
the forward curve of the link must have a radius equal to the length of the radius
rod .
Сторінка 38
If the motion work has been correctly designed and " set up , " and particularly if
the eccentric rod is of the correct length , when the engine is standing on either
dead centre the reverse lever can be shifted from the farthest go - ahead position
...
If the motion work has been correctly designed and " set up , " and particularly if
the eccentric rod is of the correct length , when the engine is standing on either
dead centre the reverse lever can be shifted from the farthest go - ahead position
...
Сторінка 40
of the eccentric — the diameter of the circular path in which it travels — must be
of the same length as the full travel of the valve , as there is nothing intervening to
shorten or lengthen the motion ; and this equality of motion is carried on ...
of the eccentric — the diameter of the circular path in which it travels — must be
of the same length as the full travel of the valve , as there is nothing intervening to
shorten or lengthen the motion ; and this equality of motion is carried on ...
Сторінка 52
The only part capable of variation in length is the eccentric rod which connects
the return crank with the link ; this rod may be slightly lengthened or shortened ,
to correct errors in the location of the link centre , from centre of the driving axle ...
The only part capable of variation in length is the eccentric rod which connects
the return crank with the link ; this rod may be slightly lengthened or shortened ,
to correct errors in the location of the link centre , from centre of the driving axle ...
Сторінка 55
FT . length before the Master Mechanics ' Convention in 1885. Although a D -
slide valve is used , the position of the valve chest is further in toward the centre
line of the engine than is common , this inlying being more common to valves of
the ...
FT . length before the Master Mechanics ' Convention in 1885. Although a D -
slide valve is used , the position of the valve chest is further in toward the centre
line of the engine than is common , this inlying being more common to valves of
the ...
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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