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
... determined by the notch of the quadrant in which the reverse lever is placed .
Fig . I is a simple sketch illustrating the theory of the main valve of an engine . But
it doesn't make any difference what kind of a valve is used in connection with the
...
... determined by the notch of the quadrant in which the reverse lever is placed .
Fig . I is a simple sketch illustrating the theory of the main valve of an engine . But
it doesn't make any difference what kind of a valve is used in connection with the
...
Сторінка 37
... instead of the link itself sliding down on the block as it does with the
Stephenson gear ; and when the reverse lever is placed in a notch back of the
centre of the quadrant the link - block rises to a point above the centre of the link ,
carrying the ...
... instead of the link itself sliding down on the block as it does with the
Stephenson gear ; and when the reverse lever is placed in a notch back of the
centre of the quadrant the link - block rises to a point above the centre of the link ,
carrying the ...
Сторінка 46
... following the arc of the link until it entered the slot shown by the dotted lines 6a
. Taking an end view , if the link - block , as shown in the section D , should be
placed in the slot of the link piece of section B , it would be 46 THE
WALSCHAERT ...
... following the arc of the link until it entered the slot shown by the dotted lines 6a
. Taking an end view , if the link - block , as shown in the section D , should be
placed in the slot of the link piece of section B , it would be 46 THE
WALSCHAERT ...
Сторінка 50
... placed an extravagant valuation on the mechanism that had been so hard for
them to thoroughly understand : and to find something better , 50 THE
WALSCHAERT VALVE GEAR.
... placed an extravagant valuation on the mechanism that had been so hard for
them to thoroughly understand : and to find something better , 50 THE
WALSCHAERT VALVE GEAR.
Сторінка 61
If the reverse lever should be placed in full gear ahead , or back , one of the
steam - admission ports would be wide open ; it would , indeed , be a finely
adjusted gear in which the valve would feel the effect of that variation . In Fig . 11 ,
notice ...
If the reverse lever should be placed in full gear ahead , or back , one of the
steam - admission ports would be wide open ; it would , indeed , be a finely
adjusted gear in which the valve would feel the effect of that variation . In Fig . 11 ,
notice ...
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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