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 21
Location of Stephenson Eccentrics on Axle , in Relation to the Crank - Pin . Fig . 3
is intended to represent the Stephenson link and eccentrics ; any movement of
the link - block A , gives a corresponding movement to the valve , so , if the link ...
Location of Stephenson Eccentrics on Axle , in Relation to the Crank - Pin . Fig . 3
is intended to represent the Stephenson link and eccentrics ; any movement of
the link - block A , gives a corresponding movement to the valve , so , if the link ...
Сторінка 25
ure eccentric of the Stephenson type would with its disk and strap around the
axle ; and in order to give this kind of an eccentric the advance necessary to
secure lead , or overcome the outside lap , with outside admission valves we
must ...
ure eccentric of the Stephenson type would with its disk and strap around the
axle ; and in order to give this kind of an eccentric the advance necessary to
secure lead , or overcome the outside lap , with outside admission valves we
must ...
Сторінка 34
With the Stephenson motion the curve of the link is made on a radius from the
main axle upon which the eccentrics are mounted , so that as the link may be
raised or lowered any point within it will be at a constant relative distance from
the ...
With the Stephenson motion the curve of the link is made on a radius from the
main axle upon which the eccentrics are mounted , so that as the link may be
raised or lowered any point within it will be at a constant relative distance from
the ...
Сторінка 35
the radius of the link , and because the link does not change its position in
relation to the axle , the curve need not be as it was , and we have reasons for
curving it in the opposite direction - reasons soon to be shown . First , we will
hitch - up ...
the radius of the link , and because the link does not change its position in
relation to the axle , the curve need not be as it was , and we have reasons for
curving it in the opposite direction - reasons soon to be shown . First , we will
hitch - up ...
Сторінка 38
... from the farthest go - ahead position clear over to the back corner notch of the
quadrant without disturbing the position of the valve , and this is because the
eccentric at a point directly above or below the centre of the main axle holds the
link ...
... from the farthest go - ahead position clear over to the back corner notch of the
quadrant without disturbing the position of the valve , and this is because the
eccentric at a point directly above or below the centre of the main axle holds the
link ...
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Загальні терміни та фрази
action admission port admission valves advance American amount angle axle block broken carried cause centre cents combination lever complete compression connection construction correct cover crank crosshead cut-off cylinder dead described desired diagrams direction disconnected distance drawings driving eccentric rod edition effect engine equal exactly exhaust explained forward frame front fulcrum fully give given illustrated inches inside admission latter lead length link motion link-block locomotive lower end main rod main-pin manner mechanism method moved movement necessary notch obtained opening operation opposite piston placed position practical Price quarter question radius rod reference represents reverse lever secure short shortened showing shown side steam Stephenson link stroke tion troubles turning upper valve motion valve-stem vertical Walschaert gear Walschaert valve gear weight wheel
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Сторінка 244 - The clutch, change speed gearing and transmission system are considered in detail. Contains instructions for repairing all types of axles, steering gears and other chassis parts. Many tables, short cuts in figuring and rules of practice are given for the mechanic. Explains fully valve and magneto timing, "tuning...