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
... as they must be made , between the radius rod and valve - stem , and the
combination lever ; these points , however , will be explained at the proper time .
Fig . 2 represents the idea of “ direct motion THE WALSCHAERT VALVE GEAR
19.
... as they must be made , between the radius rod and valve - stem , and the
combination lever ; these points , however , will be explained at the proper time .
Fig . 2 represents the idea of “ direct motion THE WALSCHAERT VALVE GEAR
19.
Сторінка 33
5 , and that part of the rod that is still connected with the return crank we will
continue to call the eccentric rod , but the front section of the rod that connects
with the combination lever will be referred to as the “ radius rod . ” The word
radius is ...
5 , and that part of the rod that is still connected with the return crank we will
continue to call the eccentric rod , but the front section of the rod that connects
with the combination lever will be referred to as the “ radius rod . ” The word
radius is ...
Сторінка 34
instance , measured out from the hub centre to the periphery ; one end of the radii
is a fixed point , — the forward end of the radius rod is " fixed ” at a point on the
combination lever — with its other end rotating about it , — the back end of our ...
instance , measured out from the hub centre to the periphery ; one end of the radii
is a fixed point , — the forward end of the radius rod is " fixed ” at a point on the
combination lever — with its other end rotating about it , — the back end of our ...
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 ... The link - block
too has been retained , and to it we will attach the back end of the radius rod (
see Fig .
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 ... The link - block
too has been retained , and to it we will attach the back end of the radius rod (
see Fig .
Сторінка 36
6 the link - block and radius rod are at the lower end of the link , and there is , in
effect , a straight line of motion from eccentric to valve , by which we have for the
time a direct motion engine . As the wheel turns forward the eccentric will move ...
6 the link - block and radius rod are at the lower end of the link , and there is , in
effect , a straight line of motion from eccentric to valve , by which we have for the
time a direct motion engine . As the wheel turns forward the eccentric will move ...
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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