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 30
If the outside lap of the valve amounts to one ( 1 ) inch , and the required port
opening for lead is onethirty - second ( 32 ) inch , the distance between the
vertical ... 5 - be just one and one - thirtysecond ( 132 ) inches , equalling lap plus
lead .
If the outside lap of the valve amounts to one ( 1 ) inch , and the required port
opening for lead is onethirty - second ( 32 ) inch , the distance between the
vertical ... 5 - be just one and one - thirtysecond ( 132 ) inches , equalling lap plus
lead .
Сторінка 31
5 , with the result that the distance from eccentric to valve will be shortened by
that angle , and the valve drawn back exactly one and one - thirty - second ( 132 )
inches ( we are assuming that the valve has one ( 1 ) inch outside , or steam , lap
...
5 , with the result that the distance from eccentric to valve will be shortened by
that angle , and the valve drawn back exactly one and one - thirty - second ( 132 )
inches ( we are assuming that the valve has one ( 1 ) inch outside , or steam , lap
...
Сторінка 46
Just above the pin hole 4a there is an oil well finished in the top of the link foot , 1
inches in diameter by 1 inches deep , with a 1 - inch hole drilled down from the
bottom and through the bushing of the eccentric rod pin hole for the feed of the oil
...
Just above the pin hole 4a there is an oil well finished in the top of the link foot , 1
inches in diameter by 1 inches deep , with a 1 - inch hole drilled down from the
bottom and through the bushing of the eccentric rod pin hole for the feed of the oil
...
Сторінка 47
It will be seen that the link - block contains an oil well , shown by the dotted lines
at 9c and 9d , 1 inch in diameter by 1 inches deep , with a 4 - inch feed hole from
it down to the link - block pin . The radius rod lies in an exact line with the link ...
It will be seen that the link - block contains an oil well , shown by the dotted lines
at 9c and 9d , 1 inch in diameter by 1 inches deep , with a 4 - inch feed hole from
it down to the link - block pin . The radius rod lies in an exact line with the link ...
Сторінка 54
... and they were not large - 16 inches by 24 inches — and I believe that the
correct distribution of steam by a properly designed and worthy style of valve
gear had much to do with the production of power ; the results were obtained , all
right .
... and they were not large - 16 inches by 24 inches — and I believe that the
correct distribution of steam by a properly designed and worthy style of valve
gear had much to do with the production of power ; the results were obtained , all
right .
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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