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 16
... cylinder - one to each end — and while the valve is admitting live steam to the
cylinder through one of these ports , it is discharging the exhausted steam from
the other port , and vice versa . Usually , the direct exhaust port is located midway
...
... cylinder - one to each end — and while the valve is admitting live steam to the
cylinder through one of these ports , it is discharging the exhausted steam from
the other port , and vice versa . Usually , the direct exhaust port is located midway
...
Сторінка 18
PORT PISTON PISTON ROD STEAM PORTS CLOSEDC DOPEN EXHAUST Fig .
1. — The Main Valve ; showing admission and exhaust ports , the cylinder and
piston . compressible resistance as a cushion ; this earlier closing is spoken of as
...
PORT PISTON PISTON ROD STEAM PORTS CLOSEDC DOPEN EXHAUST Fig .
1. — The Main Valve ; showing admission and exhaust ports , the cylinder and
piston . compressible resistance as a cushion ; this earlier closing is spoken of as
...
Сторінка 31
... and this has carried the valve to the finish of its forward stroke , leaving the
back admission port and front port for exhaust wide open ; the crank proceeds in
its turning motion and when it has reached the forward dead - centre and the
piston ...
... and this has carried the valve to the finish of its forward stroke , leaving the
back admission port and front port for exhaust wide open ; the crank proceeds in
its turning motion and when it has reached the forward dead - centre and the
piston ...
Сторінка 32
... the upper end of the combination lever still inclines backward and has drawn
the valve to the finish of its backward stroke , with the front port opened for full
steam admission and the back port open from the cylinder to the exhaust ; a
quarter ...
... the upper end of the combination lever still inclines backward and has drawn
the valve to the finish of its backward stroke , with the front port opened for full
steam admission and the back port open from the cylinder to the exhaust ; a
quarter ...
Сторінка 54
... the cylinders were carried on the separate drivingwheel frame that was free to
rotate on its centre bearing that supported the forward end of the main frame ,
and it was through this centre bearing that the steam pipe passed , the exhaust
pipe ...
... the cylinders were carried on the separate drivingwheel frame that was free to
rotate on its centre bearing that supported the forward end of the main frame ,
and it was through this centre bearing that the steam pipe passed , the exhaust
pipe ...
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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