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 ...Norman W. Henley publishing Company, 1913 - 245 стор. |
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Сторінка 11
... cylinder , and discharge it therefrom after it has per- formed its work , were experimental and crude , until along about the year 1840 the double - eccentric hook- motion had naturally evolved into the shifting link action , under the ...
... cylinder , and discharge it therefrom after it has per- formed its work , were experimental and crude , until along about the year 1840 the double - eccentric hook- motion had naturally evolved into the shifting link action , under the ...
Сторінка 12
... expansive power of the steam in the cylinders — something that had always been impossible of attainment with the hook motion - he invented the form of valve gear that bears his name , and to - day it is 12 THE WALSCHAERT VALVE GEAR.
... expansive power of the steam in the cylinders — something that had always been impossible of attainment with the hook motion - he invented the form of valve gear that bears his name , and to - day it is 12 THE WALSCHAERT VALVE GEAR.
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 ex- hausted steam from the other port , and vice versa . Usually , the direct exhaust port is ...
... 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 ex- hausted steam from the other port , and vice versa . Usually , the direct exhaust port is ...
Сторінка 17
... cylinder is usually made hollow in order that the pressure against the outer ends of the pistons will be held in ... cylinder . Lead is the distance that the admission port is specially opened at the time when the piston is at an end ...
... cylinder is usually made hollow in order that the pressure against the outer ends of the pistons will be held in ... cylinder . Lead is the distance that the admission port is specially opened at the time when the piston is at an end ...
Сторінка 18
... cylinder at an earlier period in the finish of the piston's stroke , thus making use of the confined dead steam in its PISTON EX . PORT STEAM PORTS CYLINDER PISTON ROD CONNECTING ROD OPEN CLOSED , PISTON PISTON ROD CLOSED C D'OPEN ...
... cylinder at an earlier period in the finish of the piston's stroke , thus making use of the confined dead steam in its PISTON EX . PORT STEAM PORTS CYLINDER PISTON ROD CONNECTING ROD OPEN CLOSED , PISTON PISTON ROD CLOSED C D'OPEN ...
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90 degrees actuated admission port ahead Air Brake American Locomotive Company angle axle back end backward Baldwin Locomotive bell crank bination lever block boiler combination lever compression valve crosshead link cut-off D-slide valve dead centre diagrams direction disconnected distance driving wheels eccentric crank eccentric rod Egide Walschaert equal equipped exact centre exactly exhaust forward full gear Hobart-Allfree hub centre inches inside admission valves lap and lead length link foot link fulcrum live steam lost motion lower end main crank-pin main rod main valve main-pin moved pin hole piston valve port opening position quadrant radius bar radius rod reach rod return crank reverse lever reverse shaft rocker rocker-arm schaert shortened side steam lap Stephenson link motion stroke tion transmission bar upper end valve events valve motion valve rod valve stem valve-stem valves of inside vertical Walschaert eccentric Walschaert gear Walschaert motion Walschaert valve gear yoke