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
... steam from the boiler to 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 ...
... steam from the boiler to 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 ...
Сторінка 12
... the 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.
... the 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 15
... steam engine in its ' most primitive form is already under- stood at least , the valve itself . We will , however , start , in this building - up of our prospective Walschaert motion , with the plainest pattern of valve - actuating gear ...
... steam engine in its ' most primitive form is already under- stood at least , the valve itself . We will , however , start , in this building - up of our prospective Walschaert motion , with the plainest pattern of valve - actuating gear ...
Сторінка 16
... steam valves , but all do practically the same work : that of admitting and releasing steam to and from the cylinder in which the energy of the steam is transformed into piston power - the power that makes the wheels go ' round . With ...
... steam valves , but all do practically the same work : that of admitting and releasing steam to and from the cylinder in which the energy of the steam is transformed into piston power - the power that makes the wheels go ' round . With ...
Сторінка 17
... steam pressure bearing against them — the packing rings are not balanced at all ; while a D - slide valve may have nearly all of its bearing surface balanced . Lap is the distance by which the valve overcovers the steam admission port ...
... steam pressure bearing against them — the packing rings are not balanced at all ; while a D - slide valve may have nearly all of its bearing surface balanced . Lap is the distance by which the valve overcovers the steam admission port ...
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Загальні терміни та фрази
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