The Walschaert and Other Modern Radial Valve Gears for Locomotives: A Practical Treatise on the Locomitive Valve Actuating Mechanism Invented by Egide Walschaert, with the History of Its Development and Its Evolution Into the Mechanically Correct Locomotive Valve Gear of the Present DayNorman W. Henley Publishing Company, 1920 - 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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35 cents 90 degrees A. A. HOUGHTON admission port American Locomotive American Locomotive Company angle automobile axle Baldwin Locomotive bell crank bination lever block boiler Cloth combination lever concrete connection construction crosshead cut-off cylinder dead centre diagrams direction disconnected distance driving wheels eccentric crank eccentric rod edition Egide Walschaert electrical engine exhaust forward frame full gear fully illustrated give inches lathes lead length link foot link fulcrum link-block live steam lost motion lower end lubrication main crank-pin main rod main-pin mechanism modern molds motor moved notch O'CONOR SLOANE operation pin hole piston valve port opening position practical Price radius bar radius rod railroad repair reverse lever reverse shaft schaert shortened shown side Stephenson link motion stroke tion transmission bar treatise upper end valve motion valve rod valve stem valve-stem vertical Walschaert gear Walschaert motion Walschaert valve gear yoke