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 28
... eccentric rod and dropping the end of the latter slightly , con- nect it to the " combination lever , " - see Fig . 5 . With the combination lever in a plumb vertical position we will also connect the valve - stem to its extreme upper ...
... eccentric rod and dropping the end of the latter slightly , con- nect it to the " combination lever , " - see Fig . 5 . With the combination lever in a plumb vertical position we will also connect the valve - stem to its extreme upper ...
Сторінка 29
... eccentric rod and valve - stem to the combination lever , while the point of application of power is at the lower end . As it is the duty of the combination lever to modify the motion that the eccentric delivers to the valve , we must ...
... eccentric rod and valve - stem to the combination lever , while the point of application of power is at the lower end . As it is the duty of the combination lever to modify the motion that the eccentric delivers to the valve , we must ...
Сторінка 33
... eccentric rod at about the point marked X in Fig . 5 , and that part of the rod that is still connected with the return crank we will continue to call the eccentric rod , but the front section of the rod that connects with the ...
... eccentric rod at about the point marked X in Fig . 5 , and that part of the rod that is still connected with the return crank we will continue to call the eccentric rod , but the front section of the rod that connects with the ...
Сторінка 34
... rod is " fixed " at a point on the combination lever - with its other end rotating about it , the back end of our radius rod will have a limited distance for rotation also . The common double - eccentric gear - the Stephenson motion ...
... rod is " fixed " at a point on the combination lever - with its other end rotating about it , the back end of our radius rod will have a limited distance for rotation also . The common double - eccentric gear - the Stephenson motion ...
Сторінка 35
... eccentric rod , and having made this connection we have given a definite motion to the link ; it is somewhat as though we had left the " back - up " eccentric , only , of the Stephenson gear still in connection with the link . The link ...
... eccentric rod , and having made this connection we have given a definite motion to the link ; it is somewhat as though we had left the " back - up " eccentric , only , of the Stephenson gear still in connection with the link . The link ...
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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