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 22
... in which the wheel is turning : it may do either ; so , during the course of this article when the location of the eccentric is mentioned as being ahead of , or follow- ing , the main - pin , we will assume 22 THE WALSCHAERT VALVE GEAR.
... in which the wheel is turning : it may do either ; so , during the course of this article when the location of the eccentric is mentioned as being ahead of , or follow- ing , the main - pin , we will assume 22 THE WALSCHAERT VALVE GEAR.
Сторінка 23
... turning ; they would turn to the right , the eccentric on the visible side would push the valve forward , and the . back , or left , port would begin to open and admit steam to the cylinder against the back of the piston . In starting ...
... turning ; they would turn to the right , the eccentric on the visible side would push the valve forward , and the . back , or left , port would begin to open and admit steam to the cylinder against the back of the piston . In starting ...
Сторінка 24
... turning back- ward . This would now give the proper motion to the valve for running the engine backward , and of course the direction is fixed : it can only run that way . Besides having no power to turn the wheel when the main - pin is ...
... turning back- ward . This would now give the proper motion to the valve for running the engine backward , and of course the direction is fixed : it can only run that way . Besides having no power to turn the wheel when the main - pin is ...
Сторінка 31
... turning motion and when it has reached the forward dead - centre and the piston is at the front end of the cylinder , the eccentric will be at the lower quarter , and the valve would be once more centred on its seat - but for the ...
... turning motion and when it has reached the forward dead - centre and the piston is at the front end of the cylinder , the eccentric will be at the lower quarter , and the valve would be once more centred on its seat - but for the ...
Сторінка 47
... turning only in the hole through the link - block . The openings 7a , 76 , in the outer link bracket , besides giving access to the link slot for oiling , may also be used as an aper- ture through which the link - block pin can be ...
... turning only in the hole through the link - block . The openings 7a , 76 , in the outer link bracket , besides giving access to the link slot for oiling , may also be used as an aper- ture through which the link - block pin can be ...
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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