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, 1912 - 245 стор. |
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Сторінка 16
... exhaust port is located midway between the two steam admission ports . An outside admission valve is one that starts the piston moving in the same direction in which the valve is travelling at the time the admission port is opened , and ...
... exhaust port is located midway between the two steam admission ports . An outside admission valve is one that starts the piston moving in the same direction in which the valve is travelling at the time the admission port is opened , and ...
Сторінка 18
... EXHAUST PISTON PISTON ROD DOPEN FIG . 1. The Main Valve ; showing admission and exhaust ports , the cylinder and piston . compressible resistance as a cushion ; this earlier closing is spoken of as the " cut - off " of the exhaust . Cut ...
... EXHAUST PISTON PISTON ROD DOPEN FIG . 1. The Main Valve ; showing admission and exhaust ports , the cylinder and piston . compressible resistance as a cushion ; this earlier closing is spoken of as the " cut - off " of the exhaust . Cut ...
Сторінка 31
... exhaust wide open ; the crank proceeds in its 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 ...
... exhaust wide open ; the crank proceeds in its 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 ...
Сторінка 32
... exhaust ; a quarter - turn more brings the whole gear back to the original positions of the several parts as presented in Fig . 5 . We have described the action of the gear at four points in the revolution of the driving wheel - a com ...
... exhaust ; a quarter - turn more brings the whole gear back to the original positions of the several parts as presented in Fig . 5 . We have described the action of the gear at four points in the revolution of the driving wheel - a com ...
Сторінка 54
... exhaust pipe being made flexible . The entire weight of the engine was on the driving wheels , and the adhesion of those small wheels to the rails was unusually great and aided the power that was developed ; but it is in the cylinders ...
... exhaust pipe being made flexible . The entire weight of the engine was on the driving wheels , and the adhesion of those small wheels to the rails was unusually great and aided the power that was developed ; but it is in the cylinders ...
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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 eccentric to valve Egide Walschaert equal equipped exact centre exactly exhaust forward full gear hub centre inches inside admission valves length link foot link fulcrum live steam lost motion lower end main crank-pin main rod main-pin main-valve moved pin hole piston valve port opening position quadrant radius bar radius rod return crank reverse lever reverse shaft rocker rocker-arm schaert shortened side steam chest steam lap Stephenson link motion stroke tion transmission bar trunnion 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