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 17
... distance by which the valve overcovers the steam admission port - the distance the valve must be moved from an exact central position on its seat before the port begins to open to admit steam to the cylinder . Lead is the distance that ...
... distance by which the valve overcovers the steam admission port - the distance the valve must be moved from an exact central position on its seat before the port begins to open to admit steam to the cylinder . Lead is the distance that ...
Сторінка 24
... distance equal to the amount of outside , or steam , lap , before the cylinder could begin to receive steam through the admission port . So that valve - advance , or lead , will be the first re- quirement in remodelling the engine of ...
... distance equal to the amount of outside , or steam , lap , before the cylinder could begin to receive steam through the admission port . So that valve - advance , or lead , will be the first re- quirement in remodelling the engine of ...
Сторінка 25
... distance from the hub centre . Now , we find that the eccentric is more than 90 degrees from the main - pin , and that its advance that we have given has pushed the valve forward far enough so that the back - left port - is opened a ...
... distance from the hub centre . Now , we find that the eccentric is more than 90 degrees from the main - pin , and that its advance that we have given has pushed the valve forward far enough so that the back - left port - is opened a ...
Сторінка 26
... distance of lap plus lead . In Fig . 4 we have taken the engine illustrated in Fig . 2 , and interposed the double rocker - arms be- Indirect Valve Motion Engine Runs Forward FIG . 4. - Simple Form of Steam Engine with Indirect Valve ...
... distance of lap plus lead . In Fig . 4 we have taken the engine illustrated in Fig . 2 , and interposed the double rocker - arms be- Indirect Valve Motion Engine Runs Forward FIG . 4. - Simple Form of Steam Engine with Indirect Valve ...
Сторінка 28
... distance . from eccentric to valve is not changed and its attach- ment has had no effect on the valve , which is central on its seat with both admission ports covered ; but if we move the lower end of the combination lever forward it ...
... distance . from eccentric to valve is not changed and its attach- ment has had no effect on the valve , which is central on its seat with both admission ports covered ; but if we move the lower end of the combination lever forward it ...
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Загальні терміни та фрази
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 chart 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 inside admission valves lathes lead length link foot 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 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
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Сторінка 244 - The clutch, change speed gearing and transmission system are considered in detail. Contains instructions for repairing all types of axles, steering gears and other chassis parts. Many tables, short cuts in figuring and rules of practice are given for the mechanic. Explains fully valve and magneto timing, "tuning...