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 20
... Forward FIG . 2. - The Simplest Form of Steam Engine ; Direct Valve Motion . rough - the rough ashlar - that we are to develop , for , while this engine will run , and do very well under certain conditions , it is a wasteful power ...
... Forward FIG . 2. - The Simplest Form of Steam Engine ; Direct Valve Motion . rough - the rough ashlar - that we are to develop , for , while this engine will run , and do very well under certain conditions , it is a wasteful power ...
Сторінка 21
... forward - to the right . But before going further it is best to explain how to take the expression , in hearing it said that an eccentric is " ahead " or " behind " the main crank - pin : Axle E B Go Ahead Crank A Pin C Back up FIG . 3 ...
... forward - to the right . But before going further it is best to explain how to take the expression , in hearing it said that an eccentric is " ahead " or " behind " the main crank - pin : Axle E B Go Ahead Crank A Pin C Back up FIG . 3 ...
Сторінка 22
... forward . As the wheel revolved to the right eccentric B would follow in the same direction and one - fourth of a turn behind the main - pin , and be said to be " a quarter behind the main pin , ” which it always is with indirect motion ...
... forward . As the wheel revolved to the right eccentric B would follow in the same direction and one - fourth of a turn behind the main - pin , and be said to be " a quarter behind the main pin , ” which it always is with indirect motion ...
Сторінка 23
... forward . It is understood that in Fig . 2 the valve is of outside admission ; the eccentric E is just 90 degrees from the main - pin , and the valve is in an exactly central position on its seat - therefore without lead . If the steam ...
... forward . It is understood that in Fig . 2 the valve is of outside admission ; the eccentric E is just 90 degrees from the main - pin , and the valve is in an exactly central position on its seat - therefore without lead . If the steam ...
Сторінка 24
... forward - the direction in which the piston will have to travel : and to accomplish this , the position of the eccentric must be changed to a point on the wheel exactly its opposite in location — 90 degrees on the other side of the main ...
... forward - the direction in which the piston will have to travel : and to accomplish this , the position of the eccentric must be changed to a point on the wheel exactly its opposite in location — 90 degrees on the other side of the main ...
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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