Stationary steam engines, simple and compound; especially as adapted to electric lighting purposes . ervedby nearly all copyists, and the parts of the valve gearand details of regulating mechanism have been seldommuch modified. A few builders have, however, madechanges which are worthy of notice, but which we havenot time or space to study as they deserve. The action of the Corliss engine is as follows r1 The valves are driven by the eccentric rod through the wrist-plate, Ey vibrating on a pin projecting from the 1. History of the growth of the Steam Engine. D. Appleton & Co., N. Y. 1S78. 26 S
Stationary steam engines, simple and compound; especially as adapted to electric lighting purposes . ervedby nearly all copyists, and the parts of the valve gearand details of regulating mechanism have been seldommuch modified. A few builders have, however, madechanges which are worthy of notice, but which we havenot time or space to study as they deserve. The action of the Corliss engine is as follows r1 The valves are driven by the eccentric rod through the wrist-plate, Ey vibrating on a pin projecting from the 1. History of the growth of the Steam Engine. D. Appleton & Co., N. Y. 1S78. 26 STEAM ENGINES FOR cylinder. Links, E E>, E Z>, E F, E E, take motion, fromproperly set pins on this wrist-plate, to the steam valverock-shafts, D, E>, and to the exhaust valves, E, E, movingthem with a peculiar varying motion in such a manner as toopen and close the ports rapidly, and to hold them open, whenthe valves are off the ports, in such a way as to give theleast possible loss of pressure during the exit or the entranceof steam. The links leading to the steam valves are fitted. The Corliss Engine. with catches, or latches, which may be disengaged, as thevalve opens, at any desired point within about half stroke;and the time of this disengagement is determined by therotation of a cam seen on the valve stem above D, whichcam is rotated by the governor through the rod If, leadingoff to the left. The slowing of the engine, in consequenceof reduced steam pressure or of increased load, causes thecatch to hold its contact longer and the steam to follow ELECTRIC LIGHTING PLANTS. 2? farther, and the reverse. When the catch is disengaged,the valve is closed by a spring or weight attached to the rum
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectsteamen, bookyear1890
