. The Street railway journal . FIG. 16.—SECTIONS OF MASTER CONTROLLER valve of the pneumatic master controller. According as theone piston or the other is connected with the reservoir or theopen air, the plate assumes the corresponding position. SPEED REGULATORThe speed regulator serves for connecting the two twin mo- FIG. 15.—TROLLEY CASK the piston is in connection with the atmosphere through thespeed-regulating valve of the pneumatic master , when the lever, F, of the master controller is in the posi-tion indicating high speed, compressed air flows through thespeed-regulating
. The Street railway journal . FIG. 16.—SECTIONS OF MASTER CONTROLLER valve of the pneumatic master controller. According as theone piston or the other is connected with the reservoir or theopen air, the plate assumes the corresponding position. SPEED REGULATORThe speed regulator serves for connecting the two twin mo- FIG. 15.—TROLLEY CASK the piston is in connection with the atmosphere through thespeed-regulating valve of the pneumatic master , when the lever, F, of the master controller is in the posi-tion indicating high speed, compressed air flows through thespeed-regulating valve into the lower part of the cylinder, andin consequence of the larger pressure surface the piston ispressed up and thus it effects the connection in single. Sincethe corresponding lever of the pneumatic master controllercan be moved only when the starting lever is at zero, it is im-possible to operate the speed regulatorexcept when it is without current. WATER RHEOSTATFor every twin motor there is awater rheostat, whi
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
