. The Street railway journal . ome is omitted and instead three crossribs with reinforcements of metal are employed. The cableconnection between the base and the roof cable is entirely undercover and is consequently protected from weather and me-chanical abrasion. NEW WESTINGHOUSE ELECTRIC TRAIN CONTROL AND COUPLERS A new system of electropneumatic control for the operationof motors upon the several cars of a train, which the Westing-house Company has just announced, has been the subject ofextended investigation and tests during the last few months,and is now employed under ordinary commercial
. The Street railway journal . ome is omitted and instead three crossribs with reinforcements of metal are employed. The cableconnection between the base and the roof cable is entirely undercover and is consequently protected from weather and me-chanical abrasion. NEW WESTINGHOUSE ELECTRIC TRAIN CONTROL AND COUPLERS A new system of electropneumatic control for the operationof motors upon the several cars of a train, which the Westing-house Company has just announced, has been the subject ofextended investigation and tests during the last few months,and is now employed under ordinary commercial conditionson the experimental car, John B. McDonald, of the New YorkSubway Company. The apparatus is a modification of thegeneral design of that supplied by the Westinghouse Companyto the Brooklyn Rapid Transit Company for its elevated trains. The improvement consists in arranging within one compactstructrn^e the electropneumatic devices to operate simple formsof electric switches, including a safety circuit breaker, together. NHW ELECTRO-PNEUMATIC (OXTROL with automatic means for preventing the admission of too muchcurrent to the motors, thus not only effecting a saving in theamount of current used but also insuring smooth operation oftrains. Instead of employing a drum controller, operatedelectropneumatically as heretofore, the new system c(jmprisesa series of switches which are individually operated by electro-pneumatic appliances similar in character to those employedl>y the Union Switch & Signal Company in operating its electro-]jneumatic signaling system. The electropneumatic switchesare operated progressively, the valves being arranged to admitair to the respective operating cylinders at predeterminedperiods and at a rate to insure graduated acceleration of thetrain, at the same time guarding against sudden rushes ofcurrent. The organization is such that excessive current can-not be admitted to the motors, and this not only protects the
Size: 2373px × 1053px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
