File:The Street railway journal (1903) (14760934782).jpg

Identifier: streetrailwayjo211903newy (find matches)
Title: The Street railway journal
Year: 1884 (1880s)
Authors:
Subjects: Street-railroads Electric railroads Transportation
Publisher: New York : McGraw Pub. Co.
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Smithsonian Libraries

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hrees to Canada,()klahoma, Trenton and elsewhere. Three have been sold to the Utica & Mohawk Valley Railroad, and others will go to the Pacific Slo))e. A few have been iiurchased I)y trolley com-panies for hauling coal and sui>ply cars. 48 STREET RAILWAY JOURNAL. (Vol. XXL No. i. ELECTRO-PNEUMATIC SYSTEM OF TRAIN CONTROLFOR BROOKLYN The Brooklyn Rapid Transit Company recently gave anorder to the Westinghouse Electric & Manufacturing Company,of Pittsburg, for 210 multiple train control equipments. In ad-dition to the order for 210 cars the company has already pur- car controller consists essentially of two drums which revolvein bearings, and stationary contact fingers, which make contactwith points upon the revolving drums, as in the ordinary handcontroller in universal use. The large or main drum opensthe main circuit and makes the motor and resistance com-binations, the small drum reverses the motors. The multiplecontrol switches, placed at the ends of each motor car, enable
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TRAiX K(iUllPED WITH ELECTRO-PNEUMATIC CONTROL SYSTEM chased about 150 equipments of the same type, which have beenin satisfactory operation for nearly a year. The Westinghouse multiple train control system was de-scribed in these columns two years ago, but a number ofchanges have been made in it, so that the present system is dif-ferent than that previously described. As will be rememberedthe Westinghouse system involves the use of compressedair for moving the current-controlling apparatus, electro-magnetic valves governing the admission of air to the con-trolling cylinders and low-voltageelectric circuits running from carto car for controlling the action ofthe magnet valves. The connec-tions for the low-voltage circuitsare the. only ones which have to RELEASE MAGNET,OPERATING MAGNET

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