File:A textbook on the locomotive and the air brake (1901) (14572497147).jpg

Identifier: textbookonlocomo02inte (find matches)
Title: A textbook on the locomotive and the air brake
Year: 1901 (1900s)
Authors: International Correspondence Schools
Subjects: Locomotives Locomotive boilers Locomotives Railroad cars
Publisher: Scranton, Pa., International textbook co
Contributing Library: Northeastern University, Snell Library
Digitizing Sponsor: Northeastern University, Snell Library

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the pipes dip down under the floorand form a vertical loop that has to be drained. An ironplate I or / is fitted over the part of the floor where the pipespass under. THE CO:N^SOLrDATED COMPA^TTSSYSTEM. 77. A great number of cars, particularly in Canada and theWest, have been fitted with the heating apparatus of the Con-solidated Car Heating Company, whose systems embrace bothdirect steam and hot water. The genei-al scheme of conveyingand utilizing steam from the engine is virtually the same as inthe systems already described, except that in one of those aboutto be described, the steam mixes directly with the circulatingwater. ENGINE EQUIPMENT. 78. Fig. 27 shows the arrangement of the engine equip-ment, (a) being a side view, (6) an end view of the engine.Steam is taken from the boiler at the stop-valve F, passingthence by pipe p to pressure regulator R, which reduces itspressure down to the degree required in the train. From Rsteam passes through pipe F to the couplers between engine
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64 CAR HEATING. § 13 and tender, and thence along pipe P to the train. Thefitting t allows the steam to pass to the pressure gauge Gand relief valve v. The coupler c at rear of engine is theSewall lever coupler, the couplers c, c at each end of thetender being standard Sewall couplers. STOP-VAI.VE: PKESSTTRE REGULATOR. 79. The stop-valve used is a hard-seat valve of similardesign to that shown in Fig. 7. Its construction permits it tobe connected directly to the boiler, as in Fig. 27, or else placedhorizontally at the side of the boiler; or it can be located inany suitable position in the steam pipe. The pressure regulator is the same as shown in Fig. 20,namely, the Mason regulator. RELIEF VALVE. 80. The relief valve v is shown in section in Fig. 28. It isused for the purpose of relieving the train pipe and also towarn the engineer if the pressure in the train becomes greaterthan intended. It is usually set at 50 pounds. In the figure, a is the valve disk held down on its seat h byth

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