Cyclopedia de l'ingénierie des locomotives, avec des questions et des réponses d'examen; un manuel pratique sur les soins de construction et la gestion des locomotives modernes . Figure 164injecteur Metropolitan 1898, vue en coupe le levier, partie 292, ouvre la vanne de vapeur, partie 206, qui admet la vapeur au jet de vapeur de forçage, partie 207, qui est condensée par l'eau qui se trouve dans la chambre intermédiaire et dans le tube de combinaison de forçage, partie 208, Créer une pression dans le chamberde refoulement de l'injecteur, suffisante pour fermer la soupape de trop-débit, partie 215, et un mouvement supplémentaire DES INJECTEURS, STEA

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Cyclopedia of locomotive engineering, with examination questions and answers; a practical manual on the construction care and management of modern locomotives . Figure 164Metropolitan 1898 Injector, Sectional View the lever, part 292, opens the steam valve, part 206, which admits steam to the forcing steam jet, part 207, which is condensed by the water which is in the inter-mediate chamber and in the forcing combining tube, part 208, creating a pressure in the delivery chamberof the injector, which is sufficient to close the over-flow valve, part 215; and a further movement of the INJECTORS, STEAM GAUGES ETC. 361 lever, part 292, closes the final overthrow valvethereby turning the water from the overflow into theboiler, thus opening the check valve, part 210. Whenthe injector is working, the overflow valve is closed andheld to its seat by pressure equal to the boiler pressure.The capacity of the Metropolitan 1898 locomotiveinjector is regulated by increasing or decreasing theamount of steam to the lifting steam jet, part 224, by. Figure 165 Swing Intermediate Check Valves, Exterior View means of the regulating valve, part 301. When thisvalve is wide open, the lifting steam jet, part 224, receives a full amount of steam, which enables the lift-ing apparatus of the injector to lift the greatest quan-tity of water and deliver it to the forcing apparatus.When this regulating valve, part 301, is partiallyclosed, it will partially close the opening into the lift-ing steam jet, part 224, decreasing the flow of steam, which will decrease the amount of water lifted by thglifting apparatus. This arrangement has been found 362 LOCOMOTIVE ENGINEERING to be far better than the old method of throttling thewater supply. It enables the injector to run steadierwhen working at its minimum capacity and alsoenables the capacity to be reduced more. To use the injector as a heater, lift the side links, part 286, by means of the small handle on same, andpull the links back until the pin, part 28

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