A textbook on the locomotive and the air brake (1901)
International Correspondence Schools · Scranton, Pa., International textbook co · leaf 382
s the admission of air to thesignal system; it is operated by the stem of the diaphragmplate 8 and by the supply-valve spring 10. 7 is the rubber §1S THE NEW* YORK AIR BRAKE. diaphragm; 6; the diaphragm ring; and 9, the regulatingspring. In this valve the spring 9 is made strong enoughto just… … 3. Operation of Valve.—The operation of this valve is asfollows: The spring 9, acting on the diaphragm plate 8, causesthe stem of plate to hold the supply valve 4 from its seat, sothat main-reservoir pressure entering at X is free to passthrough the passages 2, 2, past valve 4. and into chamber B,…
Locomotives · Locomotive boilers · Railroad cars
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