Modern locomotive engineering, with questions and answers .. (1913)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & co · leaf 676
ps of the Controller and Duplex Pump DUPLEX PRESSURE CONTROLLER 647 Governor are cut in, giving a pressure of seventy poundsto the brake pipe, and ninety pounds to the main reser-voir. When the cocks are reversed, one hundred andten pounds will then be carried in the brake pipe, andone hundred and… … duplex and single regulating portions. Fig. 286 showsthe supply portion in section. Referring toFig. 286, con-nection is made with the main reservoir at M. R. andby means of the cored passage, air is free to pass to theunder side of the valve P G 95. Connection BV leads tothe brake valve, main…
Locomotives
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