Modern locomotive engineering, with questions and answers .. (1913)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & co · leaf 677
er a single or duplex regulat- 648 LOCOMOTIVE ENGINEERING ing portion, as soon as the pressure in the brake pipeis great enough to overcome the resistance of the springPG 10 which is holding the diaphragm PG 13 seated overport B, the pressure will pass through passage E toconnection D, and by… … Fig. 283. As soon as the pressure falls in the brake pipe belowthe adjustment of spring PG 10, the latter will forcediaphragm PG 13 to its seat, closing off port B, where-upon pressure in passage E, and piping connectingsupply and regulating portions, and space E above pis-ton PG 4 will immediately…
Locomotives
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