Valve setting: simple methods of setting the plain slide valve. Meyer cut-off. Corliss. and poppet types (1908)
Collins, Hubert Edwin, 1872- · New York [etc.] Hill publishing company · leaf 209
nd valve forms a cushion which is so adjustedand gradually reduced that the valve is brought gently to its seat withoutnoise or pounding. A third type of valve gear is shown in Fig. 198. In this both the inletand discharge valves are of the rotary pattern, positively operated by inde-pendent… … FIG. 198.— AIR CYLINDER WITH MECHANICAL DISCHARGE VALVE. end of its stroke and to open at any predetermined maximum dischargepressure required. In addition to the rotary discharge valves, the cylinderis fitted with auxiliary poppet valves of the steel-cup type, which serveas relief valves in case…
Steam-engines
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