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 107
of the balance pistons during expansion, recesses or relief cham-bers. Fig. 96, are cut in the valve seats and filled with live steam fromthe interior of the valve through holes y, thus allowing the steam pressureto get behind the valve and balance it. Channels z, cut clear across thevalve face,… … EXHAUST CHAMBER-FIG. 101. — PISTON VALVE. to be balanced by the cylinder pressure during admission. Small coilsprings behind the balance pistons hold the valve in place while steam isshut off the engine. It is not attempted to balance the valve entirely;enough excess pressure is allowed to hold the…
Steam-engines
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