Steam power plant auxiliaries and accessories; (1922)
Croft, Terrell, 1880- ed, Dufflin, Daniel John, 1911- ed · New York, [etc] McGraw-Hill book company, Inc · leaf 76
mmw\\wmw\\\m^^ U. • Elevation Of Valve Gear, Rocker- Arms PerpendicularFia. 03.—Plan And Elevation Of Valve Gear Of Duplex Steam Pump. Sec. 6^ DIRECT-ACTING STEAM PUMPS 55 Note.—Each Steam-Valve Of a Duplex Pump Is Actuated ByThe Opposite Piston-Rod. The reciprocative motion of the piston-rods, Ri… … 67. The Steam-Valve Gears OfSimplex-Pumps are (Figs. 62 and66) variously constructed. Withall forms of such gears, however,the main valve for admitting steamto the cylinder and releasing ittherefrom, is operated by directsteam-pressure. The valve is thussaid to be steam-thrown. Rocker-Sfantf
Steam power plants · Pumping machinery
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