Mechanical movements, powers, devices and appliances; (1903)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The N.W. Henley & co. · leaf 184
ion ofthe governor balls, and also reducing the com-pressor to minimum speed when the air pressurebecomes excessive. The ball and lever at theright are lifted by the air pressure in the smallpiston, and force the valve rod and throttle downto give the smallest motion to the compressor. Clayton… … 653. SINGLE VALVE AIR PUMP.—Theupper part of the cylinder is perforated, so thatthe piston when drawn up produces a partial vac-uum, and when past the perforation the air orgas rushes in to fill the cylinder. The one valveholds the pressure in the delivery pipe.
Mechanical movements
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