Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 152
510. REVERSING MOVEMENT for apump valve. The piston-rod trip carriesthe ball frame beyond the level, when theball rolls across and completes the valvethrow. 511. DOUBLE-ACTING LIFT AND FORCEPUMP.—In this form the work is the same for eachstroke of the piston, and the pressure equal to thetotal… … l^Xs DOUBLE-ACTING DIFFERENTIAL PUMP.—The lower section is of the same constructionas the ordinary lifting pump. The uppersection has a solid piston connected by rod tothe lower bucket piston, and moving in anopen cylinder projecting down from the cover,thus making the upper part of the pump an…
Mechanical movements
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