A textbook on mechanical and electrical engineering (1898)
International Correspondence Schools · Scranton : International Textbook Co., [1898-99] · leaf 465
ter from entering throughthe suction valve, the pi-essuie on the toj) of the valve beinggreater than that of the atmos])here below. In the pumpshown in tlu; figure, the plunger is a trith- smaller than thec\-lindei, and the air collects around the ]ilunger ])elow thesturrnigd)ox. To riUiove this… … PNEUMATICS. 441 cock must not be opened, except during the down stroke ofthe plunger; for, if it were open during the up stroke, thepressure below the plunger being less than the pressure ofthe atmosphere above, the air would rush in instead of beingexpelled. 1083. Double-Acting Pumps.—In the pumps…
Electrical engineering · Mechanical engineering
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
