Forcing Pump

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“As the piston ascends, as shown in the left-hand figure, the pressure of the atmosphere forces the water up the suction pipe P; the water opens the suction valve V and flows into the pump cylinder. When the piston moves down, as shown in the right-hand figure, the suction valve is closed and the delivery valve V’ opened. The water in the pump cylinder is now forced up the delivery pipe P’.” —Hallock 1905

Galleries

Fluid Pumps

Source

V. I. Hallock I.C.S. Refrence Library (Scranton: International Textbook Company, 1905) 8:39

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