Pump

Details Pump Pump

F - Mech Eng,Light,Heat,Weapons

01

B

103/30

F01B 19/00 (2006.01) F04B 9/107 (2006.01) F04B 19/08 (2006.01) F16J 3/00 (2006.01)

Patent

CA 1297729

Abstract A pump having a casing with an interior space in which there is provided a flexible hose mounted for reciprocations and having one end thereof turned inside out and secured along the perimeter to the inner wall of the casing and the other end closed so as to sealingly divide the interior space of the casing into two chambers of which one communicates with a source of fluid being pumped and with a delivery line. For moving the flexible hose in one direction, its closed end is connected to a drum operatively connected to a motor and accommodated in one of the chambers, the movement in the opposite direction being effected under pressure of working fluid built-up in one of the chambers.

526026

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