Pump for fluent, and especially heavy and abrasive materials

Details Pump for fluent, and especially heavy and abrasive materials Pump for fluent, and especially heavy and abrasive materials

F - Mech Eng,Light,Heat,Weapons

04

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103/44

F04B 15/02 (2006.01) F01L 25/06 (2006.01) F04B 7/04 (2006.01) F04B 9/105 (2006.01) F04B 9/115 (2006.01) F04B 53/00 (2006.01) F04B 53/14 (2006.01)

Patent

CA 1075079

ABSTRACT A pump for fluent materials, and especially suitable for heavy and abrasive materials, has a piston in substantial clearance relation within a cylinder and operable in a pumping stroke to drive into a combination valving, wiping and sealing elastomeric ring about the discharge portion from the cylinder, so that the pumped material has minimal drag and wearing contact with relatively moving parts in the pump. The pump is adaptable for double action and proportional pumping. A self-reversing piston-driving fluid actuated motor is provided.

277623

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