Method of detecting occlusions in a solution pumping system

Details Method of detecting occlusions in a solution pumping system Method of detecting occlusions in a solution pumping system

A - Human Necessities

61

M

A61M 5/168 (2006.01) F04B 49/00 (2006.01)

Patent

CA 2114346

ABSTRACT OF THE DISCLOSURE A method of detecting occlusions in a solution pumping system includes monitoring and analyzing pressures within the system during selected portions of a pumping cycle. The pumping system of the illustrated embodiment includes a positive displacement pump operated by a reciprocable pump piston, with analysis of pressures within the system identifying those conditions which reflect the presence of an occlusion either upstream or downstream of the positive displacement pump. A suitable signal or alarm can then be activated to alert operating personnel.

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