Micro flow controlling pump

Details Micro flow controlling pump Micro flow controlling pump

1994-12-08

1997-02-04

Casaregola, Louis J.

Pumps

Motor driven

Electric or magnetic motor

F04B 1700

Patent

active

055991750

ABSTRACT:
A micro-flow controlling pump according to the present invention is used for controlling a micro-flow of a liquid in an experiment using a chemical agent for examining permeability of a membrane, reaction of a flow system, reflux of vital tissues, or the like. The micro-flow controlling pump includes: a pump body formed to have a cylindrical wall and a bottom surface, and be provided with an outflow tube formed at an outer surface of the cylindrical wall; a cover body formed to be detachably attached to the pump body and be provided with an inflow tube; a magnet rotator arranged inside the pulp body having criss-crossing blade parts; and a magnet stirrer arranged outside the pump body, having magnetic force by which the magnet rotator in the pump body can be rotated.

REFERENCES:
patent: 2941477 (1960-06-01), Dalton
patent: 3139832 (1964-07-01), Saunders
patent: 3485177 (1969-12-01), Clay
patent: 3575536 (1971-04-01), Jacobs et al.
patent: 4266914 (1981-05-01), Dickinson
patent: 4678409 (1987-07-01), Kurokawa
patent: 4740309 (1988-04-01), Higuchi
Petriconi, G. L. et al., "A simple laboratory centrifugal glass circulation pump and gas saturator for liquids," Journal of Scientific Instruments; vol. 42(8), Aug., 1965, p. 662.

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