Electrode combinations for pumping fluids

Details Electrode combinations for pumping fluids Electrode combinations for pumping fluids

1997-12-24

2000-08-22

Warden, Jill

Chemistry: electrical and wave energy

Apparatus

Electrophoretic or electro-osmotic apparatus

422100, G01N 2726

Patent

active

061066850

ABSTRACT:
Provided is a device that moves liquid comprising: a channel; and, an electrode-based pump comprising two or more electrodes which when powered form stronger or weaker electric field lines between the electrodes, wherein the electrodes are arrayed so that (a) the strongest electric field lines cross a cross-section of the channel or (b) the electrodes are concentrically arrayed around the channel such that the strongest electric field lines parallel the channel on more than one face of the channel.

REFERENCES:
patent: 4364054 (1982-12-01), Kelly
patent: 5940098 (1999-08-01), Minemoto et al.
Englisn language translation of Grunecker et al. (DE 2455019 A1), Jul. 1975.
Fuhr et al., "Microfabricated electrohydrodynamic (EHD) pumps for liquids of higher conductivity," INSPEC Abstract No.: C9305-3260J-002, Sep. 1992.
Fuhr et al., "Pumping of water solutions in microfabricated electrohydrodynamic systems," INSPEC Abstract No.: C9301-3260J-006, Feb. 1992.
Richter et al., "The electrohydrodynamic micro flow meter," INSPEC Abstract No.: A9213-4780-013, B9207-7230-074, Jun. 1991.

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