Method of controlling the flow in a flow system

Details Method of controlling the flow in a flow system Method of controlling the flow in a flow system

2005-05-03

2005-05-03

Chambers, A. Michael (Department: 3753)

Fluid handling

Processes

Involving pressure control

C137S807000, C137S827000, C137S565330, C204S452000, C204S602000

Reexamination Certificate

active

06886576

ABSTRACT:
A method and flow system for controlling the flow of a liquid in a flow system, the liquid flow comprising particles and being led into a channel thereof. The method comprises the steps of enveloping the liquid flow by a flow of carrier liquid, hydrodynamically focussing the particles in the liquid flow providing a measurement signal of the liquid flow from an observation area in the channel, and dividing the liquid flow at a branching point into two or more outlets in response to the measurement signal. The division of the liquid comprises introducing a control liquid from at least one control channel at a merging point or merging area in the channel. The amount of control liquid is controlled by at least one electro-kinetic pump, the pump effect of which is controlled in response to the measurement signal.

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