G - Physics – 01 – N
Patent
G - Physics
01
N
73/114, 15/42
G01N 27/00 (2006.01)
Patent
CA 1248776
ABSTRACT A method and apparatus for removing foreign matter, including debris, deposits and air bubbles from a flow cell of a particle study device. The apparatus includes a chamber with an aperture containing unit at one end and sample and sheath introduction mechanisms at the other end to supply respectively, a sample suspension of particles and a particle free liquid. The chamber has a waste orifice positionally disposed to provide a turbulent flow of particle free liquid within the chamber upon simultaneous injection and exhaustion of the particle free liquid into and out of, respectively, the sheath introduction mechanism and the waste orifice, to remove any air bubbles in the chamber and its adjacent aperture area. The debris and deposits are first removed, in a cross-chamber process and cross-aperture process, by injecting a mixture of gas and liquid into the chamber through a first orifice in both processes to form droplets and exhausting the mixture from a second orifice therein and through the aperture respectfully in each process. This foreign matter is further removed by another cross-aperture step, by injecting gas into the chamber through a first orifice and producing droplets and increasing its velocity via a waste orifice of the same chamber and exhausting the gas and droplets from a second orifice through the aperture. Then, the air bubbles are removed by injecting the particle free liquid into the flow cell to form the turbulent flow and then exhausting it.
493322
Loren Mark
Pedroso Raul I.
Borden Ladner Gervais Llp
Coulter Corporation
LandOfFree
Method and apparatus for removing foreign matter from a flow... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method and apparatus for removing foreign matter from a flow..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for removing foreign matter from a flow... will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1231325