G - Physics – 01 – N
Patent
G - Physics
01
N
73/59
G01N 33/28 (2006.01) G01N 21/51 (2006.01) F02B 3/06 (2006.01)
Patent
CA 1257980
ABSTRACT OF THE DISCLOSURE: The present invention is concerned with a process and a device for determining the cloud point of a diesel oil. The device comprises a light source and, aligned on a single axis, a diaphragm comprising a central hole on the said axis, an objective forming the image of the hole on a light trap, and behind the screen, a wide-diameter photoelectric detector intended to deliver an electric current when it receives a light flux, and, disposed between the objective and the screen, a cell containing a diesel oil sample to be analyzed, means for controlling the temperature of this sample being associated to the said cell.
483686
Damin Bernard
Fortunato Gerard
Laurent Dominique
Napoleon Marcel
Elf France
Robic Robic & Associes/associates
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