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G - Physics – 06 – G

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Details

G06G 7/57 (2006.01) G01J 3/443 (2006.01) G01N 21/03 (2006.01) G01N 21/27 (2006.01) G01N 21/67 (2006.01) G01N 21/69 (2006.01) G01N 33/28 (2006.01) G01J 3/28 (2006.01)

Patent

CA 2340097

An apparatus (10) for analyzing lubricant oils and functional fluids includes an optical emission spectrometer (OES) (26) having a substantially continuously valued wavelength versus intensity output (140). The OES (26) analyzes light captured from a spark emission stand (58) through which the fluid sample is flowed. An expert system (160-172) operates according to a set of Rules, and generates diagnostic text (174) for an operator based on the information about the fluid sample provided by the OES (26) and other measurement devices. The apparatus (10) is reduced in size, weight and cost.

La présente invention concerne un appareil (10) permettant l'analyse d'huiles de lubrifiants et d'autres fluides fonctionnels. Cet appareil (10) comporte un spectromètre optique (26) donnant en sortie (140) un quotient longueur d'ondes sur intensité dont la valeur est sensiblement continue. Ce spectromètre optique (26) analyse la lumière captée en provenance d'une colonne à étincelles (58) dans laquelle on fait passer l'échantillon de fluide. Un système expert (160-172) fonctionnant dans le respect d'un jeu de Règles, génère un texte de diagnostic (174) destiné à un opérateur et se basant sur des informations concernant l'échantillon de fluide telles qu'elles ont été fournies par le spectromètre optique (26) et les autres instruments de mesure. Cet appareil (10) se distingue par ses petites dimensions, son faible poids et un prix peu élevé.

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