The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 18, 2000
Filed:
May. 23, 1997
Applicant:
Inventors:
Nestor Juan Venica, Provincia de Santa Fe, AR;
Rafael Antonio Colussi, Provincia de Santa Fe, AR;
Assignee:
Col-Ven S.A., Provincia de Santa Fe, AR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
356 70 ; 356301 ;
Abstract
Method for monitoring oil state which combines optical transmissivity of oil with certain kinds of optoelectrical optodetector. In particular, the oil state in automatic gearboxes is monitored to detect lack of oil quantity or quality and, furthermore, to detect malfunction of gearbox mechanisms. A region of the oil is scanned with infrared oil and the amount of light reaching straight accross a short gap in said region is detected to derive monitoring information.