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:
Mar. 18, 2003
Filed:
May. 01, 2000
Su-Chee Simon Wang, Troy, MI (US);
Other;
Abstract
A device for sensing oil condition includes an oil condition sensor that includes a first sensing plate separated from a second sensing plate by a spacer. Affixed to the first sensing plate and the second sensing plate is a platinum sensing electrode and a resistance temperature device. The sensing electrodes are separated by a gap that is filled with engine oil when the sensor is installed in an oil pan. A processor connected to the sensor can be used to determine when the engine is experiencing a first stage of oil degradation, a second stage of oil degradation, and a third stage of oil degradation. Each stage of degradation is characterized by a first sensor output signal trend, a second sensor output signal trend, and a third output signal trend, respectively.