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. 08, 2011
Filed:
Sep. 26, 2008
Robert Kauffman, Centerville, OH (US);
Robert Kauffman, Centerville, OH (US);
University of Dayton, Dayton, OH (US);
Abstract
A device and method for measuring the quality of a vehicle oil change and the condition of oil obtained during an oil change is provided which includes an oil measurement compartment and at least one coolant sensor. The oil measurement compartment includes a conductivity sensor including a pair of horizontal parallel wires and a pair of vertical parallel wires which are capable of measuring the quantity, temperature, and conductivity of the drained oil. The coolant sensor is comprised of a hydrophilic material in contact with a permanent surface comprised of two spaced apart metal wires or traces. The coolant sensor measures the viscosity, coolant concentration, and overall condition of the oil.