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:
Nov. 13, 1990
Filed:
Feb. 08, 1990
Applicant:
Inventor:
Edward T King, Dearborn, MI (US);
Assignee:
Ford Motor Company, Dearborn, MI (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B60Q / ;
U.S. Cl.
CPC ...
3404503 ; 340438 ; 340439 ; 340462 ; 36442403 ; 36455101 ; 1231 / ;
Abstract
An engine oil condition sensor which measures oil temperature and the time the engine has been in operation since the last oil change. The sensor determines when the amount of 'cold' engine operation exceeds a predetermined portion of the total engine operation in order to warn the operator to change engine operation patterns by providing more operation time at warmer temperatures. The sensor also accumulates the actual time the oil has been in the engine and the time the engine has been operated at elevated 'hot' temperatures. Whenever any accumulation exceeds predetermined threshold levels, appropriate warnings are given to the operator.