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.

Date of Patent:
Jan. 09, 2018

Filed:

Nov. 14, 2014
Applicant:

Ford Global Technologies, Llc, Dearborn, MI (US);

Inventors:

Michael Mcquillen, Warren, MI (US);

Gopichandra Surnilla, West Bloomfield, MI (US);

Richard E. Soltis, Saline, MI (US);

Daniel A. Makled, Dearborn, MI (US);

Stephen B. Smith, Livonia, MI (US);

Assignee:

Ford Global Technologies, LLC, Dearborn, MI (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01N 27/409 (2006.01); G01N 27/416 (2006.01); G01N 27/406 (2006.01);
U.S. Cl.
CPC ...
G01N 27/4067 (2013.01);
Abstract

Various methods for operating an oxygen sensor are provided. In one example, a method of operating an oxygen sensor comprises applying power to a heater of the oxygen sensor, and indicating whether water is in contact with the oxygen sensor based on a time rate of change of a temperature of the oxygen sensor.


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