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System and method for improving performance of a fluid sensor for an internal combustion engine

United States Patent

March 3, 2009
View the Complete Patent at the US Patent & Trademark Office
A system and method for improving sensor performance of an on-board vehicle sensor, such as an exhaust gas sensor, while sensing a predetermined substance in a fluid flowing through a pipe include a structure for extending into the pipe and having at least one inlet for receiving fluid flowing through the pipe and at least one outlet generally opposite the at least one inlet, wherein the structure redirects substantially all fluid flowing from the at least one inlet to the sensor to provide a representative sample of the fluid to the sensor before returning the fluid through the at least one outlet.
Kubinski; David (Canton, MI), Zawacki; Garry (Livonia, MI)
Ford Global Technologies, LLC (Dearborn, MI)
11/ 308,325
March 16, 2006
STATEMENT OF GOVERNMENT INTEREST The U.S. Government may have a paid-up license in this invention and the right in limited circumstances to require the patent owner to license others on reasonable terms as provided for by the terms of Contract No. DE-FC26-01NT41103 awarded by The Department of Energy.