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. 25, 2008
Filed:
Sep. 28, 2006
David A. Ross, Columbiaville, MI (US);
David A. Ross, Columbiaville, MI (US);
Delphi Technologies, Inc., Troy, MI (US);
Abstract
An apparatus and method for fluid flow measurement are provided. The apparatus includes a first thermistor; a second thermistor; a first deflecting member configured to shield the first thermistor from fluid flowing in a first direction; a second deflecting member configured to shield the second thermistor from fluid flowing in a second direction where the second direction is substantially opposite the first direction; and a circuit in electrical communication with the first thermistor and the second thermistor. The circuit includes a comparator for comparing a first signal from the first thermistor to a second signal from the second thermistor. The comparator provides an output indicative of a direction of fluid flowing past the first thermistor and the second thermistor.