System and method of measuring convection induced impedance...

Measuring and testing – Volume or rate of flow – Thermal type

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

Reexamination Certificate

active

07059185

ABSTRACT:
A method and system for measuring the flow rate of a liquid or gas within a flow channel utilizing a centrally located excitation source and a plurality of sensors. The excitation source is comprised of a heating element coupled with an alternating current generator. Of the plurality of sensors, at least one of the sensors is located in a position upstream of the excitation source location, and additionally a second of the plurality of sensors is located in a position downstream of the excitation source. Instantaneous fluid flow rate is calculated utilizing a high gain differential amplifier electrically coupled to the sensors, wherein the convectively induced inductive gradient of the flowing fluid is compared to the symmetrical zero flow induction gradient. Following such a comparison, a voltage signal proportional to the flow of fluid within the channel is derived.

REFERENCES:
patent: 3801902 (1974-04-01), Horowitz
patent: 4487062 (1984-12-01), Olin et al.
patent: 5233868 (1993-08-01), Coats et al.
patent: 5463899 (1995-11-01), Zemel et al.
patent: 5582628 (1996-12-01), Wood
patent: 5936156 (1999-08-01), Roberts et al.
patent: 6085588 (2000-07-01), Khadkikar et al.
patent: 6184773 (2001-02-01), Bonne et al.
patent: 6474155 (2002-11-01), Berkcan et al.
patent: 6564629 (2003-05-01), Stark

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

System and method of measuring convection induced impedance... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with System and method of measuring convection induced impedance..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and System and method of measuring convection induced impedance... will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3655834

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.