Measuring and testing – Volume or rate of flow – By measuring vibrations or acoustic energy
Reexamination Certificate
2008-08-20
2010-06-01
Thompson, Jewel (Department: 2855)
Measuring and testing
Volume or rate of flow
By measuring vibrations or acoustic energy
Reexamination Certificate
active
07726201
ABSTRACT:
A system includes a first shedder that is at least partially disposed in a fluid conduit and that generates vortices within the fluid conduit, a first flow sensor system that is responsive to the vortices generated by the first shedder and a second flow sensor system that is responsive to the vortices generated by the first shedder. The system further includes a second shedder that is at least partially disposed in the fluid conduit, that generates vortices within the fluid conduit, and that is separated from the first shedder by a distance. A third flow sensor system is responsive to the vortices generated by the second shedder.
REFERENCES:
patent: 4275602 (1981-06-01), Fujishiro et al.
patent: 5583300 (1996-12-01), Green et al.
patent: 7258024 (2007-08-01), Dimarco et al.
PCT/US08/74006 International Search Report and Written Opinion, PCT, Oct. 22, 2008.
International Preliminary Report on Patentability for International Application No. PCT/US2008/074006, dated Feb. 24, 2010, 6 pages.
Des Rosiers Harry William
Mattar Wade M.
Fish & Richardson P.C.
Invensys Systems Inc.
Thompson Jewel
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