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Title:
VORTEX FLOWMETER WITH SIGNAL PROCESSING
Document Type and Number:
WIPO Patent Application WO1998043051
Kind Code:
A3
Abstract:
A method and apparatus measures a fluid flow using generated vortices. A flow rate is calculated from at least the frequency of the vortices. Warnings are generated for other characteristics of the vortices and fluid measure.

Inventors:
KLEVEN LOWELL A
HEDTKE ROBERT C
WIKLUND DAVID E
Application Number:
PCT/US1998/006008
Publication Date:
December 03, 1998
Filing Date:
March 26, 1998
Export Citation:
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Assignee:
ROSEMOUNT INC (US)
International Classes:
G01F1/32; G01F15/02; (IPC1-7): G01F1/32
Domestic Patent References:
WO1990004230A11990-04-19
Foreign References:
EP0666468A21995-08-09
US4884441A1989-12-05
US4605315A1986-08-12
US5101668A1992-04-07
US4876897A1989-10-31
US5429001A1995-07-04
US5309771A1994-05-10
US5501099A1996-03-26
Other References:
SCHLICHTING H.: "Boundary layer theory, 7th edition", 1979, MCGRAW-HILL, ISBN 0-07-055334-3, XP002076645
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