FLOW RATE MEASUREMENT SYSTEM

PROBLEM TO BE SOLVED: To provide a flow rate measurement system which can detect abnormality with high precision. SOLUTION: This flow rate measurement system provided with a flowmeter 5 which detects the flow rate of fluid on a duct 2 in which the fluid is sucked by the driving of a pump 3 is equipp...

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Bibliographic Details
Main Author HIROSE KIYOSHI
Format Patent
LanguageEnglish
Published 28.02.2002
Edition7
Subjects
AGRICULTURE
ANIMAL HUSBANDRY
BOTTLES, JARS OR SIMILAR CONTAINERS
DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISEPROVIDED FOR
FISHING
FORESTRY
HUMAN NECESSITIES
HUNTING
LIQUID HANDLING
MANUFACTURE OF DAIRY PRODUCTS
MEASURING
MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL
METERING BY VOLUME
OPENING, CLOSING
PERFORMING OPERATIONS
PHYSICS
TESTING
TRANSPORTING
TRAPPING
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Summary:PROBLEM TO BE SOLVED: To provide a flow rate measurement system which can detect abnormality with high precision. SOLUTION: This flow rate measurement system provided with a flowmeter 5 which detects the flow rate of fluid on a duct 2 in which the fluid is sucked by the driving of a pump 3 is equipped with a control means 10 which obtains a specific number of thickness values on the basis of the thickness signal of the fluid outputted from the flowmeter 5, finds the difference value indicating the difference between the maximum and minimum values of those thickness values, compares the difference value with a 1st threshold for difference value examination, obtains a specific number of difference values, obtains the ratio of abnormal difference values exceeding the 1st threshold to the specific number of difference values, and compares the ratio with a previously set 2nd threshold for abnormality examination.
Bibliography:Application Number: JP20000250001