DEVICE FOR MEASURING FLOW RATE

PROBLEM TO BE SOLVED: To enlarge a flow rate measurement area by using a plurality of channels. SOLUTION: A fluid entering from a flow-in passage 1 passes through an open opening/closing means 4, and the flow rate is measured by a measuring means 5. The opening/closing means 4 and the measuring mean...

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Bibliographic Details
Main Authors NAKABAYASHI YUJI, IWANAGA SHIGERU, SHIBA BUNICHI
Format Patent
LanguageEnglish
Published 26.08.2010
Subjects
MEASURING
MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL
METERING BY VOLUME
PHYSICS
TESTING
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Summary:PROBLEM TO BE SOLVED: To enlarge a flow rate measurement area by using a plurality of channels. SOLUTION: A fluid entering from a flow-in passage 1 passes through an open opening/closing means 4, and the flow rate is measured by a measuring means 5. The opening/closing means 4 and the measuring means 5 are controlled by a control means 6. A plurality of channels attain a high flow rate, when they are completely opened; large flow rate can be measured; and the case of a small flow rate can be coped with by opening only one channel. In this manner, the flow rate which ranges from a minute flow rate to a large flow can be measured speedily and accurately, by increasing or reducing the number of channels. COPYRIGHT: (C)2010,JPO&INPIT
Bibliography:Application Number: JP20100126777