MEASUREMENT DEVICE FOR LIQUID FLOW - MATSUSHITA ELECTRIC IND CO LTD

Title:

MEASUREMENT DEVICE FOR LIQUID FLOW

Document Type and Number:

Japanese Patent JP2005274264

Kind Code:

A

Abstract:

To utilize a pair of ultrasound transducers for measuring the liquid flow-cum-motion monitoring of a valve body for an opening/closing means.

At least a pair of ultrasound transducers 6, 7 are arranged in the upstream side and the down stream side of the liquid path 1 so that the ultrasound slantingly traverse the flowing liquid, and the transducer 7 of the pair of transducers 6, 7 is arranged on a valve 5 of an opening/closing means 3. The flowing speed and/or the flow rate of the liquid are/is measured based on the transmission time between the ultrasound transducers 6, 7 in the state of the valve 5 is open, and even in the state of the valve 5 is closed, the ultrasound is transmitted between the transducers 6, 7 for monitoring the motion of the valve 5.

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Inventors:

ARAI TOSHINORI

Application Number:

JP2004086251A

Publication Date:

October 06, 2005

Filing Date:

March 24, 2004

Export Citation:

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Assignee:

MATSUSHITA ELECTRIC IND CO LTD

International Classes:

G01F1/66; G01F3/22; (IPC1-7): G01F1/66; G01F3/22

Attorney, Agent or Firm:

Fumio Iwahashi
Tomoyasu Sakaguchi
Hiroki Naito

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