Title:
FLOW RATE MEASURING DEVICE
Document Type and Number:
Japanese Patent JP2002243512
Kind Code:
A
Abstract:
To improve measurement accuracy.
Before opening a flow opening and closing valve 12, a control means 13 changes an operation of a flow rate measuring means 16. For example, it improves the measurement accuracy by changing a measurement sampling time and improves reliability by allowing fluid to flow afterwards.
Inventors:
SHIBA BUNICHI
UMEKAGE YASUHIRO
OZAKI YUKINORI
UMEKAGE YASUHIRO
OZAKI YUKINORI
Application Number:
JP2001039831A
Publication Date:
August 28, 2002
Filing Date:
February 16, 2001
Export Citation:
Assignee:
MATSUSHITA ELECTRIC IND CO LTD
International Classes:
G01F1/00; G01F1/66; (IPC1-7): G01F1/00; G01F1/66
Domestic Patent References:
| JP2000028404A | 2000-01-28 | |||
| JPH11190447A | 1999-07-13 | |||
| JPH10232150A | 1998-09-02 | |||
| JPH03186149A | 1991-08-14 | |||
| JPS5835265Y2 | 1983-08-08 | |||
| JPH1194612A | 1999-04-09 | |||
| JP2000155045A | 2000-06-06 | |||
| JPS6487380A | 1989-03-31 | |||
| JPH11287690A | 1999-10-19 | |||
| JPH11325995A | 1999-11-26 |
Foreign References:
| WO2000070312A1 | 2000-11-23 |
Attorney, Agent or Firm:
Fumio Iwahashi (2 others)
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