TW200519359A - Ultrasonic flow meter and manufacturing method thereof - Google Patents
Ultrasonic flow meter and manufacturing method thereofInfo
- Publication number
- TW200519359A TW200519359A TW093129219A TW93129219A TW200519359A TW 200519359 A TW200519359 A TW 200519359A TW 093129219 A TW093129219 A TW 093129219A TW 93129219 A TW93129219 A TW 93129219A TW 200519359 A TW200519359 A TW 200519359A
- Authority
- TW
- Taiwan
- Prior art keywords
- flow path
- flow
- major
- ultrasonic
- flow meter
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
- G01F1/662—Constructional details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Measuring Volume Flow (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003379733A JP4453341B2 (ja) | 2003-11-10 | 2003-11-10 | 超音波流量計 |
JP2003414471A JP4415662B2 (ja) | 2003-12-12 | 2003-12-12 | 超音波流量計 |
Publications (2)
Publication Number | Publication Date |
---|---|
TW200519359A true TW200519359A (en) | 2005-06-16 |
TWI290218B TWI290218B (en) | 2007-11-21 |
Family
ID=34797137
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW093129219A TWI290218B (en) | 2003-11-10 | 2004-09-27 | Ultrasonic flow meter and manufacturing method thereof |
Country Status (3)
Country | Link |
---|---|
KR (1) | KR100861827B1 (zh) |
CN (1) | CN100338440C (zh) |
TW (1) | TWI290218B (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI772111B (zh) * | 2020-08-07 | 2022-07-21 | 日商歐姆龍股份有限公司 | 傳播時間測定裝置 |
TWI799951B (zh) * | 2020-09-15 | 2023-04-21 | 日商歐姆龍股份有限公司 | 傳播時間測定裝置 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
MX2012010996A (es) * | 2010-03-25 | 2012-11-23 | Daniel Measurement & Control | Caudalimetro ultrasonico con un sistema de drenaje de liquidos. |
CN103459988B (zh) * | 2011-04-05 | 2016-08-17 | 松下电器产业株式会社 | 超声波流量计测装置 |
JP6544844B1 (ja) * | 2019-04-24 | 2019-07-17 | 株式会社琉Sok | 超音波式流量測定装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6125021A (ja) * | 1984-07-14 | 1986-02-03 | Sharp Corp | 超音波流量計 |
JP3692560B2 (ja) * | 1995-06-26 | 2005-09-07 | 松下電器産業株式会社 | 超音波式流量計 |
JP3175632B2 (ja) * | 1997-04-18 | 2001-06-11 | 松下電器産業株式会社 | シーンチェンジ検出方法およびシーンチェンジ検出装置 |
JPH1151735A (ja) * | 1997-08-06 | 1999-02-26 | Yazaki Corp | ガスメータの遮断弁取付構造 |
JP3890698B2 (ja) * | 1997-09-26 | 2007-03-07 | 松下電器産業株式会社 | 流量計測装置 |
JP2000065613A (ja) * | 1998-08-20 | 2000-03-03 | Kaijo Corp | 超音波流量計 |
JP2003083791A (ja) * | 2001-09-11 | 2003-03-19 | Tokyo Gas Co Ltd | 流量計測装置およびガスメータ |
-
2004
- 2004-09-24 KR KR1020040076928A patent/KR100861827B1/ko not_active IP Right Cessation
- 2004-09-27 TW TW093129219A patent/TWI290218B/zh not_active IP Right Cessation
- 2004-09-30 CN CNB2004100810429A patent/CN100338440C/zh not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI772111B (zh) * | 2020-08-07 | 2022-07-21 | 日商歐姆龍股份有限公司 | 傳播時間測定裝置 |
TWI799951B (zh) * | 2020-09-15 | 2023-04-21 | 日商歐姆龍股份有限公司 | 傳播時間測定裝置 |
Also Published As
Publication number | Publication date |
---|---|
CN1616932A (zh) | 2005-05-18 |
KR20050045002A (ko) | 2005-05-16 |
CN100338440C (zh) | 2007-09-19 |
KR100861827B1 (ko) | 2008-10-07 |
TWI290218B (en) | 2007-11-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | Annulment or lapse of patent due to non-payment of fees |