JPH0311413B2 - - Google Patents
Info
- Publication number
- JPH0311413B2 JPH0311413B2 JP57158300A JP15830082A JPH0311413B2 JP H0311413 B2 JPH0311413 B2 JP H0311413B2 JP 57158300 A JP57158300 A JP 57158300A JP 15830082 A JP15830082 A JP 15830082A JP H0311413 B2 JPH0311413 B2 JP H0311413B2
- Authority
- JP
- Japan
- Prior art keywords
- ultrasonic
- conduit
- cylindrical body
- noise attenuator
- sound
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000011358 absorbing material Substances 0.000 claims description 14
- 230000002238 attenuated effect Effects 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 3
- 239000004745 nonwoven fabric Substances 0.000 claims description 2
- 239000012530 fluid Substances 0.000 description 7
- NMFHJNAPXOMSRX-PUPDPRJKSA-N [(1r)-3-(3,4-dimethoxyphenyl)-1-[3-(2-morpholin-4-ylethoxy)phenyl]propyl] (2s)-1-[(2s)-2-(3,4,5-trimethoxyphenyl)butanoyl]piperidine-2-carboxylate Chemical compound C([C@@H](OC(=O)[C@@H]1CCCCN1C(=O)[C@@H](CC)C=1C=C(OC)C(OC)=C(OC)C=1)C=1C=C(OCCN2CCOCC2)C=CC=1)CC1=CC=C(OC)C(OC)=C1 NMFHJNAPXOMSRX-PUPDPRJKSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Details Of Flowmeters (AREA)
- Measuring Volume Flow (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57158300A JPS5946817A (ja) | 1982-09-10 | 1982-09-10 | 雑音減衰器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57158300A JPS5946817A (ja) | 1982-09-10 | 1982-09-10 | 雑音減衰器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5946817A JPS5946817A (ja) | 1984-03-16 |
JPH0311413B2 true JPH0311413B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1991-02-15 |
Family
ID=15668599
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57158300A Granted JPS5946817A (ja) | 1982-09-10 | 1982-09-10 | 雑音減衰器 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5946817A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH109916A (ja) * | 1996-06-26 | 1998-01-16 | Matsushita Electric Ind Co Ltd | 超音波式流量計 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19606411C2 (de) * | 1996-02-21 | 2000-05-11 | Krohne Messtechnik Kg | Schalldämpfer für Ultraschallwellen |
JP2001311636A (ja) * | 2000-04-28 | 2001-11-09 | Matsushita Electric Ind Co Ltd | 超音波流量計測装置 |
KR100436620B1 (ko) * | 2002-01-22 | 2004-06-22 | 주식회사 서진인스텍 | 공동식유량계 |
US7011180B2 (en) * | 2002-09-18 | 2006-03-14 | Savant Measurement Corporation | System for filtering ultrasonic noise within a fluid flow system |
US7845688B2 (en) | 2007-04-04 | 2010-12-07 | Savant Measurement Corporation | Multiple material piping component |
JP2010164585A (ja) * | 2010-04-28 | 2010-07-29 | Panasonic Corp | 超音波流量計測装置 |
JP5975511B2 (ja) * | 2011-11-17 | 2016-08-23 | 愛知時計電機株式会社 | 消音器及び消音器付超音波流量計 |
-
1982
- 1982-09-10 JP JP57158300A patent/JPS5946817A/ja active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH109916A (ja) * | 1996-06-26 | 1998-01-16 | Matsushita Electric Ind Co Ltd | 超音波式流量計 |
Also Published As
Publication number | Publication date |
---|---|
JPS5946817A (ja) | 1984-03-16 |
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