DE60031334D1 - Ultraschallwandler und Ultraschall-Durchflussmesser - Google Patents

Ultraschallwandler und Ultraschall-Durchflussmesser

Info

Publication number
DE60031334D1
DE60031334D1 DE60031334T DE60031334T DE60031334D1 DE 60031334 D1 DE60031334 D1 DE 60031334D1 DE 60031334 T DE60031334 T DE 60031334T DE 60031334 T DE60031334 T DE 60031334T DE 60031334 D1 DE60031334 D1 DE 60031334D1
Authority
DE
Germany
Prior art keywords
ultrasonic
ultrasonic transducer
flowmeter
transducer
pair
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 - Lifetime
Application number
DE60031334T
Other languages
English (en)
Other versions
DE60031334T2 (de
Inventor
Naoko Azuma
Akihisa Adachi
Masahiko Hashimoto
Tooru Ninomiya
Kenzo Ohji
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE60031334D1 publication Critical patent/DE60031334D1/de
Application granted granted Critical
Publication of DE60031334T2 publication Critical patent/DE60031334T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • G01F1/667—Arrangements of transducers for ultrasonic flowmeters; Circuits for operating ultrasonic flowmeters

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
DE60031334T 1999-08-05 2000-08-04 Ultraschallwandler und Ultraschall-Durchflussmesser Expired - Lifetime DE60031334T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP22242699 1999-08-05
JP22242699A JP3596364B2 (ja) 1999-08-05 1999-08-05 超音波送受波器および超音波流れ計測装置

Publications (2)

Publication Number Publication Date
DE60031334D1 true DE60031334D1 (de) 2006-11-30
DE60031334T2 DE60031334T2 (de) 2007-05-10

Family

ID=16782218

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60031334T Expired - Lifetime DE60031334T2 (de) 1999-08-05 2000-08-04 Ultraschallwandler und Ultraschall-Durchflussmesser

Country Status (7)

Country Link
US (1) US6604433B1 (de)
EP (1) EP1074820B1 (de)
JP (1) JP3596364B2 (de)
KR (1) KR100359981B1 (de)
CN (1) CN100422691C (de)
AT (1) ATE343116T1 (de)
DE (1) DE60031334T2 (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002340643A (ja) * 2001-05-18 2002-11-27 Matsushita Electric Ind Co Ltd 超音波流量計
JP2003075218A (ja) * 2001-09-06 2003-03-12 Matsushita Electric Ind Co Ltd 超音波流量計
JP2004198283A (ja) * 2002-12-19 2004-07-15 Matsushita Electric Ind Co Ltd 超音波送受波器および超音波流量計
JP4123044B2 (ja) * 2003-05-13 2008-07-23 ソニー株式会社 マイクロマシンおよびその製造方法
JPWO2005029912A1 (ja) * 2003-09-18 2006-11-30 松下電器産業株式会社 超音波振動子を用いた超音波流量計
DE10356114A1 (de) * 2003-11-27 2005-06-23 Endress + Hauser Flowtec Ag, Reinach Vorrichtung zur Bestimmung und/oder Überwachung des Volumen- und/oder Massendurchflusses eines Messmediums
JP2006023098A (ja) * 2004-07-06 2006-01-26 Matsushita Electric Ind Co Ltd 超音波振動子およびそれを用いた超音波式流れ計測装置
JP4523879B2 (ja) * 2005-06-20 2010-08-11 株式会社日立製作所 電気・音響変換素子、アレイ型超音波トランスデューサおよび超音波診断装置
US7518914B2 (en) * 2006-08-07 2009-04-14 Micron Technology, Inc. Non-volatile memory device with both single and multiple level cells
JP2008275607A (ja) 2007-04-05 2008-11-13 Asahi Organic Chem Ind Co Ltd 超音波流量計
CN101603011B (zh) * 2009-06-18 2012-02-22 北京师范大学 制备表鬼臼毒素双葡萄糖苷的方法及其专用菌株
JP2012021899A (ja) * 2010-07-15 2012-02-02 Panasonic Corp 超音波流量計測ユニットおよびこれを用いた超音波流量計
DE102012105719A1 (de) * 2012-06-28 2014-01-02 Endress + Hauser Flowtec Ag Ultraschall-Durchflussmessgerät
CN103868555B (zh) * 2012-12-11 2017-08-04 南京理工大学 一种用于超声波流量计的循环时差检测方法
CN103776497B (zh) * 2014-01-26 2017-09-01 哈尔滨工业大学（威海） 一种流量计用超声波传感器
CA2895361C (en) * 2015-06-19 2023-08-01 Accutron Instruments Inc. Method and system for ultrasonic airflow measurements
LT3130407T (lt) * 2015-08-10 2020-12-28 Apator Miitors Aps Piezoelektrinio ultragarso keitiklio sujungimo būdas
JP6500713B2 (ja) * 2015-09-07 2019-04-17 Tdk株式会社 加速度センサ
WO2017138542A1 (ja) * 2016-02-09 2017-08-17 日本バルカー工業株式会社 振動センサー、振動測定方法および振動センサー作製用キット
KR101963732B1 (ko) * 2016-03-17 2019-03-29 (주)동일기연 액체 레벨 측정용 초음파 트랜스듀서
JP6941763B2 (ja) * 2017-04-18 2021-09-29 パナソニックＩｐマネジメント株式会社 超音波送受信器
USD851524S1 (en) 2018-01-18 2019-06-18 Norgas Metering Technologies, Inc. Ultrasonic flow meter
CN110275577B (zh) * 2019-06-25 2022-04-12 京东方科技集团股份有限公司 超声模组及显示屏
JP7318495B2 (ja) * 2019-11-15 2023-08-01 Tdk株式会社 超音波デバイス及び流体検出装置

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3619672A (en) * 1970-09-11 1971-11-09 Matsushita Electric Ind Co Ltd Piezoelectric ceramic resonator and mounting
US4283649A (en) * 1978-09-21 1981-08-11 Murata Manufacturing Co., Ltd. Piezoelectric ultrasonic transducer with resonator laminate
US4556814A (en) * 1984-02-21 1985-12-03 Ngk Spark Plug Co., Ltd. Piezoelectric ultrasonic transducer with porous plastic housing
JPS61144565A (ja) * 1984-12-18 1986-07-02 Toshiba Corp 高分子圧電型超音波探触子
US4754440A (en) * 1985-12-27 1988-06-28 Aisin Seiki Kabushikikaisha Ultrasonic transducer
FR2641281B1 (fr) 1989-01-05 1993-05-14 Saduc Developp Utilisations Cu Procede de purification de polymeres naturels ou synthetiques en solution, hydrosolubles ou solubles en milieu hydro-alcoolique comportant des groupements sulfates
US5066884A (en) * 1989-02-10 1991-11-19 Nikon Corporation Ultrasonic motor having high drive efficiency
JP3014801B2 (ja) 1991-05-10 2000-02-28 三共化成株式会社 電子部品の製造方法
US5288551A (en) * 1991-08-09 1994-02-22 Kureha Kagaku Kogyo Kabushiki Kaisha Flexible piezoelectric device
US5506463A (en) * 1993-08-23 1996-04-09 Rohm Co., Ltd. Packaged piezoelectric oscillator and method of making the same
WO1995017131A1 (en) * 1993-12-22 1995-06-29 Monamed Medizintechnik Gmbh Ultrasonic marked cardiac ablation catheter
US5939817A (en) * 1994-09-22 1999-08-17 Nippon Electric Co Surface acoustic wave device
US5503154A (en) * 1994-10-13 1996-04-02 Cardiovascular Imaging Systems, Inc. Transducer for intraluminal ultrasound imaging catheter with provision for electrical isolation of transducer from the catheter core
US5650571A (en) * 1995-03-13 1997-07-22 Freud; Paul J. Low power signal processing and measurement apparatus
JP3216769B2 (ja) * 1995-03-20 2001-10-09 富士電機株式会社 クランプオン型超音波流量計における温度圧力補償方法
US5777238A (en) * 1996-06-12 1998-07-07 Welch Allyn, Inc. Driver-receiver apparatus for use with ultrasonic flowmeters
DE29611678U1 (de) * 1996-07-04 1997-08-07 Siemens AG, 80333 München Schallwandler, insbesondere Ultraschallwandler
JPH10107579A (ja) * 1996-08-06 1998-04-24 Murata Mfg Co Ltd 圧電部品

Also Published As

Publication number Publication date
ATE343116T1 (de) 2006-11-15
US6604433B1 (en) 2003-08-12
CN1283779A (zh) 2001-02-14
EP1074820A3 (de) 2003-01-02
CN100422691C (zh) 2008-10-01
JP3596364B2 (ja) 2004-12-02
KR100359981B1 (ko) 2002-11-07
EP1074820B1 (de) 2006-10-18
KR20010030067A (ko) 2001-04-16
EP1074820A2 (de) 2001-02-07
DE60031334T2 (de) 2007-05-10
JP2001050785A (ja) 2001-02-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PANASONIC CORP., KADOMA, OSAKA, JP