JPH02113125U - - Google Patents

Info

Publication number
JPH02113125U
JPH02113125U JP2023889U JP2023889U JPH02113125U JP H02113125 U JPH02113125 U JP H02113125U JP 2023889 U JP2023889 U JP 2023889U JP 2023889 U JP2023889 U JP 2023889U JP H02113125 U JPH02113125 U JP H02113125U
Authority
JP
Japan
Prior art keywords
electro
transmitting
acoustic converting
ultrasonic flowmeter
converting means
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.)
Granted
Application number
JP2023889U
Other languages
English (en)
Other versions
JPH079052Y2 (ja
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 filed Critical
Priority to JP1989020238U priority Critical patent/JPH079052Y2/ja
Publication of JPH02113125U publication Critical patent/JPH02113125U/ja
Application granted granted Critical
Publication of JPH079052Y2 publication Critical patent/JPH079052Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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  • Measuring Volume Flow (AREA)

Description

【図面の簡単な説明】
第1図、第2図及び第3図は本考案の基本的原
理を説明する図、第4図は本考案の一実施例を示
すクランプオン型の超音波流量計の取付け状態を
示す概略図、第5図及び第7図は第4図の超音波
素子2を示す図、第6図、第8図及び第9図は第
5図及び第7図の実施例による超音波の発射角を
示す説明図、第10図は本考案の他の実施例を示
す図、第11図は本考案の制御回路を示すブロツ
ク図、第12図は第5図の詳細を示す図、第13
図は第12図のタイミングチヤート図、第14図
は第10図の詳細を示す図、第15図は第14図
の一例を示すタイミングチヤート図、第16図は
従来の超音波流量計を示す図である。 1…管路、2,3…超音波素子、4…柱状体、
5…電気−音響変換素子、6…位相制御送信部、
7…波形合成受信部、8…制御回路。

Claims (1)

    【実用新案登録請求の範囲】
  1. 一定の間隔で配列された電気−音響変換手段と
    、該電気−音響変換手段に対して位相の異なる信
    号を順次送信する送信手段と、該送信手段により
    駆動される前記電気−音響変換手段からの出力波
    形を合成する波形合成手段とを備えたことを特徴
    とする超音波流量計。
JP1989020238U 1989-02-27 1989-02-27 超音波流量計 Expired - Lifetime JPH079052Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989020238U JPH079052Y2 (ja) 1989-02-27 1989-02-27 超音波流量計

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989020238U JPH079052Y2 (ja) 1989-02-27 1989-02-27 超音波流量計

Publications (2)

Publication Number Publication Date
JPH02113125U true JPH02113125U (ja) 1990-09-11
JPH079052Y2 JPH079052Y2 (ja) 1995-03-06

Family

ID=31236432

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989020238U Expired - Lifetime JPH079052Y2 (ja) 1989-02-27 1989-02-27 超音波流量計

Country Status (1)

Country Link
JP (1) JPH079052Y2 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0926342A (ja) * 1995-07-13 1997-01-28 Matsushita Electric Ind Co Ltd 超音波振動子及びこれを用いた超音波流量計

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5257847A (en) * 1975-11-07 1977-05-12 Oki Electric Ind Co Ltd Ultrasonic transmitter and receiver array
JPS56158912A (en) * 1980-05-13 1981-12-08 Toshiba Corp Ultrasonic flow rate and current meter

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5257847A (en) * 1975-11-07 1977-05-12 Oki Electric Ind Co Ltd Ultrasonic transmitter and receiver array
JPS56158912A (en) * 1980-05-13 1981-12-08 Toshiba Corp Ultrasonic flow rate and current meter

Also Published As

Publication number Publication date
JPH079052Y2 (ja) 1995-03-06

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term