JPS635686B2 - - Google Patents

Info

Publication number
JPS635686B2
JPS635686B2 JP57215649A JP21564982A JPS635686B2 JP S635686 B2 JPS635686 B2 JP S635686B2 JP 57215649 A JP57215649 A JP 57215649A JP 21564982 A JP21564982 A JP 21564982A JP S635686 B2 JPS635686 B2 JP S635686B2
Authority
JP
Japan
Prior art keywords
signal
vibration
switches
vortex shedding
vibration signal
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
Application number
JP57215649A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58154620A (ja
Inventor
Eru Tomupuson Uiriamu
Esu Uirii Maikeru
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.)
Babcock and Wilcox Co
Original Assignee
Babcock and Wilcox Co
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 Babcock and Wilcox Co filed Critical Babcock and Wilcox Co
Publication of JPS58154620A publication Critical patent/JPS58154620A/ja
Publication of JPS635686B2 publication Critical patent/JPS635686B2/ja
Granted 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
    • G01F1/05—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 using mechanical effects
    • G01F1/20—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 using mechanical effects by detection of dynamic effects of the flow
    • G01F1/32—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 using mechanical effects by detection of dynamic effects of the flow using swirl flowmeters
    • G01F1/325—Means for detecting quantities used as proxy variables for swirl
    • G01F1/3287—Means for detecting quantities used as proxy variables for swirl circuits therefor

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
JP57215649A 1981-12-10 1982-12-10 渦離脱形流量計信号発生器の振動感度を減少させるための同調可能なノツチフイルタ Granted JPS58154620A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/329,539 US4432242A (en) 1981-12-10 1981-12-10 Tunable notch filter for reducing vibration sensitivity for vortex shedding flowmeter generator
US329539 1981-12-10

Publications (2)

Publication Number Publication Date
JPS58154620A JPS58154620A (ja) 1983-09-14
JPS635686B2 true JPS635686B2 (en]) 1988-02-04

Family

ID=23285881

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57215649A Granted JPS58154620A (ja) 1981-12-10 1982-12-10 渦離脱形流量計信号発生器の振動感度を減少させるための同調可能なノツチフイルタ

Country Status (5)

Country Link
US (1) US4432242A (en])
EP (1) EP0084232B1 (en])
JP (1) JPS58154620A (en])
CA (1) CA1182307A (en])
DE (1) DE3275403D1 (en])

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63231221A (ja) * 1987-03-19 1988-09-27 Mitsubishi Electric Corp エンジンの吸気量測定装置
KR920010913B1 (ko) * 1988-04-19 1992-12-24 미쓰비시전기 주식회사 와 유량계
CA2000700A1 (en) * 1988-10-14 1990-04-14 Gerald L. Schlatter Signal processing method and apparatus for flowmeters
JPH0648351Y2 (ja) * 1988-11-14 1994-12-12 オーバル機器工業株式会社 渦流量計信号増幅回路
US5710720A (en) * 1996-04-30 1998-01-20 Board Of Regents Of The University Of Nebraska Phase lock loop based system and method for decomposing and tracking decomposed frequency components of a signal, with application to vibration compensation system
US8606543B2 (en) 2010-04-30 2013-12-10 Rosemount Aerospace Inc. Method to detect angle sensor performance degradation through dither monitoring
DE102011009894A1 (de) * 2011-01-31 2012-08-02 Krohne Messtechnik Gmbh Vortex-Durchflussmessgerät

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3709034A (en) * 1971-02-02 1973-01-09 Fischer & Porter Co Signal conditioner for recovering dominant signals from swirl-type meters
US4019384A (en) * 1974-02-26 1977-04-26 Fischer & Porter Co. Digital read-out system for external-sensor vortex flowmeter
US3982434A (en) * 1975-03-14 1976-09-28 Eastech, Inc. Fluid flow signal processing circuit
US4094194A (en) * 1977-02-14 1978-06-13 Fischer & Porter Company Sensing system for vortex-type flowmeters
US4123940A (en) * 1977-09-23 1978-11-07 Fischer & Porter Company Transmission system for vortex-shedding flowmeter
JPS55113911A (en) * 1979-02-26 1980-09-02 Nissan Motor Co Ltd Karman vortex flow meter
JPS55117323A (en) * 1979-03-02 1980-09-09 Matsushita Electric Ind Co Ltd Filter
US4270391A (en) * 1979-08-24 1981-06-02 Fischer & Porter Co. Frequency-responsive filter for flowmeter transmission system
JPS5698613A (en) * 1980-01-11 1981-08-08 Nissan Motor Co Ltd Fuel control device
US4336513A (en) * 1980-07-02 1982-06-22 Hewlett-Packard Company Hum reduction circuit

Also Published As

Publication number Publication date
US4432242A (en) 1984-02-21
DE3275403D1 (en) 1987-03-12
CA1182307A (en) 1985-02-12
EP0084232A1 (en) 1983-07-27
EP0084232B1 (en) 1987-02-04
JPS58154620A (ja) 1983-09-14

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