JPH0140299B2 - - Google Patents

Info

Publication number
JPH0140299B2
JPH0140299B2 JP58129551A JP12955183A JPH0140299B2 JP H0140299 B2 JPH0140299 B2 JP H0140299B2 JP 58129551 A JP58129551 A JP 58129551A JP 12955183 A JP12955183 A JP 12955183A JP H0140299 B2 JPH0140299 B2 JP H0140299B2
Authority
JP
Japan
Prior art keywords
wave
circuit
wave signal
signal
delayed
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
JP58129551A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6022625A (ja
Inventor
Haruhiko Adachi
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.)
Kubota Corp
Original Assignee
Kubota Corp
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 Kubota Corp filed Critical Kubota Corp
Priority to JP58129551A priority Critical patent/JPS6022625A/ja
Publication of JPS6022625A publication Critical patent/JPS6022625A/ja
Publication of JPH0140299B2 publication Critical patent/JPH0140299B2/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
    • G01F1/3282—Means for detecting quantities used as proxy variables for swirl for detecting variations in infrasonic, sonic or ultrasonic waves, due to modulation by passing through the swirling fluid
    • 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)
JP58129551A 1983-07-18 1983-07-18 超音波検出式カルマン渦流速計 Granted JPS6022625A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58129551A JPS6022625A (ja) 1983-07-18 1983-07-18 超音波検出式カルマン渦流速計

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58129551A JPS6022625A (ja) 1983-07-18 1983-07-18 超音波検出式カルマン渦流速計

Publications (2)

Publication Number Publication Date
JPS6022625A JPS6022625A (ja) 1985-02-05
JPH0140299B2 true JPH0140299B2 (en]) 1989-08-28

Family

ID=15012300

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58129551A Granted JPS6022625A (ja) 1983-07-18 1983-07-18 超音波検出式カルマン渦流速計

Country Status (1)

Country Link
JP (1) JPS6022625A (en])

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60109020U (ja) * 1983-12-28 1985-07-24 株式会社クボタ 超音波検出式カルマン渦流速計
JPS6172638U (en]) * 1984-10-18 1986-05-17
JPS61132717U (en]) * 1985-02-07 1986-08-19

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57201308A (en) * 1981-06-03 1982-12-09 Mitsubishi Electric Corp Frequency demodulating circuit

Also Published As

Publication number Publication date
JPS6022625A (ja) 1985-02-05

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