JPH0570086B2 - - Google Patents

Info

Publication number
JPH0570086B2
JPH0570086B2 JP59104117A JP10411784A JPH0570086B2 JP H0570086 B2 JPH0570086 B2 JP H0570086B2 JP 59104117 A JP59104117 A JP 59104117A JP 10411784 A JP10411784 A JP 10411784A JP H0570086 B2 JPH0570086 B2 JP H0570086B2
Authority
JP
Japan
Prior art keywords
period
pulse
average
comparison result
calculating
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
JP59104117A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60247117A (ja
Inventor
Minoru Takahashi
Kyoshi Yagi
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.)
Denso Ten Ltd
Original Assignee
Denso Ten 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 Denso Ten Ltd filed Critical Denso Ten Ltd
Priority to JP59104117A priority Critical patent/JPS60247117A/ja
Publication of JPS60247117A publication Critical patent/JPS60247117A/ja
Publication of JPH0570086B2 publication Critical patent/JPH0570086B2/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)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
JP59104117A 1984-05-23 1984-05-23 カルマン渦式空気流量センサ出力パルスの平均周期算出装置 Granted JPS60247117A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59104117A JPS60247117A (ja) 1984-05-23 1984-05-23 カルマン渦式空気流量センサ出力パルスの平均周期算出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59104117A JPS60247117A (ja) 1984-05-23 1984-05-23 カルマン渦式空気流量センサ出力パルスの平均周期算出装置

Publications (2)

Publication Number Publication Date
JPS60247117A JPS60247117A (ja) 1985-12-06
JPH0570086B2 true JPH0570086B2 (de) 1993-10-04

Family

ID=14372180

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59104117A Granted JPS60247117A (ja) 1984-05-23 1984-05-23 カルマン渦式空気流量センサ出力パルスの平均周期算出装置

Country Status (1)

Country Link
JP (1) JPS60247117A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002002924A1 (fr) * 2000-07-03 2002-01-10 Mitsubishi Denki Kabushiki Kaisha Dispositif de commande de la soupape de recirculation des gaz d'echappement

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6611785B1 (en) 1998-09-14 2003-08-26 Kabushiki Kaisha Saginomiya Seisakusho Flowmeter, flow detecting switch, control method of flowmeter, control method of flow detecting switch, and recording medium having recorded a control program
CN102175286B (zh) * 2011-01-19 2012-11-21 南京航空航天大学 涡轮流量计信号处理方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002002924A1 (fr) * 2000-07-03 2002-01-10 Mitsubishi Denki Kabushiki Kaisha Dispositif de commande de la soupape de recirculation des gaz d'echappement

Also Published As

Publication number Publication date
JPS60247117A (ja) 1985-12-06

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