JPS5469472A - Eddy type air flow meter - Google Patents

Eddy type air flow meter

Info

Publication number
JPS5469472A
JPS5469472A JP13569277A JP13569277A JPS5469472A JP S5469472 A JPS5469472 A JP S5469472A JP 13569277 A JP13569277 A JP 13569277A JP 13569277 A JP13569277 A JP 13569277A JP S5469472 A JPS5469472 A JP S5469472A
Authority
JP
Japan
Prior art keywords
lead wires
beat
thermistor
resin
glass
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.)
Pending
Application number
JP13569277A
Other languages
Japanese (ja)
Inventor
Kiyomitsu Suzuki
Shigeyuki Kobori
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP13569277A priority Critical patent/JPS5469472A/en
Publication of JPS5469472A publication Critical patent/JPS5469472A/en
Pending 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
    • G01F1/3273—Means for detecting quantities used as proxy variables for swirl for detecting fluid speed oscillations by thermal sensors

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)

Abstract

PURPOSE:To achieve the improvement in the durability of an eddy current sensor by covering the lead wires of the beat thermistor with resin or glass thereby reinforcing lead wires without hampering the production and detection of eddy current. CONSTITUTION:Lead wires 2 of a beat thermistor 1 are bonded to electrodes 3 by such a method as soldering or wire bonding. The electrodes 3 are secuved to an electrode case 5 by way of an insulator 4. The lead wires 2 are covered with a resin or glass 6 to reinforce. The resin or glass 6 is formed to fine conical form on the beat thermistor side 1 so as not to hamper the production of eddy currents. Such constitution prevents the beat thermistor 1 from being vibrated by eddy currents or engine vibrations and obviated the occurrence of disconnection acidents of the lead wires 2.
JP13569277A 1977-11-14 1977-11-14 Eddy type air flow meter Pending JPS5469472A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13569277A JPS5469472A (en) 1977-11-14 1977-11-14 Eddy type air flow meter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13569277A JPS5469472A (en) 1977-11-14 1977-11-14 Eddy type air flow meter

Publications (1)

Publication Number Publication Date
JPS5469472A true JPS5469472A (en) 1979-06-04

Family

ID=15157674

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13569277A Pending JPS5469472A (en) 1977-11-14 1977-11-14 Eddy type air flow meter

Country Status (1)

Country Link
JP (1) JPS5469472A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0628668U (en) * 1992-09-08 1994-04-15 日信工業株式会社 Mold temperature detector
US7043993B2 (en) 2002-10-23 2006-05-16 Denso Corporation Pressure sensor device having temperature sensor
JP2009111286A (en) * 2007-10-31 2009-05-21 Tdk Corp Thermistor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0628668U (en) * 1992-09-08 1994-04-15 日信工業株式会社 Mold temperature detector
US7043993B2 (en) 2002-10-23 2006-05-16 Denso Corporation Pressure sensor device having temperature sensor
JP2009111286A (en) * 2007-10-31 2009-05-21 Tdk Corp Thermistor

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