JPS5750612A - Measuring apparatus for flow rate of gas - Google Patents

Measuring apparatus for flow rate of gas

Info

Publication number
JPS5750612A
JPS5750612A JP12675680A JP12675680A JPS5750612A JP S5750612 A JPS5750612 A JP S5750612A JP 12675680 A JP12675680 A JP 12675680A JP 12675680 A JP12675680 A JP 12675680A JP S5750612 A JPS5750612 A JP S5750612A
Authority
JP
Japan
Prior art keywords
light
flow rate
flow
gas
gaseous
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
JP12675680A
Other languages
Japanese (ja)
Inventor
Motohiro Nakahara
Fumiaki Hanawa
Shoichi Sudo
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone 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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP12675680A priority Critical patent/JPS5750612A/en
Publication of JPS5750612A publication Critical patent/JPS5750612A/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
    • G01F1/06—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 using rotating vanes with tangential admission
    • G01F1/065—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 using rotating vanes with tangential admission with radiation as transfer means to the indicating device, e.g. light transmission

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)

Abstract

PURPOSE:To accurately measure a flow rate of gas at a low cost, by measuring the variation of received quantity of light of a reflection body provided to a rotating body varying the speed in accordance with the flow rate of the gas. CONSTITUTION:The speed of a gaseous flow from a gaseous flow inlet 23 is accelerated by a nozzle 22 and the gaseous flow strikes on a blade of a rotating body 25 and then, the body 25 is rotated at the rotatioal number in accordance with the flow speed. A reflection board 26 of the body 25 reflects a light from a luminous body 30 having a constant luminous energy through an optical fiber 28. This reflected light is received by an optical fiber 29 connected to a control part 31 and this received quantity of light is photoelectrically converted. The gaseous lows flow rate can be detected as the received quantity of light by measuring the relation between the flow rate and the rotational number preliminarily, so that the received quantity of light is proportional to the rotational number of the body 25 and the number of the board 26. Accordingly, the accuracy of measurement can be more heightened by accelerating the rotational number and increasing the number of reflection boards.
JP12675680A 1980-09-12 1980-09-12 Measuring apparatus for flow rate of gas Pending JPS5750612A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12675680A JPS5750612A (en) 1980-09-12 1980-09-12 Measuring apparatus for flow rate of gas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12675680A JPS5750612A (en) 1980-09-12 1980-09-12 Measuring apparatus for flow rate of gas

Publications (1)

Publication Number Publication Date
JPS5750612A true JPS5750612A (en) 1982-03-25

Family

ID=14943135

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12675680A Pending JPS5750612A (en) 1980-09-12 1980-09-12 Measuring apparatus for flow rate of gas

Country Status (1)

Country Link
JP (1) JPS5750612A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61122524U (en) * 1985-01-21 1986-08-01
WO2004003484A3 (en) * 2002-06-28 2004-04-15 Weatherford Lamb Venturi augmented flow meter
JP2021001844A (en) * 2019-06-24 2021-01-07 アラム株式会社 Flow monitor

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61122524U (en) * 1985-01-21 1986-08-01
WO2004003484A3 (en) * 2002-06-28 2004-04-15 Weatherford Lamb Venturi augmented flow meter
GB2405485A (en) * 2002-06-28 2005-03-02 Weatherford Lamb Venturi augmented flow meter
GB2405485B (en) * 2002-06-28 2006-05-24 Weatherford Lamb Venturi augmented flow meter
JP2021001844A (en) * 2019-06-24 2021-01-07 アラム株式会社 Flow monitor

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