AU2000269752A1 - Several gas flow measuring devices and signal processing methods - Google Patents

Several gas flow measuring devices and signal processing methods

Info

Publication number
AU2000269752A1
AU2000269752A1 AU2000269752A AU6975200A AU2000269752A1 AU 2000269752 A1 AU2000269752 A1 AU 2000269752A1 AU 2000269752 A AU2000269752 A AU 2000269752A AU 6975200 A AU6975200 A AU 6975200A AU 2000269752 A1 AU2000269752 A1 AU 2000269752A1
Authority
AU
Australia
Prior art keywords
flow
gas flow
transducer
elements
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.)
Abandoned
Application number
AU2000269752A
Other languages
English (en)
Other versions
AU2000269752A8 (sr
Inventor
Gennadiy Frolov
Alexander Gendin
Oleg Grudin
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.)
Microbridge Technologies Inc
Original Assignee
Microbridge Technologies Inc
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 Microbridge Technologies Inc filed Critical Microbridge Technologies Inc
Publication of AU2000269752A1 publication Critical patent/AU2000269752A1/en
Publication of AU2000269752A8 publication Critical patent/AU2000269752A8/xx
Abandoned 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
    • G01F1/34—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 measuring pressure or differential pressure
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/08—Detecting, measuring or recording devices for evaluating the respiratory organs
    • A61B5/087—Measuring breath flow
    • A61B5/0878—Measuring breath flow using temperature sensing means
    • 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
    • G01F1/34—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 measuring pressure or differential pressure
    • G01F1/36—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 measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction
    • G01F1/40—Details of construction of the flow constriction devices
    • G01F1/42—Orifices or nozzles
    • 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
    • G01F1/68—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 thermal effects
    • G01F1/684—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow

Landscapes

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Physiology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Pulmonology (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Measuring Volume Flow (AREA)
AU2000269752A 1999-09-03 2000-09-01 Several gas flow measuring devices and signal processing methods Abandoned AU2000269752A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US15246099P 1999-09-03 1999-09-03
US15246499P 1999-09-03 1999-09-03
US15248799P 1999-09-03 1999-09-03
US15246199P 1999-09-03 1999-09-03
PCT/CA2000/001026 WO2001018496A2 (en) 1999-09-03 2000-09-01 Several gas flow measuring devices and signal processing methods

Publications (2)

Publication Number Publication Date
AU2000269752A1 true AU2000269752A1 (en) 2001-04-10
AU2000269752A8 AU2000269752A8 (sr) 2001-06-07

Family

ID=27496022

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2000269752A Abandoned AU2000269752A1 (en) 1999-09-03 2000-09-01 Several gas flow measuring devices and signal processing methods

Country Status (6)

Country Link
EP (1) EP1315948A2 (sr)
JP (1) JP2003529051A (sr)
KR (1) KR20030043951A (sr)
AU (1) AU2000269752A1 (sr)
CA (1) CA2422398A1 (sr)
WO (1) WO2001018496A2 (sr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100937726B1 (ko) * 2001-10-12 2010-01-20 호리바 스텍, 인크. 질량 유량 장치를 구성 및 사용하기 위한 시스템 및 방법
US20050039809A1 (en) * 2003-08-21 2005-02-24 Speldrich Jamie W. Flow sensor with integrated delta P flow restrictor
US9974465B2 (en) 2007-01-04 2018-05-22 Oridion Medical 1987 Ltd. Capnography device and method
KR20150095718A (ko) 2012-11-30 2015-08-21 임페리얼 이노베이션스 리미티드 유체운반 도관 망을 감시하는 장치, 방법 및 시스템
EP2954293A4 (en) * 2013-02-08 2017-03-15 Provtagaren AB Enhanced differential thermal mass flow meter assembly and methods for measuring a mass flow using said mass flow meter assembly
DK3304008T3 (da) * 2015-06-04 2020-04-27 Fluid Handling Llc Konturindsats til flow-verificering
US11890089B1 (en) 2015-07-28 2024-02-06 Thorasys Thoracic Medical Systems Inc. Flowmeter for airway resistance measurements
CN108802418B (zh) * 2018-08-23 2023-09-15 安徽启源智能科技有限公司 滤池反冲洗测试仪及测试系统
CN109341786B (zh) * 2018-12-04 2023-10-27 东北林业大学 一种汽车空气流量传感器
EP3933352A1 (de) * 2020-07-01 2022-01-05 Sick Ag Thermische durchflussmessung
CN113171986A (zh) * 2021-05-19 2021-07-27 四川中烟工业有限责任公司 一种自动控制风选器剔梗量的方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1512290A (en) * 1975-11-24 1978-06-01 Agar J Instrumentation Ltd Method and apparatus for determining fluid flow rate and/or for exercising a control in dependence thereon
US4083245A (en) * 1977-03-21 1978-04-11 Research Development Corporation Variable orifice gas flow sensing head
JPS56136027A (en) * 1980-03-27 1981-10-23 Victor Co Of Japan Ltd Signal processor having quantization distortion reduced
GB2097536A (en) * 1981-04-24 1982-11-03 Wolfendale Peter Caleb Frederi Correcting transducer measurements
US5186056A (en) * 1989-05-08 1993-02-16 Lew Hyok S Vortex flowmeter with dual vortex sensors
US4996871A (en) * 1989-06-02 1991-03-05 Micro Motion, Inc. Coriolis densimeter having substantially increased noise immunity
DE4238149C2 (de) * 1992-11-12 1997-05-28 Meissner & Wurst Drucküberwachungseinrichtung für den Reinraum
DE4320326A1 (de) * 1993-06-18 1994-12-22 Siemens Ag Vorrichtung zur Messung einer radialen Gas- oder Flüssigkeitsströmung mit einer Wheatstone-Brücke von vier temperaturempfindlichen Widerständen
US5944048A (en) * 1996-10-04 1999-08-31 Emerson Electric Co. Method and apparatus for detecting and controlling mass flow
JP3557595B2 (ja) * 1996-10-22 2004-08-25 日本光電工業株式会社 フローセンサ

Also Published As

Publication number Publication date
WO2001018496A2 (en) 2001-03-15
EP1315948A2 (en) 2003-06-04
AU2000269752A8 (sr) 2001-06-07
JP2003529051A (ja) 2003-09-30
CA2422398A1 (en) 2001-03-15
KR20030043951A (ko) 2003-06-02
WO2001018496A3 (en) 2002-09-12

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase
TH Corrigenda

Free format text: IN VOL 16, NO 14, PAGE(S) 3411-3422 UNDER THE HEADING APPLICATIONS LAPSED, REFUSED OR WITHDRAWN PLEASE DELETE ALL REFERENCE TO APPLICATION NO. 69752/00