CA2422398A1 - Several gas flow measuring devices and signal processing methods - Google Patents

Several gas flow measuring devices and signal processing methods Download PDF

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Publication number
CA2422398A1
CA2422398A1 CA002422398A CA2422398A CA2422398A1 CA 2422398 A1 CA2422398 A1 CA 2422398A1 CA 002422398 A CA002422398 A CA 002422398A CA 2422398 A CA2422398 A CA 2422398A CA 2422398 A1 CA2422398 A1 CA 2422398A1
Authority
CA
Canada
Prior art keywords
flow
gas flow
elements
transducer
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
CA002422398A
Other languages
English (en)
French (fr)
Inventor
Oleg Grudin
Alexander Gendin
Gennadiy Frolov
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
Individual
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 Individual filed Critical Individual
Publication of CA2422398A1 publication Critical patent/CA2422398A1/en
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)
CA002422398A 1999-09-03 2000-09-01 Several gas flow measuring devices and signal processing methods Abandoned CA2422398A1 (en)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
US15248799P 1999-09-03 1999-09-03
US15246199P 1999-09-03 1999-09-03
US15246499P 1999-09-03 1999-09-03
US15246099P 1999-09-03 1999-09-03
US60/152,460 1999-09-03
US60/152,464 1999-09-03
US60/152,461 1999-09-03
US60/152,487 1999-09-03
PCT/CA2000/001026 WO2001018496A2 (en) 1999-09-03 2000-09-01 Several gas flow measuring devices and signal processing methods

Publications (1)

Publication Number Publication Date
CA2422398A1 true CA2422398A1 (en) 2001-03-15

Family

ID=27496022

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002422398A Abandoned CA2422398A1 (en) 1999-09-03 2000-09-01 Several gas flow measuring devices and signal processing methods

Country Status (6)

Country Link
EP (1) EP1315948A2 (US07585860-20090908-C00162.png)
JP (1) JP2003529051A (US07585860-20090908-C00162.png)
KR (1) KR20030043951A (US07585860-20090908-C00162.png)
AU (1) AU2000269752A1 (US07585860-20090908-C00162.png)
CA (1) CA2422398A1 (US07585860-20090908-C00162.png)
WO (1) WO2001018496A2 (US07585860-20090908-C00162.png)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5069839B2 (ja) * 2001-10-12 2012-11-07 ホリバ エステック，インコーポレーテッド 質量流量装置を作製および使用するためのシステム及び方法
US20050039809A1 (en) * 2003-08-21 2005-02-24 Speldrich Jamie W. Flow sensor with integrated delta P flow restrictor
EP2099361A4 (en) * 2007-01-04 2013-03-06 Oridion Medical 1987 Ltd CAPNOGRAPHY DEVICE AND METHOD
JP6434419B2 (ja) 2012-11-30 2018-12-05 インペリアル イノベ−ションズ リミテッド 流体搬送導管網をモニタリングするための装置、方法およびシステム
KR20150132124A (ko) 2013-02-08 2015-11-25 프로브타가렌 에이비 강화된 차등 열식 질량 유량계 어셈블리 및 질량 유량계 어셈블리를 사용하여 질량 유량을 측정하기 위한 방법
AU2016270539B2 (en) * 2015-06-04 2020-10-22 Fluid Handling Llc Contoured insert for flow verification
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
AU2000269752A8 (US07585860-20090908-C00162.png) 2001-06-07
KR20030043951A (ko) 2003-06-02
WO2001018496A2 (en) 2001-03-15
WO2001018496A3 (en) 2002-09-12
AU2000269752A1 (en) 2001-04-10
EP1315948A2 (en) 2003-06-04
JP2003529051A (ja) 2003-09-30

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