AU2000269752A1 - Several gas flow measuring devices and signal processing methods - Google Patents
Several gas flow measuring devices and signal processing methodsInfo
- 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
Links
- 238000003672 processing method Methods 0.000 title 1
- 238000000034 method Methods 0.000 claims description 43
- 230000001133 acceleration Effects 0.000 claims description 41
- 238000012935 Averaging Methods 0.000 claims description 15
- 238000012545 processing Methods 0.000 claims description 15
- 238000013139 quantization Methods 0.000 claims description 13
- 238000005070 sampling Methods 0.000 claims description 12
- 238000011144 upstream manufacturing Methods 0.000 claims description 10
- 238000009826 distribution Methods 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 9
- 230000036039 immunity Effects 0.000 claims description 8
- 230000001939 inductive effect Effects 0.000 claims description 5
- 238000012546 transfer Methods 0.000 claims description 4
- 238000012886 linear function Methods 0.000 claims description 3
- 230000010355 oscillation Effects 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 claims 1
- 239000007789 gas Substances 0.000 description 87
- 238000013125 spirometry Methods 0.000 description 16
- 230000035945 sensitivity Effects 0.000 description 14
- 238000011088 calibration curve Methods 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 12
- 230000004044 response Effects 0.000 description 8
- 238000005259 measurement Methods 0.000 description 7
- 230000003071 parasitic effect Effects 0.000 description 7
- 238000013461 design Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 4
- 230000001965 increasing effect Effects 0.000 description 4
- 230000000593 degrading effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 230000001629 suppression Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 210000000115 thoracic cavity Anatomy 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
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—Measuring 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)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Biophysics (AREA)
- Molecular Biology (AREA)
- Pathology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pulmonology (AREA)
- Physiology (AREA)
- Measuring Volume Flow (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US15246099P | 1999-09-03 | 1999-09-03 | |
| US15246199P | 1999-09-03 | 1999-09-03 | |
| US15246499P | 1999-09-03 | 1999-09-03 | |
| US15248799P | 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 (enExample) | 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 (enExample) |
| JP (1) | JP2003529051A (enExample) |
| KR (1) | KR20030043951A (enExample) |
| AU (1) | AU2000269752A1 (enExample) |
| CA (1) | CA2422398A1 (enExample) |
| WO (1) | WO2001018496A2 (enExample) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1442343B1 (en) * | 2001-10-12 | 2008-05-14 | Horiba Stec, Inc. | System and method for making and using a mass flow device |
| US20050039809A1 (en) * | 2003-08-21 | 2005-02-24 | Speldrich Jamie W. | Flow sensor with integrated delta P flow restrictor |
| WO2008081449A2 (en) * | 2007-01-04 | 2008-07-10 | Oridion Medical (1987) Ltd. | Capngoraphy device and method |
| ES2921859T3 (es) | 2012-11-30 | 2022-09-01 | Ip2Ipo Innovations Ltd | Un dispositivo, procedimiento y sistema para monitorizar una red de conductos de transporte de fluidos |
| BR112015018170A2 (pt) | 2013-02-08 | 2017-07-18 | Provtagaren Ab | montagem de fluxômetro de massa térmica diferencial para medição de um fluxo de massa de um gás ou líquido, método de medição de um fluxo de massa de um gás ou líquido utilizando uma montagem de fluxômetro de massa térmica diferencial, e método de medição de um fluxo de massa de um gás ou líquido utilizando um fluxômetro de massa térmica diferencial |
| CN107850472B (zh) * | 2015-06-04 | 2019-12-17 | 流体处理有限责任公司 | 用于流量验证的波状外形插入件 |
| 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 |
| CN111238583B (zh) * | 2018-11-29 | 2025-08-15 | 河北双雅科技有限公司 | 一种采用掺混空气检测低流速瓦斯抽采管路流量的方法 |
| 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 |
| CN120760808B (zh) * | 2025-07-01 | 2026-01-27 | 原阳县水利事务服务中心 | 明渠流量智能监测系统及方法 |
| CN122266103B (zh) * | 2026-05-26 | 2026-08-07 | 营口新山鹰报警设备有限公司 | 一种基于神经网络的吸气式感烟火灾探测器寻迹定位方法及装置 |
Family Cites Families (10)
| 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 |
-
2000
- 2000-09-01 WO PCT/CA2000/001026 patent/WO2001018496A2/en not_active Ceased
- 2000-09-01 CA CA002422398A patent/CA2422398A1/en not_active Abandoned
- 2000-09-01 EP EP00958063A patent/EP1315948A2/en not_active Withdrawn
- 2000-09-01 AU AU2000269752A patent/AU2000269752A1/en not_active Abandoned
- 2000-09-01 JP JP2001522038A patent/JP2003529051A/ja active Pending
- 2000-09-01 KR KR10-2003-7003190A patent/KR20030043951A/ko not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| WO2001018496A3 (en) | 2002-09-12 |
| AU2000269752A8 (enExample) | 2001-06-07 |
| WO2001018496A2 (en) | 2001-03-15 |
| CA2422398A1 (en) | 2001-03-15 |
| JP2003529051A (ja) | 2003-09-30 |
| KR20030043951A (ko) | 2003-06-02 |
| EP1315948A2 (en) | 2003-06-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2001018496A2 (en) | Several gas flow measuring devices and signal processing methods | |
| US4083245A (en) | Variable orifice gas flow sensing head | |
| US5347843A (en) | Differential pressure flowmeter with enhanced signal processing for respiratory flow measurement | |
| US5038773A (en) | Flow meter system | |
| CN100383493C (zh) | 用于测量管道中流动的流体的质量流量的方法 | |
| US7124621B2 (en) | Acoustic flowmeter calibration method | |
| US7478565B2 (en) | Method & apparatus for fluid flow rate and density measurement | |
| CA2601840A1 (en) | Wet-gas flowmeter | |
| US20110138929A1 (en) | Kinetic Flow Meter | |
| Buess et al. | A pulsed diagonal-beam ultrasonic airflow meter | |
| JP2009085949A (ja) | 熱流量測定システムおよび方法 | |
| JPH04505056A (ja) | 渦発生流量計 | |
| CA1069342A (en) | Variable orifice gas flow sensing head | |
| US12455220B2 (en) | Detecting an orientation of a vibratory meter and compensating a measurement based on the detected orientation | |
| US20030101827A1 (en) | Apparatus for measuring respiratory gas flow by means of a disposable respiratory tube | |
| JP2012127864A (ja) | 脈動流の流量測定方法およびガス流量測定装置 | |
| RU2005411C1 (ru) | Устройство для определения параметров дыхания | |
| RU73600U1 (ru) | Спирометр | |
| KR100682026B1 (ko) | 소형 단방향 기류 계측용 호흡관 | |
| Lin et al. | Prototype development of digital spirometer | |
| UA151719U (uk) | Спосіб вимірювання полів тиску і параметрів вихрових джгутів у проточній частині гідромашини | |
| JPH08271299A (ja) | エッジトーン流量計 | |
| GB2443750A (en) | Compensation for the effects of temperature and transducer delay time in an ultrasonic transit time flowmeter | |
| CN115326151A (zh) | 一种油气回收涡街气体流量计与分段系数流量修正方法 | |
| RU26645U1 (ru) | Вихревой расходомер |
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 |