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
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)
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)
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)
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 active Search and Examination
- 2000-09-01 AU AU2000269752A patent/AU2000269752A1/en not_active Abandoned
- 2000-09-01 KR KR10-2003-7003190A patent/KR20030043951A/ko not_active Application Discontinuation
- 2000-09-01 EP EP00958063A patent/EP1315948A2/en not_active Withdrawn
- 2000-09-01 JP JP2001522038A patent/JP2003529051A/ja active Pending
- 2000-09-01 CA CA002422398A patent/CA2422398A1/en not_active Abandoned
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 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
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 | |
CN101078640B (zh) | 超声波气流计和测量内燃发动机废气流量的装置以及获取气体流量的方法 | |
US6484590B1 (en) | Method for measuring fluid flow | |
AU2000269752A1 (en) | Several gas flow measuring devices and signal processing methods | |
US7478565B2 (en) | Method & apparatus for fluid flow rate and density measurement | |
CA2601840A1 (en) | Wet-gas flowmeter | |
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 | |
US20110138929A1 (en) | Kinetic Flow Meter | |
CN101836090A (zh) | 三重冗余涡流流量计系统 | |
JPH04505056A (ja) | 渦発生流量計 | |
Buess et al. | Design and construction of a pulsed ultrasonic air flowmeter | |
CA1069342A (en) | Variable orifice gas flow sensing head | |
US20030101827A1 (en) | Apparatus for measuring respiratory gas flow by means of a disposable respiratory tube | |
US20220390343A1 (en) | Detecting an orientation of a vibratory meter and compensating a measurement based on the detected orientation | |
KR100682026B1 (ko) | 소형 단방향 기류 계측용 호흡관 | |
JP2004522159A (ja) | 渦周波数流量計 | |
RU2005411C1 (ru) | Устройство для определения параметров дыхания | |
JP3712341B2 (ja) | 渦流量計 | |
Lin et al. | Prototype development of digital spirometer | |
UA151719U (uk) | Спосіб вимірювання полів тиску і параметрів вихрових джгутів у проточній частині гідромашини | |
GB2443750A (en) | Compensation for the effects of temperature and transducer delay time in an ultrasonic transit time flowmeter | |
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 |