SE9801007D0 - Anordning för mätning av ett gasflöde - Google Patents

Anordning för mätning av ett gasflöde

Info

Publication number
SE9801007D0
SE9801007D0 SE9801007A SE9801007A SE9801007D0 SE 9801007 D0 SE9801007 D0 SE 9801007D0 SE 9801007 A SE9801007 A SE 9801007A SE 9801007 A SE9801007 A SE 9801007A SE 9801007 D0 SE9801007 D0 SE 9801007D0
Authority
SE
Sweden
Prior art keywords
measuring
gas flow
heads
diaphragms
transmitter
Prior art date
Application number
SE9801007A
Other languages
English (en)
Inventor
Lars Wallen
Carl-Erik Arvidsson
Original Assignee
Siemens Elema Ab
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 Siemens Elema Ab filed Critical Siemens Elema Ab
Priority to SE9801007A priority Critical patent/SE9801007D0/sv
Publication of SE9801007D0 publication Critical patent/SE9801007D0/sv
Priority to EP99104484A priority patent/EP0945712A1/de
Priority to US09/274,862 priority patent/US6058786A/en
Priority to JP11082089A priority patent/JPH11325996A/ja

Links

Classifications

    • 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
    • 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
    • G01F1/66—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 measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
    • G01F1/662—Constructional details

Landscapes

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Surgery (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Physiology (AREA)
  • Molecular Biology (AREA)
  • Pulmonology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Measuring Volume Flow (AREA)
SE9801007A 1998-03-25 1998-03-25 Anordning för mätning av ett gasflöde SE9801007D0 (sv)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SE9801007A SE9801007D0 (sv) 1998-03-25 1998-03-25 Anordning för mätning av ett gasflöde
EP99104484A EP0945712A1 (de) 1998-03-25 1999-03-05 Vorrichtung zum Messen eines Gasflusses
US09/274,862 US6058786A (en) 1998-03-25 1999-03-23 Device for measuring a gas flow
JP11082089A JPH11325996A (ja) 1998-03-25 1999-03-25 気体流量を測定するための装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9801007A SE9801007D0 (sv) 1998-03-25 1998-03-25 Anordning för mätning av ett gasflöde

Publications (1)

Publication Number Publication Date
SE9801007D0 true SE9801007D0 (sv) 1998-03-25

Family

ID=20410694

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9801007A SE9801007D0 (sv) 1998-03-25 1998-03-25 Anordning för mätning av ett gasflöde

Country Status (4)

Country Link
US (1) US6058786A (sv)
EP (1) EP0945712A1 (sv)
JP (1) JPH11325996A (sv)
SE (1) SE9801007D0 (sv)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE9801430D0 (sv) * 1998-04-23 1998-04-23 Siemens Elema Ab Ultraljudsflödesmätare
US6629934B2 (en) * 2000-02-02 2003-10-07 Healthetech, Inc. Indirect calorimeter for medical applications
EP1279368A3 (de) * 2001-07-17 2004-09-15 ndd Medizintechnik AG Vorrichtung zur Messung der Strömungsgeschwindigkeit und/oder der Molmasse von Gasen- oder Gasgemischen
US20060282002A1 (en) * 2005-06-10 2006-12-14 Treatyou Medical Technology Co. Respiratory testing system
US7464588B2 (en) * 2005-10-14 2008-12-16 Baker Hughes Incorporated Apparatus and method for detecting fluid entering a wellbore
US8109268B2 (en) 2007-01-08 2012-02-07 Dräger Medical GmbH Device for detecting a gas volume flow
DE102008002027A1 (de) * 2008-05-28 2009-12-03 Endress + Hauser Flowtec Ag Messzelle, welche lösbar an einer dafür vorgesehenen Messvorrichtung anbringbar ist
DE102008002028A1 (de) * 2008-05-28 2009-12-03 Endress + Hauser Flowtec Ag Messzelle, welche lösbar an einer dafür vorgesehenen Messvorrichtung anbringbar ist
EP2236994A1 (en) 2009-04-02 2010-10-06 Kamstrup A/S Flow meter with common protection membrane
DE102009046146A1 (de) * 2009-10-29 2011-05-12 Robert Bosch Gmbh Ultraschallwandler zum Einsatz in einem fluiden Medium
EP2568263B1 (de) * 2011-09-12 2018-01-31 Hydrosonic b.v. Portables Ultraschallduchflussmesssystem
PL2758753T3 (pl) 2011-09-23 2016-08-31 Kamstrup As Przepływomierz z wystającymi przetwornikami
US8928137B2 (en) 2013-05-15 2015-01-06 Kamstrup A/S Flow meter with ultrasound transducer directly connected to and fixed to measurement circuit board
DE102013109349A1 (de) * 2013-08-29 2015-03-05 Endress + Hauser Flowtec Ag Ultraschallwandler und Ultraschall-Durchflussmessgerät
DE102015102762A1 (de) * 2015-02-26 2016-09-01 Sick Ag Ultraschallwandler und Verfahren zur Herstellung eines Ultraschallwandlers
EP3118656A1 (en) * 2015-07-13 2017-01-18 Openfield A downhole ultrasonic transducer, downhole probe and tool comprising such a transducer

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3869915A (en) * 1973-01-23 1975-03-11 Joseph Baumoel Digital flowmeter
FR2385084A1 (fr) * 1977-03-25 1978-10-20 Crouzet Sa Perfectionnement aux debitmetres a ultrasons
AT377086B (de) * 1979-07-19 1985-02-11 Friedmann Kg Alex Vorrichtung zum messen der stroemungsgeschwindigkeit eines fluids
US4742717A (en) * 1986-09-16 1988-05-10 Kaijo Denki Co., Ltd. Gas flow rate measuring device
DE4222286C1 (de) * 1992-06-03 1994-05-11 Reutter Georg Dr Ultraschall-Spirometer
DE4318690A1 (de) * 1993-06-04 1995-01-05 Ndd Medizintechnik Gmbh Verfahren zur Messung der Molmasse von Gasen oder Gasgemischen und Vorrichtung zur Durchführung dieses Verfahrens
KR960013251B1 (ko) * 1993-08-25 1996-10-02 주식회사 창민물산 초음파 유량측정 방법과 장치
DE4335394C2 (de) * 1993-10-16 1997-02-13 Karlsruhe Forschzent Ultraschalldurchflußmesser
DE9406196U1 (de) * 1994-04-14 1995-08-10 Gier & Partner GmbH, 40789 Monheim Rohrleitungs-Pass-Stück, insbesondere für opto-elektronische Volumenstrom-Messungen in Rohrleitungen
DE9410661U1 (de) * 1994-07-01 1994-10-13 NDD Medizintechnik GmbH, 97074 Würzburg Ultraschall-Spirometer
SE508439C2 (sv) * 1997-04-21 1998-10-05 Siemens Elema Ab Mätanordning för samtidig bestämning av flöde av en strömmande gasblandning och koncentration av en specifik gas i gasblandningen.

Also Published As

Publication number Publication date
JPH11325996A (ja) 1999-11-26
US6058786A (en) 2000-05-09
EP0945712A1 (de) 1999-09-29

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