FR2457675A1 - Pneumotachographe a tubes de pitot - Google Patents

Pneumotachographe a tubes de pitot

Info

Publication number
FR2457675A1
FR2457675A1 FR8011821A FR8011821A FR2457675A1 FR 2457675 A1 FR2457675 A1 FR 2457675A1 FR 8011821 A FR8011821 A FR 8011821A FR 8011821 A FR8011821 A FR 8011821A FR 2457675 A1 FR2457675 A1 FR 2457675A1
Authority
FR
France
Prior art keywords
flow path
pneumotachographer
pitot tube
pitot tubes
chicanes
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.)
Granted
Application number
FR8011821A
Other languages
English (en)
French (fr)
Other versions
FR2457675B1 (enExample
Inventor
John Jay Osborn
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.)
Japan Science and Technology Agency
Original Assignee
Research Development Corp of Japan
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 Research Development Corp of Japan filed Critical Research Development Corp of Japan
Publication of FR2457675A1 publication Critical patent/FR2457675A1/fr
Application granted granted Critical
Publication of FR2457675B1 publication Critical patent/FR2457675B1/fr
Granted 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
    • 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
    • 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
    • A61B5/0876—Measuring breath flow using means deflected by the fluid stream, e.g. flaps

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (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)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
FR8011821A 1979-05-29 1980-05-28 Pneumotachographe a tubes de pitot Granted FR2457675A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US4326379A 1979-05-29 1979-05-29
US15174280A 1980-05-20 1980-05-20

Publications (2)

Publication Number Publication Date
FR2457675A1 true FR2457675A1 (fr) 1980-12-26
FR2457675B1 FR2457675B1 (enExample) 1983-11-10

Family

ID=26720201

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8011821A Granted FR2457675A1 (fr) 1979-05-29 1980-05-28 Pneumotachographe a tubes de pitot

Country Status (4)

Country Link
CA (1) CA1139965A (enExample)
DE (1) DE3020265C2 (enExample)
FR (1) FR2457675A1 (enExample)
GB (1) GB2052074B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2624271A1 (fr) * 1987-12-02 1989-06-09 Aerospatiale Dispositif detecteur de fuites pour circuit a circulation de fluide

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL72446A0 (en) * 1984-07-19 1984-11-30 Moshe Grinbaum Spirometer
FI84757C (fi) * 1988-12-12 1992-01-10 Instrumentarium Oy Foer stroemningsmaetning avsett gasens stroemning begraensande och styrande organ.
US5038773A (en) * 1990-06-08 1991-08-13 Medical Graphics Corporation Flow meter system
US5379650A (en) * 1992-09-23 1995-01-10 Korr Medical Technologies Inc. Differential pressure sensor for respiratory monitoring
US5535633A (en) * 1992-09-23 1996-07-16 Korr Medical Technologies, Inc. Differential pressure sensor for respiratory monitoring
US5443075A (en) * 1993-03-01 1995-08-22 Puritan-Bennett Corporation Flow measuring apparatus
US7335164B2 (en) 1996-07-15 2008-02-26 Ntc Technology, Inc. Multiple function airway adapter
US5789660A (en) 1996-07-15 1998-08-04 Novametrix Medical Systems, Inc. Multiple function airway adapter

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2360063A1 (fr) * 1976-07-29 1978-02-24 Research Dev Corp Tete de detection de l'ecoulement d'un gaz
US4083245A (en) * 1977-03-21 1978-04-11 Research Development Corporation Variable orifice gas flow sensing head
DE2802830A1 (de) * 1978-01-23 1979-07-26 Gerhard Dr Ing Mueller Fluid-stroemungsmesser
GB2018426A (en) * 1978-04-06 1979-10-17 Research Dev Corp Apparatus for use in measurement of oxygen uptake and respiratiry quotient

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2233829A1 (de) * 1972-07-10 1974-03-14 Westfaelische Metall Industrie Kraftstoffbehaelter, insbesondere kraftradtank

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2360063A1 (fr) * 1976-07-29 1978-02-24 Research Dev Corp Tete de detection de l'ecoulement d'un gaz
US4083245A (en) * 1977-03-21 1978-04-11 Research Development Corporation Variable orifice gas flow sensing head
DE2802830A1 (de) * 1978-01-23 1979-07-26 Gerhard Dr Ing Mueller Fluid-stroemungsmesser
GB2018426A (en) * 1978-04-06 1979-10-17 Research Dev Corp Apparatus for use in measurement of oxygen uptake and respiratiry quotient

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2624271A1 (fr) * 1987-12-02 1989-06-09 Aerospatiale Dispositif detecteur de fuites pour circuit a circulation de fluide

Also Published As

Publication number Publication date
GB2052074B (en) 1984-05-10
CA1139965A (en) 1983-01-25
FR2457675B1 (enExample) 1983-11-10
GB2052074A (en) 1981-01-21
DE3020265C2 (de) 1984-03-15
DE3020265A1 (de) 1981-01-22

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Legal Events

Date Code Title Description
ST Notification of lapse