FR2360063A1 - Tete de detection de l'ecoulement d'un gaz - Google Patents

Tete de detection de l'ecoulement d'un gaz

Info

Publication number
FR2360063A1
FR2360063A1 FR7718573A FR7718573A FR2360063A1 FR 2360063 A1 FR2360063 A1 FR 2360063A1 FR 7718573 A FR7718573 A FR 7718573A FR 7718573 A FR7718573 A FR 7718573A FR 2360063 A1 FR2360063 A1 FR 2360063A1
Authority
FR
France
Prior art keywords
gas flow
gas
diaphragm
measuring head
cut out
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.)
Withdrawn
Application number
FR7718573A
Other languages
English (en)
French (fr)
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
Priority claimed from US05/779,557 external-priority patent/US4083245A/en
Application filed by Research Development Corp of Japan filed Critical Research Development Corp of Japan
Publication of FR2360063A1 publication Critical patent/FR2360063A1/fr
Withdrawn legal-status Critical Current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
    • G01F1/40—Details of construction of the flow constriction devices
    • G01F1/42—Orifices or nozzles
    • 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
    • A61B5/0876—Measuring breath flow using means deflected by the fluid stream, e.g. flaps
FR7718573A 1976-07-29 1977-06-16 Tete de detection de l'ecoulement d'un gaz Withdrawn FR2360063A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US70986776A 1976-07-29 1976-07-29
US05/779,557 US4083245A (en) 1977-03-21 1977-03-21 Variable orifice gas flow sensing head

Publications (1)

Publication Number Publication Date
FR2360063A1 true FR2360063A1 (fr) 1978-02-24

Family

ID=27108328

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7718573A Withdrawn FR2360063A1 (fr) 1976-07-29 1977-06-16 Tete de detection de l'ecoulement d'un gaz

Country Status (5)

Country Link
JP (1) JPS5316658A (de)
CA (1) CA1069342A (de)
DE (1) DE2723337A1 (de)
FR (1) FR2360063A1 (de)
SE (1) SE432023B (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2421593A1 (fr) * 1978-04-06 1979-11-02 Research Dev Corp Appareil de mesure de l'absorption d'oxygene
FR2457675A1 (fr) * 1979-05-29 1980-12-26 Research Dev Corp Pneumotachographe a tubes de pitot
EP0331773A1 (de) * 1988-03-08 1989-09-13 Dräger Nederland B.V. Strömungswiderstandsrohr für Gasströmungsmesser
EP0331772A1 (de) * 1988-03-08 1989-09-13 Dräger Nederland B.V. Differenzdruckmesser für bidirektionale Gasströme
EP2579776A4 (de) * 2010-06-29 2013-04-17 Rostrum Medical Innovations Inc Spirometrie-atemschlauch mit einer verbundmembran

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6256820A (ja) * 1985-09-06 1987-03-12 Shinmeguro Keiki Kk 流量計測用絞り装置
DE3709776A1 (de) * 1987-03-25 1988-10-06 Eckardt Ag Verfahren zur messung des durchflusses eines mediums durch eine rohrleitung o. dgl.
US9476744B2 (en) * 2014-10-08 2016-10-25 Dieterich Standard, Inc. Integrated orifice plate assembly
NL2022125B1 (en) * 2018-12-03 2020-06-30 Suss Microtec Lithography Gmbh Apparatus for measuring a fluid flow through a pipe of a semiconductor manufacturing device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2989866A (en) * 1956-01-03 1961-06-27 Bendix Corp Cantilever beam flowmeter

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2421593A1 (fr) * 1978-04-06 1979-11-02 Research Dev Corp Appareil de mesure de l'absorption d'oxygene
FR2457675A1 (fr) * 1979-05-29 1980-12-26 Research Dev Corp Pneumotachographe a tubes de pitot
EP0331773A1 (de) * 1988-03-08 1989-09-13 Dräger Nederland B.V. Strömungswiderstandsrohr für Gasströmungsmesser
EP0331772A1 (de) * 1988-03-08 1989-09-13 Dräger Nederland B.V. Differenzdruckmesser für bidirektionale Gasströme
EP2579776A4 (de) * 2010-06-29 2013-04-17 Rostrum Medical Innovations Inc Spirometrie-atemschlauch mit einer verbundmembran
EP2579776A1 (de) * 2010-06-29 2013-04-17 Rostrum Medical Innovations Inc. Spirometrie-atemschlauch mit einer verbundmembran
US9931056B2 (en) 2010-06-29 2018-04-03 Rostrum Medical Innovations Inc. Spirometer breathing tube with compound membrane

Also Published As

Publication number Publication date
CA1069342A (en) 1980-01-08
SE7705919L (sv) 1978-01-30
JPS61567B2 (de) 1986-01-09
JPS5316658A (en) 1978-02-15
DE2723337A1 (de) 1978-02-02
SE432023B (sv) 1984-03-12

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Legal Events

Date Code Title Description
ST Notification of lapse