GB1343793A - Flowmeter - Google Patents

Flowmeter

Info

Publication number
GB1343793A
GB1343793A GB2929171A GB2929171A GB1343793A GB 1343793 A GB1343793 A GB 1343793A GB 2929171 A GB2929171 A GB 2929171A GB 2929171 A GB2929171 A GB 2929171A GB 1343793 A GB1343793 A GB 1343793A
Authority
GB
United Kingdom
Prior art keywords
diaphragm
tube
pressure
flow rate
strips
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.)
Expired
Application number
GB2929171A
Other languages
English (en)
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.)
Siemens AG
Original Assignee
Siemens AG
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 DE19702030775 external-priority patent/DE2030775C3/de
Application filed by Siemens AG filed Critical Siemens AG
Publication of GB1343793A publication Critical patent/GB1343793A/en
Expired legal-status Critical Current

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
    • A61B5/0876—Measuring breath flow using means deflected by the fluid stream, e.g. flaps
    • 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
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (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)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Measuring Volume Flow (AREA)
GB2929171A 1970-06-23 1971-06-22 Flowmeter Expired GB1343793A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702030775 DE2030775C3 (de) 1970-06-23 Strömungsmesser, insbesondere für Atemstromrezeptor

Publications (1)

Publication Number Publication Date
GB1343793A true GB1343793A (en) 1974-01-16

Family

ID=5774636

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2929171A Expired GB1343793A (en) 1970-06-23 1971-06-22 Flowmeter

Country Status (5)

Country Link
CH (1) CH525666A (nl)
FR (1) FR2099771A5 (nl)
GB (1) GB1343793A (nl)
NL (1) NL164961C (nl)
SE (1) SE367914B (nl)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2185112A (en) * 1985-11-18 1987-07-08 Morgan Ltd P K Respiratory flow rate measurement
US10004454B2 (en) 2010-11-23 2018-06-26 Koninklijke Philips N.V. Breath pacing device and method for packing the respiratory activity of a subject

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2564725A1 (fr) * 1984-05-23 1985-11-29 Telecom En Spirographe a capteur de debit du type pneumo-tachygraphe

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2185112A (en) * 1985-11-18 1987-07-08 Morgan Ltd P K Respiratory flow rate measurement
GB2185112B (en) * 1985-11-18 1989-10-04 P K Morgan Limited Apparatus for measuring respiratory flow rate
US10004454B2 (en) 2010-11-23 2018-06-26 Koninklijke Philips N.V. Breath pacing device and method for packing the respiratory activity of a subject

Also Published As

Publication number Publication date
DE2030775A1 (de) 1971-12-30
NL7108501A (nl) 1971-12-27
NL164961C (nl) 1981-02-16
FR2099771A5 (nl) 1972-03-17
DE2030775B2 (de) 1977-06-30
CH525666A (de) 1972-07-31
NL164961B (nl) 1980-09-15
SE367914B (nl) 1974-06-17

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee