GB2002904A - Flowmeter - Google Patents

Flowmeter

Info

Publication number
GB2002904A
GB2002904A GB7833694A GB7833694A GB2002904A GB 2002904 A GB2002904 A GB 2002904A GB 7833694 A GB7833694 A GB 7833694A GB 7833694 A GB7833694 A GB 7833694A GB 2002904 A GB2002904 A GB 2002904A
Authority
GB
United Kingdom
Prior art keywords
inlet
flow meter
ducts
flow
meter
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
GB7833694A
Other versions
GB2002904B (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.)
DANIELSSON U
Original Assignee
DANIELSSON U
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 DANIELSSON U filed Critical DANIELSSON U
Publication of GB2002904A publication Critical patent/GB2002904A/en
Application granted granted Critical
Publication of GB2002904B publication Critical patent/GB2002904B/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15C—FLUID-CIRCUIT ELEMENTS PREDOMINANTLY USED FOR COMPUTING OR CONTROL PURPOSES
    • F15C1/00—Circuit elements having no moving parts
    • F15C1/16—Vortex devices, i.e. devices in which use is made of the pressure drop associated with vortex motion in a fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15C—FLUID-CIRCUIT ELEMENTS PREDOMINANTLY USED FOR COMPUTING OR CONTROL PURPOSES
    • F15C1/00—Circuit elements having no moving parts
    • F15C1/22—Oscillators

Abstract

The invention relates to a flow meter of a fluidic oscillator type which has its principal use when measuring the ventilation of a moving human being or animal. The flow meter has an inlet, two outlet ducts and two control inlets connected by a circular control duct, one on each side of the connection between the inlet and outlet ducts. All the ducts are co-planar and the inlet is wedge shaped. The oscillations caused by the flow through the meter are detected by an ultrasonic transmitter and receiver placed at the endpoints of the control duct. The design of the flow meter enables it to be made small, light and portable and also ensures that the pressure drop in it is minimal. <IMAGE>
GB7833694A 1977-08-19 1978-08-17 Flowmeter Expired GB2002904B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7709338A SE407461B (en) 1977-08-19 1977-08-19 FLUIDISTOROSCILLATOR TYPES

Publications (2)

Publication Number Publication Date
GB2002904A true GB2002904A (en) 1979-02-28
GB2002904B GB2002904B (en) 1982-03-03

Family

ID=20332041

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7833694A Expired GB2002904B (en) 1977-08-19 1978-08-17 Flowmeter

Country Status (5)

Country Link
JP (1) JPS5456474A (en)
DE (1) DE2836040A1 (en)
FR (1) FR2400690A1 (en)
GB (1) GB2002904B (en)
SE (1) SE407461B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4120051A1 (en) * 1990-06-18 1992-01-02 Tokyo Gas Co Ltd FLUIDIC FLOW METER
DE4121123A1 (en) * 1990-06-27 1992-01-09 Tokyo Gas Co Ltd FLUIDIC FLOW METER
FR2721360A1 (en) * 1994-06-17 1995-12-22 Schlumberger Ind Sa Fluidic oscillator and method for measuring a volume quantity of fluid flowing in such a fluidic oscillator.
FR2730278A1 (en) * 1995-02-06 1996-08-09 Schlumberger Ind Sa METHOD FOR CONDITIONING A FLOW OF A FLUID AND CONDITIONER FOR FLOWING A FLUID

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19533814C2 (en) * 1995-09-13 1999-11-18 Iwk Regler Kompensatoren Device for ultrasonic flow measurement
FR2769957B1 (en) * 1997-10-17 2001-11-30 Schlumberger Ind Sa FLUID OSCILLATOR WITH EXTENDED SLOT

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE405415B (en) * 1970-12-22 1978-12-04 Fluid Inventor Ab FLOW METER
GB1453587A (en) * 1973-04-05 1976-10-27 Atomic Energy Authority Uk Flowmeters
US3855859A (en) * 1973-08-20 1974-12-24 Moore Prod Co Flowmeter
DE2433764A1 (en) * 1974-07-13 1976-01-22 Monforts Fa A DEVICE FOR DETERMINING THE MIXING RATIO OF BINARY GASES
CH620136A5 (en) * 1974-09-30 1980-11-14 Bowles Fluidics Corp Method for oscillating a fluid stream and apparatus for carrying out the method

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4120051A1 (en) * 1990-06-18 1992-01-02 Tokyo Gas Co Ltd FLUIDIC FLOW METER
GB2246631A (en) * 1990-06-18 1992-02-05 Tokyo Gas Co Ltd Fluid flowmeter
GB2246631B (en) * 1990-06-18 1994-07-06 Tokyo Gas Co Ltd Fluid flowmeter
DE4121123A1 (en) * 1990-06-27 1992-01-09 Tokyo Gas Co Ltd FLUIDIC FLOW METER
FR2721360A1 (en) * 1994-06-17 1995-12-22 Schlumberger Ind Sa Fluidic oscillator and method for measuring a volume quantity of fluid flowing in such a fluidic oscillator.
WO1995035448A1 (en) * 1994-06-17 1995-12-28 Schlumberger Industries S.A. Fluidic oscillator and method for measuring the volume of a fluid flowing therethrough
AU703888B2 (en) * 1994-06-17 1999-04-01 Schlumberger Industries S.A. A fluidic oscillator and a method of measuring a volume- related quantity of fluid flowing through such a fluidic oscillator
FR2730278A1 (en) * 1995-02-06 1996-08-09 Schlumberger Ind Sa METHOD FOR CONDITIONING A FLOW OF A FLUID AND CONDITIONER FOR FLOWING A FLUID
WO1996024774A1 (en) * 1995-02-06 1996-08-15 Schlumberger Industries S.A. Fluid flow conditioning method and fluid flow conditioner

Also Published As

Publication number Publication date
SE7709338L (en) 1979-02-20
JPS5456474A (en) 1979-05-07
JPS6229728B2 (en) 1987-06-27
FR2400690B1 (en) 1983-12-23
DE2836040C2 (en) 1987-08-06
SE407461B (en) 1979-03-26
DE2836040A1 (en) 1979-03-01
FR2400690A1 (en) 1979-03-16
GB2002904B (en) 1982-03-03

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Legal Events

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