FR2426889B1 - - Google Patents

Info

Publication number
FR2426889B1
FR2426889B1 FR7913183A FR7913183A FR2426889B1 FR 2426889 B1 FR2426889 B1 FR 2426889B1 FR 7913183 A FR7913183 A FR 7913183A FR 7913183 A FR7913183 A FR 7913183A FR 2426889 B1 FR2426889 B1 FR 2426889B1
Authority
FR
France
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
FR7913183A
Other versions
FR2426889A1 (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.)
Sperry Corp
Original Assignee
Sperry Corp
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 Sperry Corp filed Critical Sperry Corp
Publication of FR2426889A1 publication Critical patent/FR2426889A1/fr
Application granted granted Critical
Publication of FR2426889B1 publication Critical patent/FR2426889B1/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
    • G01F1/20—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 detection of dynamic effects of the flow
    • G01F1/22—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 detection of dynamic effects of the flow by variable-area meters, e.g. rotameters
    • G01F1/24—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 detection of dynamic effects of the flow by variable-area meters, e.g. rotameters with magnetic or electric coupling to the indicating device
    • 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
    • G01F1/363—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 with electrical or electro-mechanical indication
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Fluid Pressure (AREA)
  • Sliding Valves (AREA)
  • Flow Control (AREA)
  • Measuring Volume Flow (AREA)
FR7913183A 1978-05-26 1979-05-23 Capteur de debit de fluide hydraulique, notamment pour la commande de verins hydrauliques Granted FR2426889A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2332478 1978-05-26

Publications (2)

Publication Number Publication Date
FR2426889A1 FR2426889A1 (fr) 1979-12-21
FR2426889B1 true FR2426889B1 (fr) 1984-02-03

Family

ID=10193774

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7913183A Granted FR2426889A1 (fr) 1978-05-26 1979-05-23 Capteur de debit de fluide hydraulique, notamment pour la commande de verins hydrauliques

Country Status (5)

Country Link
US (1) US4235105A (fr)
JP (1) JPS55496A (fr)
DE (1) DE2919192A1 (fr)
FR (1) FR2426889A1 (fr)
IT (1) IT1162320B (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA828528B (en) * 1981-12-09 1983-09-28 Sperry Corp Flow sensor with extended low flow range
GB8305926D0 (en) * 1983-03-03 1983-04-07 Fluid Devices Ltd Fluid flow sensors
US4528858A (en) * 1984-05-09 1985-07-16 John Dimeff Flow meter
US4619139A (en) * 1984-07-23 1986-10-28 Universal Flow Monitors, Inc. Flow meter with displaceable flow rate indicator
US4827774A (en) * 1985-07-15 1989-05-09 Pall Corporation Flow sensing device
EP0244976A1 (fr) * 1986-04-21 1987-11-11 Vickers Systems Limited Capteur de débit
GB8712851D0 (en) * 1987-06-02 1987-07-08 Fluid Devices Ltd Transducer for fluid flow
US4993269A (en) * 1988-12-16 1991-02-19 Bird Products Corporation Variable orifice flow sensing apparatus
EP0427102B1 (fr) * 1989-11-06 1994-07-27 Beringer-Hydraulik AG Débitmètre pour mesurer le débit dans un conduit
EP1205203B1 (fr) * 1994-10-14 2004-09-29 Bird Products Corporation Soupape d'expiration avec un capteur de débit expiratoire
US6135967A (en) * 1999-04-26 2000-10-24 Fiorenza; Anthony Joseph Respiratory ventilator with automatic flow calibration
US6240919B1 (en) 1999-06-07 2001-06-05 Macdonald John J. Method for providing respiratory airway support pressure
DE102009007652B4 (de) * 2009-02-03 2011-07-28 Honsberg Instruments GmbH, 42897 Gerät zur Messung und/oder Überwachung der Strömung eines Mediums, insbesondere eines flüssigen Mediums
US20210325223A1 (en) * 2020-04-17 2021-10-21 Illinois Tool Works Inc. Flow through pressure sensor

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2941401A (en) * 1956-10-15 1960-06-21 Dole Valve Co Adjustable flow meter
US3252324A (en) * 1963-08-29 1966-05-24 Nat Instr Lab Inc Mass flowmeter
GB1579130A (en) * 1976-08-16 1980-11-12 Secretary Industry Brit Flowrate meters

Also Published As

Publication number Publication date
IT7949168A0 (it) 1979-05-24
IT1162320B (it) 1987-03-25
DE2919192A1 (de) 1979-11-29
JPS55496A (en) 1980-01-05
FR2426889A1 (fr) 1979-12-21
US4235105A (en) 1980-11-25

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Legal Events

Date Code Title Description
CD Change of name or company name
ST Notification of lapse