GB0414912D0 - A variable area flow meter - Google Patents

A variable area flow meter

Info

Publication number
GB0414912D0
GB0414912D0 GBGB0414912.6A GB0414912A GB0414912D0 GB 0414912 D0 GB0414912 D0 GB 0414912D0 GB 0414912 A GB0414912 A GB 0414912A GB 0414912 D0 GB0414912 D0 GB 0414912D0
Authority
GB
United Kingdom
Prior art keywords
flow meter
variable area
area flow
variable
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
GBGB0414912.6A
Other versions
GB2404031A (en
GB2404031B (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.)
AES Engineering Ltd
Original Assignee
AES Engineering Ltd
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 AES Engineering Ltd filed Critical AES Engineering Ltd
Publication of GB0414912D0 publication Critical patent/GB0414912D0/en
Publication of GB2404031A publication Critical patent/GB2404031A/en
Application granted granted Critical
Publication of GB2404031B publication Critical patent/GB2404031B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • G01F1/26—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 of the valve type
GB0414912A 2003-07-02 2004-07-02 A variable area flow meter Expired - Fee Related GB2404031B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0315497.8A GB0315497D0 (en) 2003-07-02 2003-07-02 Variable area flow meter

Publications (3)

Publication Number Publication Date
GB0414912D0 true GB0414912D0 (en) 2004-08-04
GB2404031A GB2404031A (en) 2005-01-19
GB2404031B GB2404031B (en) 2008-01-30

Family

ID=27676534

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB0315497.8A Ceased GB0315497D0 (en) 2003-07-02 2003-07-02 Variable area flow meter
GB0414912A Expired - Fee Related GB2404031B (en) 2003-07-02 2004-07-02 A variable area flow meter

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB0315497.8A Ceased GB0315497D0 (en) 2003-07-02 2003-07-02 Variable area flow meter

Country Status (2)

Country Link
US (1) US20050044964A1 (en)
GB (2) GB0315497D0 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112384268A (en) * 2018-07-11 2021-02-19 生物技术公司 Drug delivery system

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE542112C2 (en) * 2017-11-14 2020-02-25 Mirola Ip Ab A flow indicator for oxygen addition to rebreathing systems
JP2021517004A (en) * 2018-02-16 2021-07-15 デバイオテック・ソシエテ・アノニム Drug delivery system status indicator
EP3527242A1 (en) * 2018-02-16 2019-08-21 Debiotech S.A. Infusion status indicator of a drug delivery device

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2052022A (en) * 1932-11-10 1936-08-25 Brown Instr Co Flow meter
US3133440A (en) * 1960-09-14 1964-05-19 Wallace & Tiernan Inc Stabilizing apparatus for floats for variable flow meters
US3408865A (en) * 1966-10-13 1968-11-05 Roy L. Chenault Fluid flow indicating meter
DE1955280B2 (en) * 1969-11-04 1972-12-14 Obstfelder, Heinz Jürgen von, 4330 Mülheim FLOW CONTROL UNIT
US4361051A (en) * 1980-11-20 1982-11-30 Defasselle Robert J Flowmeter
US4489614A (en) * 1980-11-20 1984-12-25 Defasselle Robert J Flowmeter
FI61759C (en) * 1981-07-20 1983-06-10 Safematic Ltd Oy VOLUMSTROEMSMAETARE FOER ETT STROEMMANDE MEDIUM
BE1002318A6 (en) * 1988-07-25 1990-11-27 P D Chemie N V Control device for the flow of a fluid and pump design equipped with it

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112384268A (en) * 2018-07-11 2021-02-19 生物技术公司 Drug delivery system
CN112384268B (en) * 2018-07-11 2023-03-10 生物技术公司 Drug delivery system

Also Published As

Publication number Publication date
US20050044964A1 (en) 2005-03-03
GB2404031A (en) 2005-01-19
GB0315497D0 (en) 2003-08-06
GB2404031B (en) 2008-01-30

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Legal Events

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

Effective date: 20100702