GB1278288A - Rotary fluid flowmeters - Google Patents

Rotary fluid flowmeters

Info

Publication number
GB1278288A
GB1278288A GB5267269A GB5267269A GB1278288A GB 1278288 A GB1278288 A GB 1278288A GB 5267269 A GB5267269 A GB 5267269A GB 5267269 A GB5267269 A GB 5267269A GB 1278288 A GB1278288 A GB 1278288A
Authority
GB
United Kingdom
Prior art keywords
vane
flow
rotor
duct
rates
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
GB5267269A
Inventor
Lothar Louis Pohl
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB1278288A publication Critical patent/GB1278288A/en
Expired 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
    • G01F1/06—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 using rotating vanes with tangential admission
    • 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
    • G01F1/06—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 using rotating vanes with tangential admission
    • G01F1/08—Adjusting, correcting or compensating means therefor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
    • G01F15/02—Compensating or correcting for variations in pressure, density or temperature
    • G01F15/028—Compensating or correcting for variations in pressure, density or temperature for low flow rates

Abstract

1278288 Rotary fluid flowmeters L L POHL 28 Oct 1969 [28 Oct 1968] 52672/69 Heading F1F. A rotary fluid flowmeter comprising a turbine rotor 8 having a shaft 16 extending transversely to the flow directions, includes a circular inlet 2 tapering smoothly into a quadrangular crosssection throat of a venturi section 6 which opens into a main duct having at its outlet end a control vane 9 which at low flow-rates closes the duct. The fluid then flows through a branch duct 10 downstream of the rotor to again flow through the rotor to augment rotor rotation in the same direction and thence through a return duct 13 to rejoin the main duct past a control vane 14 which is mechanically coupled to the control vane 9 and at this time fully open. The vane 9 is spring-loaded so that at increased flow-rates it is opened against its spring and at the same time partially closes the vane 14. Fluid flow then being partially through the main duct and partially a reverse flow past the rotor and through the return duct. At high flowrates, the vane 9 is fully open and the vane 14 fully closed with all the flow passing through the main duct. By selecting the line of inclination of a guide vane 5, the throat area of the venturi, the venturi section 6 being replaceable by another section, and the loading of the spring the meter may be calibrated to give high sensitivity and linearity over a wide range of flow-rates. The shaft 16 is supported in jewel type bearings and the rotor is coupled to drive an index counter.
GB5267269A 1968-10-28 1969-10-28 Rotary fluid flowmeters Expired GB1278288A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1607868A CH498380A (en) 1968-10-28 1968-10-28 Gas flow meter

Publications (1)

Publication Number Publication Date
GB1278288A true GB1278288A (en) 1972-06-21

Family

ID=4414281

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5267269A Expired GB1278288A (en) 1968-10-28 1969-10-28 Rotary fluid flowmeters

Country Status (4)

Country Link
CH (1) CH498380A (en)
DE (1) DE1953199C3 (en)
FR (1) FR2021733A1 (en)
GB (1) GB1278288A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106089548A (en) * 2016-04-21 2016-11-09 杜建波 A kind of decompressor of recyclable fluid energy
CN112540191A (en) * 2020-12-08 2021-03-23 中国人民解放军海军工程大学 Film stretching type micro-flow speed measuring device and method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106089548A (en) * 2016-04-21 2016-11-09 杜建波 A kind of decompressor of recyclable fluid energy
CN112540191A (en) * 2020-12-08 2021-03-23 中国人民解放军海军工程大学 Film stretching type micro-flow speed measuring device and method thereof
CN112540191B (en) * 2020-12-08 2023-02-07 中国人民解放军海军工程大学 Film stretching type micro-flow speed measuring device and method thereof

Also Published As

Publication number Publication date
DE1953199B2 (en) 1979-12-13
DE1953199A1 (en) 1971-04-29
CH498380A (en) 1970-10-31
FR2021733A1 (en) 1970-07-24
DE1953199C3 (en) 1980-08-28

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Legal Events

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