GB1366551A - Flowmeters - Google Patents

Flowmeters

Info

Publication number
GB1366551A
GB1366551A GB651572A GB651572A GB1366551A GB 1366551 A GB1366551 A GB 1366551A GB 651572 A GB651572 A GB 651572A GB 651572 A GB651572 A GB 651572A GB 1366551 A GB1366551 A GB 1366551A
Authority
GB
United Kingdom
Prior art keywords
impeller
flow
turbine member
turbine
vanes
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
GB651572A
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.)
Eldec Corp
Original Assignee
Eldec 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 Eldec Corp filed Critical Eldec Corp
Publication of GB1366551A publication Critical patent/GB1366551A/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
    • G01F1/76—Devices for measuring mass flow of a fluid or a fluent solid material
    • G01F1/78—Direct mass flowmeters
    • G01F1/80—Direct mass flowmeters operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted
    • G01F1/82—Direct mass flowmeters operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted using a driven wheel as impeller and one or more other wheels or moving elements which are angularly restrained by a resilient member, e.g. spring member as the measuring device

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
  • Check Valves (AREA)

Abstract

1366551 Rotary fluid-flow meters ELDEC CORP 11 Feb 1972 [18 Feb 1971] 6515/72 Heading F1F A fuel flowmeter comprises a turbine member 112 secured to a rotary shaft 114 which is coupled to an impeller 119 through a spring 130, liquid entering from the left rotating the turbine member by passing through angled slots 112A, Fig. 3, and then passing through straightening vanes 118 to impeller vanes 119A, the lag between the impeller and the turbine member being detected magnetically to provide a measure of the mass flow-rate, turbine member 112 having by-pass holes 112B, Fig. 3, controlled by leaf springs 115A of a valve member 115, so that at high flow-rates part of the flow is by-passed through holes 112B, and the turbine member operates at a substantially constant speed over a wide range of flow-rates. The by-pass holes may be slightly angled to partially counteract the driving force of slots 112A. Energy-recovery vanes 126 are mounted on shaft 114. Impeller 119 is supported by jewel bearings 121, 122 protected by springs 123, 124. The detection assembly comprises magnets 140, 141 and 150, 151 on the turbine and impeller, and pick-up coils 144, 153.
GB651572A 1971-02-18 1972-02-11 Flowmeters Expired GB1366551A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11649271A 1971-02-18 1971-02-18

Publications (1)

Publication Number Publication Date
GB1366551A true GB1366551A (en) 1974-09-11

Family

ID=22367478

Family Applications (2)

Application Number Title Priority Date Filing Date
GB651572A Expired GB1366551A (en) 1971-02-18 1972-02-11 Flowmeters
GB4257973A Expired GB1366552A (en) 1971-02-18 1972-02-11 Fuel flow transmitters

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB4257973A Expired GB1366552A (en) 1971-02-18 1972-02-11 Fuel flow transmitters

Country Status (3)

Country Link
JP (1) JPS5336339B1 (en)
FR (1) FR2125318B1 (en)
GB (2) GB1366551A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2390691A (en) * 2002-07-11 2004-01-14 Rolls Royce Plc A fuel mass flow-meter for an aircraft engine
US8353221B2 (en) 2011-01-20 2013-01-15 Meggit S.A. Mass flow meter
CN111964741A (en) * 2020-08-07 2020-11-20 四川泛华航空仪表电器有限公司 Mass flowmeter with controllable rotating speed
CN112362122A (en) * 2020-11-13 2021-02-12 四川泛华航空仪表电器有限公司 Controllable mass flow meter of rotational speed

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS566224A (en) * 1979-06-29 1981-01-22 Canon Inc Finder of camera
JPS5623903A (en) * 1979-07-31 1981-03-06 Shikatarou Yamanishi Insole for footwear

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2390691A (en) * 2002-07-11 2004-01-14 Rolls Royce Plc A fuel mass flow-meter for an aircraft engine
GB2390691B (en) * 2002-07-11 2005-11-23 Rolls Royce Plc Measurement of fuel flow
US8353221B2 (en) 2011-01-20 2013-01-15 Meggit S.A. Mass flow meter
CN111964741A (en) * 2020-08-07 2020-11-20 四川泛华航空仪表电器有限公司 Mass flowmeter with controllable rotating speed
CN112362122A (en) * 2020-11-13 2021-02-12 四川泛华航空仪表电器有限公司 Controllable mass flow meter of rotational speed

Also Published As

Publication number Publication date
FR2125318B1 (en) 1976-07-23
FR2125318A1 (en) 1972-09-29
JPS5336339B1 (en) 1978-10-02
GB1366552A (en) 1974-09-11

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years