GB2211934B - Flowmeter - Google Patents

Flowmeter

Info

Publication number
GB2211934B
GB2211934B GB8825824A GB8825824A GB2211934B GB 2211934 B GB2211934 B GB 2211934B GB 8825824 A GB8825824 A GB 8825824A GB 8825824 A GB8825824 A GB 8825824A GB 2211934 B GB2211934 B GB 2211934B
Authority
GB
United Kingdom
Prior art keywords
flowmeter
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 - Lifetime
Application number
GB8825824A
Other versions
GB8825824D0 (en
GB2211934A (en
Inventor
William Michael Glasheen
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.)
General Electric Co
Ametek Aerospace Products Inc
Original Assignee
General Electric Co
Ametek Aerospace Products Inc
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
Priority claimed from US07/117,174 external-priority patent/US4818080A/en
Priority claimed from US07/141,369 external-priority patent/US4864869A/en
Application filed by General Electric Co, Ametek Aerospace Products Inc filed Critical General Electric Co
Publication of GB8825824D0 publication Critical patent/GB8825824D0/en
Publication of GB2211934A publication Critical patent/GB2211934A/en
Priority to GB9107224A priority Critical patent/GB2242743B/en
Application granted granted Critical
Publication of GB2211934B publication Critical patent/GB2211934B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/032—Measuring direction or magnitude of magnetic fields or magnetic flux using magneto-optic devices, e.g. Faraday or Cotton-Mouton effect
    • G01R33/0322—Measuring direction or magnitude of magnetic fields or magnetic flux using magneto-optic devices, e.g. Faraday or Cotton-Mouton effect using the Faraday or Voigt effect
    • 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
    • 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
    • G01F15/06—Indicating or recording devices
    • 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
    • G01F15/06—Indicating or recording devices
    • G01F15/065—Indicating or recording devices with transmission devices, e.g. mechanical
    • G01F15/066—Indicating or recording devices with transmission devices, e.g. mechanical involving magnetic transmission devices
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/09—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on magneto-optical elements, e.g. exhibiting Faraday effect

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Measuring Volume Flow (AREA)
GB8825824A 1987-11-05 1988-11-04 Flowmeter Expired - Lifetime GB2211934B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9107224A GB2242743B (en) 1987-11-05 1991-04-05 Faraday-effect optical switch

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/117,174 US4818080A (en) 1987-11-05 1987-11-05 Monolithic faraday optical switch
US07/141,369 US4864869A (en) 1988-01-04 1988-01-04 Flowmeter with faraday effect optical switch readout

Publications (3)

Publication Number Publication Date
GB8825824D0 GB8825824D0 (en) 1988-12-07
GB2211934A GB2211934A (en) 1989-07-12
GB2211934B true GB2211934B (en) 1992-05-06

Family

ID=26815009

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8825824A Expired - Lifetime GB2211934B (en) 1987-11-05 1988-11-04 Flowmeter

Country Status (3)

Country Link
DE (1) DE3837100A1 (en)
FR (1) FR2622969B1 (en)
GB (1) GB2211934B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0376604A3 (en) * 1988-12-27 1990-10-31 Ametek Aerospace Products, Inc. Speed sensor with magnetic field switching for actuating a magneto-optic switch means
JPH0782164B2 (en) * 1991-04-25 1995-09-06 松下電器産業株式会社 Magneto-optical element and magnetic field measuring device
FR2677130B1 (en) * 1991-05-27 1994-07-08 Merlin Gerin OPTICAL FIBER CURRENT MEASURING DEVICE.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3575052A (en) * 1969-03-17 1971-04-13 Bendix Corp Mass flowmeter
US4056976A (en) * 1976-10-12 1977-11-08 General Electric Company Mass rate of flow meter
JPS58150805A (en) * 1982-03-03 1983-09-07 Fujitsu Ltd Moving object position detector
JPS58190786A (en) * 1982-04-30 1983-11-07 Matsushita Electric Ind Co Ltd Optical fiber type magnetic field sensor

Also Published As

Publication number Publication date
GB8825824D0 (en) 1988-12-07
FR2622969A1 (en) 1989-05-12
GB2211934A (en) 1989-07-12
DE3837100A1 (en) 1989-06-08
FR2622969B1 (en) 1993-01-22

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19931104