GB1303994A - - Google Patents

Info

Publication number
GB1303994A
GB1303994A GB1303994DA GB1303994A GB 1303994 A GB1303994 A GB 1303994A GB 1303994D A GB1303994D A GB 1303994DA GB 1303994 A GB1303994 A GB 1303994A
Authority
GB
United Kingdom
Prior art keywords
displacement
magnet
measured
shaft
measuring
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
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 filed Critical
Publication of GB1303994A publication Critical patent/GB1303994A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)

Abstract

1303994 Measuring shaft displacements electrically ENGLISH ELECTRIC CO Ltd 17 April 1970 [1 April 1969 22 Aug 1969 9 Dec 1969] 17660/70, 17659/70 and 17658/70 Heading G1N Apparatus for measuring shaft displacement is as described in Specification 1303993 but the claims are for a method of measuring relative displacement in a certain direction of the shaft relative to a supporting frame, by means of at least one magnet 12 mounted for rotation with the shafts and loops of wire 13 mounted on the frame and shaped to provide at least one first and at least one second reference line passed by the magnet during rotation of the shaft and such that the intervals between the magnet passing the first and second reference lines is dependent upon the displacement to be measured, which intervals are measured by a bistable circuit which is set to its first and second states by the passage of the magnet past respective lines so that the mark/space ratio of the bistable circuit is proportional to the displacement to be measured.
GB1303994D 1969-04-01 1969-04-01 Expired GB1303994A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1766070 1969-04-01

Publications (1)

Publication Number Publication Date
GB1303994A true GB1303994A (en) 1973-01-24

Family

ID=10099019

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1303994D Expired GB1303994A (en) 1969-04-01 1969-04-01

Country Status (1)

Country Link
GB (1) GB1303994A (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2810787A1 (en) * 1977-03-14 1978-09-21 Sca Development Ab Device measuring axial displacement between wood pulp grinding rotors - has sensors scanning marks on periphery with output signal indicating displacement
FR2588076A1 (en) * 1985-10-02 1987-04-03 Rolls Royce DEVICE FOR MEASURING THE AXIAL MOVEMENT OF A ROTATING ELEMENT
GB2202949A (en) * 1987-03-24 1988-10-05 Schlumberger Electronics Monitoring axial movement of a rotating shaft
GB2221306A (en) * 1988-07-29 1990-01-31 Dowty Rotol Ltd Assembly for determining the longitudinal displacement of a rotating shaft
US5456123A (en) * 1994-01-26 1995-10-10 Simmonds Precision Products, Inc. Static torque measurement for rotatable shaft
US5508609A (en) * 1993-06-30 1996-04-16 Simmonds Precision Product Inc. Monitoring apparatus for detecting axial position and axial alignment of a rotating shaft
DE102007032972A1 (en) * 2007-07-16 2009-01-29 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Measuring device for transmission of e.g. motor vehicle, has elements for supplying signals that correlate with displacement of shaft in sections, which are perpendicular to axial displacement of shaft
US8692543B2 (en) 2009-05-13 2014-04-08 Industria De Turbo Propulsores, S.A. Axis axial position measurement system
EP3284665A1 (en) * 2016-08-17 2018-02-21 Pratt & Whitney Canada Corp. System and method for electronic propeller blade angle position feedback with angled pairs of teeth
RU2671924C2 (en) * 2013-12-23 2018-11-07 Сафран Хеликоптер Энджинз Turbomachine assembly for measuring vibrations acting on a blade during rotation

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2810787A1 (en) * 1977-03-14 1978-09-21 Sca Development Ab Device measuring axial displacement between wood pulp grinding rotors - has sensors scanning marks on periphery with output signal indicating displacement
GB2181246B (en) * 1985-10-02 1989-09-27 Rolls Royce Apparatus for measuring axial movement of a rotating member
FR2588076A1 (en) * 1985-10-02 1987-04-03 Rolls Royce DEVICE FOR MEASURING THE AXIAL MOVEMENT OF A ROTATING ELEMENT
GB2181246A (en) * 1985-10-02 1987-04-15 Rolls Royce Apparatus for measuring axial movement of a rotating member
US4737709A (en) * 1985-10-02 1988-04-12 Rolls-Royce Plc Apparatus for measuring axial movement of a rotating member
GB2202949B (en) * 1987-03-24 1990-11-21 Schlumberger Electronics Shaft monitoring systems
US4833405A (en) * 1987-03-24 1989-05-23 Schlumberger Electronics (Uk) Limited Shaft failure monitoring system using angled rotating teeth and phase detection
GB2202949A (en) * 1987-03-24 1988-10-05 Schlumberger Electronics Monitoring axial movement of a rotating shaft
GB2221306A (en) * 1988-07-29 1990-01-31 Dowty Rotol Ltd Assembly for determining the longitudinal displacement of a rotating shaft
US5508609A (en) * 1993-06-30 1996-04-16 Simmonds Precision Product Inc. Monitoring apparatus for detecting axial position and axial alignment of a rotating shaft
US5456123A (en) * 1994-01-26 1995-10-10 Simmonds Precision Products, Inc. Static torque measurement for rotatable shaft
DE102007032972A1 (en) * 2007-07-16 2009-01-29 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Measuring device for transmission of e.g. motor vehicle, has elements for supplying signals that correlate with displacement of shaft in sections, which are perpendicular to axial displacement of shaft
DE102007032972B4 (en) * 2007-07-16 2015-08-06 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Measuring device and method for detecting an axial displacement of a shaft
US8692543B2 (en) 2009-05-13 2014-04-08 Industria De Turbo Propulsores, S.A. Axis axial position measurement system
RU2671924C2 (en) * 2013-12-23 2018-11-07 Сафран Хеликоптер Энджинз Turbomachine assembly for measuring vibrations acting on a blade during rotation
EP3284665A1 (en) * 2016-08-17 2018-02-21 Pratt & Whitney Canada Corp. System and method for electronic propeller blade angle position feedback with angled pairs of teeth
US10435140B2 (en) 2016-08-17 2019-10-08 Pratt & Whitney Canada Corp. System and method for electronic propeller blade angle position feedback with angled pairs of teeth

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees