SE9503690L - Förfarande och anordning för att bestämma vinkelhastigheten hos en roterande cylindrisk axel av elektriskt ledande meterial - Google Patents

Förfarande och anordning för att bestämma vinkelhastigheten hos en roterande cylindrisk axel av elektriskt ledande meterial

Info

Publication number
SE9503690L
SE9503690L SE9503690A SE9503690A SE9503690L SE 9503690 L SE9503690 L SE 9503690L SE 9503690 A SE9503690 A SE 9503690A SE 9503690 A SE9503690 A SE 9503690A SE 9503690 L SE9503690 L SE 9503690L
Authority
SE
Sweden
Prior art keywords
shaft
angular velocity
magnetic field
determining
electrically conductive
Prior art date
Application number
SE9503690A
Other languages
English (en)
Swedish (sv)
Other versions
SE9503690D0 (sv
Inventor
Johan Hamberg
Original Assignee
Asea Brown Boveri
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 Asea Brown Boveri filed Critical Asea Brown Boveri
Priority to SE9503690A priority Critical patent/SE9503690L/
Publication of SE9503690D0 publication Critical patent/SE9503690D0/xx
Priority to EP96935652A priority patent/EP0888555A1/en
Priority to PCT/SE1996/001167 priority patent/WO1997014968A1/en
Priority to JP9515732A priority patent/JPH11513800A/ja
Publication of SE9503690L publication Critical patent/SE9503690L/

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/49—Devices characterised by the use of electric or magnetic means for measuring angular speed using eddy currents
    • G01P3/495—Devices characterised by the use of electric or magnetic means for measuring angular speed using eddy currents where the indicating means responds to forces produced by the eddy currents and the generating magnetic field
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
    • G01P15/003—Kinematic accelerometers, i.e. measuring acceleration in relation to an external reference frame, e.g. Ferratis accelerometers
SE9503690A 1995-10-20 1995-10-20 Förfarande och anordning för att bestämma vinkelhastigheten hos en roterande cylindrisk axel av elektriskt ledande meterial SE9503690L (sv)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SE9503690A SE9503690L (sv) 1995-10-20 1995-10-20 Förfarande och anordning för att bestämma vinkelhastigheten hos en roterande cylindrisk axel av elektriskt ledande meterial
EP96935652A EP0888555A1 (en) 1995-10-20 1996-09-20 A method and a device for determining the angular velocity of a rotating cylindrical shaft of electrically conductive material
PCT/SE1996/001167 WO1997014968A1 (en) 1995-10-20 1996-09-20 A method and a device for determining the angular velocity of a rotating cylindrical shaft of electrically conductive material
JP9515732A JPH11513800A (ja) 1995-10-20 1996-09-20 導電材料でなる回転する円筒状軸の角速度を測定するための方法及び装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9503690A SE9503690L (sv) 1995-10-20 1995-10-20 Förfarande och anordning för att bestämma vinkelhastigheten hos en roterande cylindrisk axel av elektriskt ledande meterial

Publications (2)

Publication Number Publication Date
SE9503690D0 SE9503690D0 (sv) 1995-10-20
SE9503690L true SE9503690L (sv) 1997-04-21

Family

ID=20399900

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9503690A SE9503690L (sv) 1995-10-20 1995-10-20 Förfarande och anordning för att bestämma vinkelhastigheten hos en roterande cylindrisk axel av elektriskt ledande meterial

Country Status (4)

Country Link
EP (1) EP0888555A1 ( )
JP (1) JPH11513800A ( )
SE (1) SE9503690L ( )
WO (1) WO1997014968A1 ( )

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1386172A1 (de) 2001-05-11 2004-02-04 Siemens Aktiengesellschaft Gebersystem für einen ferraris-bewegungsgeber

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1673439A1 (de) * 1967-06-19 1971-04-29 Trenkler Gerhard Dipl Ing Wirbelstromgeschwindigkeitsmesser mit Gleichfelderregung
US3932813A (en) * 1972-04-20 1976-01-13 Simmonds Precision Products, Inc. Eddy current sensor
US4441077A (en) * 1981-11-23 1984-04-03 International Business Machines Real time eddy current responsive Hall effect device tachometer
US4406168A (en) * 1982-03-30 1983-09-27 Borg-Warner Corporation System for measuring torque and/or speed of rotating shaft
US4479390A (en) * 1983-01-28 1984-10-30 Borg-Warner Corporation Transducer for measuring torque and/or speed of rotating shaft
DE3314567C1 (de) * 1983-04-22 1984-05-03 Jiri Dipl.-Ing. 5100 Aachen Sobota Aufnehmer zur Drehbeschleunigungsmessung an schnell rotierenden Wellen
US4751459A (en) * 1986-09-18 1988-06-14 Synektron Corporation Magnetic tachometer or accelerometer having highly permeable eddy current flux circuit

Also Published As

Publication number Publication date
SE9503690D0 (sv) 1995-10-20
WO1997014968A1 (en) 1997-04-24
EP0888555A1 (en) 1999-01-07
JPH11513800A (ja) 1999-11-24

Similar Documents

Publication Publication Date Title
US4416161A (en) Method and apparatus for measuring torque
US5610518A (en) Method and apparatus for detecting small magnetizable particles and flaws in nonmagnetic conductors
JPH11513797A (ja) 位置検出エンコーダー
FI812349L (fi) Foerfarande och anordning foer bestaemning av markens elektriska ledningsfoermaoga
NO980911L (no) Fremgangsmåte for å måle nukleær magnetisk resonans, samt apparat for gjennomföring av fremgangsmåten
US5670877A (en) Shaft rotation sensor with magnetic sensors angularly spaced apart with respect to a magnetic source
AU2002216205B2 (en) Measurement of stress in a ferromagnetic material
US4929897A (en) Method and apparatus for detecting cross sectional area variations in a elongate object by measuring radial magnetic flux variations using spaced-apart coils
GB980467A (en) Induced current measuring apparatus
WO2002059555A1 (en) Portable magnetic transducer
SE9503690D0 (sv) Förfarande och anordning för att bestämma vinkelhastigheten hos en roterande cylindrisk axel av elektriskt ledande meterial
US4963818A (en) Current sensor having an element made of amorphous magnetic metal
FI65501B (fi) Anordning foer indentifiering av mynt eller liknande
US3029382A (en) Electro-magnetic flaw finder
JPH07218472A (ja) 飽和磁束密度を測定する方法および装置
FI67968B (fi) Foerfarande och anordning foer identifiering av mynt eller liknande
US3513386A (en) Contact-free speed measuring instruments
US3242426A (en) Magnetic testing probe with mutually perpendicular energizing and pickup coils, the latter surrounding the former
CN205860981U (zh) 一种基于磁桥原理的铁磁材料厚度检测装置
GB1070859A (en) Apparatus for the measurement of changes in diameter of wire or tubular metal and a method for the determination of the corrosion of such metal
US3372591A (en) Flowmeter
US3488577A (en) Asymmetric orthogonal coil susceptibility meter
SU691559A1 (ru) Устройство дл определени дефектов обсадных колонн
US3302104A (en) Apparatus for the location of axial and radial discontinuities in tubing using a rotating detector inclined to the tubing axis
SU139367A1 (ru) Индикатор нул магнитного пол

Legal Events

Date Code Title Description
NAV Patent application has lapsed

Ref document number: 9503690-1