METHOD AND APPARATUS FOR DETECTING ELEVATOR ROPE DEGRADATION USING ELECTRICAL OR MAGNETIC ENERGY
A method and system for detecting or measuring defects in a rope having ferromagnetic tension members includes a magnetic field exciter and an array of magnetic flux sensors corresponding to the tension members in a known relationship. Measurements of magnetic flux leakage are indicative of defects....
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| Main Authors | , , , |
|---|---|
| Format | Patent |
| Language | English French |
| Published |
05.10.2000
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| Edition | 7 |
| Subjects | |
| Online Access | Get full text |
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| Abstract | A method and system for detecting or measuring defects in a rope having ferromagnetic tension members includes a magnetic field exciter and an array of magnetic flux sensors corresponding to the tension members in a known relationship. Measurements of magnetic flux leakage are indicative of defects. Another aspect of the invention includes a method and system for detecting or measuring defects in an elevator rope having electrically conductive tension members, whereby measured electrical resistance in the tension members is indicative of defects.
L'invention concerne un procédé et un système de détection ou de mesure de défauts dans un câble comportant des éléments de tension ferromagnétiques, le système comprenant une excitatrice de champ magnétique et une matrice de capteurs de flux magnétique correspondant aux éléments de tension dans une relation définie. Les mesures de fuites de flux magnétique signalent les défauts. Dans un autre aspect, la présente invention concerne un procédé et un système de détection ou de mesure de défauts dans un câble d'élévateur comportant des éléments de tension conducteurs d'électricité, la mesure de la résistance électrique des éléments de tension signalant les défauts. |
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| AbstractList | A method and system for detecting or measuring defects in a rope having ferromagnetic tension members includes a magnetic field exciter and an array of magnetic flux sensors corresponding to the tension members in a known relationship. Measurements of magnetic flux leakage are indicative of defects. Another aspect of the invention includes a method and system for detecting or measuring defects in an elevator rope having electrically conductive tension members, whereby measured electrical resistance in the tension members is indicative of defects.
L'invention concerne un procédé et un système de détection ou de mesure de défauts dans un câble comportant des éléments de tension ferromagnétiques, le système comprenant une excitatrice de champ magnétique et une matrice de capteurs de flux magnétique correspondant aux éléments de tension dans une relation définie. Les mesures de fuites de flux magnétique signalent les défauts. Dans un autre aspect, la présente invention concerne un procédé et un système de détection ou de mesure de défauts dans un câble d'élévateur comportant des éléments de tension conducteurs d'électricité, la mesure de la résistance électrique des éléments de tension signalant les défauts. |
| Author | VERONESI, WILLIAM, A GIERAS, JACK, F STUCKY, PAUL, A ROBAR, TERRY, M |
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| Discipline | Medicine Chemistry Sciences Physics |
| DocumentTitleAlternate | PROCEDE ET APPAREIL DE DETECTION DE LA DETERIORATION D'UN CABLE D'ELEVATEUR AVEC DE L'ENERGIE ELECTRIQUE OU MAGNETIQUE |
| Edition | 7 |
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| Notes | Application Number: WO2000US07279 |
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| RelatedCompanies | OTIS ELEVATOR COMPANY |
| RelatedCompanies_xml | – name: OTIS ELEVATOR COMPANY |
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| Snippet | A method and system for detecting or measuring defects in a rope having ferromagnetic tension members includes a magnetic field exciter and an array of... |
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| SubjectTerms | ELEVATORS ESCALATORS OR MOVING WALKWAYS HAULING HOISTING INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES LIFTING MEASURING PERFORMING OPERATIONS PHYSICS TESTING TRANSPORTING |
| Title | METHOD AND APPARATUS FOR DETECTING ELEVATOR ROPE DEGRADATION USING ELECTRICAL OR MAGNETIC ENERGY |
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