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1. WO2001060122 - INDUCTION HEAT TREATMENT OF COMPLEX-SHAPED WORKPIECES

Publication Number WO/2001/060122
Publication Date 16.08.2001
International Application No. PCT/US2001/003445
International Filing Date 02.02.2001
IPC
C21D 1/42 2006.1
CCHEMISTRY; METALLURGY
21METALLURGY OF IRON
DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING, OR OTHER TREATMENTS
1General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
34Methods of heating
42Induction heating
C21D 9/30 2006.1
CCHEMISTRY; METALLURGY
21METALLURGY OF IRON
DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING, OR OTHER TREATMENTS
9Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
30for crankshafts; for camshafts
H05B 6/02 2006.1
HELECTRICITY
05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
BELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
6Heating by electric, magnetic, or electromagnetic fields
02Induction heating
H05B 6/14 2006.1
HELECTRICITY
05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
BELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
6Heating by electric, magnetic, or electromagnetic fields
02Induction heating
10Induction heating apparatus, other than furnaces, for specific applications
14Tools, e.g. nozzles, rollers, calenders
H05B 6/40 2006.1
HELECTRICITY
05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
BELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
6Heating by electric, magnetic, or electromagnetic fields
02Induction heating
36Coil arrangements
40Establishing desired heat distribution, e.g. to heat particular parts of workpieces
CPC
C21D 1/42
CCHEMISTRY; METALLURGY
21METALLURGY OF IRON
DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
1General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
34Methods of heating
42Induction heating
C21D 2221/00
CCHEMISTRY; METALLURGY
21METALLURGY OF IRON
DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
2221Treating localised areas of an article
C21D 9/30
CCHEMISTRY; METALLURGY
21METALLURGY OF IRON
DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
9Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
30for crankshafts; for camshafts
H05B 6/40
HELECTRICITY
05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
BELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
6Heating by electric, magnetic, or electromagnetic fields
02Induction heating
36Coil arrangements
40Establishing desired heat distribution, e.g. to heat particular parts of workpieces
Y02P 10/25
YSECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
10Technologies related to metal processing
25Process efficiency
Applicants
  • INDUCTOHEAT, INC. [US]/[US] (AllExceptUS)
Inventors
  • LOVELESS, Don, L.
  • RUDNEV, Valery, I.
  • LANKFORD, Loran, A.
  • DESMIER, Glenville, C.
Agents
  • LAVORGNA, Gregory, J.
Priority Data
09/652,57031.08.2000US
60/181,51310.02.2000US
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) INDUCTION HEAT TREATMENT OF COMPLEX-SHAPED WORKPIECES
(FR) TRAITEMENT THERMIQUE PAR INDUCTION DE PIECES DE FORME COMPLEXE
Abstract
(EN) A multi-station induction heat treatment system (10) is used for heat treating metal workpieces that have multiple generally cylindrical components whose axes are parallel to and offset from a common workpiece axis. The heat treatment system (10) includes heat treatment stations (31, 32, 33) that heat treat while the workpiece and inductor components are stationary. The system (10) is particularly suited to the heat treatment of workpieces, such as crankshafts, that have an intervening non-symmetrically shaped component between two substantially cylindrically shaped components, some of which are not coaxial, that must be heat-treated.
(FR) L'invention concerne un système (10) multistation de traitement thermique par induction utilisé dans le traitement thermique de pièces métalliques possédant plusieurs composants généralement cylindriques dont les axes sont parallèles à un axe commun de la pièce et décalés de celui-ci. Ce système (10) de traitement thermique comprend des stations (31, 32, 33) de traitement thermique traitant la pièce qui, avec l'élément inducteur, reste immobile. Ce système (10) convient particulièrement au traitement thermique de pièces, telles que des vilebrequins, possédant un composant intermédiaire de forme asymétrique situé entre deux composants de forme sensiblement cylindrique, et pas nécessairement coaxiaux, destinées à subir un traitement thermique.
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