Patents Assigned to SMS ELOTHERM GMBH
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Patent number: 9000336Abstract: A device for hardening the surface of a workpiece, wherein an energy supply part and a working part each include a magnetic core, wherein the magnetic cores are at a small distance from each other such that electrical energy is transmitted contactlessly from the energy supply part of the inductor to the working part of the inductor, and wherein the working part includes a heating conductor branch for inductive heating of a section of the surface of the workpiece; a control instrument coupled to the inductor, wherein the control instrument displaces the working part relative to the surface to be hardened and relative to the energy supply part, and wherein the magnetic core of the working part is displaced relative to the magnetic core of the energy supply part; and an electrical energy supply connected to the energy supply part of the inductor.Type: GrantFiled: October 7, 2010Date of Patent: April 7, 2015Assignee: SMS Elotherm GmbHInventor: Stefan Dappen
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Patent number: 8835820Abstract: An inductor is provided for the simultaneous inductive heating of two tracks or ways which are formed next to one another on a metallic workpiece, having a first segment which is associated with the first track or way and a second segment which is associated with the second track or way, and having two supply arms via which the segments can be connected to a power supply. To enable two tracks or ways to be heated simultaneously to the hardening temperature without heating the material portion situated between the tracks or ways the segments of the inductor and the supply arms are connected together in an inductor in such a way that the fields travelling at right angles to the longitudinal extent of the tracks or ways neutralize each other in the region of the material portion which separates the tracks or ways from one another.Type: GrantFiled: September 9, 2010Date of Patent: September 16, 2014Assignee: SMS Elotherm GmbHInventors: Stefan Dappen, Peter Schulte, Matthias Blum, Martin Bröcking
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Publication number: 20110089164Abstract: The invention relates to a device for hardening the surface F of a cylindrical workpiece section Z which has an undercut H1, H2, the device having an inductor 2 which has a heating conductor branch 26 extending in the circumferential direction of the surface F to be hardened for inductive heating of the section Z, a control instrument 35, 36 for pressing the heating conductor branch 26 into the undercut H1, H2, and an energy supply 3 which electrically supplies the inductor 2.Type: ApplicationFiled: October 7, 2010Publication date: April 21, 2011Applicant: SMS ELOTHERM GMBHInventor: Stefan Dappen
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Publication number: 20110084062Abstract: A device is provided having at least one inductor for the inductive heating of a zone formed in a metallic workpiece, which zone is adjoined by a narrow material portion which is to be protected against heating up. To enable two tracks or ways arranged next to one another to be heated simultaneously without the portion of material situated between the tracks or ways being heated throughout to this temperature in the process, the invention provides a cooling means which delivers a cooling fluid onto that material portion of the workpiece which is to be protected against heating up. The device is particularly suitable for the simultaneous inductive heating of two tracks or ways which are formed on a workpiece next to one another and at a distance from one another and which are separated by a narrow material portion.Type: ApplicationFiled: September 9, 2010Publication date: April 14, 2011Applicant: SMS ELOTHERM GMBHInventors: Stefan Dappen, Peter Schulte, Matthias Blum, Martin Bröcking
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Publication number: 20110073590Abstract: An inductor is provided for the simultaneous inductive heating of two tracks or ways which are formed next to one another on a metallic workpiece, having a first segment which is associated with the first track or way and a second segment which is associated with the second track or way, and having two supply arms via which the segments can be connected to a power supply. To enable two tracks or ways to be heated simultaneously to the hardening temperature without heating the material portion situated between the tracks or ways the segments of the inductor and the supply arms are connected together in an inductor in such a way that the fields travelling at right angles to the longitudinal extent of the tracks or ways neutralize each other in the region of the material portion which separates the tracks or ways from one another.Type: ApplicationFiled: September 9, 2010Publication date: March 31, 2011Applicant: SMS ELOTHERM GMBHInventors: Stefan Dappen, Peter Schulte, Matthias Blum, Martin Bröcking