Induction heating device
AssigneeAktiebolaget Skf
InventorsAlberto Javier Herrera Caballero, Jens Kammann
Life of this patent
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Abstract
An induction heating device having a control box, a magnetic core provided with at least one inductor fed with a current by a power electronics that is controlled by a control circuit, the power electronics and the control circuit being disposed in the control box, a removeable closing yoke for completing the magnetic circuit of the magnetic core, and a plurality of temperature sensors. A plurality of metal articles are simultaneously heated so as to each reach a target temperature and according to a heating cycle during which the temperatures sensors monitor the temperatures of the plurality of the metal articles so that each metal article is connected to a temperature sensor that is not connected to any other metal article.
Claims10
An induction heating device comprising:
- a control box,
- a magnetic core provided with at least one inductor fed with a current by a power electronics that is controlled by a control circuit, the power electronics and the control circuit being disposed in the control box,
- a removeable closing yoke for completing the magnetic circuit of the magnetic core, and
- a plurality of temperature sensors, wherein
- a plurality of metal articles are simultaneously heated so as to each reach a target temperature and according to a heating cycle during which the temperature sensors monitor the temperatures of the plurality of the metal articles so that each metal article is connected to a temperature sensor that is not connected to any other metal article.
A method to heat up several metal articles with an induction heating device, the method comprising the following steps:
- providing an induction heating device having:
- a control box, a magnetic core provided with at least one inductor fed with a current by a power electronics that is controlled by a control circuit, the power electronics and the control circuit being disposed in the control box, a removeable closing yoke for completing the magnetic circuit of the magnetic core, and a plurality of temperature sensors, wherein a plurality of metal articles are simultaneously heated so as to each reach a target temperature and according to a heating cycle during which the temperature sensors monitor the temperatures of the plurality of the metal articles so that each metal article is connected to a temperature sensor that is not connected to any other metal article, the method further comprising the steps of:
- a. placing the metal articles around one of the arms of the magnetic core or the closing yoke;
- b. connecting a unique temperature sensor to each metal article,
- c. setting for each temperature sensor the target temperature to be reached for each metal article;
- e. starting the heating cycle by a manual action consisting of pressing a button;
- f. heating up each of the several metal articles simultaneously.
Dependencies are inferred from the claim text.