Title:
HIGH-FREQUENCY HEATING DEVICE
Document Type and Number:
Japanese Patent JP3924719
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a high-frequency heating device without getting out of order in its rotation even when it receives partial variation of a rotating magnetic field and causing no failure even when it is cleaned up.
SOLUTION: This high-frequency heating device is provided with: a heating means; a rotating body disposed above a floor plate of a heating chamber and having at least a part formed of a metal material for mounting a heating object; a plurality of outer electromagnetic coils annularly disposed below the floor plate of the heating chamber at equal intervals; and a plurality of inner electromagnetic coils concentrically disposed inside the outer electromagnetic coils at equal intervals. The rotating magnetic fields are respectively generated by the inner and outer electromagnetic coils, and moving magnetic fields are generated from the outer electromagnetic coils toward the inner electromagnetic coils.
More Like This:
Inventors:
Fujiwara Shou
Shigeyuki Nagata
Masashi Nagata
Shigeyuki Nagata
Masashi Nagata
Application Number:
JP2002195419A
Publication Date:
June 06, 2007
Filing Date:
July 04, 2002
Export Citation:
Assignee:
Mitsubishi Electric Corporation
International Classes:
H05B6/78; F24C7/02; (IPC1-7): H05B6/78; F24C7/02
Domestic Patent References:
| JP54096847A | ||||
| JP9168474A | ||||
| JP5236610A |
Attorney, Agent or Firm:
Hisao Kobayashi
Kiyoshi Yasushima
Souji Sasaki
Noboru Omura
Takanashi Norio
Kiyoshi Yasushima
Souji Sasaki
Noboru Omura
Takanashi Norio