Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
INDUCTION HEATING DEVICE AND INDUCTION HEATING METHOD
Document Type and Number:
WIPO Patent Application WO/2019/194035
Kind Code:
A1
Abstract:
This induction heating device 1 is provided with a coil unit 2 as a heating unit that inductively heats a short-cylindrical workpiece W to a target temperature; and a power supply 4 that supplies high-frequency power to the coil unit 2, wherein the coil unit 2 is provided with a first coil unit 2A having an outer diameter-side coil part 5 arranged on a radial outer side of the workpiece W, and a second coil unit 2B having an inner diameter-side coil part 6 arranged on a radial inside of the workpiece W. The outer diameter-side coil part 5 and the inner diameter-side coil part 6 are electrically connected in series.

Inventors:
MANO Yoshiya (1578 Higashikaizuk, Iwata-shi Shizuoka 10, 〒4388510, JP)
SUZUKI Shintaro (1578 Higashikaizuk, Iwata-shi Shizuoka 10, 〒4388510, JP)
Application Number:
JP2019/013104
Publication Date:
October 10, 2019
Filing Date:
March 27, 2019
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
NTN CORPORATION (3-17, Kyomachibori 1-chome Nishi-ku, Osaka-sh, Osaka 03, 〒5500003, JP)
International Classes:
H05B6/10; C21D9/40; H05B6/44
Foreign References:
JP2004204262A2004-07-22
JP2016079466A2016-05-16
JP2015010260A2015-01-19
JP2017183097A2017-10-05
Attorney, Agent or Firm:
SHIROMURA Kunihiko et al. (Ehara Patent Office, 2-15 Bakurou-machi 4-chome, Chuo-ku, Osaka-sh, Osaka 59, 〒5410059, JP)
Download PDF: