Title:
肉厚に変動がある円筒部材及びシリンダブロックの誘導加熱焼戻装置
Document Type and Number:
Japanese Patent JP4198405
Kind Code:
B2
Abstract:
PURPOSE: To provide an induction heating tempering apparatus for a cylindrical member which has a variation in thickness such as a cylinder block. CONSTITUTION: A plurality of heating coils 110 to 410 each consisting of two pieces of circular-arcuate conductors 11 and 12 forming a prescribed gap with the inside of a cylinder and having an arc length corresponding to the thickness part C of a cylinder wall are arranged so that the circular-arcuate conductors 11 and 12 correspond to the thickness part C of the cylinder wall. The inside circumference of the cylinder is heated to a uniform temperature, and is tempered. The circular-arcuate conductors 11 and 12 are arranged at a plurality of cylinders 1, 2, 3 and 4. The heating coils 110 to 410 are connected in series or in parallel, and the insides of the plurality of cylinders are simultaneously heated and tempered.
Inventors:
Yasuharu Ogawa
Yoshimasa Tanaka
Katsumi Omiya
Yoshimasa Tanaka
Katsumi Omiya
Application Number:
JP2002205179A
Publication Date:
December 17, 2008
Filing Date:
July 15, 2002
Export Citation:
Assignee:
Neturen Co., Ltd.
International Classes:
C21D9/00; H05B6/40; C21D1/18; C21D1/42; H05B6/44
Domestic Patent References:
| JP8013037A | ||||
| JP7249484A | ||||
| JP4914308A |
Attorney, Agent or Firm:
Masato Yashima
Takao Sakurai
Takao Sakurai