Title:
点火コイル
Document Type and Number:
Japanese Patent JP7072983
Kind Code:
B2
Abstract:
To eliminate damage to versatility of a different diameter core, a disadvantage of poor available percentage at the time of manufacturing and an increased cost of a different diameter core upon making one different diameter core when the different diameter core having a different diameter is inserted into a central part arranged at a central part of a bobbin.SOLUTION: An end part of a hollow part is opened to the outside, a large diameter part that is larger than an inner diameter at a small diameter part set at a central part is formed on at least one of the opened ends, the small diameter core fitted into the small diameter part and a large diameter core fitted into the large diameter part are separately manufactured and inserted into each of the hollow parts, and each of the cores is held to be contacted in the hollow part.SELECTED DRAWING: Figure 1
Inventors:
Hiroyuki Matsutani
Application Number:
JP2018078552A
Publication Date:
May 23, 2022
Filing Date:
April 16, 2018
Export Citation:
Assignee:
RB Controls Co., Ltd.
International Classes:
F23Q3/00; H01F38/12
Domestic Patent References:
| JP2006108391A | ||||
| JP3167808A |
Attorney, Agent or Firm:
Landing Yoji