Title:
COIL UNIT
Document Type and Number:
Japanese Patent JP2022145305
Kind Code:
A
Abstract:
To provide a coil unit that can absorb linear expansion shrinkage difference between a case body and a cover member, and improve waterproof performance.SOLUTION: A coil unit includes a coil 2 formed spirally, a wiring board 9 to which the coil is connected, a case body including a first housing space S1 that houses the coil and the wiring board, and a first cover member 5 that is attached to the case body and covers the first housing space. The case body includes wall parts 4A to 4G that form the first housing space, and a concave part formed on a surface of the wall part that faces the first cover member. The first cover member includes a convex part 54 formed on a surface of the first cover member that faces the wall part, and in a state where the convex part is inserted into the concave part filled with a seal material and the seal material exists between the first cover member and the wall part, the first cover member is attached to the case body.SELECTED DRAWING: Figure 4
Inventors:
TAKAHASHI TOYOHIDE
Application Number:
JP2021046659A
Publication Date:
October 04, 2022
Filing Date:
March 19, 2021
Export Citation:
Assignee:
SHINDENGEN ELECTRIC MFG
International Classes:
H02J7/00; B60L5/00; B60L50/60; B60L53/14; B60M7/00; H01F38/14; H02J50/10; H05K5/02
Attorney, Agent or Firm:
Patent Service Corporation Taiyo International Patent Office