The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 29, 2022

Filed:

Sep. 15, 2020
Applicant:

Tdk Corporation, Tokyo, JP;

Inventor:

Mitsunari Suzuki, Tokyo, JP;

Assignee:

TDK CORPORATION, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 38/14 (2006.01); H01F 27/02 (2006.01); H02J 50/12 (2016.01);
U.S. Cl.
CPC ...
H01F 38/14 (2013.01); H01F 27/025 (2013.01); H02J 50/12 (2016.02);
Abstract

There is provided a coil unit capable of decreasing an installation area while inhibiting transfer of heat to a capacitor. The coil unit includes: a coil made of a conductor in a spiral shape at least around a first axis; a capacitor module configured to include a substrate in which one or more capacitors are installed and be disposed to be separate from the coil in an axial direction of the first axis; a casing configured to have the coil and the capacitor module disposed inside; and a first resin configured to thermally connect at least a part of the coil and at least a part of the casing, wherein the first resin is separate from the capacitors and the substrate.


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