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.
Patent No.:
Date of Patent:
May. 06, 2025
Filed:
Mar. 08, 2024
Kabushiki Kaisha Toyota Jidoshokki, Kariya, JP;
Shun Ito, Kariya, JP;
Yoshiki Nagata, Kariya, JP;
Takashi Kawashima, Kariya, JP;
Hiroshi Fukasaku, Kariya, JP;
Shunsuke Ambo, Kariya, JP;
Kazuhiro Shiraishi, Kariya, JP;
KABUSHIKI KAISHA TOYOTA JIDOSHOKKI, Kariya, JP;
Abstract
A noise reducing unit includes a common mode choke coil and a first damping portion that is made of a nonmagnetic material. The common mode choke coil includes an annular core, a first winding wound around the core, and a second winding wound around the core and spaced apart from the first winding. The first damping portion surrounds the first winding and the second winding. The first damping portion is configured such that an induced current flows in the first damping portion to generate magnetic flux that resists changes in leakage flux leaking from the core. The noise reducing unit further includes a second damping portion that is made of a magnetic material. The second damping portion is disposed on an opposite side of the first damping portion from the common mode choke coil.