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:
Apr. 30, 2019

Filed:

Mar. 30, 2017
Applicant:

Kabushiki Kaisha Toyota Jidoshokki, Kariya-shi, Aichi-ken, JP;

Inventors:

Atsushi Naito, Kariya, JP;

Fumihiro Kagawa, Kariya, JP;

Yoshiki Nagata, Kariya, JP;

Shunsuke Ambo, Kariya, JP;

Keiji Yashiro, Kariya, JP;

Kazuhiro Shiraishi, Kariya, JP;

Assignee:

KABUSHIKI KAISHA TOYOTA JIDOSHOKKI, Kariya-shi, Aichi-ken, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03M 1/44 (2006.01); H02M 1/44 (2007.01); H02M 7/00 (2006.01); H02M 1/14 (2006.01); H02M 7/537 (2006.01);
U.S. Cl.
CPC ...
H02M 1/44 (2013.01); H02M 1/143 (2013.01); H02M 7/003 (2013.01); H02M 7/537 (2013.01);
Abstract

This on-vehicle power conversion apparatus is provided with: a power conversion circuit to which DC power is inputted; and a noise reduction unit that is configured to reduce common-mode noise and normal-mode noise which are included in the DC power and that is provided to the input side of the power conversion circuit. The noise reduction unit is provided with: a core having a first core part and a second core part; a common-mode chalk coil having a first winding wire wound around the first core part and a second winding wire wound around the second coil part; and a smoothing capacitor that constitutes a low-pass filter circuit cooperatively with the common-mode chalk coil. The power conversion apparatus is further provided with a damping unit provided at a position intersecting the magnetic path of a magnetic flux leakage.


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