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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.:

US 12424911 B1

PDFFull Text
Date of Patent:
Sep. 23, 2025

Filed:

Mar. 14, 2024

Motor-driven compressor with noise reduction unit

Applicant:

Kabushiki Kaisha Toyota Jidoshokki, Kariya, JP;

Inventors:

Kazuhiro Shiraishi, Kariya, JP;

Keiji Yashiro, Kariya, JP;

Shinji Kawahara, Kariya, JP;

Assignee:

KABUSHIKI KAISHA TOYOTA JIDOSHOKKI, Kariya, JP;

Attorney:

Sughrue Mion, PLLC

Primary Examiner:

Laert Dounis

Int. Cl.
CPC ...
H02K 11/33 (2016.01); F04C 18/02 (2006.01); F25B 31/02 (2006.01); H01F 27/24 (2006.01); H01F 27/26 (2006.01); H01F 27/30 (2006.01); H01F 27/32 (2006.01); H01F 27/33 (2006.01); H01F 37/00 (2006.01); H02K 7/14 (2006.01); H02K 11/30 (2016.01); H02M 1/12 (2006.01);
U.S. Cl.
CPC ...
H02K 11/33 (2016.01); F04C 18/0215 (2013.01); F25B 31/026 (2013.01); H01F 27/24 (2013.01); H01F 27/266 (2013.01); H01F 27/30 (2013.01); H01F 27/306 (2013.01); H01F 27/324 (2013.01); H01F 27/33 (2013.01); H01F 37/00 (2013.01); H02K 7/14 (2013.01); H02K 11/30 (2016.01); H02M 1/123 (2021.05); H02M 1/126 (2013.01); F04C 2240/40 (2013.01);
Abstract

A motor-driven compressor includes a housing that accommodates an inverter device. A noise reduction unit of the inverter device includes a common mode choke coil including a looped core and two windings wound around the core, and a looped conductor surrounding the two windings. The conductor is configured so that an induced current flows in the conductor in a circumferential direction of the conductor to resist changes in a leakage magnetic flux from the core. The conductor includes a housing-side conductor portion located between the two windings and the housing. The housing-side conductor portion includes a through-hole that extends through the housing-side conductor portion in the axial direction of the core. The housing includes a projection that is inserted into the through-hole and opposed to the two windings.

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