Title:
ON-VEHICLE ELECTRIC COMPRESSOR
Document Type and Number:
Japanese Patent JP2021052519
Kind Code:
A
Abstract:
To provide an on-vehicle electric compressor having a filter circuit with excellent heat dissipation and damping effects.SOLUTION: A noise reduction unit includes a common mode choke coil 34 and an X capacitor. The common-mode choke coil 34 includes an annular core 50 having an inner through-hole 50a, a first winding 60, a second winding 61, and a metal thin film 70. The core 50 is shaped to have symmetry with respect to each of a plurality of symmetry axes Axs1, Axs2 of different lengths when the through-hole 50a is viewed from the front. The first winding 60 is located on one side with respect to any one of the plurality of symmetry axes Axs1, Axs2, and the second winding 61 is located on the other side, and the first winding 60 and the second winding 61 are spaced apart. The core 50 has exposed portions 53, 54 that are not covered by the metal thin film 70.SELECTED DRAWING: Figure 3
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Inventors:
FUKASAKU HIROSHI
NAGATA YOSHIKI
KAWASHIMA TAKASHI
AMPO SHUNSUKE
KAIDA JUNYA
NAGATA YOSHIKI
KAWASHIMA TAKASHI
AMPO SHUNSUKE
KAIDA JUNYA
Application Number:
JP2019174304A
Publication Date:
April 01, 2021
Filing Date:
September 25, 2019
Export Citation:
Assignee:
TOYOTA IND CORP
International Classes:
H02M7/48; F04B39/00; H01F17/06; H01F37/00
Domestic Patent References:
| JP2017184328A | 2017-10-05 | |||
| JP2018018865A | 2018-02-01 | |||
| JP2018112148A | 2018-07-19 | |||
| JP2018207784A | 2018-12-27 | |||
| JP2008192781A | 2008-08-21 | |||
| JP2012059754A | 2012-03-22 | |||
| JP2017191925A | 2017-10-19 | |||
| JPS61256708A | 1986-11-14 |
Attorney, Agent or Firm:
Makoto Onda
Hironobu Onda
Hironobu Onda