Title:
ノイズ低減ユニット
Document Type and Number:
Japanese Patent JP6522052
Kind Code:
B2
Abstract:
A noise reduction unit (100) is equipped with a noise filter (10), a housing (80) which houses the noise filter, and a sealing material (90) which is charged in the housing. The noise filter is equipped with conductors (20) having respective winding portions (21) and a ring-shaped core (30) which is made of a magnetic material and is inserted through the winding portions of the conductors. In the housing, a mounting portion (83) for the ring-shaped core has recesses (84) that are recessed in a direction going away from the ring-shaped core and support portions (83b) that support the ring-shaped core so that gaps (S) are formed between the ring-shaped core and the bottom surfaces of the respective recesses. The sealing material goes into the gaps and comes into contact with both of the ring-shaped core and the bottom surfaces of the recesses in the mounting portion.
Inventors:
Hayashi Iizuka
Kazuma
Hiroshi Aihara
Kazuma
Hiroshi Aihara
Application Number:
JP2017125075A
Publication Date:
May 29, 2019
Filing Date:
June 27, 2017
Export Citation:
Assignee:
Yazaki Corporation
TOYOTA JIDOSHA KABUSHIKI KAISHA
TOYOTA JIDOSHA KABUSHIKI KAISHA
International Classes:
H01F17/06; H03H7/01
Domestic Patent References:
| JP2015050459A | ||||
| JP2017112064A | ||||
| JP60254604A | ||||
| JP2011109499A | ||||
| JP2017112323A | ||||
| JP5984918U |
Attorney, Agent or Firm:
Patent business corporation glory patent office