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Patent Searching and Data


Title:
LOW-NOISE TRANSFORMER
Document Type and Number:
WIPO Patent Application WO/2020/251178
Kind Code:
A1
Abstract:
A low-noise transformer according to the present invention may comprise: an outer container; a winding part and an iron core part which are provided inside the outer container; an insulating fluid provided inside the outer container; a reinforcing member provided outside the outer container; a cavity provided with a resonance space and connected to the reinforcing member by a coupling member; a partition wall member stacked on the cavity and provided with a sound absorbing part; a noise admitting member which is provided with a first inlet facing the outer container, and which is connected to the resonance space and configured so that noise entering from the first inlet is transmitted to the resonance space; and a noise reducing panel which is connected to at least one among the partition wall member and the noise admitting member and is provided with a second inlet facing the outer container and communicating with the sound absorbing part.

Inventors:
DARIUSZ NOWAK (CH)
BRUNO BOSNJAK (CH)
WALTER HOLAUS (CH)
JONAS WALKER (CH)
Application Number:
PCT/KR2020/006525
Publication Date:
December 17, 2020
Filing Date:
May 19, 2020
Export Citation:
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Assignee:
HYUNDAI ELECTRIC & ENERGY SYSTEMS CO LTD (KR)
International Classes:
H01F27/33; H01F27/02
Foreign References:
KR20160026099A2016-03-09
KR20110055669A2011-05-25
JP2012123293A2012-06-28
KR20090033304A2009-04-02
KR20170089062A2017-08-03
Attorney, Agent or Firm:
C&S PATENT AND LAW OFFICE (KR)
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