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.:
Date of Patent:
Mar. 18, 2025
Filed:
May. 19, 2020
Hyundai Electric & Energy Systems Co., Ltd., Seoul, KR;
Nowak Dariusz, Zurich, CH;
Bosnjak Bruno, Zurich, CH;
Holaus Walter, Zurich, CH;
Walker Jonas, Zurich, CH;
Hyundai Electric & Energy Systems Co., Ltd., Seoul, KR;
Abstract
A soundproofing transformer includes a tank; a winding portion and a core portion provided inside the tank; an insulating fluid provided inside the tank; a reinforcing member provided outside of the tank; a cavity having a resonance space and connected to the reinforcing member by a coupling member; a partition member stacked on the cavity, and having an acoustic absorption portion; a noise inlet member having a first inlet facing the tank, connected to the resonance, and configured to transmit noise introduced from the first inlet to the resonance space; and a noise reduction panel connected to at least one of the partition member and the noise inlet member, and having a second inlet provided to communicate with the acoustic absorption portion while facing the tank.