System Including A Transformer

Abstract: The present disclosure relates to a system (10) including a transformer (12) which includes a tank (14) configured to receive a liquid (20). The system (10) further includes an overflow device (22) and a connection device (24) configured to fluidically connect the tank (14) and the overflow device (22). The overflow device (22) includes a flexible member (26) which is elastically deformable. The overflow device (22) is configured to periodically receive a portion of the liquid (20) from the tank (14) under deformation of the flexible member (26) and return at least a portion of the received liquid to the tank (14) through the connection device. The system (10) further includes a heat transfer device (42) configured to provide a flow (44) of a cooling medium (46) at at least a portion of the overflow device (22) and/or the connection device. The present disclosure also relates to further systems.

Patent Information

Application #

Filing Date

31 July 2025

Publication Number

33/2025

Publication Type

INA

Invention Field

ELECTRICAL

Status

Email

Parent Application

Applicants

HITACHI ENERGY LTD

Brown-Boveri-Strasse 5 8050 Zürich

Inventors

1. GRADINGER, Thomas

Birkenweg 3 5032 Aarau Rohr

2. ISLER, Stephane

25, Terrasses du Biollet 74130 Faucigny

3. GARCIA, Victor Manuel

C/Vistabella nº2, casa 43 50011 Zaragoza

4. MOGOROVIC, Marko

Rue Jean-Violette 12 1205 Geneva

5. PORCELLATO, Valter

20 C Rue Mauverney 1196 Gland, Vaud

Specification

Documents

Application Documents

#	Name	Date
1	202547072779-STATEMENT OF UNDERTAKING (FORM 3) [31-07-2025(online)].pdf	2025-07-31
2	202547072779-REQUEST FOR EXAMINATION (FORM-18) [31-07-2025(online)].pdf	2025-07-31
3	202547072779-PROOF OF RIGHT [31-07-2025(online)].pdf	2025-07-31
4	202547072779-PRIORITY DOCUMENTS [31-07-2025(online)].pdf	2025-07-31
5	202547072779-NOTIFICATION OF INT. APPLN. NO. & FILING DATE (PCT-RO-105-PCT Pamphlet) [31-07-2025(online)].pdf	2025-07-31
6	202547072779-FORM 18 [31-07-2025(online)].pdf	2025-07-31
7	202547072779-FORM 1 [31-07-2025(online)].pdf	2025-07-31
8	202547072779-DRAWINGS [31-07-2025(online)].pdf	2025-07-31
9	202547072779-DECLARATION OF INVENTORSHIP (FORM 5) [31-07-2025(online)].pdf	2025-07-31
10	202547072779-COMPLETE SPECIFICATION [31-07-2025(online)].pdf	2025-07-31
11	202547072779-Proof of Right [01-08-2025(online)].pdf	2025-08-01
12	202547072779-FORM-26 [01-08-2025(online)].pdf	2025-08-01