Global Patent Index - EP 4070347 A1

EP 4070347 A1 20221012 - COOLING APPARATUS FOR AN ELECTRIC CHOKE

Title (en)

COOLING APPARATUS FOR AN ELECTRIC CHOKE

Title (de)

KÜHLUNGSVORRICHTUNG FÜR EINE ELEKTRISCHE DROSSEL

Title (fr)

DISPOSITIF DE REFROIDISSEMENT POUR BOBINE D'ARRÊT ÉLECTRIQUE

Publication

EP 4070347 A1 20221012 (DE)

Application

EP 19821045 A 20191204

Priority

EP 2019083658 W 20191204

Abstract (en)

[origin: WO2021110255A1] The invention relates to an apparatus (100) for conducting cooling air (103, 105) in order to cool an electric choke (101) which is located in a building (260) or in a hall and which has cooling lines (111) between windings of a conductor (123), the apparatus comprising: a pipe system (120) for conducting the cooling air (103, 105), which pipe system extends from at least one access region (107, 109) to the cooling lines (111) of the choke (101) to at least one wall feedthrough (113, 115) in a wall (117, 119) of the building; and an electrically conductive material (121) that is attached to the pipe system (120) and is electrically connected to the conductor (123) of the choke (101) and to the grounded wall of the building.

IPC 8 full level

H01F 27/08 (2006.01); A62C 3/16 (2006.01); E04H 5/04 (2006.01); F16L 9/12 (2006.01); F16L 25/01 (2006.01); H01F 37/00 (2006.01); H02B 1/56 (2006.01); H05K 7/20 (2006.01)

CPC (source: EP)

E04H 5/04 (2013.01); H01F 27/085 (2013.01); H01F 37/00 (2013.01); H05K 7/14339 (2022.08); H05K 7/20909 (2013.01); A62C 3/16 (2013.01); F16L 9/125 (2013.01); F16L 9/147 (2013.01); F16L 25/01 (2013.01)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

WO 2021110255 A1 20210610; EP 4070347 A1 20221012

DOCDB simple family (application)

EP 2019083658 W 20191204; EP 19821045 A 20191204