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
Application
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)
Citation (examination)
JP H11283843 A 19991015 - DAIHEN CORP
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)
DOCDB simple family (application)
EP 2019083658 W 20191204; EP 19821045 A 20191204