Global Patent Index - EP 3803062 A1

EP 3803062 A1 20210414 - DEVICE FOR COOLING A TURBOMACHINE HOUSING

Title (en)

DEVICE FOR COOLING A TURBOMACHINE HOUSING

Title (de)

VORRICHTUNG ZUR KÜHLUNG DES GEHÄUSES EINER TURBOMASCHINE

Title (fr)

DISPOSITIF DE REFROIDISSEMENT D'UN CARTER DE TURBOMACHINE

Publication

EP 3803062 A1 20210414 (FR)

Application

EP 19742079 A 20190528

Priority

  • FR 1854643 A 20180530
  • FR 2019051258 W 20190528

Abstract (en)

[origin: WO2019229377A1] The invention relates to a device (21) for cooling an annular housing (18) of a turbomachine, comprising a collector box (22) designed to extend circumferentially around the axis of the housing (18), at least two cooling tubes (23) extending circumferentially and connected to the internal volume of the box (22), the box (22) and/or each tube (23) comprising ejection orifices opening radially toward the housing (18), characterized in that connection portions of the tubes (23) which are formed in a single piece with the box (22) extend circumferentially projecting outward from the box (22), forming between them at least one hollow area (29) of the box which allows air to pass radially from the interior toward the exterior of the box (22).

IPC 8 full level

F01D 11/24 (2006.01); F28F 9/00 (2006.01)

CPC (source: EP US)

F01D 11/24 (2013.01 - EP US); F01D 25/12 (2013.01 - US); F01D 25/14 (2013.01 - US); F02C 7/18 (2013.01 - US); F05D 2230/53 (2013.01 - EP); F05D 2260/20 (2013.01 - US); F05D 2260/201 (2013.01 - EP); F05D 2260/60 (2013.01 - EP); F05D 2260/941 (2013.01 - EP); F28D 2021/0026 (2013.01 - EP)

Citation (search report)

See references of WO 2019229377A1

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 2019229377 A1 20191205; BR 112020023648 A2 20210217; CA 3099889 A1 20191205; CN 112236579 A 20210115; CN 112236579 B 20230530; EP 3803062 A1 20210414; FR 3081927 A1 20191206; FR 3081927 B1 20201120; JP 2021526193 A 20210930; US 11428111 B2 20220830; US 2021222581 A1 20210722

DOCDB simple family (application)

FR 2019051258 W 20190528; BR 112020023648 A 20190528; CA 3099889 A 20190528; CN 201980035315 A 20190528; EP 19742079 A 20190528; FR 1854643 A 20180530; JP 2020566587 A 20190528; US 201917059738 A 20190528