EP 4185765 A1 20230531 - TURBINE WITH PRESSURISED CAVITIES
Title (en)
TURBINE WITH PRESSURISED CAVITIES
Title (de)
TURBINE MIT DRUCKHOHLRÄUMEN
Title (fr)
TURBINE À CAVITÉS PRESSURISÉES
Publication
Application
Priority
- FR 2007781 A 20200723
- FR 2021051374 W 20210722
Abstract (en)
[origin: WO2022018385A1] The invention relates to a turbine (7) comprising a first rotor (25) and a second rotor (27) capable of pivoting about a longitudinal axis (X) in two opposite directions of rotation, the first rotor (25) comprising a radially outer drum (29) from which blades (26) extend radially inwards, the first rotor (25) and the second rotor (27) being surrounded by an annular stator part (31), characterised in that said annular stator part (31) delimits, with the drum (29), at least one upstream annular cavity (40) and one downstream annular cavity (42) separated from one another by sealing means (44).
IPC 8 full level
F01D 5/08 (2006.01); F01D 1/26 (2006.01); F01D 11/04 (2006.01); F01D 11/24 (2006.01); F01D 25/12 (2006.01); F01D 25/24 (2006.01); F02C 6/08 (2006.01)
CPC (source: EP US)
F01D 1/26 (2013.01 - EP US); F01D 5/08 (2013.01 - US); F01D 5/084 (2013.01 - EP); F01D 11/04 (2013.01 - EP); F01D 11/24 (2013.01 - EP); F01D 25/12 (2013.01 - EP US); F01D 25/24 (2013.01 - EP); F02C 6/08 (2013.01 - EP); F02C 7/18 (2013.01 - EP); F02K 3/06 (2013.01 - EP); F05D 2250/44 (2013.01 - EP US); Y02T 50/60 (2013.01 - EP)
Citation (search report)
See references of WO 2022018385A1
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
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
WO 2022018385 A1 20220127; CN 115885091 A 20230331; EP 4185765 A1 20230531; FR 3112811 A1 20220128; FR 3112811 B1 20220722; US 2023296023 A1 20230921
DOCDB simple family (application)
FR 2021051374 W 20210722; CN 202180050404 A 20210722; EP 21752581 A 20210722; FR 2007781 A 20200723; US 202118006536 A 20210722