GAS TURBINE FOR A TWIN-ROTOR AIRCRAFT - SAFRAN AIRCRAFT ENGINES

Title:

GAS TURBINE FOR A TWIN-ROTOR AIRCRAFT

Document Type and Number:

WIPO Patent Application WO/2020/183074

Kind Code:

A3

Abstract:

The invention relates to a turbine comprising a first rotor (22a) and a second rotor (22b) that can turn in opposite directions and intermesh. The turbine also comprises a ring (66) to which abradable material (68) is fixed, the ring (66), which is not sectored, extending between the first mobile wheels (22aa) of the first rotor and the second rotor (22b), over a sector of between 350 and 360°, and, axially between an upstream end and a downstream end of the ring (66), the ring is retained with the second rotor (22b).

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Inventors:

SULTANA PATRICK (FR)
RENON OLIVIER (FR)
ZAMAI LAURENT (FR)
COIFFIER CLÉMENT (FR)

Application Number:

PCT/FR2020/000051

Publication Date:

November 05, 2020

Filing Date:

March 06, 2020

Export Citation:

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Assignee:

SAFRAN AIRCRAFT ENGINES (FR)

International Classes:

F02K3/06; F01D1/26; F02K3/072

Foreign References:

US20180258858A1	2018-09-13
EP0356305A1	1990-02-28
EP3015714A1	2016-05-04

Attorney, Agent or Firm:

GUTMANN, Ernest et al. (FR)

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