Title:
TRIPLE-FLOW AXIAL TURBOMACHINE COMPRISING A DIVERGING HEAT EXCHANGER IN THE THIRD FLOW
Document Type and Number:
WIPO Patent Application WO/2023/099533
Kind Code:
A1
Abstract:
Axial turbomachine, comprising: a first splitter nose which can split an incoming air flow into a radially inner air flow and a radially outer air flow, referred to as the secondary flow; a second splitter nose which can split the radially inner air flow into a primary flow and a tertiary flow (F3), the tertiary flow being in a tertiary flow channel (16) radially external to the primary flow and delimited by an inner wall (13) and an outer wall (11); and a heat exchanger (18) of the air-oil type, disposed in the tertiary flow channel. The turbomachine is characterised in that the heat exchanger comprises several angular sectors (38), each angular sector comprising an oil inlet (48) on the inner wall at an angular end of said sector, and an oil outlet (50) on the inner wall at an opposite angular end of said sector.
Inventors:
WEICKER DAVID (BE)
CLEYET FLORIAN (BE)
SERVAIS BRUNO (BE)
CLEYET FLORIAN (BE)
SERVAIS BRUNO (BE)
Application Number:
PCT/EP2022/083790
Publication Date:
June 08, 2023
Filing Date:
November 30, 2022
Export Citation:
Assignee:
SAFRAN AERO BOOSTERS SA (BE)
International Classes:
F02C3/06; F02C7/14; F02C7/18; F02K3/06; F02K3/077; F28D7/00; F28D7/08; F28D21/00; F28F7/02; F28F13/08
Domestic Patent References:
| WO2020183104A1 | 2020-09-17 |
Foreign References:
| US20210108597A1 | 2021-04-15 | |||
| US10907500B2 | 2021-02-02 | |||
| EP3892949A2 | 2021-10-13 | |||
| US10502502B2 | 2019-12-10 | |||
| DE102017121121A1 | 2019-03-14 | |||
| US4151710A | 1979-05-01 | |||
| EP3674531A1 | 2020-07-01 | |||
| US20210108597A1 | 2021-04-15 |
Attorney, Agent or Firm:
LECOMTE & PARTNERS (LU)
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