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BrEATHE SIGNED

high capacity planet BEAring Technology for High Efficiency gearbox

Total Cost €

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EC-Contrib. €

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Partnership

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Project "BrEATHE" data sheet

The following table provides information about the project.

Coordinator
SKF AEROSPACE FRANCE 

Organization address
address: 34 AVENUE DES TROIS PEUPLES
city: MONTIGNY LE BRETONNEUX
postcode: 78180
website: http://www.skf-aerospace.fr/en/

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country France [FR]
 Total cost 998˙918 €
 EC max contribution 998˙918 € (100%)
 Programme 1. H2020-EU.3.4.5.5. (ITD Engines)
 Code Call H2020-CS2-CFP07-2017-02
 Funding Scheme CS2-RIA
 Starting year 2019
 Duration (year-month-day) from 2019-01-01   to  2022-04-30

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    SKF AEROSPACE FRANCE FR (MONTIGNY LE BRETONNEUX) coordinator 378˙450.00
2    SKF AEROENGINE FRANCE FR (MONTIGNY LE BRETONNEUX) participant 620˙467.00

Map

 Project objective

The Ultra High By-pass Ratio (UHBR) engine provides environmental benefits through a high power gearbox decoupling fan and turbine speeds. To implement such engine different technological issues raise: the increase of the i) rotational speed, ii) harsh lubrication conditions and iii) power density. The design of the rolling bearing, crucial component, can affect the gearbox and engine efficiency, performance and reliability. The aim of BrEATHE is to develop, design, model and test a rolling bearing to be mounted in a high power gearbox, including investigation for new high loaded materials, development of models to predicts bearing behavior, producing samples and test them in dedicated test bench. Specific project objectives are: - To define the geometry and perform the design of the bearing. To predict heat generation and transfer in the planet bearing through interactions between dynamic and thermal behaviours. - To demonstrate a -30% in power loss & oil flow and a 15% increase in rolling contact stress capability in comparison to the current baseline solutions and without any detrimental effect on reliability. - To assess the benefits of different process technologies and materials in reaching the efficiency and stress capability required by the gearbox and engine architecture. Including design optimization, comparison of different case hardened steel grade coupled with ceramic rolling elements. - To produce a sufficient number of bearings to sustain the test plan based on a dedicated test bench.

To demonstrate their enhanced performances, the BrEATHE new bearing technologies will firstly assessed through modelling and then testes in full-scale testing, with full duty cycle representing the real flight spectrum. The gained theoretical knowledge will enable the transfer and exploitation of projects results to the industrial field by providing analysis tools and new design rules.

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The information about "BREATHE" are provided by the European Opendata Portal: CORDIS opendata.

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