PROCESS FOR REPLACING AN ABRADABLE ON THE FAN CASE OF A TURBOJET

L'invention propose un procédé simple et économique pour remplacer un abradable sur le carter de soufflante d'un turboréacteur. Ce procédé est remarquable en ce qu'on met en place contre l'abradable (80) une ceinture chauffante interne (100) et des secteurs de maintien (110) comp...

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Hauptverfasser: HAMEL, YANNICK, PONSEN, FRANCOIS, VERRIERES, ALAIN, LE SAINT, JACQUES
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creator HAMEL, YANNICK
PONSEN, FRANCOIS
VERRIERES, ALAIN
LE SAINT, JACQUES
description L'invention propose un procédé simple et économique pour remplacer un abradable sur le carter de soufflante d'un turboréacteur. Ce procédé est remarquable en ce qu'on met en place contre l'abradable (80) une ceinture chauffante interne (100) et des secteurs de maintien (110) comportant chacun une vessie (120) gonflable, l'abradable (80) et la couverture chauffante interne (100) étant intégralement pris en sandwich entre le carter de soufflante (60) et les vessies (120), les secteurs de maintien (110) étant eux-mêmes maintenus en place par une pluralité de brides (125) attachées au carter de soufflante (60) par les points de fixation (96). The procedure is designed for use on a turbojet engine with a rotary section that has a fan stage with a hub and series of blades at the forward end of its shaft inside an annular casing (60) with an abradable layer (80) stuck to its inner surface (70). It consists of removing the worn abradable layer, cleaning and applying adhesive (82) to the casing's inner surface, and fitting the new abradable layer against it. The inner, sealing surface (84) of the abradable layer is then fitted with a heating band (100), to which a pressure is applied by at least three supporting sectors (110) with inflatable chambers (120), the sectors being held in place by brackets (125) attached to the fan casing by fixings (96).
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The inner, sealing surface (84) of the abradable layer is then fitted with a heating band (100), to which a pressure is applied by at least three supporting sectors (110) with inflatable chambers (120), the sectors being held in place by brackets (125) attached to the fan casing by fixings (96).</description><subject>AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING</subject><subject>BLASTING</subject><subject>COMBINED OPERATIONS</subject><subject>COMBUSTION ENGINES</subject><subject>ENGINE PLANTS IN GENERAL</subject><subject>HEATING</subject><subject>HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS</subject><subject>JET-PROPULSION PLANTS</subject><subject>LIGHTING</subject><subject>MACHINE TOOLS</subject><subject>MACHINES OR ENGINES IN GENERAL</subject><subject>MECHANICAL ENGINEERING</subject><subject>METAL-WORKING NOT OTHERWISE PROVIDED FOR</subject><subject>NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES</subject><subject>OTHER WORKING OF METAL</subject><subject>PERFORMING OPERATIONS</subject><subject>SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR</subject><subject>SHAPING OR JOINING OF PLASTICS</subject><subject>STEAM ENGINES</subject><subject>TRANSPORTING</subject><subject>UNIVERSAL MACHINE TOOLS</subject><subject>WEAPONS</subject><subject>WORKING OF PLASTICS</subject><subject>WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2004</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZHAICPJ3dg0OVnDzD1IIcg3wcXT29HNXcPRTcHQKcnRxdPJxVfD3UwjxcFVwAwo6OwYD-W4KjgohoUFO_l6uITwMrGmJOcWpvFCam0HBzTXE2UM3tSA_PrW4IDE5NS-1JN7Z0cjEzNjQwsDR0JgIJQD7KSlJ</recordid><startdate>20041022</startdate><enddate>20041022</enddate><creator>HAMEL, YANNICK</creator><creator>PONSEN, FRANCOIS</creator><creator>VERRIERES, ALAIN</creator><creator>LE SAINT, JACQUES</creator><scope>EVB</scope></search><sort><creationdate>20041022</creationdate><title>PROCESS FOR REPLACING AN ABRADABLE ON THE FAN CASE OF A TURBOJET</title><author>HAMEL, YANNICK ; PONSEN, FRANCOIS ; VERRIERES, ALAIN ; LE SAINT, JACQUES</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CA2463180A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre</language><creationdate>2004</creationdate><topic>AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING</topic><topic>BLASTING</topic><topic>COMBINED OPERATIONS</topic><topic>COMBUSTION ENGINES</topic><topic>ENGINE PLANTS IN GENERAL</topic><topic>HEATING</topic><topic>HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS</topic><topic>JET-PROPULSION PLANTS</topic><topic>LIGHTING</topic><topic>MACHINE TOOLS</topic><topic>MACHINES OR ENGINES IN GENERAL</topic><topic>MECHANICAL ENGINEERING</topic><topic>METAL-WORKING NOT OTHERWISE PROVIDED FOR</topic><topic>NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES</topic><topic>OTHER WORKING OF METAL</topic><topic>PERFORMING OPERATIONS</topic><topic>SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR</topic><topic>SHAPING OR JOINING OF PLASTICS</topic><topic>STEAM ENGINES</topic><topic>TRANSPORTING</topic><topic>UNIVERSAL MACHINE TOOLS</topic><topic>WEAPONS</topic><topic>WORKING OF PLASTICS</topic><topic>WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</topic><toplevel>online_resources</toplevel><creatorcontrib>HAMEL, YANNICK</creatorcontrib><creatorcontrib>PONSEN, FRANCOIS</creatorcontrib><creatorcontrib>VERRIERES, ALAIN</creatorcontrib><creatorcontrib>LE SAINT, JACQUES</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>HAMEL, YANNICK</au><au>PONSEN, FRANCOIS</au><au>VERRIERES, ALAIN</au><au>LE SAINT, JACQUES</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>PROCESS FOR REPLACING AN ABRADABLE ON THE FAN CASE OF A TURBOJET</title><date>2004-10-22</date><risdate>2004</risdate><abstract>L'invention propose un procédé simple et économique pour remplacer un abradable sur le carter de soufflante d'un turboréacteur. 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The inner, sealing surface (84) of the abradable layer is then fitted with a heating band (100), to which a pressure is applied by at least three supporting sectors (110) with inflatable chambers (120), the sectors being held in place by brackets (125) attached to the fan casing by fixings (96).</abstract><edition>7</edition><oa>free_for_read</oa></addata></record>
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subjects AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
BLASTING
COMBINED OPERATIONS
COMBUSTION ENGINES
ENGINE PLANTS IN GENERAL
HEATING
HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
JET-PROPULSION PLANTS
LIGHTING
MACHINE TOOLS
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
METAL-WORKING NOT OTHERWISE PROVIDED FOR
NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES
OTHER WORKING OF METAL
PERFORMING OPERATIONS
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
STEAM ENGINES
TRANSPORTING
UNIVERSAL MACHINE TOOLS
WEAPONS
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
title PROCESS FOR REPLACING AN ABRADABLE ON THE FAN CASE OF A TURBOJET
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