METHOD FOR CENTERING ENGINE STRUCTURES

A method for centering an engine structure such as a bearing housing is provided which may be used, for example, during assembly of a mid turbine frame or other engine case structure. In one aspect, the method includes using spacers with respective radial spokes which connect inner and outer portion...

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Bibliographische Detailangaben
Hauptverfasser:	PIETROBON, JOHN, DUROCHER, ERIC, GRIVAS, NICOLAS
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	AIR INTAKES FOR JET-PROPULSION PLANTS BLASTING COMBUSTION ENGINES CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS ENGINE PLANTS IN GENERAL GAS-TURBINE PLANTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES STEAM ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	A method for centering an engine structure such as a bearing housing is provided which may be used, for example, during assembly of a mid turbine frame or other engine case structure. In one aspect, the method includes using spacers with respective radial spokes which connect inner and outer portions of the case. In another aspect, centring may be provided by machining selected contacting surfaces of selected components. Une méthode de centrage dune structure de moteur telle quun carter de palier est proposée, laquelle peut être utilisée, par exemple, pendant lassemblage dun cadre intermédiaire de turbine ou dune autre structure de carter de palier. Selon un aspect, la méthode comprend lutilisation despaceurs avec des rayons radiaux respectifs qui connectent des parties intérieures et extérieures du carter. Selon un autre aspect, le centrage peut être obtenu par lusinage de surfaces de contact choisies de composants sélectionnés.