POWER TURBINE AND REDUCTION GEAR ASSEMBLY

A power turbine and first stage gear reduction assembly for a gas coupled gas turbine engine includes a first stage reduction gear, a tubular pinion shaft carrying a first stage pinion gear, and a power turbine shaft having a power turbine at a turbine end thereof. The first stage pinion gear and th...

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Bibliographische Detailangaben
1. Verfasser:	ALBERT HARVEY BELL III
Format:	Patent
Sprache:	eng
Schlagworte:	AIR INTAKES FOR JET-PROPULSION PLANTS BLASTING COMBUSTION ENGINES CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING ENGINEERING ELEMENTS AND UNITS GAS-TURBINE PLANTS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A power turbine and first stage gear reduction assembly for a gas coupled gas turbine engine includes a first stage reduction gear, a tubular pinion shaft carrying a first stage pinion gear, and a power turbine shaft having a power turbine at a turbine end thereof. The first stage pinion gear and the first stage reduction gear are straddle mounted on an engine block of the gas turbine engine for rotation about parallel primary and secondary axes of the engine, respectively, and in meshing engagement. The power turbine shaft is aligned on the primary axis with a power transfer end thereof within and connected to the pinion shaft through a self-holding taper connection so that the power transfer end of the pinion shaft is supported on the engine block for rotation about the primary axis. A third bearing is disposed between the engine block and the power turbine shaft adjacent the power turbine whereby the power transfer end of the power turbine shaft is supported on the engine block for rotation about the primary axis.