SYSTEM AND METHOD FOR REDUCING WEAR IN AN ACCESSORY GEARBOX DURING A WASH EVENT OF A GAS TURBINE ENGINEA system for reducing wear during a wash of a gas turbine engine (10) is provided. The system includes an accessory gearbox (45), a transfer gearbox (46) drivingly coupled to the accessory gearbox (45…DRIVE·Jun 17·1 min readFollowF01D15/12GEN ELECTRIC [US]
GAS TURBINE ENGINEA gas turbine engine (100) has an engine static structure (130). At least one component rotatable relative to the engine static structure (130) about an engine axis of rotation (A). A fan (42) is coup…DRIVE·Dec 24·1 min readFollowF01D15/12RTX CORP [US]
DRIVE ASSEMBLY FOR A MECHANICAL REDUCTION GEAR OF AN AIRCRAFT TURBINE ENGINEDrive assembly (100) for a mechanical reducer (6) of a turbomachine (1), in particular of an aircraft, this assembly (100) comprising: - planet gears (108), - a planet carrier (110) which comprises at…DRIVE·Nov 5·1 min readFollowF01D15/12SAFRAN TRANS SYSTEMS [FR]
ASSEMBLY FOR A TURBINE ENGINE COMPRISING LUBRICANT DISCHARGE MEANS AND TURBINE ENGINE EQUIPPED WITH SUCH AN ASSEMBLYThe invention relates to a turbomachine assembly (1) extending around a longitudinal axis and comprising a speed reducer (16) having an external ring (23) and a collection channel (41) for a lubricant…DRIVE·Oct 22·2 min readFollowF01D15/12SAFRAN TRANS SYSTEMS [FR]
TURBINE ENGINE GEARBOXAn example method of controlling performance of gearbox of a gas turbine engine includes establishing a gear characteristic of a plurality of double helical gears each disposed about a respective axis…DRIVE·Oct 22·1 min readFollowF01D15/12RTX CORP [US]
EPICYCLIC GEARING WITH PRESS-FIT COLLAR WITH REDUCED EDGE CONTACT STRESS CONCENTRATIONSAn apparatus and method for reducing edge contact stress concentrations in a press-fit. The apparatus and method of the present disclosure specifically provide for a press-fit collar having a channel …DRIVE·Aug 6·1 min readFollowF01D15/12GE AVIO SRL [IT]
GEARED TURBOFAN WITH OVERSPEED PROTECTIONA gas turbine engine (100) has a fan drive turbine (114) driving a gear reduction, the gear reduction (106), in turn, driving a fan rotor (102), the fan rotor (102) delivering air into a bypass duct a…DRIVE·Jul 30·2 min readFollowF01D15/12RTX CORP [US]
GEARED ARCHITECTURE GAS TURBINE ENGINE WITH PLANETARY GEAR OIL SCAVENGEA fan drive gear system (55) for a turbofan engine (20) according to an exemplary embodiment of this disclosure, among other possible things includes a sun gear (72) that is rotatable about an axis (A…DRIVE·Aug 14·1 min readFollowF01D15/12RTX CORP [US]
SYSTEMS AND METHODS FOR INTERNAL SPLINE LUBRICATIONAn aircraft engine (10) has: a shaft (24) rotatable about a central axis (11) and engaged at an end (24a) thereof to a rotatable load (L) via splines (24b); a reference tube (28; 128) extending around…DRIVE·Jun 12·2 min readFollowF01D15/12PRATT & WHITNEY CANADA [CA]
ENGINE STARTER WITH A DECOUPLERAn air turbine starter (10) for starting an engine (14), comprising a housing (30) defining an inlet (32), an outlet (34), and a flow path (36) extending between the inlet (32) and the outlet (34) for…DRIVE·Jul 12·1 min readFollowF01D15/12UNISON IND LLC [US]
GAS TURBINE ENGINE FAN DRIVE GEAR SYSTEM DAMPERA gas turbine engine (20) includes a fan section (22). A turbine section (28) is coupled to the fan section (22) via a geared architecture (48). The geared architecture (48) includes a torque frame (6…DRIVE·Mar 8·1 min readFollowF01D15/12RAYTHEON TECH CORP [US]
Rotor for a steam turbine and corresponding steam turbineThe rotor has a planet gear (1) that is provided with a shaft (3) arranged between ring gears (2) which is rotatably located. The ring gear has internal teeth which cooperate with inner planetary gear…DRIVE·Nov 13·1 min readFollowF01D15/12SIEMENS AG [DE]
Method for operating a gas turbine plant and gas turbine plant for implementing the methodThe method involves burning combustion fuels (5, 10) in combustion chambers (4, 9) under application of compressed air (3) and formation of hot gases (6, 11). The hot gases are released from turbines …DRIVE·Feb 27·1 min readFollowF01D15/12ALSTOM TECHNOLOGY LTD [CH]
Fan Stagger Angle for Dirt RejectionA gas turbine engine (20) includes a spool (30), a turbine (46) coupled to drive the spool (30), a propulsor (42) coupled to be rotated about an axis by the turbine (46) through the spool (30), and a …DRIVE·Jan 9·2 min readFollowF01D15/12UNITED TECHNOLOGIES CORP [US]
Mounting arrangement for gas turbine engine accessories and gearbox thereforGas turbine engine accessories (75 ... 100) are mounted on an accessory gearbox (60) therefor which is in turn mounted on a case (57) of the engine (5) such that the accessories (75 ... 100) extend fr…DRIVE·Oct 5·1 min readFollowF01D15/12UNITED TECHNOLOGIES CORP [US]
Process for improving the safety of power assembly, and a power assembly suitable for setting this process.The method involves injecting a fluid i.e. water, into heat engines (1, 2) so as to increase power (BTP) developed by the engines, without increasing temperature of a movable member of the heat engine…DRIVE·Jun 15·1 min readFollowF01D15/12EUROCOPTER FRANCE [FR]