ANISOTROPIC BEARING SUPPORTS FOR TURBOCHARGERSAn exemplary anisotropic member (625, 1200, 1600, 1700, 1800, 1950) supports a bearing in a bore and can reduce non-synchronous vibration (NSV) of the bearing in the bore. An exemplary anisotropic mem…DRIVE·May 20·1 min readFollowF01D25/164GARRETT TRANSPORTATION I INC [US]
SOLAR FOR A MECHANICAL GEAR OF AN AIRCRAFT TURBINE ENGINESun gear (50) for a mechanical reduction gearbox (6) of an aircraft turbomachine (1), this sun gear (50) having an annular shape around an axis (X) and comprising: - an internal annular part (52) comp…DRIVE·Apr 1·1 min readFollowF01D25/164SAFRAN TRANS SYSTEMS [FR]
IN-SITU WIRELESS MONITORING OF ENGINE BEARINGSA bearing assembly monitoring system (62) includes a bearing assembly (38) supporting rotation of a rotating member (78). The bearing assembly (38) includes a fixed portion and rotatable portion. A pi…DRIVE·Feb 18·1 min readFollowF01D25/164RTX CORP [US]
GEAR DRIVEN GAS TURBINE ENGINE ASSEMBLYA gas turbine engine (20) includes a planetary gear system (48) including a sun gear (72), intermediate gears (74), and a ring gear (82). A lubricant recovery system (62) for the planetary gear system…DRIVE·Jan 29·1 min readFollowF01D25/164RTX CORP [US]
GAS TURBINE ENGINE INCLUDING SQUEEZE FILM DAMPER WITH RESERVOIRA gas turbine engine (20) according to an exemplary aspect of the present disclosure includes, among other things, a shaft (74) configured to rotate during operation of the gas turbine engine (20), an…DRIVE·Feb 28·1 min readFollowF01D25/164RTX CORP [US]
Turbocharger, notably for a combustion engineThe turbocharger comprises a shaft 14, a housing 12, a turbine wheel 20 and a compressor wheel 22 mounted onto the shaft, and at least a rolling bearing 18 disposed between the shaft and the housing a…DRIVE·Feb 19·1 min readFollowF01D25/164SKF AB [SE]
Gas turbine engines comprising annular bearing support dampers.Embodiments of a gas turbine engine (20) are provided, as are embodiments of an annular bearing support damper (60, 160) and embodiments of a method for manufacturing an annular bearing support damper…DRIVE·Mar 6·2 min readFollowF01D25/164HONEYWELL INT INC [US]
Torque frame and asymmetric journal bearing for fan drive gear systemA fan drive gear system for a gas turbine engine includes a torque frame (44) and a journal bearing (50). The torque frame has an arm (60) that extends therefrom, the journal bearing is mounted on the…DRIVE·Mar 6·1 min readFollowF01D25/164UNITED TECHNOLOGIES CORP [US]
Integral bearing support and centering spring assembly for a gas turbine engineA bearing support assembly (14) for supporting a bearing assembly (16) within a bearing compartment (12) of a gas turbine engine (10) includes a centering spring (44) and a bearing support member (42)…DRIVE·Dec 26·1 min readFollowF01D25/164UNITED TECHNOLOGIES CORP [US]
Turbocharger, notably for a combustion engineThe turbocharger comprises a shaft 14, a housing 12, a turbine wheel 20 and a compressor wheel 22 mounted onto the shaft, at least a rolling bearing 18 disposed between the shaft and the housing and c…DRIVE·Dec 19·1 min readFollowF01D25/164SKF AB [SE]
Turbocharger, notably for a combustion engine.The turbocharger comprises a shaft 14, a housing 12, a turbine wheel 20 and a compressor wheel 22 mounted onto the shaft, and at least a rolling bearing 18 disposed between the shaft and the housing a…DRIVE·Dec 19·1 min readFollowF01D25/164SKF AB [SE]
Bearing System for Gas Turbine EngineA bearing system (38A) for a gas turbine engine includes a spring (62) defined about an axis of rotation. The spring (62) has a multiple of beams (82) which extend between a flange structure (84) and …DRIVE·Jul 25·1 min readFollowF01D25/164UNITED TECHNOLOGIES CORP [US]
Accessing a valve assembly of a turbomachineAn example method of accessing a valve assembly (50) of a turbomachine (10) includes accessing a check valve (58) of the valve assembly (50) from a first position that is radially outside a flow path …DRIVE·Nov 23·1 min readFollowF01D25/164UNITED TECHNOLOGIES CORP [US]
Mounting system for a planetary gear train in a gas turbine engineA mounting system for a planetary gear train (30) in a gas turbine engine (10) comprises a support strut (56), a deflection flange (74) and a deflection limiter (52). The support strut extends between…DRIVE·Jun 1·1 min readFollowF01D25/164UNITED TECHNOLOGIES CORP [US]
Bellows preload and centering spring for a fan drive gear systemAn assembly includes a first tapered roller bearing (14A) and a second tapered roller bearing (14B) and a bellows spring (20). The bellows spring is disposed adjacent the first tapered roller bearing …DRIVE·May 25·1 min readFollowF01D25/164UNITED TECHNOLOGIES CORP [US]
Thrust bearing assembly for a gas turbine engineA method for assembling a gas turbine engine assembly, including a gas turbine engine (10), a power turbine coupled to the gas turbine engine, and a thrust bearing coupled to the power turbine. The me…DRIVE·Jun 14·1 min readFollowF01D25/164GEN ELECTRIC [US]
Two stiffness device for assembling a bearing on the shaft of a rotary engineThe engine has a low pressure turbine shaft (1) mounted relative to a high pressure turbine shaft (2) and comprising a cage winding (5). The winding has two fixing points fixed to a bearing (3) and a …DRIVE·May 3·1 min readFollowF01D25/164SNECMA [FR]
Method and apparatus for varying the critical speed of a shaftA system is provided for changing the critical speed of a shaft that includes: a first shaft (26) supported for relative rotational movement with respect to a stationary structure, a forward bearing (…DRIVE·Mar 10·1 min readFollowF01D25/164GEN ELECTRIC [US]
