About 18 results
https://drivepatents.com/patents/984680 · 3 Jul 2013
A turbine engine (10) includes a fan shaft (20) and at least one tapered bearing, (80), mounted on the fan shaft. The fan shaft includes at least one radially extending passage, (82), adjacent the at least one tapered bearing, (80). A fan, (18), is mounted...
https://drivepatents.com/patents/984668 · 3 Jul 2013
An epicyclic gear train, 22, includes a carrier, 26, that supports star gears, 32, that mesh with a sun gear, 30. A ring gear, 38, surrounds and meshes with the star gears, 32. Each of the star gears is supported on a respective journal bearing, 34. Each j...
https://drivepatents.com/patents/984663 · 3 Jul 2013
A gas turbine engine 10 includes a first fan, a second fan spaced axially from the first fan, a turbine-driven fan shaft 26 and an epicyclic gear train 22 coupled to be driven by the turbine-driven fan shaft and coupled to drive the first fan and the secon...
https://drivepatents.com/patents/984643 · 3 Jul 2013
An epicyclic gear train 22 includes a carrier 26 that supports star gears 32 that mesh with a sun gear 30. A ring gear 38 surrounds and meshes with the star gears 32. The star gears are supported on respective journal bearings 34. Each of the journal beari...
https://drivepatents.com/patents/991260 · 1 May 2013
A turbomachine epicyclic gear system (60) includes a sun gear (78) rotatable around an axis, a ring gear (88) radially outward of the sun gear (78), and a plurality of intermediate gears (86) meshed with the sun gear (78) and the ring gear (88). A pluralit...
https://drivepatents.com/patents/1009843 · 24 Aug 2011
An epicyclic gear train (40) includes planetary gears (74) rotatably mounted on spindles (75) supported by an annular carrier (72) and including axially spaced apart forward and aft sets of output teeth (94, 96) extending radially outwardly from a planetar...
https://drivepatents.com/patents/1014903 · 16 Mar 2011
A gas turbine engine (10) comprises a fan drive gear system (12), a low spool (14) connected to the fan drive gear system, and a high spool (16) disposed aft of the low spool. The low spool comprises a rearward-flow low pressure compressor (26) disposed af...
https://drivepatents.com/patents/1078927 · 30 Mar 2005
A power transmission arrangement (20) comprises a first power transmission member (24) connectable to a first main shaft (28) of an engine (10). The arrangement (20) also includes a second power transmission member (26) connectable to a second main shaft (...