About 116 results
https://drivepatents.com/patents/1401488 · 20 Aug 2025
A turbine engine (20) includes integrated electric machines in the compressor section (24) and the turbine section (28) to supplement power produced from fuel with electric power. The example compressor section (24) includes a compressor electric motor (74...
https://drivepatents.com/patents/1398438 · 13 Aug 2025
A turbofan engine according to an exemplary embodiment of this disclosure includes, among other possible things, a first spool (30) including a first turbine (46); a second spool (32) including a second turbine (54) disposed axially forward of the first tu...
https://drivepatents.com/patents/1393910 · 30 Jul 2025
A first gear system (94) includes a first sun gear (98), a first ring gear (100), first intermediate gears (102) and a first carrier (104). The first intermediate gears (102) are between and meshed with the first sun gear (98) and the first ring gear (100)...
https://drivepatents.com/patents/1395811 · 30 Jul 2025
A 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 as bypass air and into a compressor section (24) as core ...
https://drivepatents.com/patents/1395825 · 30 Jul 2025
A gas turbine engine (10) includes a first spool (16) associated with a primary combustor (70), a second spool (12) associated with a secondary combustor (84), and a third spool (14), each spool (12) including a compressor (24, 74, 18) and a turbine (26, 8...
https://drivepatents.com/patents/1395850 · 30 Jul 2025
A gas turbine engine (10) includes a first spool (16) rotationally coupled to a plurality of accessories via a first gearing (224, 226) and a second spool (12) rotationally coupled to a third spool (14) via a second gearing (210, 212). The first gearing (2...
https://drivepatents.com/patents/1393894 · 23 Jul 2025
An assembly for an aircraft includes a geartrain (72), a first propulsor rotor (22) and a rotating structure (68). The geartrain (72) includes a sun gear (92), a ring gear (94), a plurality of intermediate gears (96) and a carrier (98). The ring gear (94) ...
https://drivepatents.com/patents/1400236 · 23 Jul 2025
A turbofan engine (20) includes a first spool (30) including a first turbine (46); a second spool (32) including a second turbine (54) disposed axially forward of the first turbine (46), a first tower shaft (76) engaged to the first spool (30), a second to...
https://drivepatents.com/patents/1396679 · 16 Jul 2025
A propulsion system (18) for an aircraft includes a core flow path (C) in communication with a compressor section (24), combustor section (26) and a turbine section (28). A first bottoming cycle system (62) includes a bottoming working fluid flow in therma...
https://drivepatents.com/patents/1400616 · 16 Jul 2025
An assembly is provided for a turbine engine. This turbine engine assembly includes a turbine engine shaft, a gearbox and a coupler. The turbine engine shaft is configured to rotate about a rotational axis. The gearbox includes a gear configured to rotate ...