About 18 results
https://drivepatents.com/patents/1392213 · 25 Feb 2026
A gas turbine engine (100) includes a fan shaft (110) rotatable about an axis (A), a fan (112) connected to the fan shaft (110), and an outer housing (114) surrounding the fan (112) to define a bypass passage (B). A compressor section (24) has both a low p...
https://drivepatents.com/patents/1393876 · 8 Oct 2025
An assembly for an aircraft propulsion system (20) includes a compressor section (48), a combustor section (49), a turbine section (50) and a flowpath (110) extending sequentially through the compressor section (48), the combustor section (49) and the turb...
https://drivepatents.com/patents/1400480 · 3 Sep 2025
A gas turbine engine (20) includes a fan section (22) including a fan (42) with fan blades (43). The fan section (22) drives air along a bypass flow path (B) in a bypass duct (13). A gear reduction (48) is in driving engagement with the fan (42). The gear ...
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/1395820 · 2 Apr 2025
A gas turbine engine (10) includes a first spool (16), a second spool (12), a third spool (14), and an epicyclic differential. The epicyclic differential includes a sun gear, planet gears supported from a planet carrier, a ring gear, and a locking member, ...
https://drivepatents.com/patents/982143 · 6 Nov 2013
An electro-magnetic coupling system for transferring torque between a pair of coaxial spools of a gas turbine engine is provided. The system includes a first rotor rotatable with one of the spools, a second rotor rotatable with the other of the spools, and...
https://drivepatents.com/patents/983245 · 16 Oct 2013
The present invention provides a system and method of operating a combined-cycle powerplant at part-load without shutting down an HRSG 110 and steam turbine 265. The present invention may apply to a powerplant operating in an open-cycle mode. The present i...
https://drivepatents.com/patents/988667 · 17 Jul 2013
A gas turbine engine (10) comprises an outer engine case (12), a combustor (16), a high pressure spool (18) and a low pressure spool (20). The combustor (16) is disposed within the outer engine case (12). The high pressure spool (18) is configured for rota...
https://drivepatents.com/patents/984694 · 3 Jul 2013
A gas turbine engine (10) comprising: a core nacelle defined about an engine centerline axis; a fan nacelle mounted at least partially around core nacelle to define a fan bypass airflow path for a fan bypass airflow; a gear train (22, 25) defined along an ...