About 110 results
https://drivepatents.com/patents/1388973 · 17 Dec 2025
A hybrid electric propulsion (HEP) system included in an aircraft includes a generator (103) configured to output a first power, an energy storage system (102) including a battery (124) configured to output a second power, a propulsion system (205) configu...
https://drivepatents.com/patents/1391657 · 17 Dec 2025
A fan drive turbine (112) drives a drive shaft (114). A compressor section and a turbine section rotate about a rotational axis, with the turbine section positioned in a downstream direction. A fan has fan blades (102) and a fan hub (103) positioned radial...
https://drivepatents.com/patents/1391321 · 10 Dec 2025
A heat exchanger (20) has: a first manifold assembly (42) having a stack of plates (60, 62, 64, 66, 68, 70); a second manifold assembly (44) having a stack of plates (80, 82, 86, 88); and a plurality of tubes (46) extending from the first manifold assembly...
https://drivepatents.com/patents/1397857 · 10 Dec 2025
Aircraft engines include a turbine engine (400) comprising a compressor section (404), a burner section (406), and a turbine section (408) arranged along a shaft (420), with a core flow path (420) through the turbine engine (400) such that exhaust from the...
https://drivepatents.com/patents/1393619 · 3 Dec 2025
An engine system includes a gas turbine engine and an actuation system (26). The gas turbine engine includes a compressor section, a combustor section, a turbine section (39) and a flowpath (34) extending through the compressor section, the combustor secti...
https://drivepatents.com/patents/1398382 · 3 Dec 2025
An oil system for a gas turbine engine includes an oil pump (112) driven by a gear train (99) having a main input drive gear (101) rotating when a propulsor rotor (102) rotates. The gear train (99) includes two sets of gears (A, B) joined by two connection...
https://drivepatents.com/patents/1398860 · 3 Dec 2025
An anti-ice arrangement (301) for a gas turbine engine (300) comprises an engine static structure (236), a fan blade (242) housed for rotation within the engine static structure (236), and a magnetic field source (310a, 310b, 310c) mounted in close proximi...
https://drivepatents.com/patents/1398012 · 26 Nov 2025
An aircraft propulsion system includes aircraft systems (304) having at least one hydrogen tank (332) and an aircraft-systems heat exchanger (358) and engine systems having at least a main engine core, a high pressure pump (316), a hydrogen-air heat exchan...
https://drivepatents.com/patents/1400819 · 26 Nov 2025
An assembly (100) for a gas turbine engine (20) has: a fan case (110) with a forward end (110A), an aft end (110B), and an inner surface (115) extending from the forward end (110A) of the fan case (110) to the aft end (110B) of the fan case (110); an acous...
https://drivepatents.com/patents/1392457 · 19 Nov 2025
A cooling system (300; 400) for a plurality of conductive cables (310) in a gas turbine engine (110) includes a cooling source and an electric motor (210) disposed in a tail cone (122). The cooling source may comprise an electric fan (360) or an oil pump (...