About 141 results
https://drivepatents.com/patents/1387716 · 11 Feb 2026
The aircraft can have a cabin (11) adapted to receive one or more persons; a rotary airfoil device (114); an electric engine (112) drivingly coupled to the rotary airfoil device (114); a battery (120) powering the electric engine (112); a coolant subsystem...
https://drivepatents.com/patents/1393513 · 4 Feb 2026
A deaeration rotor (90) for an aircraft engine lubrication system (30) comprises: an internal ring (92) about an axis (A) having a radially outer internal ring surface (92d) defining an inner boundary of an inner passage (P) of the deaeration rotor (90); a...
https://drivepatents.com/patents/1396122 · 4 Feb 2026
A method for operating an aircraft (22) having a first propulsion unit (28A) and a second propulsion unit (28B). During this method a propulsion unit-inoperative event is identified where the first propulsion unit (28A) is inoperative and the second propul...
https://drivepatents.com/patents/1396138 · 4 Feb 2026
A powerplant system includes a gas turbine engine system (14) and an actuation system (68). The gas turbine engine system (14) includes a rotating structure (18A), a stationary structure (20) and one or more bearings rotatably mounting the rotating structu...
https://drivepatents.com/patents/1391073 · 28 Jan 2026
A combustor (98) includes a combustor liner (102) defining a combustion chamber (105) and a fuel and air mixing body (104) connected to the combustor liner (102) to deliver mixed fuel and air into the combustion chamber (105). The mixing body (104) include...
https://drivepatents.com/patents/1387824 · 28 Jan 2026
A rotary engine (110), has: an outer body (11) defining a rotor cavity (14); a rotor (20) rotatable within the rotor cavity (14) and in sealing engagement with walls of the outer body (11) and defining at least one chamber of variable volume in the rotor c...
https://drivepatents.com/patents/1388726 · 14 Jan 2026
An aircraft engine (10), has: an oil system (30), a component containing a baseline volume of oil during normal operation greater than a maximum volume of the oil for compliance with fire resistance requirements, the oil system (30) having: an oil circuit ...
https://drivepatents.com/patents/1388503 · 31 Dec 2025
Methods and systems for adjusting a modulation characteristic of a bleed-off valve (34, 36) of a gas turbine engine (100) are described. The method comprises obtaining a first setpoint configuration (212) associated with a first modulation characteristic o...
https://drivepatents.com/patents/1388131 · 31 Dec 2025
An assembly for an aircraft propulsion system includes a planetary gear assembly (62), a torque sensor, and a controller (128). The planetary gear assembly (62) includes a sun gear (68), a plurality of planet gears (70), a first ring gear (72), and a secon...
https://drivepatents.com/patents/1392612 · 24 Dec 2025
An air intake (36) for an aircraft propulsion system (10) includes an air inlet duct (54) and a flow control device (120). The air inlet duct (54) includes an interior surface (52) and an intake inlet (60). The interior surface (52) extends from the intake...