About 111 results
https://drivepatents.com/patents/1398138 · 19 Nov 2025
An aircraft comprising: an airframe (100), a first engine (20) disposed at the airframe, and a second engine (20) disposed at the airframe. Each engine of the first engine and the second engine includes a power takeoff and gearbox system (60) including: a ...
https://drivepatents.com/patents/1395437 · 12 Nov 2025
An assembly (20) is provided for an aircraft. The aircraft assembly (20) includes a rotating structure (68), a geartrain (78), a propulsor rotor (24) and an electric machine (80). The rotating structure (68) includes a turbine rotor (60). The geartrain (78...
https://drivepatents.com/patents/1396145 · 12 Nov 2025
A gas turbine engine assembly includes a core engine that includes a core flow path (C) where a core airflow (25) is compressed in a compressor section (24), communicated to a combustor section (26), mixed with fuel and ignited to generate a high energy co...
https://drivepatents.com/patents/1391437 · 5 Nov 2025
An engine model calibration system (100) includes a gas turbine engine (102), a sensor (104), a nominal engine estimation module (106) for FD&I, and a self-tuning engine estimation module (108) for engine parameter estimation. The nominal engine estimation...
https://drivepatents.com/patents/1396486 · 5 Nov 2025
A propulsion system for an aircraft (200) includes a fan (102) and a low pressure turbine (114) operably coupled to a first shaft (116), a low pressure compressor (104) and an intermediate pressure turbine (112) operably coupled to a second shaft (118), an...
https://drivepatents.com/patents/1389063 · 29 Oct 2025
A turbine engine assembly includes an air swirler structure (66), an injector nozzle (108) and a nozzle guide (70). The air swirler structure (66) includes a swirler wall (82), an inner passage (134) and an air swirler passage (122). The swirler wall (82) ...
https://drivepatents.com/patents/1393203 · 29 Oct 2025
A powerplant (20) is provided that includes a flowpath (40), a combustor (46) and a water extraction system (50). The combustor (46) is configured to generate combustion products and direct the combustion products through the flowpath (40). The combustion ...
https://drivepatents.com/patents/1393531 · 29 Oct 2025
A split ring seal (102) has: a first circumferential end (124) and a second circumferential end (126); an inner diameter surface (128) and an outer diameter surface (130); a first axial end face (132) and a second axial end face (134). The outer diameter s...
https://drivepatents.com/patents/1398307 · 22 Oct 2025
A locking plate (160) for restricting rotation of a fastener (140) connecting a first component (124) of a gas turbine engine (20) and a second component (122) of a gas turbine engine (20) includes a base (162) having a planar surface (164) receivable in o...
https://drivepatents.com/patents/1394533 · 15 Oct 2025
A heat exchanger for heat transfer between an external first flow along a first flowpath and a second flow along an internal second flowpath, has: a first manifold (104); a second manifold (106); and a plurality of tubes (120) extending from the first mani...