About 308 results
Showing the first 200 results.
https://drivepatents.com/patents/1399089 · 4 Jun 2025
A variable speed pumping system 200, for an aircraft 50, comprising: a first electrical machine 116, the first electrical machine 116 comprising an electrical machine rotor shaft 202 mechanically connected to an engine 10 of the aircraft and electrical mac...
https://drivepatents.com/patents/1392368 · 28 May 2025
There is provided a rotary assembly 400 for driving spool rotation. The rotary assembly 400 comprises a rotor 410 and a flow modifier 51 0, 520. The rotor 410 is configured to be mechanically coupled to a spool 440 of a gas turbine engine 10. The flow modi...
https://drivepatents.com/patents/1392618 · 21 May 2025
A combined gas turbine engine and hydrogen fuel cell system comprises a hydrogen fuelled gas turbine engine (203), a cryogenic liquid hydrogen fuel tank (104), a first fuel offtake (220) configured and arranged to divert a portion of hydrogen fuel from a m...
https://drivepatents.com/patents/1388805 · 7 May 2025
A method (100) for detecting a burner failure in a gas turbine engine (10) that has a combustor (16) and a turbine (40) disposed downstream of the combustor (16). The combustor (16) has a plurality of burners (50) arranged annularly. The method (100) inclu...
https://drivepatents.com/patents/1396287 · 7 May 2025
A hydrogen-fuelled aircraft power system (300) incorporates a gas turbine engine (301) and a fuel cell (302), in which air supply and cooling of the fuel cell (302) is integrated with the gas turbine engine (301) to improve overall efficiency of the power ...
https://drivepatents.com/patents/1391151 · 30 Apr 2025
A gas turbine engine for an aircraft comprises: an engine core comprising a turbine, a compressor, and a core shaft connecting the turbine to the compressor; a fan located upstream of the engine core, the fan comprising a plurality of fan blades; a bypass ...
https://drivepatents.com/patents/1400313 · 30 Apr 2025
An aircraft propulsion system (100) comprises a gas turbine engine (140) arranged to provide propulsive thrust and a fuel cell system (152) having an air input port (155), the aircraft propulsion system being configured such that air from a compressor (112...
https://drivepatents.com/patents/1388405 · 23 Apr 2025
A fuel injector (18) for a hydrogen combusting aircraft gas turbine engine has at least one air through-passage (44, 52) extending axially from a front face (40) to a rear face (54). The injector further comprises a fuel manifold (42) in communication with...
https://drivepatents.com/patents/1388598 · 23 Apr 2025
A propulsive aircraft gas turbine engine (103) comprises a turbine (208, 209) disposed in a gas turbine engine core (201) flow and a recuperator heat exchanger (218) disposed downstream of the turbine (208, 209) in gas turbine engine core flow, the recuper...
https://drivepatents.com/patents/1397863 · 2 Apr 2025
An engine system comprises a first fuel store, a second fuel store, an engine arranged to produce mechanical power by combustion or oxidation of a fuel in an engine, a fuel distribution system arranged to deliver fuel from the first and second fuel stores ...