About 34 results
https://drivepatents.com/patents/1388227 · 29 Apr 2026
A cover (40) system selectively allows a gas flow through a heat exchanger duct upstream of an exhaust duct (30) in an aircraft engine (10). A fluid is at a first pressure during an engine (10) operating condition and a second pressure lower than the first...
https://drivepatents.com/patents/1393164 · 25 Mar 2026
There is disclosed a gas turbine engine (10) for an aircraft, the gas turbine engine comprising: a compressor stage; a bleed air line (50) diverted from the compressor stage; and a thermoelectric generator system (100, 200, 300). The thermoelectric generat...
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/1397466 · 5 Nov 2025
A compressed air supply system includes: a bleed air passage; an auxiliary compressor structure including a compressor inlet and a compressor outlet, the compressor inlet being fluidly connected to the bleed air passage; a supply passage which is fluidly c...
https://drivepatents.com/patents/1399507 · 10 Sep 2025
A method for sensing (100) operating conditions of the gas turbine engine; generating (102) a base value signal of a control parameter of the bleed valve based on the sensed operating conditions and on control data; determining (104) whether a contaminant ...
https://drivepatents.com/patents/1395185 · 30 Jul 2025
A bleed system including control circuitry and a variable jet pump. The control circuitry is configured to receive a signal indicative of a fluid parameter in the bleed system and cause the jet pump to alter a mixing ratio of a higher pressure gas and a lo...
https://drivepatents.com/patents/1393793 · 23 Apr 2025
A system, comprising a first moveable member (208) disposed in a first chamber (106) configured to move between a first position and a second position to allow or prevent fluid from passing from an inlet (110) to an outlet (112) of the first chamber (106);...
https://drivepatents.com/patents/1395849 · 2 Apr 2025
A gas turbine engine includes a first spool associated with a diffuser (68) and a primary combustor (70) and a second spool (12) associated with a secondary combustor (84). The first spool includes a first compressor and a first turbine mounted to a first ...
https://drivepatents.com/patents/1394360 · 27 Nov 2024
A compressor section (18) has a centrifugal impeller (40) operable to rotate around an axis (42), the centrifugal impeller (40) having blades (44), a compressor inlet (48) oriented towards the front and axially relative the axis (42), a compressor outlet (...
https://drivepatents.com/patents/1399663 · 6 Sep 2023
A valve assembly (100) includes a fluid flow passage (102), a valve seat (104), and an actuator assembly (120). The actuator assembly includes an actuator body (122) stationary relative to the valve seat (104) and a valve member (130) moveable relative to ...