About 21 results
https://drivepatents.com/patents/1398688 · 19 Feb 2025
An air cycle machine includes an air inlet connected to an air cycle compressor. Air downstream of the air cycle compressor is connected to be delivered across a first turbine. The air cycle compressor is driven by the first turbine through a shaft. Air do...
https://drivepatents.com/patents/1400269 · 28 Aug 2024
A hybrid-electric aircraft system (401) includes first and second hybrid-electric engines (410, 420), first and second ducting systems (430, 440) fluidly communicative with each other and with the first and second hybrid-electric engines (410, 420), respec...
https://drivepatents.com/patents/1396477 · 19 Jun 2024
Le procédé de surveillance de l'intégrité d'un ensemble de canalisations (21, 22, 23, 24) de prélèvement d'air issu de moteurs de propulsion (M1, M2, M3, M4) d'un aéronef comprend les étapes suivantes : - A) au début d'une utilisation de l'aérone...
https://drivepatents.com/patents/968726 · 15 Oct 2014
A system and method for controlling bleed air flow into an air cycle machine that includes a bleed air inlet and a conditioned air outlet is provided. The system and method include discharging bleed air from an operating gas turbine engine, sensing exhaust...
https://drivepatents.com/patents/984937 · 24 Apr 2013
A gas turbine engine (20) includes a first (86) and second (90) pump driven by a spool (30). An air-oil cooler (88) is located downstream of the first pump (86). An air-air precooler (92) is located downstream of the second pump (90) and the air-oil cooler...
https://drivepatents.com/patents/998876 · 29 Aug 2012
A precooler (7) for cooling compressor bleed air (38) for an environmental control system (6) includes a heat exchanger (56) in fluid communication with a source of cooling air (57) and operable for cooling the bleed air (38). A variable bypass valve (74) ...
https://drivepatents.com/patents/1000227 · 18 Jul 2012
A bleed air conditioning system (34;134) within an aircraft including a low-pressure bleed air line (28) and a high-pressure bleed air line (30). The system includes an air-to-air heat exchanger (38) and an un-cooled bleed air line (40) to connect the air-...
https://drivepatents.com/patents/1005673 · 1 Feb 2012
Disclosed are a cooling device (200) for high temperature fluid, a flight vehicle (100) having the same and a cooling method for high temperature fluid, the cooling device (200) including a heat exchanger configured such that fluid is introduced therein to...
https://drivepatents.com/patents/1068586 · 5 Apr 2006
An ECS system (10) includes a RAM air fan (RAF) system (76, 78) downstream of a respective heat exchanger in the relatively high temperature RAM exhaust The RAF (76, 78) includes a RAF electric motor (80) such that the RAF (76, 78) is driven at a speed ind...
https://drivepatents.com/patents/1082891 · 27 Oct 2004
An apparatus (10) for providing environmental control, secondary power and emergency power for an aircraft, comprises a cooling turbine (12) coupled to a first electromechanical machine rotor (18), and including an input (14) for receiving compressed air o...