About 246 results
Showing the first 200 results.
https://drivepatents.com/patents/1397386 · 23 Apr 2025
A voltage supply system that includes a first power supply branch (206) and a second power supply branch (208). Both branches include a voltage supply (V_1/V_2); a serially connected diode (D1/D2) and switch (S1/S2) connected between the voltage supply and...
https://drivepatents.com/patents/1400444 · 16 Apr 2025
Power and cooling systems (100; 400) including a drive system (106; 406; 500), a power generation unit (102; 402; 514), and a cooled fluid generation unit (104; 404; 518). A primary working fluid that is expanded within a turbine (114; 412; 504) of the dri...
https://drivepatents.com/patents/1396104 · 9 Apr 2025
An environmental control system of a vehicle includes an inlet configured to receive a medium, a heat exchanger (36,48) fluidly connected to the inlet to receive the medium, and a ram air circuit (30) including another inlet configured to receive ram air a...
https://drivepatents.com/patents/1396006 · 2 Apr 2025
A closed-loop Brayton cycle system utilizes supercritical carbon dioxide as the working fluid for the system to achieve higher efficiencies than can be achieved with traditional open-loop gas turbine engines. A bleed channel (30) is used to direct a flow o...
https://drivepatents.com/patents/1397542 · 26 Mar 2025
Disclosed is a valve assembly, having: a valve duct (110) having an upstream end, a downstream end and a duct wall extending from the upstream end to the downstream end; a first conduit (130) extending from a first end at the valve duct (110) to a second e...
https://drivepatents.com/patents/1395571 · 12 Mar 2025
A hydrogen-cooled environmental control system, ECS, is provided and includes a pressurizing system (210) including an electric compressor (211) that compresses RAM air into pressurized warm RAM air for a cabin (111) and a heat exchanger (220) in which the...
https://drivepatents.com/patents/1396463 · 12 Mar 2025
A valving system (20) has an actuator member (32) connected to move with an actuator piston (38) and change the position of a valve member. There is a smaller face fluid chamber (37) acting on a small area piston face, and a larger face fluid chamber (64) ...
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/1399818 · 12 Feb 2025
An engine system (20) includes an engine duct (36) and a tail cone (40) arranged radially inwardly of the engine duct. The tail cone has an outer surface (42) and an inner surface (44). A generator housing (48) is arranged in the tail cone. The generator h...
https://drivepatents.com/patents/1400639 · 29 Jan 2025
A fuel control system (100) for an aircraft includes first and second electric motor controlled fuel pumps (104, 110) connected in parallel with one another to a fuel line (102). A plurality of fuel nozzles (116) are connected to the fuel line to issue pre...