About 254 results
Showing the first 200 results.
https://drivepatents.com/patents/968727 · 15 Oct 2014
A transmission (100) for providing mechanical power from an input (104) includes a transmission assembly having an arm (106) configured and adapted to be connected to a mechanical input for rotation at an input speed. A first planet (108) is rotatably moun...
https://drivepatents.com/patents/969002 · 8 Oct 2014
A precooler (20) for an aircraft engine system includes a precooler core (38) and a precooler inlet (28) to direct a compressor bleed flow (18) into the precooler core (38) to cool the compressor bleed flow (18). The precooler (20) further includes a preco...
https://drivepatents.com/patents/969352 · 1 Oct 2014
A hydraulic motor pump (224) is powered from a main bus (230) when power is available from the main bus (230), from an auxiliary power unit starter motor controller (202) during a start-up of the hydraulic motor pump (224) when power from the main bus (230...
https://drivepatents.com/patents/969333 · 1 Oct 2014
A fuel system (10) for an aircraft comprises a boost pump (22), a main fuel pump (12) and a motive pump (14). The boost pump (22) receives fuel from a storage unit (20). The main fuel pump (12) receives fuel from the boost pump (22) and delivers fuel to a ...
https://drivepatents.com/patents/969305 · 1 Oct 2014
A fuel system is provided including a diesel fuel reservoir (44) configured to supply a diesel fuel having a first amount of dissolved oxygen. A diesel engine (42) is arranged generally downstream from the diesel fuel reservoir (44). A deoxygenation system...
https://drivepatents.com/patents/969626 · 24 Sep 2014
A ram air fan assembly (10) includes a motor/bearing housing (30) that extends along a horizontal length of the ram air fan assembly (10). An inner housing assembly (32) is in fluid communication with the motor/bearing housing (30) to define a joint (65) T...
https://drivepatents.com/patents/969976 · 17 Sep 2014
A fuel system (14) for a gas turbine engine (12) includes an engine fuel manifold (24), a hydraulic actuator (38), and a drain piston assembly (36). The hydraulic actuator (38) actuates in response to a change in pressures within the hydraulic actuator (38...
https://drivepatents.com/patents/971079 · 20 Aug 2014
A battery charging system comprises a battery charger, a first battery 14a, a second battery 14b connected in series with the first battery, and first and second voltage regulation circuits 16a, 16b. The battery charger provides a charging output to the se...
https://drivepatents.com/patents/971359 · 13 Aug 2014
A method of starting an aircraft engine (17) is provided. The method includes providing motive power from a generator (14) for starting an engine (17) during an engine start mode and deriving electrical power by way of the generator (14) from rotation of t...
https://drivepatents.com/patents/971524 · 6 Aug 2014
A power management and distribution (PMAD) system includes first and second power supplies (110), first and second loads (120) and a matrix (130) of solid state power controllers (SSPCs) connected between the first and second power supplies and the first a...