About 21 results
https://drivepatents.com/patents/1378637 · 19 Feb 2026
A contactor control unit (CCU) includes a communication interface configured to be coupled to a power controller. The CCU also includes one or more switches, each associated with a contactor in a power distribution system that includes one or more contacto...
https://drivepatents.com/patents/1400146 · 15 Jan 2025
A system architecture for a backup thrust reverser actuation system control is provided. The system architecture includes an AC power supply (101, 201) of an aircraft, a power supply (102, 202) and a motor control (103, 203) adapted to control an electric ...
https://drivepatents.com/patents/1347067 · 6 Jul 2023
A muffler includes a housing defining a first chamber, a second chamber and a third chamber. The muffler includes at least a pair of nested protrusions in communication with an inlet. The pair of nested protrusions is coupled to a respective surface of a p...
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/980458 · 25 Dec 2013
A circuit and methods for remote auxiliary power unit startup (324) are presented. A first node (320) is coupled to a ground (318) by action of a momentary switch (302) to initiate an activation, and the first node (320) is coupled to the ground (318) by a...
https://drivepatents.com/patents/981290 · 4 Dec 2013
An electrical power unit (10) provides electrical power to an electrical component (12) on-board an aircraft (100). The electrical power unit (10) includes a hydrogen generation system (16) configured to be positioned on-board the aircraft. The hydrogen ge...
https://drivepatents.com/patents/982018 · 13 Nov 2013
The method involves providing non-propelling power to consumers of an aircraft from a storage reservoir (31) of fuel (4) common to an engine of the aircraft and an auxiliary power unit (APU) (2), in a main mode. A basic circulation of the fuel is provided ...
https://drivepatents.com/patents/982415 · 30 Oct 2013
A system (10) and method for warming a fuel cell (20) on an aircraft, the system includes at least one fuel cell (20). The fuel cell (20) includes an anode and a cathode for creating thermal and electrical energy. A temperature sensor (44) measures a first...
https://drivepatents.com/patents/984692 · 3 Jul 2013
The system has N-unidirectional converters connected to an input of a feed network (R1-RN) and supplying an electrical power (P1-PN) to a distribution bus (16). A controlling unit (20) controls the unidirectional converters. An energy storage device (18) i...
https://drivepatents.com/patents/993003 · 6 Feb 2013
An APU (22) has a control (38) for controlling a load on the APU (22) from an associated aircraft. The control (38) further receives information with regard to a temperature challenge around the APU (22). If the temperature challenge exceeds a predetermine...