About 257 results
Showing the first 200 results.
https://drivepatents.com/patents/992540 · 27 Feb 2013
A regenerative load electric power management system can include a system bus (105), an input filter (225) coupled to the system bus, a first bidirectional solid state power controller (120) coupled to the system bus, a motor drive inverter (240) coupled t...
https://drivepatents.com/patents/986017 · 20 Feb 2013
A flow balancing valve 44 for a multistage combustor 12 includes a first pressure feedback line 62A, a first burn line 56A, and a first metering port 60A fluidly connected to a first fuel injector 46A. The flow balancing valve 44 further includes a second ...
https://drivepatents.com/patents/993013 · 6 Feb 2013
A gas turbine starting architecture (10;60) is used to start a gas turbine engine having at least a first spool (14;64). The architecture includes an electric power distribution bus (46;96), a motor (40;92), a compressor (38;90), a pneumatic distribution c...
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...
https://drivepatents.com/patents/992956 · 6 Feb 2013
A solid-state power regulator (SSPR) regulates power delivered to a frequency tolerant load from a wild-source generator 16. The SSPR includes a solid-state switching device 30 and a controller 34. The solid-state switching device is turned On to deliver p...
https://drivepatents.com/patents/993344 · 30 Jan 2013
A gearing assembly (52) is provided and includes a mechanical transmission (56), a differential (72), the mechanical transmission (56) and the differential (72) being configured to rotatably couple a prime mover (10) and a generator (50) such that a first ...
https://drivepatents.com/patents/993331 · 30 Jan 2013
An example mechanical transmission assembly (56;156) receives an input (70) rotating at a first rotational speed and provides an output (72) rotating at a second rotational speed. The mechanical transmission (56; 156) selectively adjusts the second rotatio...
https://drivepatents.com/patents/993794 · 16 Jan 2013
An input shaft assembly (16;85) is movable along an axis to absorb external impact loads. A biasing member (48) exerts an axial load in a direction counter to potential impact loads. A stop (46;70;82) is provided to control the application of biasing loads...
https://drivepatents.com/patents/994055 · 9 Jan 2013
An integrated variable area fan nozzle (VAFN) and thrust reversing actuation system (TRAS) system (15) includes movable surfaces (46) for adjusting an exit area (48) for bypass flow and cowls (52) moved for directing discharge flow in a reverser manner. Th...
https://drivepatents.com/patents/994396 · 2 Jan 2013
A control for providing fuel to an auxiliary power unit ("APU") (15) includes a constant speed electrical motor (200), a first pump (25) driven by the motor (200) and a second pump (45) driven by the motor (200). The electric motor (200), the first pump (2...