About 257 results
Showing the first 200 results.
https://drivepatents.com/patents/990449 · 22 May 2013
In an air turbine starter and accessory gearbox assembly (8), the accessory gearbox (12) includes a gear shaft (40) and the air turbine starter (10) includes an output shaft (14) and a clutch assembly (16). The output shaft (14) extends from the accessory ...
https://drivepatents.com/patents/990435 · 22 May 2013
A power generation system includes a prime mover, a generator mechanically connected to the prime mover, the generator including a field winding portion and an armature winding portion, a direct current bus node, a first variable frequency drive having an ...
https://drivepatents.com/patents/990746 · 15 May 2013
A gearbox (12) includes an inlet (52) configured to receive a mixture of air and oil from an external source and a deoiler (40). The deoiler includes a shaft (41) including an inlet passage (97) and an outlet passage (42), both formed on an inner portion o...
https://drivepatents.com/patents/985243 · 3 Apr 2013
An exemplary turbomachine starter assembly includes a motor-generator 50 that selectively operates in a motor mode or a generator mode. The motor-generator provides a rotational input to a turbomachine 10 when operating in the motor mode. The motor-generat...
https://drivepatents.com/patents/985296 · 27 Mar 2013
A multi-channel controller uses multiple logic gates and multiple control channels to provide fault tolerant protection against undesired events.
https://drivepatents.com/patents/985657 · 13 Mar 2013
According to one aspect of the invention, an ice separating apparatus (106;200) for a gas turbine engine includes a can (202) having a first end (218) and a tangential inlet (204) proximate the first end (218) of the can (202) to receive a fluid flow (210)...
https://drivepatents.com/patents/992614 · 27 Feb 2013
An active damping switching system can include an active damper apparatus having a stabilization resistor, stabilization switch coupled to the stabilization resistor, an active damper controller coupled to the stabilization switch, a current sensor coupled...
https://drivepatents.com/patents/992607 · 27 Feb 2013
An electrical power system includes an electrical power generating system (EPGS); one or more constant power loads powered by the EPGS; and a power management and distribution (PMAD) center located between the EPGS and the one or more constant power loads,...
https://drivepatents.com/patents/992599 · 27 Feb 2013
An active damping switching system includes an active damping switching apparatus, including a damping capacitor 140, a damping resistor 145 coupled to the damping capacitor, an input switch 135 coupled to the damping capacitor, an oscillator 150 coupled t...
https://drivepatents.com/patents/992541 · 27 Feb 2013
A direct current bus management system can include a power management and distribution unit 105, having a source management section 110, a bus management section 115 coupled to the source section, a load management section 120 coupled to the bus management...