About 14 results
https://drivepatents.com/patents/1390610 · 8 Apr 2026
In examples, a clutch assembly includes a first clutch member disposed near a first end of a first shaft. The first clutch member defines a first surface. The first shaft includes a starter motor coupled to a second end of the first shaft. The clutch assem...
https://drivepatents.com/patents/1387156 · 3 Dec 2025
An example system includes a first gas-turbine engine configured to propel an aircraft, the first gas-turbine engine comprising: a first air-turbine starter, the first air-turbine starter configured to rotate a spool of the first gas-turbine engine; and a ...
https://drivepatents.com/patents/1398340 · 4 Jun 2025
There is provided a blower system 400 for providing air to an airframe system 450, comprising a rotor 410 configured to be mechanically coupled to a spool 440 of a gas turbine engine 10, wherein the rotor 410 is configured to: in a blower mode, be driven t...
https://drivepatents.com/patents/1399096 · 9 Apr 2025
A propulsion system for an aircraft includes a propeller assembly, a controller, and a pump system. The propeller assembly includes a propeller and a power system, the power system including an electric motor and a motor converter. The controller is connec...
https://drivepatents.com/patents/959427 · 1 Jul 2015
A control method for a synchronous generator system (100) is disclosed including performing a first parametric optimization (206) to determine a desired stator current angle (±) assuming fixed stator current magnitude (|i s |) and fixed field current magn...
https://drivepatents.com/patents/959674 · 24 Jun 2015
An exemplary electrical system may include a power plant operable to provide motive power, and a first and a second motor/generator operatively coupled to a common gear shaft, and to the power plant via a gearbox and drive shaft. The exemplary electrical s...
https://drivepatents.com/patents/959653 · 24 Jun 2015
An exemplary electrical system may include a power plant and a dual motor/generator assembly coupled to each other. The power plant may be a gas turbine engine, and may be operable to provide motive power. The dual motor/generator assembly may include a fi...
https://drivepatents.com/patents/1002328 · 16 May 2012
One embodiment of the present invention is a unique aircraft. Another embodiment is a unique aircraft propulsion system. Still another embodiment is a unique system for taxiing an aircraft without starting one or more main aircraft propulsion engines. Othe...
https://drivepatents.com/patents/1002318 · 16 May 2012
The present invention relates to a system for taxiing an aircraft without starting one or more main aircraft propulsion engines. In one embodiment, a low pressure spool of a gas turbine engine is driven by a mechanical coupling with an auxiliary power unit...
https://drivepatents.com/patents/1002313 · 16 May 2012
A propulsion system for an aircraft, comprising a gas turbine engine (20) having a high pressure spool (24) and a low pressure spool (26), wherein the low pressure spool (24) is operative to drive a propulsor (28); and an auxiliary power unit (APU) (22) me...