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Class Information
Number: 244/58
Name: Aeronautics > Aircraft power plants > Auxiliary
Description: Devices for developing power either for the purpose of emergency aircraft propulsion or for assisting in the propulsion or operation of aircraft.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7622821 |
Power distribution system and load management protocol therefor |
Nov. 24, 2009 |
| 7611093 |
Dual flow APU inlet and associated systems and methods |
Nov. 3, 2009 |
| 7540142 |
Multiple auxiliary power unit system inlet ducts controlled by a single actuator |
Jun. 2, 2009 |
| 7461814 |
Dual action inlet door and method for use thereof |
Dec. 9, 2008 |
| 7431238 |
Arrangement and method for the generation of water on board an aircraft |
Oct. 7, 2008 |
| 7398946 |
Power line sentry charging |
Jul. 15, 2008 |
| 7380749 |
Combined fuel cell aircraft auxiliary power unit and environmental control system |
Jun. 3, 2008 |
| 7364116 |
Automatic control systems for aircraft auxiliary power units, and associated methods |
Apr. 29, 2008 |
| 7364117 |
Passive cooling system for auxiliary power unit installation |
Apr. 29, 2008 |
| 7344107 |
Dual flow APU inlet and associated systems and methods |
Mar. 18, 2008 |
| 7337605 |
Thermal management for aircraft auxiliary power unit compartment |
Mar. 4, 2008 |
| 7318565 |
Electric motor assisted takeoff device for an air vehicle |
Jan. 15, 2008 |
| 7318564 |
Power line sentry charging |
Jan. 15, 2008 |
| 7270294 |
Dual flow APU inlet and associated systems and methods |
Sep. 18, 2007 |
| 7210653 |
Electric-based secondary power system architectures for aircraft |
May. 1, 2007 |
| 7207521 |
Electric-based secondary power system architectures for aircraft |
Apr. 24, 2007 |
| 7104499 |
Rechargeable compressed air system and method for supplemental aircraft thrust |
Sep. 12, 2006 |
| 7077631 |
Ram air turbine with speed increasing gearbox |
Jul. 18, 2006 |
| 6976654 |
Vertical takeoff and landing aircraft |
Dec. 20, 2005 |
| 6942181 |
Passive cooling system for auxiliary power unit installation |
Sep. 13, 2005 |
| 6926231 |
Vertical takeoff and landing aircraft |
Aug. 9, 2005 |
| 6926232 |
Variable cycle propulsion system with compressed air tapping for a supersonic airplane |
Aug. 9, 2005 |
| 6921046 |
Creating imbalanced thrust in a center line mounted multi-engine jet aircraft configuration and a method of using imbalanced thrust |
Jul. 26, 2005 |
| 6901737 |
Air intake for an auxiliary power unit in an aircraft |
Jun. 7, 2005 |
| 6854688 |
Solid oxide regenerative fuel cell for airplane power generation and storage |
Feb. 15, 2005 |
| 6840479 |
Airframe mounted accessory drive (AMAD) power take-off shaft auxiliary power generation |
Jan. 11, 2005 |
| 6834831 |
Hybrid solid oxide fuel cell aircraft auxiliary power unit |
Dec. 28, 2004 |
| 6824097 |
Vertical takeoff and landing aircraft |
Nov. 30, 2004 |
| 6796131 |
Environmental control system |
Sep. 28, 2004 |
| 6796527 |
Integrated air turbine driven system for providing aircraft environmental control |
Sep. 28, 2004 |
| 6793174 |
Pulsejet augmentor powered VTOL aircraft |
Sep. 21, 2004 |
| 6742741 |
Unmanned air vehicle and method of flying an unmanned air vehicle |
Jun. 1, 2004 |
| 6704625 |
Aircraft architecture with a reduced bleed aircraft secondary power system |
Mar. 9, 2004 |
| 6688552 |
Variable cycle propulsion system with mechanical transmission for a supersonic airplane |
Feb. 10, 2004 |
| 6676379 |
Ram air turbine with speed increasing gearbox |
Jan. 13, 2004 |
| 6651929 |
Passive cooling system for auxiliary power unit installation |
Nov. 25, 2003 |
| 6612522 |
Flyback booster with removable rocket propulsion module |
Sep. 2, 2003 |
| 6581874 |
Mounting assembly for an aircraft auxiliary power unit and method |
Jun. 24, 2003 |
| 6547182 |
Solid rocket motor bolted thrust takeout structure |
Apr. 15, 2003 |
| 6467725 |
Electrical generator an aero-engine including such a generator, and an aircraft including such a generator |
Oct. 22, 2002 |
| 6450447 |
Auxiliary power unit for an aircraft |
Sep. 17, 2002 |
| 6418714 |
Accumulator utilizing housing case pressure |
Jul. 16, 2002 |
| 6308912 |
Rotorcraft |
Oct. 30, 2001 |
| 6296957 |
Energy supply unit on board an aircraft |
Oct. 2, 2001 |
| 6289665 |
Aircraft air conditioner energy recovery method |
Sep. 18, 2001 |
| 6272838 |
Method and apparatus for controlling the inlet duct leading to an auxiliary power unit |
Aug. 14, 2001 |
| 6270309 |
Low drag ducted Ram air turbine generator and cooling system |
Aug. 7, 2001 |
| 6247668 |
Auxiliary power and thrust unit |
Jun. 19, 2001 |
| 6224016 |
Integrated flexible solar cell material and method of production |
May. 1, 2001 |
| 6142418 |
Multi-path secondary power system for an aircraft |
Nov. 7, 2000 |
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