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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:
1 2 3 4

Patent Number Title Of Patent Date Issued
8690099 Aircraft and propulsion system Apr. 8, 2014
8684304 Aircraft, propulsion system, and system for taxiing an aircraft Apr. 1, 2014
8678310 Ducted ram air generator assembly Mar. 25, 2014
8672263 Power distribution system Mar. 18, 2014
8668165 Wheel drive system for aircraft with a fuel cell as energy source Mar. 11, 2014
8657227 Independent power generation in aircraft Feb. 25, 2014
8622342 On-board aircraft auxiliary power systems having dual auxiliary power units Jan. 7, 2014
8623566 Aircraft fuel cell system Jan. 7, 2014
8615980 Gas turbine engine with noise attenuating variable area fan nozzle Dec. 31, 2013
8596568 Exhaust silencer with baffles Dec. 3, 2013
8596569 Front electric rotor helicopter Dec. 3, 2013
8573533 Method and apparatus for operating an aircraft landing system Nov. 5, 2013
8523105 Aircraft provided with a fuel cell system Sep. 3, 2013
8516828 Bearing compartment pressurization and shaft ventilation system Aug. 27, 2013
8511606 Unmanned aerial vehicle base station Aug. 20, 2013
8500064 Hybrid power system architecture for an aircraft Aug. 6, 2013
8490916 Suspension system for aircraft auxiliary power unit with elastomeric member Jul. 23, 2013
8469306 Purebred and hybrid electric VTOL tilt rotor aircraft Jun. 25, 2013
8464980 Power plant, a helicopter including such a power plant, and a method implemented by said power plant Jun. 18, 2013
8444083 Auxiliary power unit inlet May. 21, 2013
8441375 Aircraft power failure simulation apparatus and method May. 14, 2013
8430354 Flight control system for an aircraft Apr. 30, 2013
8424800 Multi-source emergency power optimization Apr. 23, 2013
8403264 Air inlet valve for an airplane and manufacturing method for an air inlet valve Mar. 26, 2013
8403258 Power regulating device for an aircraft Mar. 26, 2013
8371522 Device for cooling hot gas to be discharged from an aircraft Feb. 12, 2013
8371521 Low noise exhaust ducting system Feb. 12, 2013
8336814 Aircraft Dec. 25, 2012
8313056 Engine heat exchanger with thermoelectric generation Nov. 20, 2012
8308106 Hydrogen powered aircraft Nov. 13, 2012
8302902 Method and apparatus for operating an aircraft landing system Nov. 6, 2012
8276392 Turboprop engine with an apparatus for the generation of a cooling airflow Oct. 2, 2012
8245976 Door assembly for laminar flow control system Aug. 21, 2012
8220739 Beam mounted rear propulsion system for an aircraft and aircraft with such system Jul. 17, 2012
8213136 Engine having power bus fault short circuit control with a disconnection switch Jul. 3, 2012
8196861 Rear propulsion system with lateral air inlets for an aircraft with such system Jun. 12, 2012
8152201 Ground support system Apr. 10, 2012
8136756 System for electrical generation, conversion, distribution, and starting on board an aircraft Mar. 20, 2012
8137854 Fuel cell system as a primary electrical energy supply for aircraft Mar. 20, 2012
8128024 Structure of a pneumatic installation in a tail zone of an aircraft Mar. 6, 2012
8118253 Auxiliary power unit (APU) of an aircraft Feb. 21, 2012
8113767 Auxiliary power unit inlet duct with acoustic silencing Feb. 14, 2012
8109464 Aircraft taxiing and secondary propulsion system Feb. 7, 2012
8096498 Rotating auxiliary power unit air inlet door Jan. 17, 2012
8079550 Auxiliary power unit inlet door actuation mechanism Dec. 20, 2011
8061651 Airship photocatalytic reactor energy generation, storage, and pipeless transmission systems Nov. 22, 2011
8061650 Automatic control systems for aircraft auxiliary power units, and associated methods Nov. 22, 2011
8016228 Combined fuel cell aircraft auxiliary power unit and environmental control system Sep. 13, 2011
8011616 Hydrogen powered aircraft Sep. 6, 2011
8002216 Solar powered wing vehicle using flywheels for energy storage Aug. 23, 2011

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