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Class Information
Number: 244/60
Name: Aeronautics > Aircraft power plants > Transmission of power
Description: Gearing and other means peculiar to aircraft for transmitting power from a power plant to a driven element.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8690100 Gyroplane Apr. 8, 2014
8684303 Gas turbine engine compressor arrangement Apr. 1, 2014
8615980 Gas turbine engine with noise attenuating variable area fan nozzle Dec. 31, 2013
8591136 Non-rotating universal joint for a helicopter drive unit Nov. 26, 2013
8590833 Constant-velocity drive system for gimbaled rotor hubs Nov. 26, 2013
8590829 System, floating unit and method for elevating payloads Nov. 26, 2013
8567713 Lift fan clutch Oct. 29, 2013
8523627 Model helicopter with improved reduction gear mechanism Sep. 3, 2013
8511604 Gas turbine engine with low stage count low pressure turbine Aug. 20, 2013
8490924 Arrangement and method for launching counter-measures 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
8448895 Gas turbine engine compressor arrangement May. 28, 2013
8430354 Flight control system for an aircraft Apr. 30, 2013
8402740 Aircraft propulsion unit in multi-fan design Mar. 26, 2013
8376269 Hydraulic valve, a hybrid helicopter provided with such a hydraulic valve, and a method implemented by the hydraulic valve Feb. 19, 2013
8336815 Constant-velocity drive system for gimbaled rotor hubs Dec. 25, 2012
8322649 Saucer-shaped gyroscopically stabilized vertical take-off and landing aircraft Dec. 4, 2012
8303208 Locknut assembly for a coaxial shaft Nov. 6, 2012
8276840 Fail-operational multiple lifting-rotor aircraft Oct. 2, 2012
8256709 Aircraft with tail propeller-engine layout Sep. 4, 2012
8152096 Apparatus and method for vertical take-off and landing aircraft Apr. 10, 2012
8096497 Power assembly and a coaxial twin propeller model helicopter using the same Jan. 17, 2012
8061650 Automatic control systems for aircraft auxiliary power units, and associated methods Nov. 22, 2011
7975465 Hybrid engine accessory power system Jul. 12, 2011
7967239 Rotor drive and control system for a high speed rotary wing aircraft Jun. 28, 2011
7914383 Mechanical transmission system with a magnetic damper for a rotorcraft Mar. 29, 2011
7905449 Multi-engine aircraft Mar. 15, 2011
7896287 Split torque geared power transmissions with composite output shafts Mar. 1, 2011
7891605 Automatic control systems for aircraft auxiliary power units, and associated methods Feb. 22, 2011
7886544 Propeller or propeller drive Feb. 15, 2011
7874513 Apparatus and method for vertical take-off and landing aircraft Jan. 25, 2011
7802757 Method and system for taxiing an aircraft Sep. 28, 2010
7784731 Transmission device for a twin-rotor helicopter Aug. 31, 2010
7752834 Aircraft propulsion systems Jul. 13, 2010
7694914 Propulsion system for model airplanes Apr. 13, 2010
7665689 Unconventional integrated propulsion systems and methods for blended wing body aircraft Feb. 23, 2010
7651050 Variable speed gearbox with an independently variable speed tail rotor system for a rotary wing aircraft Jan. 26, 2010
7581695 Aircraft with a modified gear, and method of producing the gear Sep. 1, 2009
7575192 Transmission system for use in microturbine-powered applications Aug. 18, 2009
7555893 Aircraft propulsion system Jul. 7, 2009
7510139 Rotor wing aircraft having a bypassable radial inflow turbine Mar. 31, 2009
7481396 Small-size high-speed transmission system for use in microturbine-powered aircraft Jan. 27, 2009
7413142 Split torque gearbox for rotary wing aircraft with translational thrust system Aug. 19, 2008
7406370 Electrical energy management system on a more electric vehicle Jul. 29, 2008
7377466 Propulsion system for miniature vehicles May. 27, 2008
7364116 Automatic control systems for aircraft auxiliary power units, and associated methods Apr. 29, 2008
7351174 Twin turbo-shaft engine with accessory gearbox drive means Apr. 1, 2008
7270296 Small-size high-speed transmission system for use in microturbine-powered aircraft Sep. 18, 2007
7011275 Internal spur gear drive Mar. 14, 2006

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