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Class Information
Number: 244/227
Name: Aeronautics > Aircraft control > Pilot operated > Control system > Fluid > With electric control
Description: Apparatus wherein electric control circuitry is utilized for the regulation of the fluid power device.










Patents under this class:

Patent Number Title Of Patent Date Issued
8548721 Method and system for maneuvering an aircraft by shifting its center of gravity Oct. 1, 2013
8511621 Device for piloting a craft having an electromagnetic actuator Aug. 20, 2013
8500064 Hybrid power system architecture for an aircraft Aug. 6, 2013
8401716 Flight control systems Mar. 19, 2013
8245979 Centralized bus interface with single wire secondary distribution Aug. 21, 2012
7828245 Dual motor dual concentric valve Nov. 9, 2010
7600715 Local backup hydraulic actuator for aircraft control systems Oct. 13, 2009
7007897 Flight control actuation system Mar. 7, 2006
6827311 Flight control actuation system Dec. 7, 2004
6772054 Device for operating a controlled member on a rotary-wing aircraft, particularly a helicopter Aug. 3, 2004
6675076 System, autopilot supplement assembly and method for increasing autopilot control authority Jan. 6, 2004
6505115 Device for controlling a system for monitoring the environment of an aircraft, in particular of a transport aircraft Jan. 7, 2003
6325333 Aircraft pitch-axis stability and command augmentation system Dec. 4, 2001
6241182 Hybrid control system for an aircraft aerodynamic surface Jun. 5, 2001
6206329 Process and device for the control of the rudder of an aircraft Mar. 27, 2001
5908177 Flight control system Jun. 1, 1999
5806805 Fault tolerant actuation system for flight control actuators Sep. 15, 1998
5791596 Process and device for the control of the rudder of an aircraft Aug. 11, 1998
5374014 System for control of an aerodynamic surface of an aircraft Dec. 20, 1994
5319296 Oscillatory servo-valve monitor Jun. 7, 1994
5109672 Method and apparatus for cooling and replenishing aircraft hydraulic actuators May. 5, 1992
5082208 System and method for controlling an aircraft flight control member Jan. 21, 1992
5033694 Attitude control device for air or sea transportation craft Jul. 23, 1991
4863337 Control system for working machine having boom Sep. 5, 1989
4800798 Control surface dual redundant servomechanism Jan. 31, 1989
4762294 Elevator control system especially for an aircraft Aug. 9, 1988
4759515 Drive control for a vertical rudder of an aircraft Jul. 26, 1988
4667472 Electric integrated actuator with variable gain hydraulic output May. 26, 1987
4580210 Control system having variably biased manipulatable unit Apr. 1, 1986
4403756 Bifurcated feel simulator for aircraft Sep. 13, 1983
4313165 Force feel actuator with limited proportional/integral error feedback Jan. 26, 1982
4150803 Two axes controller Apr. 24, 1979
3960348 Aerodynamic surface control feel augmentation system Jun. 1, 1976
3949958 Pitch control system Apr. 13, 1976











 
 
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