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Class Information
Number: 244/226
Name: Aeronautics > Aircraft control > Pilot operated > Control system > Fluid
Description: Apparatus comprising a fluid pressure device for transmitting movement of the manually movable part of the movable structural part.










Sub-classes under this class:

Class Number Class Name Patents
244/227 With electric control 34


Patents under this class:

Patent Number Title Of Patent Date Issued
8478456 Variable bandwidth control actuation methods and apparatus Jul. 2, 2013
8276849 Apparatus for supporting instruments in an instrument panel Oct. 2, 2012
8240141 Hydraulic system protected from external impacts Aug. 14, 2012
8226049 Aircraft control surface methods Jul. 24, 2012
7913955 Aircraft control surface drive system and associated methods Mar. 29, 2011
7640743 Aircraft flight control user interface linkage system Jan. 5, 2010
7506842 Aircraft control surface drive system and associated methods Mar. 24, 2009
7059563 Systems, apparatuses, and methods for moving aircraft control surfaces Jun. 13, 2006
6685138 Augmenting flight control surface actuation system and method Feb. 3, 2004
6651930 Process and control system for an aircraft control surface actuated by multiple hydraulic jacks and with modular power Nov. 25, 2003
6625982 Electronically controlled hydraulic actuating system Sep. 30, 2003
6391225 Phosphate ester hydraulic fluids with improved properties (law935) May. 21, 2002
6298661 Energy efficient hydraulic motor control system Oct. 9, 2001
6209825 Low power loss electro hydraulic actuator Apr. 3, 2001
6206329 Process and device for the control of the rudder of an aircraft Mar. 27, 2001
6076767 Flight control surface actuation system Jun. 20, 2000
5722616 Conical rotary actuator and its application to the control of a rudder Mar. 3, 1998
5351914 Hydraulic control system for aircraft Oct. 4, 1994
5074495 Load-adaptive hybrid actuator system and method for actuating control surfaces Dec. 24, 1991
5033694 Attitude control device for air or sea transportation craft Jul. 23, 1991
4991800 Backdrive control system for aircraft flight control surfaces Feb. 12, 1991
4789119 System for controlling the high-lift flaps of an aircraft Dec. 6, 1988
4711089 Hydraulic system for aircraft Dec. 8, 1987
4704865 Hydraulic reserve system for aircraft Nov. 10, 1987
4688469 Fault detector for a triplexed mechanical or hydromechanical system Aug. 25, 1987
4651045 Electromagnetically interference-proof flight control device Mar. 17, 1987
4489907 Selectively integrated throttle spoiler actuator for aircraft Dec. 25, 1984
4403756 Bifurcated feel simulator for aircraft Sep. 13, 1983
4394999 Redundant or emergency steering mechanism especially for an aircraft Jul. 26, 1983
4272046 Hydraulic actuator mechanism to control aircraft spoiler movements through dual input commands Jun. 9, 1981
4177681 Apparatus for adjusting and locking a linear actuator Dec. 11, 1979
4150803 Two axes controller Apr. 24, 1979
4089494 Reduced servo noise control for a hydraulic actuator May. 16, 1978
4079906 Servo-control device for controlling a control surface of an aircraft Mar. 21, 1978
4075930 Pneumatic actuator system and method Feb. 28, 1978
3965798 Adaptive actuator system Jun. 29, 1976
3955783 Hydraulic actuating arrangement for aircraft control surfaces May. 11, 1976











 
 
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