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Class Information
Number: 244/99.5
Name: Aeronautics > Aircraft control > Specific control connection or actuator > Fluid
Description: Subject matter in which the control connection includes a fluid system (e.g., hydraulic) that transmits forces to the controlled element through a fluid.










Sub-classes under this class:

Class Number Class Name Patents
244/99.6 Fluid pressure source arrangement 20
244/99.7 Nonlinear fluid actuator 6


Patents under this class:

Patent Number Title Of Patent Date Issued
8678694 Aircraft reaction link Mar. 25, 2014
8540188 Aircraft actuator hydraulic apparatus Sep. 24, 2013
8500063 Hydraulic apparatus for aircraft actuators Aug. 6, 2013
8490918 Hydraulic apparatus for aircraft actuators Jul. 23, 2013
8484962 System and method for the temperature regulation of a hydraulic fluid Jul. 16, 2013
8474486 Actuator system Jul. 2, 2013
8418955 Control system for a hydraulically actuatable horizontal stabilizer and test method for testing the integrity of a control system Apr. 16, 2013
8418956 Aircraft actuator hydraulic system Apr. 16, 2013
8269156 Guidance control system for projectiles Sep. 18, 2012
7837144 Fluid-driven artificial muscles as mechanisms for controlled actuation Nov. 23, 2010
7828245 Dual motor dual concentric valve Nov. 9, 2010
7108231 Adjustment mechanism for a variable-shape wing Sep. 19, 2006
7055782 Cellular actuator device and methods of making and using same Jun. 6, 2006
6827311 Flight control actuation system Dec. 7, 2004
6704624 Method and device for controlling an aircraft maneuvering components, with electrical standby modules Mar. 9, 2004
6685138 Augmenting flight control surface actuation system and method Feb. 3, 2004
6397590 Hydraulic warming system for use in low ambient temperature applications Jun. 4, 2002
6241182 Hybrid control system for an aircraft aerodynamic surface Jun. 5, 2001
6209825 Low power loss electro hydraulic actuator Apr. 3, 2001
6189837 Auxiliary spoiler retract system Feb. 20, 2001
5722616 Conical rotary actuator and its application to the control of a rudder Mar. 3, 1998
5538202 Hydraulic actuation system for aircraft control surfaces Jul. 23, 1996
5431015 Flexible bellows actuation system Jul. 11, 1995
4793576 Operating the control surfaces in aircraft Dec. 27, 1988
4793137 Control system Dec. 27, 1988
4789119 System for controlling the high-lift flaps of an aircraft Dec. 6, 1988
4738415 Hinge line flight actuator Apr. 19, 1988
4533097 Multi-motor actuation system for a power drive unit Aug. 6, 1985
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
3943968 Combination lock and relief valve for hydraulic systems Mar. 16, 1976











 
 
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