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In yet another embodiment, an actuation system includes a plurality of electromechanical actuators, a plurality of master hydraulic actuators, a first manifold, a second manifold, a plurality of first supply/return conduits, a plurality of second supply/return conduits, a slave hydraulic actuator, and a control. Designing flight control systems to meet such design standards can be relatively costly and complex when trying to implement an electromechanical type system. At the same time, these systems should be designed to prevent a very highly unlikely, yet postulated, common-mode failure that could result in loss of control. For example, the flight control system may need to withstand the postulated occurrence of an actuator becoming inoperable. No matter the particular type of system that is implemented (e.g., hydro-mechanical or electromechanical), the flight control system may need to be designed to withstand postulated, though unlikely, component inoperability. More recently, all or portions of these hydro-mechanical flight control systems are being retrofitted or replaced with electromechanical systems. In many aircraft, including both fixed-wing aircraft and rotary-wing aircraft, the flight control system may be a hydro-mechanical system, which may include relatively complex hydraulic plumbing and various hydraulic actuators.
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F15B15/088- Characterised by the construction of the motor unit the motor using combined actuation, e.g.F15B15/08- Characterised by the construction of the motor unit.F15B15/00- Fluid-actuated devices for displacing a member from one position to another Gearing associated therewith.B64C27/68- Transmitting means mechanical using electrical energy.B64C27/64- Transmitting means mechanical using fluid pressure.B64C27/59- Transmitting means mechanical.B64C27/54- Mechanisms for controlling blade adjustment or movement relative to rotor head, e.g.B64C27/00- Rotorcraft Rotors peculiar thereto.F15B7/00- Systems in which the movement produced is definitely related to the output of a volumetric pump Telemotors.SERVOMOTORS DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR F15B- SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL FLUID-PRESSURE ACTUATORS, e.g.F15- FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL.F- MECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING.125000004122 cyclic group Chemical group 0.000 description 5.239000012530 fluid Substances 0.000 claims abstract description 77.Assignors: WILKENS, DEAN, HANLON, CASEY Publication of US20100089053A1 publication Critical patent/US20100089053A1/en Status Abandoned legal-status Critical Current Links ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). reassignment HONEYWELL INTERNATIONAL INC. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by Honeywell International Inc filed Critical Honeywell International Inc Priority to US12/250,353 priority Critical patent/US20100089053A1/en Assigned to HONEYWELL INTERNATIONAL INC. Original Assignee Honeywell International Inc Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Abandoned Application number US12/250,353 Inventor Casey Hanlon Dean Wilkens Current Assignee (The listed assignees may be inaccurate.
HYDROMECHANICAL FLIGHT CONTROL SYSTEM PDF
Google Patents Hybrid electromechanical/hydro-mechanical actuation control systemÄownload PDF Info Publication number US20100089053A1 US20100089053A1 US12/250,353 US25035308A US2010089053A1 US 20100089053 A1 US20100089053 A1 US 20100089053A1 US 25035308 A US25035308 A US 25035308A US 2010089053 A1 US2010089053 A1 US 2010089053A1 Authority US United States Prior art keywords actuator hydraulic hydraulic actuator master slave Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US20100089053A1 - Hybrid electromechanical/hydro-mechanical actuation control system US20100089053A1 - Hybrid electromechanical/hydro-mechanical actuation control system