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| Number | Title | Issue Date |
| 8167241 | System for opening and closing the flap of a casing for the landing gear of an aircraft A system for opening and closing the flap of a casing for the landing gear of an aircraft includes a mechanical connection between the landing gear and the flap. The connection includes a first connecting rod which is fixed to the landing gear, and a second connecti... | 05/01/2012 |
| 8087610 | Aircraft shock strut having fixed upper bearing An aircraft shock strut includes a cylinder and a piston movable within the cylinder. A lower bearing and an upper bearing provide sliding engagement between the cylinder and the piston. The upper bearing is fixed to the cylinder and provides sliding engagement with... | 01/03/2012 |
| 8070094 | Aircraft landing gear actuator A landing gear system that includes a landing gear strut rotatable between stowed and deployed positions. An actuator is connected to the landing gear strut, and includes main and emergency drives housed within a common body and operable independently from one anoth... | 12/06/2011 |
| 8061654 | Locking system A locking system, in particular a locking system for aircraft landing gears. A space-saving, simple construction and little maintenance requirement of the locking system is achieved by at least one electromechanical drive unit, whose torque is transmitted to a drive... | 11/22/2011 |
| 8038096 | Aircraft landing gear assembly An aircraft landing gear assembly comprises a four bar linkage arranged to be pivotably attached to an aircraft fuselage and movable between a deployed position and a retracted position, wherein when in the retracted position at least a first portion of the landing ... | 10/18/2011 |
| 7798444 | Landing gear system and load distribution In one embodiment, an aircraft comprises a plurality of hoop frame support members and a landing gear enclosure comprising a curved surface. The plurality of hoop frame support members abut against and extend over the curved surface to provide support to the landing... | 09/21/2010 |
| 7621481 | Decoupled steering/planing air vehicle nose landing gear A landing gear assembly comprises a landing gear strut assembly further comprising a landing gear strut having a longitudinal axis and extending from an inboard end to an outboard end capable of attaching to a wheel, and a landing gear housing. The landing gear hous... | 11/24/2009 |
| 7578466 | Mechanism for reducing heat generation in a joint The invention relates to mechanisms for reducing heat generation in a pivot joint, and to methods for their use. The mechanism may be designed to average relative velocities of a pin with respect to velocities of first and second members joined by the pin. The mecha... | 08/25/2009 |
| 7475849 | Methods and systems for operating aircraft landing gears Methods and systems for performing landing gear operations. In one embodiment, a method for retracting a landing gear is useable with an aircraft having a gear door that at least partially covers a gear well when the landing gear is extended. The method can include ... | 01/13/2009 |
| 7429019 | Auxiliary nose undercarriage, a force-transmission structure, and a rotary wing aircraft A steerable auxiliary nose undercarriage (2) for a rotary wing aircraft (1); the undercarriage (2) being retractable substantially rearwards. In the undercarriage (2), an oscillating system (13) presents a elevation stroke (58 | 09/30/2008 |
| 7426983 | Landing gear strut damper, and landing gear with independent struts comprising same A damper for an airplane landing gear leg comprises a main strut (11) and a rod piston (13) co-operating with the strut (11) to define a main chamber (15) and annular chamber (16) for hydraulic fluid, and presenting internally two ... | 09/23/2008 |
| 7407134 | Auxiliary nose undercarriage, a force-transmission structure, and a rotary wing aircraft A steerable auxiliary nose undercarriage (2) for a rotary wing aircraft (1); the undercarriage (2) being retractable substantially rearwards. In the undercarriage (2), an oscillating system (13) presents a elevation stroke (58 | 08/05/2008 |
| 7338012 | Landing gear door with controlled kinematic control An aircraft landing gear door comprises a rigid one-piece panel (14), hinged onto the aircraft structure by arms (18). The panel (14) is installed such that it pivots on the arms (18) in order to prevent any risk of contact between the pa... | 03/04/2008 |
| 7178759 | Hinged door for aircraft landing gear The door comprises a panel (14) formed from two rigid parts (14a, 14b) hinged to each other edge to edge. A first part (14a) of these two parts is connected to the aircraft structure through a pivot pin (20) an... | 02/20/2007 |
| 7175134 | Hydraulic damper for shimmy of aircraft landing gear A hydraulic system for steering an aircraft while taxiing selectively applies pressurized fluid to different ports of a hydraulic motor to turn a landing gear wheel either left or right. Shimmy of the landing gear attached to the wheel is dampened by a device that i... | 02/13/2007 |
| 6974108 | Lower bearing for aircraft landing gear An improved split bearing for use with an aircraft landing gear assembly is disclosed. The split bearing includes first and second semi-cylindrical sleeve components adapted for installation in surrounding relation with the piston tube of a hydraulically actuated la... | 12/13/2005 |
| 6948683 | Aircraft landing gear An aircraft landing gear includes a leg having a strut receiving a telescopic rod to slide on a sliding axis, the strut being hinged to an aircraft structure and being capable of pivoting about a pivot axis that is highly offset from the sliding axis. The landing ge... | 09/27/2005 |
| 6942182 | Forward inboard retracting main landing gear An aircraft landing gear is movable between a retracted position and an extended position. The aircraft landing gear comprises a nonfolding, nonhinged shock strut that extends along a shock strut axis from a proximal end to a distal end and remains at an essentially... | 09/13/2005 |
| 6938416 | Aircraft with shape memory alloys for retractable landing gear Aircraft that use a shape memory alloy to extend or retract landing gear are provided. The present invention includes aircraft that contain a first retractable landing gear and a first shape memory alloy. The first retractable landing gear in the aircraft may be mov... | 09/06/2005 |
| 6811118 | Latch device, in particular for latching an airplane landing gear or an airplane landing gear hatch A latch device, in particular for latching an airplane landing gear or an airplane landing gear hatch, the device comprising a box containing a set of hinged elements mounted to pivot about respective parallel axes, said assembly including at least one hook and a lo... | 11/02/2004 |
| 6805320 | Aircraft landing gear with highly offset strut pivot axis An aircraft landing gear includes a leg having a strut receiving a telescopic rod to slide on a sliding axis, the strut being hinged to an aircraft structure and being capable of pivoting about a pivot axis that is highly offset from the sliding axis. The landing ge... | 10/19/2004 |
| 6796124 | Shape memory alloy actuators for aircraft landing gear Shape memory alloy actuators for aircraft landing gear are provided. In one embodiment a retractable aircraft landing gear system is provided. This embodiment includes a shape memory spring strut having a first end and a second end wherein the shape memory spring st... | 09/28/2004 |
| 6464168 | Landing gear A landing gear system for an aircraft comprising a pair of legs, each having a wheel at a distal end, a pivot point associated with each leg for allowing each leg to follow an arc-shaped path between a deployed position and a retracted position, one of th... | 10/15/2002 |
| 6450448 | Airplane wheel unit A drive unit for a wheel of an airplane landing gear includes a pneumatic motor having a first impeller which is driven by pneumatic energy of compressed air and a second impeller which is turned by the expanded exhaust from the first impeller. These impe... | 09/17/2002 |
| 6367253 | Shape memory alloy actuators for aircraft landing gear Shape memory alloy actuators for aircraft landing gear are provided. In one embodiment a retractable aircraft landing gear system is provided. This embodiment includes a shape memory spring strut having a first end and a second end wherein the shape memor... | 04/09/2002 |
| 6345787 | Aircraft landing gear An aircraft landing gear comprises four mounting members 14, 15, 18, 19 attached to an airframe of the aircraft via attachments 14a, 15a, 16a. One of the attachments 16a is in the form of a leaf spring 30 which can flex upwards and downwards but is non-di... | 02/12/2002 |
| 6227494 | Deployable spacecraft lander leg system and method A spacecraft is disclosed. In one embodiment the spacecraft includes a space travel vessel with landing gear. The landing gear include a plurality of landing leg assemblies. Each landing leg assembly includes a main leg assembly which is pivotally interco... | 05/08/2001 |
| 6173920 | Very large aircraft landing gear having eight wheel truck Very large aircraft landing gear using single mounted eight wheel bogie on dual shock struts. A primary or main two-stage shock absorber and a semi-articulating secondary or auxiliary single-stage shock absorber, each of which are mounted using the second... | 01/16/2001 |
| 6164589 | Centerline landing gear for aerocraft A partially buoyant aircraft capable of transporting very large cargo payloads comprises a lifting body with an exterior airfoil configuration that includes internal structural support members for an exterior skin, the skin defining an internal volume for... | 12/26/2000 |
| 6059228 | Hydraulic system A hydraulic system for retracting into and extending out of the body of an aircraft a landing gear for use in taking off and landing, comprises a housing unit which has a hydraulic pump, a hydraulic actuator, a shuttle valve, an emergency valve, an actuat... | 05/09/2000 |
| 6016995 | Aircraft nose landing gear An aircraft nose landing gear installation that utilizes a single piece pin inserted through the gear fittings and into the two piece, fail safe support structure without requiring mechanical retention on the outside of the wheel well.... | 01/25/2000 |
| 5875994 | Landing gear operator An operator for lowering and retracting two or more landing gear on an aircraft with a single motor. The output of the motor is modified by a reduction gear assembly, then rotates a drive shaft of each drive, there being one drive for each landing gear as... | 03/02/1999 |
| 5839692 | Splayable aircraft nose landing gear Landing gear (10) for an airplane including an elongate strut (12) having a first end and a second end longitudinally spaced therefrom. The first end of the strut being pivotally attached to the airplane for pivotal movement of the strut between an extend... | 11/24/1998 |
| 5743491 | Very large aircraft landing gear having eight wheel truck Very large aircraft landing gear using single mounted eight wheel bogie on dual shock struts. A primary or main two-stage shock absorber and a semi-articulating secondary or auxiliary single-stage shock absorber, each of which are mounted using the second... | 04/28/1998 |
| 5732906 | Nose landing gear assembly for a catapult launched airplane A nose landing gear assembly for an airplane which can be launched with catapult assistance. The landing gear assembly includes a nose strut, upper drag link, lower drag link, launch bar and launch bar actuator. When the nose shut is in the extended posit... | 03/31/1998 |
| 5482228 | Landing gear assembly for airplane A nose landing gear assembly on an airplane with a front fuselage section having a wheel bay defined therein and a pair of laterally spaced side compartments defined therein on each side of the wheel bay by respective laterally spaced side walls. A nose l... | 01/09/1996 |
| 5460340 | Auxiliary control of aircraft landing gear movement Auxiliary control of extension, retraction and pivotal movement of aircraft landing gear when not in use is provided by a method of operation, apparatus for attaching to the landing gear, and an assembly comprising landing gear and apparatus. The apparatu... | 10/24/1995 |
| 5337976 | Raisable landing gear for heavier-than-air aircraft, in particular for helicopters The invention relates to raisable landing gear including a shock absorbing leg that is pivotally mounted, and to a driving actuator associated therewith. According to the invention, the leg is implemented in the form of two elements that are hinged to eac... | 08/16/1994 |
| 5269481 | Raisable landing gear fitted with a hinged side-brace having two alignments The invention relates to raisable landing gear including a shock absorber having a strut and a sliding rod, together with a two-alignment hinged side-brace. According to the invention, unlocking means are provided to break the secondary alignment, thereby... | 12/14/1993 |
| 5263664 | Raisable landing gear The invention relates to raisable landing gear having a shock absorber strut and a sliding rod. According to the invention, the landing gear includes a lateral stabilizer hinged to the strut and fitted with a wheel at its free end, together with mechanica... | 11/23/1993 |
