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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Derrien; Michel
Address:
Versailles, FR
No. of patents:
34
Patents:




Patent Number Title Of Patent Date Issued
6948683 Aircraft landing gear September 27, 2005
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 gear further includes
6805320 Aircraft landing gear with highly offset strut pivot axis October 19, 2004
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 gear further includes
5478030 Laterally-raisable aircraft landing gear December 26, 1995
The invention relates to aircraft landing gear of the type that is laterally-raisable and that has twin wheels in a side-by-side configuration. According to the invention, the leg is constituted by an upside-down L-shaped strut whose two branches are hinged together, comprising a bea
5429323 Raisable undercarriage, in particular for a heavy transport aircraft July 4, 1995
The invention relates to a raisable undercarriage comprising a hinged leg and associated bracing means. According to the invention, the undercarriage is of the leg-shortening type, and the bracing means are organized in the form of a foldable brace having its bottom arm hinged to bot
5362015 Device for steering the wheels at the bottom end of an aircraft landing gear leg November 8, 1994
The strut of the leg has a lateral extension on its outside above the rotary sleeve, the cylinder of a steering actuator is suspended from the lateral extension by means of a universal joint, the end of the rod off said actuator is hinged to a lateral steering lug of the rotary sleeve.
5360185 Linear actuator, in particular for driving an aircraft landing gear leg November 1, 1994
A linear actuator, in particular for driving an aircraft landing gear leg, the actuator comprising a main body with a screw that is prevented from moving axially and that is constrained to rotate with a coaxial gear wheel that meshes with the outlet gear wheel of a driving motor and gear
5356162 Retractable running gear for a vehicle that is supported without contact October 18, 1994
The running gear comprises a tilting beam having one end hinged to the vehicle about a tilt pin and supporting a rotary axle for at least one wheel, a blade spring having a first end fixed to the vehicle and a second end hinged to a first end of a shock absorber having a second end hinge
5337976 Raisable landing gear for heavier-than-air aircraft, in particular for helicopters August 16, 1994
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 each other about an axis parallel to
5324065 Suspension assembly for a heavy vehicle, in particular for a tracked vehicle June 28, 1994
The invention relates to an oscillating arm suspension assembly for a heavy vehicle, in particular for a track vehicle. According to the invention, the oscillating arm comprises a housing receiving firstly a shock absorber of the type in which a semi-solid elastomer is hydrostatically co
5310140 Shock absorber for an aircraft landing gear leg May 10, 1994
The invention relates to a shock absorber for a landing gear leg, the shock absorber being of the type comprising a cylinder and a sliding rod, and including a disk that delimits a lower hydraulic fluid chamber which communicates via a diaphragm with an upper hydraulic fluid chamber
5310139 Shock absorber for aircraft landing gear May 10, 1994
The invention relates to a shock absorber of the type comprising a cylinder and a sliding rod, together with a moving disk that defines a bottom hydraulic chamber that communicates via a diaphragm with a top hydraulic fluid chamber that is adjacent to a pressurized gas chamber formed in
5294077 Shock-absorbing actuator for fitting to landing gear of heavier-than-air aircraft, in particular March 15, 1994
The invention relates to a shock-absorbing actuator including a cylindrical body and a hollow rod having an annular piston. The cylindrical body includes a separator piston delimiting two hydraulic fluid chambers, one of which communicates via a distributor valve with the hydraulic circu
5288037 Catch device for locking aircraft landing gear in the raised position February 22, 1994
The invention relates to a catch device of the type comprising a main casing that houses a hinge hook and a locking lever having one branch carrying a thrust wheel that co-operates with the hook and having its other branch connected by means of a linkage to the outlet from a driving
5279480 Shock absorber for use in lowering aircraft landing gear January 18, 1994
The invention relates to a shock absorber comprising a main body and a rod-piston, with the rod-piston being retracted when the landing gear is down and extended when the landing gear is up. The main body comprises, in succession, three chambers that are separated by associated partition
5271314 Raisable anti-crash shock absorber December 21, 1993
The shock absorber comprises a strut, a sliding rod slidably mounted relative to the strut and co-operating therewith to define both a shock absorbing chamber and a raising chamber which is connected to a member for feeding it with raising liquid, a dip tube defining a lowering chamber a
5269481 Raisable landing gear fitted with a hinged side-brace having two alignments December 14, 1993
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 breaking the main alignment whil
5263664 Raisable landing gear November 23, 1993
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 mechanical coupling means associated with
5219152 Adjustable-stroke spring and shock absorber device June 15, 1993
In the preferred embodiment, the device comprises a body, a sliding rod mounted to slide inside the body, and a control rod including both compression and expansion end-of-stroke abutments associated with a control piston for displacing the control rod to a position which is retracte
5207398 Device for locking a support for steerable wheels May 4, 1993
The locking device of the invention comprises a locking device mounted to pivot relative to a beam and having ends associated with an axle to lock the axle in a first position of the locking device and to release the axle by the locking device pivoting towards a second position, together
4984755 Aircraft landing gear having wheels that swivel while the landing gear is being retracted January 15, 1991
The landing gear of the invention comprises a strut in which a sliding rod slides, the strut and the sliding rod are connected to each other by a scissors linkage having a top branch and a bottom branch which are connected to each other by articulated means capable of moving between a
4948069 Device for steering the nose wheel train of an aircraft landing gear August 14, 1990
A device for steering the wheels fitted to the bottom end of the leg (1) of the nose landing gear of an aircraft, the wheels being steered about the axis of the leg, the leg (1) comprising a strut (2) hinged to the structure of the aircraft, a tube (4) mounted to rotate inside the strut
4907761 Mechanism for controlling a catapult bar March 13, 1990
A control mechanism according to the invention comprises a crank (13) constrained to rotate with the catapult bar (10), a catapult bar linkage comprising a link (14) and a lever (16) which are hinged to each other, and having a first end hinged to the crank (13) at a point distant from
4892270 Rocking beam landing gear January 9, 1990
Landing gear comprising a pivoting strut (1) receiving the rod of a shock absorber (2) which projects downwardly from the strut and is movable in an axial direction (3) relative thereto, a rocking beam (4) mounted to tilt at the bottom end of the shock absorber rod (2) and supporting lea
4886248 Rapid extension shock absorber, in particular for carrier-based aircraft December 12, 1989
A shock absorber comprising a strut (1), a sliding rod (3) mounted to slide inside the strut, at least one gas chamber (13, 17) under pressure, an oil chamber (6) associated with the gas chamber, and an expansion chamber (5) connected to the oil chamber via expansion throttling valve (8)
4805882 Shock absorber with adjustable residual stroke February 21, 1989
The present invention relates to shock absorbers including a rod slidable in a cylinder and a piston for determining at least two variable volume chambers, one of the two chambers including a first resilient member at a first pressure, and the other chamber containing a second resilient
4749152 Aircraft undercarriage of tilting-beam type and of reduced bulk June 7, 1988
The present invention is concerned with tilting-beam undercarriages.The undercarriage is characterized in that the shock absorber means (7) comprise a hollow cylinder (11) entered by a plunger stem (14) at its first end (12) and by a piston (18) at its second end, while the hollow cylind
4630788 Aircraft landing gear, in particular for helicopters December 23, 1986
The landing gear comprises: a rod including nested first and second tubes between which there slides a cylinder whose outer end supports a running gear; a strut surrounding the top of the rod and including a steering mechanism cooperating with a rotary tube disposed between the rod and t
4586682 Landing gear for an aircraft structure May 6, 1986
The low portion (9) of a landing gear strut (3) carrying running means such as a wheel (8) is capable of swivelling together with the running means relative to the strut. A system of cranks (17) receives the necessary force for swivelling the wheel during retraction and extension of the
4556179 Aircraft landing gear December 3, 1985
The present invention relates to landing gear. The landing gear has a strut (2) having one end pivotally mounted about a first axis (4) suitable for connection to the structure (1) of an aircraft. A lower portion (6) for supporting running gear (10) is pivotally mounted relative to said
4540142 Nose-wheel type landing gear for aircraft September 10, 1985
The landing gear comprises a shock absorber (4) having a rod (6) slidable in a cylinder (6), a wheel (12) linked to the cylinder, a guide sheath (14) surrounding the shock absorber (4), releasably engageable means (17) for fixing the cylinder at least in rotation relative to the guide sh
4422604 Fuselage landing gear with tandem wheels December 27, 1983
The landing gear for aircraft comprises at least two rocker beams respectively carrying wheels, the rocker beams being connected rigidly and respectively to two points of the rigid structure of the aircraft, each rocker beam being connected to two other rigid points of the aircraft s
4422603 Landing gear for aircraft December 27, 1983
The present invention relates to landing gears retractable between two positions.The landing gear includes essentially a lever (14 ) mounted rotatably around an axis (5), a rocker beam (7) mounted rotatably on the same axis (5), a strut (21) including two links (22,23) pivoting in relati
4402477 Tandem type landing gear September 6, 1983
The present invention relates to landing gears. The landing gear includes essentially two legs (1, 2) comprising respecitvely two arms (10, 28) and two rocker beams (3, 24), a bar (21) forming with the two arms (10, 28) a deformable parallelogram, a strut (37) consisting of two levers (2
4396170 Landing gear for aircraft August 2, 1983
The invention concerns a landing gear. The landing gear is characterized essentially by the fact that it comprises at least one shock absorber (15), this shock absorber being mounted in the leg (1) and casing (2) assembly by means of two convex surfaces (22, 31) made on the cylinder


 
 
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