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JP4327390B2 |
The accumulators (5,105,205) are connected on each circuit in a number sufficient for feeding each pair of brakes, with each pair of brakes mounted on a particular landing gear unit, and with an electric pump (30,31) being used to mainta...
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JP2009528495A |
An actuator includes first and second linear motion devices, each able to extend the actuator and arranged such that jamming of one of the first and second linear motion devices does not preclude operation of the other. The first linear ...
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JP4299137B2 |
A lighter-than-air aircraft ( 1 ) having a gas-filled hull ( 2 ) and a pair of spaced apart landing gear units ( 11, 12 ) on the underside of the hull arranged on opposite sides of a longitudinally extending central vertical plane of the...
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JP2009523641A |
An aircraft shock strut includes a cylinder and a piston telescopically movable within the cylinder. A first bearing is mounted to one of the cylinder and the piston. The first bearing includes a support structure and a first bearing sur...
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JP4279930B2 |
An electrically actuated aircraft brake (11) and method for its servicing is characterized by the use actuator modules (36) which can be easily and quickly replaced as a unit. Quick and easy replacement of the actuator modules (36) can b...
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JP2009519160A |
A method and a device for redundantly supplying several electric servomotors or drive motors by a common power electronics unit, particularly in an aircraft, wherein the power electronics unit contains a number of electronic motor contro...
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JP4260959B2 |
Direct drive valves have been introduced into the braking system providing high performance when integrated into an aircraft braking system.
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JP2009078781A |
To provide a ground steering device and a method for an aircraft capable of highly accurately detecting a mechanical failure of the ground steering device of the aircraft and inhibiting the movement of the aircraft to an unexpected direc...
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JP2009514740A |
A crash attenuation system for an aircraft, the system having an airbag carried by the aircraft and inflatable generally adjacent an exterior of the aircraft. The airbag has at least one vent for releasing gas from the interior of the ai...
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JP2009067387A |
To provide a brake system, leg landing system and steering system for a moving body, suitable for weight reduction, miniaturization, energy saving, enhancement of responsiveness and reliability and improvement of maintainability of a sys...
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JP4240514B2 |
A groove (G) is provided to the rear of an inner wall (S) of a cylinder (10). A locking ram (50) capable of freely sliding in a radial direction and a cam rod (40) having a profile changing with a transition from the rear to the front fr...
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JP4240260B2 |
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JP2009035246A |
To accomplish float seaplanes (semi-boat seaplane or the like) having air resistance as small as possible (meaning good fuel economy) by appropriately newly creating or altering single or double float parts of the float seaplanes with (e...
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JP4213471B2 |
Annular substrates ( 20 ) are stacked in an enclosure where they define an inside volume ( 24 ) and an outer volume ( 26 ) outside the stack. A gas containing at least one precursor of a matrix material to be deposited within the pores o...
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JP2009005855A |
To surely hold a heavy load for changing a flight attitude and easily attach/detach and dispose/change it while little affecting on the external appearance and a flight stability.A skid 8 is formed with a groove part 9 being cut to guide...
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JP4205413B2 |
There is described an undercarriage (1, 1') for a helicopter, having a supporting structure (6) connectable to the fuselage (4) of the helicopter, a wheel (7) suspended from the supporting structure (6), and a shock absorbing member (8) ...
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JP2008545894A |
A composite material part is made by forming a fiber preform (20), forming holes (22) extending within the preform from at least one face thereof, and densifying the preform with a matrix formed at least in part by a chemical vapor infil...
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JP2008297567A |
To provide a method for manufacturing a long fiber reinforced metal-matrix composite material, by which manufacturing time can be greatly shortened and filling ratio of matrix metal among reinforcing fibers can be improved.This method fo...
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JP2008290704A |
To provide an unmanned air vehicle capable of performing vertical takeoff from and landing on inclined surfaces.Takeoff and landing modes are added to a flight control system of a Vertical Take-Off and Landing (VTOL) Unmanned Air Vehicle...
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JP2008543630A |
Self-leveling legs are used to accommodate landing a ducted fan hovercraft on a sloped surface such as a roof-top. These legs move to accommodate a variation of slope within their range of motion irrespective to the azimuth of the vehicl...
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JP2008254628A |
To reduce an impact to be applied to a wheel holding mechanism in grounding and tire wear, and to prevent adhesion of tire crumbs to a runway by fitting a movable blade to wheels of an aircraft.A wheel device for aircraft capable of conc...
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JP4155081B2 |
A vertical takeoff and landing apparatus is excellent in the maneuverability and postural stability of its airframe, serves to protect a pilot from an impact when landing, and can make extremely stable flight when hovering near a buildin...
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JP2008537527A |
An onboard system for use in measuring, computing and displaying the weight and center-of-gravity for aircraft, while keeping aircraft movement to a minimum. Pressure sensors are mounted in relation to each of the landing gear struts. A ...
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JP2008535734A |
An aircraft includes a rear vertical tail unit having two tail fins forming, with the rear part of a fuselage, a channel on the back of the fuselage. A turbine engine is arranged on the back of the fuselage so that gas streams generated ...
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JP4115783B2 |
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JP4102234B2 |
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JP4090198B2 |
The invention is in the field of hydraulic actuating devices for positioning aircraft landing gear components, and more particularly relates to a dual mode positioner for an aircraft landing gear axle beam. The dual mode positioner serve...
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JP4077073B2 |
The adaptive brake application and initial skid detection system allows rapid brake application and prevents deep initial skids. Brake pressure is compared with a predetermined threshold brake pressure. Wheel velocity error signals are a...
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JP2008510944A |
A brake for a vehicle wheel which is mounted in such a way that it can be rotated in relation to a wheel support, the brake including a frame which is fixed to the wheel support, and additional mobile and fixed friction elements. The inv...
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JP4060464B2 |
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JP2008049999A |
To provide an aircraft tire condition monitoring system eliminating defects of conventional technologies.The aircraft tire condition monitoring system includes a reader mounted in the fuselage of an aircraft and an antenna defining a per...
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JP2008505790A |
In a commercial aircraft with a main deck (2) and a lower deck (5, 6), at least one passenger cabin (16, 16′) is also provided on the lower deck. The fuselage diameter lies on the order of a wide-body aircraft, and an energy-absorbing ...
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JP2008037416A |
To provide an aircraft brake system providing reliable redundancy and capable of preventing accidental braking.The electric brake system architecture for an aircraft with two or more electrical braking subsystems including brake system c...
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JP4050885B2 |
An aircraft wheel support mechanism capable of reducing the impact to the tire at the time of landing and capable of reducing the impact to the tire at the time of the wheel colliding with an obstacle lying on the runway. The mechanism c...
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JP2008014723A |
To provide a history management apparatus for managing the history of an object, a subassembly for the landing gear of a flying object, and its operation management method by a simple configuration and procedures.In place of a convention...
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JP4001753B2 |
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JP2007245925A |
To suppress an impact applied to a part of a landing mechanism when an attitude of a vertical taking off/landing machine is inclined to the ground in the landing of the vertical taking off/landing machine in which a plurality of landing ...
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JP2007237934A |
To develop an aircraft leg in structure free to be down-unlocked on the ground and to be down-locked in landing. This aircraft leg 1 has a main support member 2 and a support member 3, the support member is furnished with an upper part s...
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JP2007230352A |
To provide a landing gear of an aircraft which is down-unlocked on the ground while down-locked in a landing mode. The landing gear 1 of the aircraft has a main pillar member 2 and a supporting member 3. The supporting member comprises a...
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JP2007223491A |
To provide an aircraft recovering method capable of easily installing a net for recovering an aircraft in the air, and preventing the recovered aircraft from being detached and fallen from the net. An aircraft recovering device having a ...
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JP2007223492A |
To solve the problem of a conventional aircraft recovering net that a sturdy and large structure such as a stay must be installed, and the possibility of the aircraft captured by the recovering net being detached from the net and fallen ...
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JP2007219359A |
To provide a fluid sound reducing device, having endurance of use in a long time and easy in maintenance by reducing fluid sound generated at an opening part. In a structure 1 provided with the opening part 1a on a surface by possessing ...
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JP3965452B2 |
A wheel arrangement includes a wheel having a sensor for measuring pressure in the tyre; a spindle, about which the wheel is rotatably mounted with the aid of bearings around the spindle, and of communication elements between the sensor ...
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JP3963293B2 |
To provide a pilotless helicopter, for example, having a floating body installed on the lower portion of the body of the helicopter for leaving, landing or sailing on the water as well as prevent damage of a tail rotor in rotation while ...
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JP3961248B2 |
To provide a steering actuator system capable of reducing weight of an aircraft more than conventional weight when mounted on the aircraft, and capable of easily adjusting an operation characteristic. This steering actuator system 100 ha...
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JP2007186087A |
To provide a lightweight folding storage type aircraft leg at a low manufacturing cost.A shock absorber 30 is combined with a folding type leg pillar 20 having a joint part 21 at an intermediate part. At folding storage of the leg pillar...
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JP3949833B2 |
To facilitate the installation of a carrying device without using a separate fitting member by providing an engagement part of the carrying device with a pivotal support part to be pivotally supported by a support part provided in a skid...
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JP3940645B2 |
To enhance the workability of manually lighting up and down a landing gear during the ground maintenance or during an emergency landing gear lowering mode by automatically operating a bypass valve in an alighting gear for aircraft. An al...
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JP2007155130A |
To provide an electromechanical aircraft brake comprising a support 7 carrying at least one electromechanical actuator 8.In this electromechanical brake comprising a pusher 13 being axially displaceable towards friction elements in order...
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JP2007145317A |
To avoid trouble in landing of an aircraft and the difficulty in securing an airport in the vicinity of a big city since the environmental problem such as noise becomes serious in response to an enlargement of the aircraft.This taking of...
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