| Patent Number |
Title Of Patent |
Date Issued |
| D481873 |
Surface configuration of a seat |
November 11, 2003 |
|
| 7463183 |
Panoramic warning system for helicopters |
December 9, 2008 |
| A panoramic warning system for helicopters, for the purpose of detecting obstacles and the proximity of the ground by using a plurality of radar sensors connected to the fuselage structure of the helicopter and which operate on varying wavelengths, the signals of which, representing rang |
| 7384238 |
Rotor, rotocraft comprising a rotor of this type and method for adjusting the blade angle of a r |
June 10, 2008 |
| A rotor, in particular for a rotorcraft, encompassing: a rotor head, at least one rotor blade, and a rotor-head-end rotor-blade connector having an integral, bearingless, centrifugal-force-controlled blade angle adjustment device. A rotorcraft, in particular a helicopter, in particul |
| 7296975 |
Twist element for a bearingless rotor |
November 20, 2007 |
| A twist element for a bearingless rotor is made mostly of composite fiber material and has a cross section with a substantially symmetric, flattened shape that has approximately the contour of a horizontal, central section of a double cone. In addition, a bearingless rotor having at |
| 7275913 |
Rotor and gyrocopter with said rotor |
October 2, 2007 |
| A rotor, comprising at least one rotor blade connectable to a rotor head, which rotor blade possesses a blade neck having a virtual flapping hinge in the form of a flexurally soft, flexurally elastic blade-neck portion, there being provided, in a blade-connector region of the blade neck, |
| 7270516 |
Non-articulated rotor and rotorcraft comprising a rotor of this type |
September 18, 2007 |
| A hingeless rotor, in particular for a rotorcraft, comprising: a rotor head, a rotor mast having a rotor axis, a torque-transmission element nonrotatably joined to the rotor mast, at least one rotor blade, and a rotor-head-side rotor-blade connector having a centrifugal-force-dischar |
| 7247974 |
Rod-shaped high-stress active connection element as well as rotorcraft having such a connection |
July 24, 2007 |
| Active connection element for connecting at least two structural components with a first end with a first connection area assigned to the first structural component and a second end with a second connection area assigned to the second structural component, a load-diminishing intermed |
| 7226272 |
Hingeless rotor provided with plate-shaped rotor head element and a rotorcraft provided with sai |
June 5, 2007 |
| The invention relates to a rotor comprising a rotor shaft, a rotation torque transmission element which is mounted thereon and at least one element of the plate-shaped rotor head whose axis of rotation extends therethrough. Said rotor is provided with two groups of different arms. Th |
| 7207778 |
Rotor as well as rotary-wing aircraft with a rotor |
April 24, 2007 |
| A rotor, especially for a rotary-wing aircraft, with a rotor mast and one or more adjustable rotor blades includes a rotor blade adjustment device without a swash plate and arranged on a carrier device that automatically rotates synchronously with the rotor blades, the rotor blade adjust |
| 7195285 |
Connection arrangement to connect two flexible tanks of an aircraft |
March 27, 2007 |
| A connection arrangement for detachably connecting a first flexible tank and a second flexible tank in an aircraft includes a latching device, a first tubular connecting element attached to the first tank, and a second tubular connecting element attached to the second tank. The first and |
| 7168533 |
Rotor brake as well as rotor and rotary-wing aircraft with such a rotor brake |
January 30, 2007 |
| A rotor brake includes a braking force absorption element non-rotatably connected to a rotor shaft; a stationary brake actuator for actuating a braking force transmission element that is functionally coupled to the braking force absorption element so as to exert a braking effect; and at |
| 6886779 |
Impact-absorbing, load-limiting connection device and rotary wing aircraft having such a connect |
May 3, 2005 |
| An impact-absorbing, load-limiting connection device includes a first connection structure, a second connection structure, a guiding mechanism, and at least one impact-absorbing, load-limiting sacrificial element disposed between the first and second connection structure. At least one |
| 6879477 |
Power switching device in an electrical power distribution system on board a helicopter |
April 12, 2005 |
| A power switching device in an electrical power distribution system on board a helicopter. There is a power switching device that switches on or off the power flow from a main distributor to the consumer. This switching device comprises an overhead panel with a switching means. This devi |
| 6835263 |
Method of producing a tube-shaped torsion-proof and bending-resistant drive shaft |
December 28, 2004 |
| An undercritical drive shaft and a method of producing the undercritical drive shaft from fiber composite material is disclosed. The drive shaft, which is produced of fiber composite material and is to be used as an undercritically operating shaft, has a high damage tolerance with respec |
| 6749152 |
Method and device for avoiding a collision of a rotating rotor blade of a rotary-wing aircraft w |
June 15, 2004 |
| A method for avoiding a collision of a rotating rotor blade of a rotary-wing aircraft with a blade vortex, and a device for executing the method. An aerodynamic parameter of the rotor blade of a rotary-wing aircraft is controlled, (for example, variation of the angle of incidence of |
| 6742744 |
Actuation mechanism for swinging an aircraft door |
June 1, 2004 |
| An structurally simplified actuation mechanism for swinging an aircraft door from a frame on an aircraft fuselage. The actuation mechanism includes a cantilever rotatably mounted to the frame and including a receiving region, a universal joint supported in the receiving region, and a |
| 6736353 |
Grooved profile for diverting liquid |
May 18, 2004 |
| A channel profile extends above a door of an aircraft over the width of the door opening and is connected with the aircraft fuselage. When the door is open, the channel profile collects liquid (e.g. rain) flowing down from above the door, and diverts it next to the door opening. To reduc |
| 6729581 |
Supporting arm of a passenger door of an aircraft |
May 4, 2004 |
| A supporting arm of a passenger door of an aircraft, has a curved structure which forms hollow chambers and movably connects the passenger door to a frame on the fuselage. Receiving means one for the supporting arm for receiving connecting means which enable a movable connection on the o |
| 6686850 |
System of pitch attitude symbols |
February 3, 2004 |
| A system of pitch attitude symbols, which can be generated by a head-up display unit of an air vehicle, is provided. The system of pitch attitude symbols can be displayed by the head-up display as a virtual image in the direction of flight, behind the cockpit screen in a focal plane in f |
| 6685139 |
Emergency opening cylinder of a passenger door for an airplane, a door system and a method of mo |
February 3, 2004 |
| An emergency opening cylinder of a passenger door of an airplane is provided. An existing emergency opening cylinder is adapted at the lowest expenditures and with an insignificant increase in weight with respect to its operating characteristic to the load situation of an emergency openi |
| 6668802 |
Valve arrangement in a feed line to deliver fuel from a tank to an internal combustion engine |
December 30, 2003 |
| A valve arrangement is provided for a feed line to supply fuel from a tank to a combustion engine consisting of a valve housing with an inlet channel and outlet channel, and a valve with a movable valve head to seal the outlet channel from the inlet channel, whereby a feed pump is assign |
| 6655634 |
Arrangement for moving an airplane door swivellably disposed on a supporting arm |
December 2, 2003 |
| An airplane door is swivellably disposed on a supporting arm, the supporting arm being swivellably disposed on an opening frame of a fuselage, and including a driving device for lifting and lowering the door and another driving device for swivelling the door and the supporting arm. D |
| 6648599 |
Method and control arrangement for adjusting a flap that is pivotally supported in a rotor blade |
November 18, 2003 |
| A force transmitting linkage connects a piezoelectric actuator to a flap that is pivotably connected to a helicopter rotor blade. In a flap actuation control arrangement and method, a force transducer senses the force being transmitted through the linkage and generates a corresponding |
| 6644919 |
Rotor blade with flap and flap drive |
November 11, 2003 |
| A rotor blade arrangement includes a rotor blade with a hollow blade chamber therein, and a flap module removably arranged and secured in the blade chamber. The flap module includes a module housing received in the blade chamber, an actuator arranged in the housing, a flap pivotably |
| 6619591 |
Method and arrangement for adjusting a door-side safety device of an airplane door |
September 16, 2003 |
| A method and an arrangement for adjusting a door-side safety device of an airplane door is provided to further improve the ergonomics for the operation of the door. A safety shaft of a safety device arranged on the door side can be adjusted by a coupling device by a driving device ar |
| 6619590 |
Fasteners for attaching a windshield to the fuselage side frame of an aircraft viewing port |
September 16, 2003 |
| A connecting device for joining a windshield with a fuselage side frame of a viewing port of an aircraft, especially a cockpit frame of a helicopter. The connecting device includes a fastening element which is fixed into position on a section of a peripheral region of the windshield thro |
| 6619372 |
Aircraft door and mold for casting the door |
September 16, 2003 |
| An aircraft door has an inner framework integrally connected to an outer skin by simultaneously casting the framework and the skin in a mold that holds a single core for each frame element in the form of a rib in a freight door or a beam in a passenger door. The ribs extend circumfer |
| 6609683 |
Supporting structure for a solar sail of a satellite |
August 26, 2003 |
| A supporting structure for a solar sail of a satellite is formed by support arms which are connected in a swiveling manner with a solar panel through unfolding joints, and a film is stretched between the support arms. A longitudinal connector is arranged parallel to one side edge of the |
| 6568637 |
Aircraft door |
May 27, 2003 |
| An aircraft door has a trough substantially closed by an outer planking (21) except for a vent that vents the space enclosed by the trough and the planking to the atmosphere outside of the aircraft. The door also includes a door stiffening door framing that is preferably but not necessar |
| 6554226 |
Skin of an airplane door and method of making door with same |
April 29, 2003 |
| The skin of an airplane door conforms in use to a surrounding surface contour of an airplane fuselage. The skin is connected with a door frame which has supports arranged in a longitudinal direction of the fuselage and spaced with respect to one another in a circumferential direction. |
| 6547186 |
Device for raising and lowering the passenger door of an aircraft |
April 15, 2003 |
| A device for opening a passenger door of an aircraft includes a supporting arm connected movably to the fuselage frame, a wishbone connecting the support arm to the passenger door, a first journal rotatably connecting the wishbone to the support arm, and a lifting mechanism. The lifting |
| 6547185 |
Control for a passenger door of an aircraft |
April 15, 2003 |
| In a door closing procedure, an aircraft passenger door is pivoted from an open position to a pivoted-in position, shifted to a closed position, locked into a locked condition, and then secured into a secured locked condition. A control method and arrangement for controlling the closing |
| 6517769 |
Method and apparatus for producing a structural unit made of fiber reinforced material |
February 11, 2003 |
| For producing a structural component of fiber-reinforced material by a resin transfer molding process, a preform unit is inserted in a form tool including upper and lower metal molds enclosing the perform unit therebetween, without a seal between the molds. The preform unit includes |
| 6480609 |
Apparatus for suppressing structure borne noises |
November 12, 2002 |
| Body or structural noise transmitted through a connector such as a strut, that connects a noise source, such as an engine, to an enclosure, such as a passenger cabin or cell of a helicopter, is suppressed by at least one piezoactuator which is excited to counteract any vibrations of the |
| 6471160 |
Method for deploying a parachute on a drone |
October 29, 2002 |
| A flying drone includes a flight control computer, a parachute system with a parachute, a power supply system, a propulsion system, and an actuating drive system, without any of these systems being redundantly duplicated. To prevent uncontrolled crashing of the drone due to a critical er |
| 6467729 |
Method and arrangement for controlling the closing and opening operation of a passenger door of |
October 22, 2002 |
| An arrangement for controlling the closing and opening operation of an aircraft passenger door includes electromechanical actuators and manual actuators for moving the door and for actuating the various latching and locking mechanisms of the door, a door control unit, as well as an a |
| 6457674 |
Method and device for closing a door of an aircraft |
October 1, 2002 |
| A door, especially an aircraft door, is first closed, for example manually. Then the door is first latched by a latching mechanism and locked by a locking mechanism. The latching mechanism and the locking mechanism are operatively connected through respective force transmitting couplings |
| 6439506 |
Ventilation valve with a breathing channel for a tank container of a helicopter |
August 27, 2002 |
| A ventilation valve cooperating with a breathing channel for a fuel tank of a helicopter has a safety device arranged in a valve housing of the ventilation valve. To seal the breathing channel from the tank when a connection between the fuselage cell and the tank is released or disru |
| 6427945 |
Subfloor structure of an aircraft airframe |
August 6, 2002 |
| A subfloor structure of an aircraft airframe, particularly of a helicopter, includes longitudinal beams and crossbeams that intersect each other and are interconnected to form a grid that is fixedly attached to the floor and the bottom skin of the aircraft fuselage. Structural elements s |
| 6427815 |
Method and device for reducing vibrations |
August 6, 2002 |
| A device and method for reducing vibrations of a structure along an axis of vibration propagation, in particular in a helicopter, wherein two vibrating members of masses m.sub.1 and m.sub.2 are located at the ends of a spring, the spring and/or the masses being so constructed that the |
| 6378806 |
Aircraft door structure |
April 30, 2002 |
| A door for an enclosed space under pressure, such as an aircraft cabin, has redundant door stops secured to the door edges and cooperating with redundant frame stops secured to a door frame in an aircraft body. The door stops and the frame stops are arranged in pairs. A first pair of |
| 6361278 |
Coupling membrane for a helicopter rotor head |
March 26, 2002 |
| A helicopter gimbal rotor arrangement includes a drive shaft with a rotor hub, a rotor blade holder arrangement, and a coupling membrane for transmitting the rotational drive moment from the rotor hub to the rotor blade holder arrangement. The coupling membrane includes a plate element |
| 6305640 |
Spring component and support bearing for helicopter tail rotors and support structure for use in |
October 23, 2001 |
| A spring component for support bearings of helicopter tail rotors or for support structures for use in outer space encompasses at least two contact support components (11a, 11b) for connecting with the members that are to be supported (e.g. a belt and a control sleeve of a helicopter tai |
| 6286782 |
Apparatus and method for reducing vibrations of a structure particularly a helicopter |
September 11, 2001 |
| Apparatus for damping vibrations of a structure such as the air frame of a helicopter wherein a spring system (1), which has an elastic wall structure forming a tube-shaped hollow body supports a weighted vibrating object (23). At least one region of the wall structure is constructed to |
| 6196800 |
Rotor blade for a bearingless rotor of a helicopter |
March 6, 2001 |
| A rotor blade arrangement for a bearingless rotor of a helicopter includes a flexbeam connecting an airfoil blade to a rotor head, and a control sleeve surrounding the flexbeam. The control sleeve is relatively stiff, but the flexbeam has portions that are flexible so as form a fictitiou |
| 6186441 |
Device and method for determining the impact point of a ballistic missile |
February 13, 2001 |
| In an aiming or sighting device and an aiming method for determining the impact point of a ballistic flying body such as a rocket or a tube weapon projectile, specific characteristic values of the ballistic flying body are stored in a memory and an evaluating stage produces control signa |
| 6179086 |
Noise attenuating sandwich composite panel |
January 30, 2001 |
| A sandwich composite panel (2) provides a load bearing structural member as well as noise protection, especially for a helicopter fuselage cell or cabin. The panel (2) includes an inner honey-comb core (6) made up of hollow cell bodies (4) extending trans-versely and sandwiched between |
| 6168379 |
Helicopter rotor blade with a movable flap |
January 2, 2001 |
| A helicopter rotor blade includes a main airfoil body (12) and a movable control flap (3) incorporated in the trailing edge profile of the airfoil body. The flap (3) is movably connected to the main airfoil body (12) by a flexibly bendable junction element (4), and is actuated by a piezo |
| 6168114 |
Aircraft door assembly |
January 2, 2001 |
| In a door system for a passenger aircraft, a door panel is mounted on an aircraft structure so that it can pivot around at least one pivot axis and the door panel is movably guided at the end of the inward pivoting movement on a lifting movement path that runs essentially in conformance |
| 6162313 |
Method for producing a composite structure including a piezoelectric element |
December 19, 2000 |
| A composite structure (3) includes a piezoelectric element (1) sandwiched between fiber composite panels (2). The composite structure can be used as an actuator element. In a method for producing the composite structure, the fiber composite panels are pre-stressed and pre-strained by app |
