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WO/2016/070334A1 |
A locking mechanism, a propeller (100) and an aircraft both having same are provided. The propeller (100) comprises a blade (20) and the locking mechanism, and the locking mechanism is used for locking the blade (20) and a driving shaft ...
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WO/2016/070335A1 |
A locking mechanism, a propeller (100) provided with the locking mechanism, and an air vehicle. The propeller (100) comprises blades (20) and the locking mechanism. The locking mechanism is used for relatively locking the blades (20) and...
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WO/2016/066977A1 |
The invention relates to a propeller ring (10) of a turbomachine (1), with variable-pitch blades (P), the propeller ring (10) comprising a substantially coaxial annular body (11) with a main axis (A) and a plurality of radial housings (1...
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WO/2016/055743A1 |
The present invention relates to a method for modeling at least one portion of a blade (2) of a non-ducted propeller (1), wherein the blade portion (2) is offset (3). The method is characterized in that it comprises the implementation of...
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WO/2016/055744A1 |
The present invention relates to a method for modeling at least one portion of a blade (2) of a non-ducted propeller (1), wherein the blade portion (2) is offset (3). The method is characterized in that it comprises the implementation, b...
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WO/2016/053862A1 |
A method for controlling a propeller of an aircraft, comprises receiving, with a processor, one or more signals indicative of commanded collective pitch of the propeller; receiving, with the processor, one or more sensed signals indicati...
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WO/2016/048785A1 |
A diverter duct for a propeller includes a second duct element having a semi-annular wedge shape, which is pivotably coupled to the first duct element, a first drive structure configured to drive a pivoting of the second duct element rel...
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WO/2016/041957A1 |
The invention relates to a method for treating a composite part (10) comprising a metal protective duct (12) fixed to a core (11) by means of a binder (14), so as to be able to separate the duct from the core, comprising the steps consis...
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WO/2016/030646A1 |
Variable-pitch bladed disc comprising: -a plurality of blades (2), each at a variable pitch in relation to a rotation axis of the blade and each having a root, the plurality of blades comprising at least one first blade (21) and at least...
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WO/2016/030645A1 |
Variable pitch bladed disc comprising: - a plurality of blades (2), each being of variable pitch about a blade axis of rotation and having a root, the plurality of blades comprising at least one first blade (21) and at least one second b...
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WO/2016/029982A1 |
The present disclosure relates to a system and method for indicating a pitch angle of a variable marine propeller of a vessel. The pitch angle indication system (100) may comprise a first hydraulic cylinder (110) having a first inlet (11...
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WO/2016/028736A1 |
Described embodiments include an unmanned aerial vehicle and a method. The unmanned aerial vehicle includes an airframe and a rotary wing system coupled with the airframe and configured to aerodynamically lift the vehicle in the air. The...
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WO/2016/019468A1 |
A structure adapted to traverse a fluid environment includes an elongate body having a root, a wingtip, a leading edge and a trailing edge; and a plurality of rigid projections each extending from a respective position along the leading ...
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WO/2016/022667A1 |
A rotor assembly for a rotary wing aircraft includes a rotor hub having a central axis. The rotor hub is rotatable about the central axis. A plurality of flexible structural members extend radially outwardly from the rotor hub. Each flex...
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WO/2016/019466A1 |
A fluid-redirecting structure includes a rigid body having an upstream end, a downstream end, and an axis of rotation, the rigid body incorporating a plurality of troughs each spiralled from a tip at the upstream end to the downstream en...
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WO/2016/018486A2 |
A vertical takeoff and landing aircraft includes a pair of ducted lift/thrust fans that are rotatably movable between a first vertical lift position and a second horizontal thrust position. The lift/thrust fans are disposed within curvil...
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WO/2016/005714A1 |
A bearing assembly (30) is supported in a blade assembly such as a propeller (10), turbine or fan assembly and a blade assembly for a structure or craft having a hub having at least one blade opening (16), a blade (14) having an outer sl...
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WO/2015/198200A1 |
A vertical takeoff and landing aircraft includes rotors that provide vertical and horizontal thrust. During forward motion, the vertical lift system is inactive. A lift fan mechanism positions the fan blades of the aircraft in a collapse...
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WO/2015/189524A1 |
The invention relates to a lubrication device for a turbine engine, comprising an oil intake pipe (23) provided with a pump (24) for supplying oil and control means (25) located downstream from the supply pump (24), a supply pipe (26) in...
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WO/2015/183658A1 |
A pin wrap having a unitary construction that includes a first elongated arm extending from an inboard end to an outboard end; a second elongated arm extending from the inboard end to the outboard end; and a curved end having an internal...
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WO/2015/177430A1 |
The invention relates to a hub for an unshrouded propeller (14) with variable-pitch blades (18) of a turbine engine, including two parallel annular flanks (34) between which are arranged rings (36) which are distributed angularly in a re...
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WO/2015/168496A1 |
A rotor blade rotated about a rotor hub is provided including a first section configured to mount to the rotor hub. The first section includes a spindle and an inboard torque tube surrounding a portion of the spindle. A second section of...
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WO/2015/166113A1 |
The invention relates to a sealing device for an aircraft engine propeller, for use during the water landing of an aircraft. The device operates in a space between the propeller and the fuselage of the engine and comprises an O-ring coup...
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WO/2015/163855A1 |
A propeller blade is provided including a leading edge and a trailing edge. The trailing edge is arranged opposite the leading edge to form an airfoil there between. At least one of the leading edge and the trailing edge include at least...
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WO/2015/154131A1 |
A propeller formed along the lines of a vortex, i.e. a Fibonacci spiral projected onto a surface formed by a square hyperbola. Fluid flows evenly along the length of the propeller with less turbulence allowing it to operate at a higher p...
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WO/2015/152912A1 |
Embodiments are directed to obtaining data from at least one sensor, processing, by a processor, the data to determine an independent rotor phase lag for each of a plurality of axes associated with a rotorcraft, and issuing, by the proce...
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WO/2015/128575A1 |
The invention relates to a method of manufacturing a protective edge for a blade, wherein a protective edge (30) of anodizable metal is provided, and the protective edge (30) is subjected to a micro arc oxidation electrolytic treatment. ...
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WO/2015/128563A1 |
The invention relates to a forward fan rotor (16) with a hub (18) of axis of rotation (X) and a cone (22) mounted on the hub (18) of the fan (16), the cone (22) comprising an air bleed orifice (34) which opens into an air duct (32) of wh...
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WO/2015/121579A1 |
The invention relates to a device (12) for a non-streamlined propeller (6, 7) with blades (10) having variable pitch of a turbomachine (1), the device comprising a support (15) intended to support a blade (10) and including a cylindrical...
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WO/2015/118243A1 |
The invention relates to a blade (11A) for a turbine engine propeller, in particular a propfan engine, comprising a protruding part (16) on the leading edge (17) thereof, characterised in that said blade comprises means for controlling t...
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WO/2015/116058A1 |
A mandrel for use in manufacturing a spar having a spar cavity is provided including a first component, a second component, and a center component. The first component is configured to define at least an interior first surface of the spa...
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WO/2015/112039A1 |
The claimed invention relates to aviation and in particular concerns aeroplanes. In one of the possible variants of embodiment thereof, in a single-seat aeroplane variant, the claimed invention has a wing, a canard (with the possibili...
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WO/2015/102910A1 |
Apparatus are disclosed that are configured to passively rotate a propeller blade from a first pitch angle to a second pitch angle. An example apparatus involves: (a) a rotor hub, (b) at least one dual-pitch support coupled to the rotor ...
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WO/2015/102521A1 |
The invention relates to the aviation industry and can be used in the production of helicopter main rotor and tail rotor blades. Proposed is a sparless structure of a blade airfoil, the method for the manufacture of which blade involves ...
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WO/2015/099865A1 |
Apparatus are disclosed that are configured to distribute internal loads from a drive mechanism to a solid fixed shaft and rotatable tubular shaft coupled to a propeller, for example. An example apparatus involves: (a) a stator, (b) a ce...
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WO/2015/099603A1 |
An unmanned aerial vehicle (UAV) capable of vertical and horizontal flight modes, a method of assembling a UAV, and a kit of parts for assembling a UAV. The UAV comprises an elongated wing structure having an elongated axis along the lon...
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WO/2015/096842A2 |
According to the invention, the assembly of the half-sphere airplane wing made it possible to create another form of flight (vertical flight), controlling air flow only on the top surface of the circular wing, said assembly being a perfe...
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WO/2015/090354A1 |
Bladed rotor, in which the blades (3) have specific tinted zones (4) which are situated on the tip parts thereof, at least on one side, and which follow the same path as the rotor turns. The specific zones are tinted with a first and a s...
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WO/2015/094022A1 |
Proposed are original airfoils that significantly enhance the aerodynamic qualities of screw propellers. The advantage of air and water vehicle propellers manufactured on the basis of the proposed airfoils with a sharp leading edge is th...
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WO/2015/095321A1 |
A rotating object balancer may include an insert (102) configured for securing to an object and having a chamber (112) for placement of balancing elements (116) and a curable solution, a rotational system configured to rotate the object ...
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WO/2015/086923A1 |
The invention relates to a method for processing images captured by a lens (OPT) on board an aircraft (1), said aircraft (1) including at least one engine (M) each of which includes at least one propeller (11), said method including: a s...
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WO/2015/084624A1 |
A boundary layer ingesting (BLI) blade having a span is provided and includes a root section connectable to a hub, a tip section disposable at a distance from the hub and having a pitch and a body extending in a spanwise dimension from t...
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WO/2015/081198A1 |
A propeller blade assembly including a propeller blade having a leading edge, and a trailing edge extending between a tip and a hub, and an electrically conductive band extending longitudinally on either or both of the leading edge and t...
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WO/2015/060901A1 |
A fan assembly of a gas turbine engine, a method for fabricating a fan assembly for a gas turbine engine, and a gas turbine engine are disclosed. The fan assembly of the gas turbine engine may include a spinner section, a fan hub section...
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WO/2015/057271A1 |
A nose cone may have a spinner including a main portion and an axially extending stepped portion. The nose cone may also have an annular aft support ring radially secured to the axially extending stepped portion. The nose cone may furthe...
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WO/2015/052459A1 |
A pitch control assembly (110) for adjusting the pitch of a propeller blade, including a pitch control unit comprising a housing(104), with a plurality of control valves(106) and corresponding hydraulic lines(108) located within the hous...
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WO/2015/053930A1 |
A turboprop control system 10 for use with a turboprop 2 having a turbine engine 12 operably coupled to and rotationally driving a propeller 14 having variable pitch blades 16 to control the engine speed, propeller speed, and propeller p...
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WO/2015/044572A1 |
The present invention concerns a hydraulic ram comprising a fixed support (30), a cylinder (24) that is movable in translation relative to the support, a piston (22) secured inside the cylinder delimiting two chambers with the cylinder (...
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WO/2015/035270A1 |
Determination of distance and/or position relative to one or more points by transmission of a wideband signal by a first antenna, reception of the transmitted wideband signal by a second antenna and comparison of the time delay between t...
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WO/2015/024044A1 |
A propulsion system comprising independent rotor sub-systems producing a thrust force of a desired magnitude in any desired radial direction from the centre of the propulsion system, driven from a single driveshaft that may be fixed in i...
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