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Patent Searching and Data


Matches 1 - 50 out of 1,834

Document Document Title
WO/2021/009468A1
The invention relates to a module of a turbomachine of longitudinal axis X, the module comprising: • - a rotary casing (31) that rotates about the longitudinal axis and bears a propeller (2; 20, 21, 22) which is provided with a plurali...  
WO/2021/011097A1
Aspects of the technology relate to propulsion systems for high altitude, long duration balloons, such as balloons that operate in the stratosphere for weeks, months or longer. A propeller assembly is used to provide lateral directional ...  
WO/2021/009460A1
The invention relates to a turbomachine module (1), comprising: - a rotating housing (7-8) supporting a propeller provided with a plurality of blades (5), - a system for varying the pitch of the propeller blades (5), the system comprisin...  
WO/2021/004677A1
Aircraft with vertical takeoff and landing capability and casing bodies The invention relates to an aircraft (1) with vertical takeoff and landing capability, comprising a fuselage (2) with a longitudinal axis (L) and with multiple casin...  
WO/2021/005312A1
The present invention relates to a blower vane (1) of a turbomachine, comprising a structure made of composite material which comprises a fibrous reinforcement (11) and a matrix in which the fibrous reinforcement (11) is embedded. The va...  
WO/2021/005288A1
Disclosed is an aircraft comprising a primary propeller (100) rotated by a motor (200), the motor having a first assembly (210) and a second assembly (220) rotatable relative to one another about an axis of rotation (300), the primary pr...  
WO/2020/243364A3
The subject matter described herein relates to aircraft designs and more particularly to aircraft designs using tandem wings and a distributed propulsion system. The embodiments described enable synergies between aerodynamics, propulsion...  
WO/2020/261102A1
An aircraft, in particular a drone or an aircraft for personal air mobility, comprises at least one horizontal planar structure (2), wherein four ducted propeller rotors (3) with vertical axis are incorporated, which are substantially co...  
WO/2020/260581A1
An aircraft is disclosed, having wings (2) which extend outward from the longitudinal axis and in each of which at least two rotors (3) for generating lift are provided, wherein the rotors (3) are connected to at least one flywheel in or...  
WO/2020/254894A1
An anti-torque rotor (4) is described for a helicopter (1), comprising: a mast (6) rotatable about a first axis (A); a plurality of blades (8) hinged on the mast (6), extending along respective second axes (B) transversal to said first a...  
WO/2020/249888A1
The present invention concerns an inlet cone (10) for an aircraft turbine engine (1), comprising a frustoconical body (12) and a tip (11) made from elastically deformable material attached to an end (12p) of smaller diameter of the body ...  
WO/2020/244625A1
An edge drive type fan, a double-state switching mechanism and wing, and a vertical takeoff and landing aircraft, relating to the field of aviation. The edge drive type fan comprises a housing (10); the interior of the housing is provide...  
WO/2020/245363A1
The invention relates to an aircraft, in particular an aircraft with support surfaces (11, 12), comprising: - a hull (10) for receiving at least one pilot and/or a payload, in particular air freight and/or at least one passenger; - a fir...  
WO/2020/245366A1
The invention relates to an aircraft comprising: - a hull (10) for receiving at least one pilot and/or a payload, in particular air freight and/or at least one passenger; - at least one front support surface (11) and at least one rear su...  
WO/2020/245388A1
The invention relates to an aircraft (1), in particular an aircraft with support surfaces (11, 12), comprising a hull (10) for receiving at least one pilot and/or a payload, in particular air freight and/or at least one passenger, and at...  
WO/2020/245390A1
The invention relates to an aircraft and to a method for operating an aircraft (1), in particular an aircraft with support surfaces (11, 12), comprising a hull (10) for receiving at least one pilot and/or a payload, in particular air fre...  
WO/2020/245379A1
The invention relates to an aircraft (1) and to a method for operating an aircraft (1), in particular an aircraft with support surfaces (11, 12), a hull (10) for receiving at least one pilot and/or a payload, in particular air freight an...  
WO/2020/237082A1
A vertical take-off and landing aircraft which uses fixed rotors for both VTOL and forward flight operations. The rotors form a synthetic wing and are positioned to achieve a high span efficiency. The rotors are positioned to even out th...  
WO/2020/229745A1
Turbomachine (1) comprising a cone (40) positioned at an upstream end and secured to rotate as one with the low-pressure shaft (20), a system for deicing said cone (40) comprising resistive heating elements (52) positioned in the cone (4...  
WO/2020/226708A2
An aircraft includes a fuselage and at least one primary wing having an upper surface, at least one recess in the upper surface and at least one conduit in fluid communication with the at least one recess. At least one ejector is dispose...  
WO/2020/222634A1
The present invention describes a rotary wing that provides lift to an aircraft and that is propelled by autorotation. It is a naturally stable rotary wing, since it does not generate torque, and is very safe because it uses autorotation...  
WO/2020/219900A1
A rotor blade pitch control system (15) comprising a rotor blade (19a, 19b, 19c, 19d) rotatable about both a central axis (20) and a pitch axis (24a, 24b, 24c, 24d), a pitch drive rotor (32a, 32b, 32c, 32d) rotatable about the central ax...  
WO/2020/219278A1
A multi-rotor aircraft includes a fuselage, a propulsion engine coupled to the fuselage that generates thrust to propel the aircraft along a first vector during forward flight, and rotors coupled to the fuselage, each rotor comprising bl...  
WO/2020/219415A1
A counter-rotating (CR) axial electric motor assembly is presented, with two oppositely rotating drive members, that is utilized to power any device that has traditionally employed an electric motor to supply rotational power.  
WO/2020/207862A1
The invention concerns an aircraft propulsion unit (30) comprising at least one first propeller (32) provided with a plurality of radial blades (34) extending about an axis (A) of rotation of the first propeller (32) which is rotated by ...  
WO/2020/201425A1
The invention relates to a rotor assembly for a rotary wing aircraft, which rotor assembly comprises: a rotor hub (10), which can be rotated about a rotor axis (12); and a number of rotor blade retainers (20), which comprise outside open...  
WO/2020/193919A1
Method for controlling a first, a second and a third variable of a turbomachine as a function of a first, a second and a third turbomachine control quantity, each of which can become saturated as a function of the turbomachine operating ...  
WO/2020/184934A1
A vertical take-off and landing aircraft using a hybrid electric propulsion system, according to an embodiment of the present invention, includes: a first control step (S1) of changing a destination when an engine (10), a power generator...  
WO/2020/180173A1
A flying vehicle (1) comprises: - a body (10) having a tail section (20); - a main rotor (100) having a rotation axis on top of the body; - a central thrust unit (200) arranged along the longitudinal axis of the vehicle, at a distance fr...  
WO/2020/169896A1
The invention relates to a blade pivot (2) of adjustable orientation for a turbomachine fan hub, comprising a block (4) having retaining means (10) configured to retain a fan blade root (12) and coupling means (16) for the transmission o...  
WO/2020/169497A1
The invention relates to an electric propulsion unit (P) for an aircraft comprising at least one first propulsion member (1), a second propulsion member (2) and a single electric motor (6) configured to drive the first propulsion member ...  
WO/2020/172689A1
A mechanism is provided to modulate a pitch of blades of a fan, turbine or propeller driven by a rotating shaft bearing a helical thread onto which a nut ("axial modulator") made of a ferromagnetic material is threadedly mated; this nut ...  
WO/2020/165264A1
The invention relates to a wheel propeller arrangement (1, 16) for powering vehicles (2) in driving, flying, floating or diving mode, comprising a wheel propeller (1) and a chassis (16), which wheel propeller (1) has an axis of rotation ...  
WO/2020/151379A1
An unmanned aerial vehicle rotor (5) surface microstructure drag-reducing film (1), the unmanned aerial vehicle rotor (5) surface microstructure drag-reducing film (1) comprising a separation layer (11) and a microstructure layer (12) di...  
WO/2020/148490A1
A blade comprising a fibre reinforcement (200) having a three-dimensional weave densified by a matrix, the fibre reinforcement (200) comprising, in a single woven piece, a root part (212) and an aerodynamic profile part (211) extending i...  
WO/2020/145640A1
The present invention relates to an aerial vehicle comprising a fixed wing and a rotary wing in a hybrid type such that vertical takeoff/landing is possible, and same can fly by means of lift of the fixed wing caused by tilting of the ro...  
WO/2020/133089A1
A barrel-launched folding-wing unmanned aerial vehicle and a launch method therefor. The barrel-launched folding-wing unmanned aerial vehicle comprises: a folding-wing unmanned aerial vehicle (7) and a launch barrel (6). When in a barrel...  
WO/2020/128377A1
The invention relates to a propulsion system (100) for an aircraft, comprising at least one rotor (110) and a nacelle cowling (120) extending around the at least one rotor (110), said nacelle cowling (120) being sectored and comprising a...  
WO/2020/125523A1
The present application discloses a foldable multi-rotor unmanned aerial vehicle. The unmanned aerial vehicle uses a tilt rotor technique. A rotor tilt device (100) controls the tilt angle of rotors (210). A mechanism for controlling the...  
WO/2020/130333A1
The present invention relates to a vertical take-off and landing type hybrid drone comprising: a pair of front rotary rotors, which are formed on a fixed blade, perform a vertical rotation operation so that vertical taking-off and landin...  
WO/2020/118528A1
Provided in the present invention are a rotary wing system and an unmanned aerial vehicle using same, the rotary wing system comprising: a second clamping member is provided with fixing members along both sides thereof in the direction o...  
WO/2020/120197A1
Motor arrangement for an aircraft for driving a first propeller (6) and a second propeller (7), wherein the first propeller (6) and the second propeller (7) run in opposite directions to one another, comprising a first electric motor (2)...  
WO/2020/118310A1
The rotary airfoil (100) defines a cross section and a span, wherein the cross section is a function of the point along the span (e.g., span wise point) and defines an upper surface and a lower surface at each span wise point. The rotary...  
WO/2020/104781A1
A foil, such as an aerofoil, having a leading edge and a trailing edge, of which at least a portion of one or both of the leading edge and trailing edge has a serrated profile comprising a plurality of adjoining teeth, each tooth having ...  
WO/2020/103037A1
Provided is a multirotor unmanned aerial vehicle (1), comprising: a body (11), multiple arms (12), and a number of rotor assemblies (13) equal to the number of arms (12). The multirotor unmanned aerial vehicle (1) is provided with a firs...  
WO/2020/071897A4
The present invention relates to the aeronautical, maritime and drone industry, comprising the use of a system for exchanging and replacing rotors, propellers or engines, based on a combination of part-securing mechanisms, lift and push ...  
WO/2020/103254A1
Disclosed are a power device and an unmanned aerial vehicle. The power device is used for providing power for an aerial vehicle, and comprises: a propeller (100); an electric motor (200) that is provided with a mounting part (221) and is...  
WO/2020/103055A1
Provided are a rotor assembly and an unmanned aerial vehicle. The rotor assembly comprises: a first propeller (40), a first motor (30), a second propeller (60), and a second motor (50). The first propeller (40) is provided with a first l...  
WO/2020/103253A1
Disclosed in the present invention are a protective shell, a power device and an unmanned aerial vehicle. The protective shell (400) is used to protect a motor (200) of the unmanned aerial vehicle, and the protective shell (400) comprise...  
WO/2020/096819A1
Systems and methods related to passive variable pitch propellers are described. For example, an aerial vehicle may include one or more passive variable pitch propellers, and such propellers may include one or more passively movable prope...  

Matches 1 - 50 out of 1,834