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WO/1988/004479A1 |
A process (2) for camouflaging the inlets (1) of power units of aircraft and the like against detection by radar is disclosed. To reduce the global radar cross-section of the aircraft as a whole, the openings of the power unit inlets (1)...
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WO/1986/003719A1 |
An improved method of heating on aircraft engine and cabin. The engine muffler (2) is used with a shroud (4) to form a combustion chamber and heat-exchanger. A burner (3) provides heat which is transferred to air flowing through the heat...
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WO/1986/000862A1 |
A thrust reverser actuation structure utilizing a single power source (60) for controlling the operation of thrust reverser actuators (26, 40) associated with plural jet engines (12, 16). The thrust reverser actuation structure has a pow...
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WO/1984/002747A1 |
The disclosed invention is intented to all types of aircrafts and is comprised of a streamlined solid shield prolonged by two concentric rows of specially profiled blades arranged according to the generatrix of a cone nesting the air int...
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WO/1982/002181A1 |
An air inlet (18-20) and scoop (32) for aircraft auxiliary power units to provide satisfactory performance thereof under all operational conditions, including full capability for in-flight starting at high altitudes, whereby operational ...
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JP7455199B2 |
The system can include an on-board thermal management subsystem. The system 100 can optionally include an off-board (extravehicular) infrastructure subsystem. The on-board thermal management subsystem can include: a battery pack, one or ...
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JP7452360B2 |
An electric movable body (10) includes a plurality of motors (71, 72, 73, 74) and a plurality of batteries (21, 22), among which the motors and the batteries are connected such that each of the batteries supplies electric power to a moto...
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JP7452361B2 |
An electric movable body (510) includes an output shaft (531) and multiple motors (571, 572) that drive the output shaft. The electric movable body performs a double drive control to assign a drive state to at least two of the motors, pe...
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JP2024034954A |
A drive device capable of improving output density is provided. An EPU 50 includes a motor device 60, an inverter device 80, a unit housing 101, and a cooling device 800. Motor device 60 includes a motor 61 and a motor housing 70. Invert...
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JP2024034955A |
A drive device capable of improving output density is provided. An EPU 50 includes a motor device 60, an inverter device 80, a unit housing 101, and a cooling device 800. Motor device 60 includes a motor 61 and a motor housing 70. Invert...
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JP2024032963A |
An object of the present invention is to provide a suitable vehicle cabin thermal management system and method. The system can include an onboard thermal management subsystem. System 100 may optionally include off-board (ex-vehicle) infr...
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JP2024510491A |
An aerospace hybrid powertrain system includes an engine, a power shaft, and an electric machine having the power shaft within or passing through the power shaft. The aerospace hybrid powertrain system further includes a fan, impeller, o...
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JP2024508933A |
A propulsion system is described that includes a propulsion device and an exhaust area control mechanism. An exhaust area control mechanism is connected to the outlet of the propulsion machine and configured to vary the area through whic...
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JP2024508177A |
The present invention provides an engine 310 for a vertical takeoff and landing aircraft 300. The engine is configured to be movable relative to aircraft component 342 of aircraft 300 between a hover position for takeoff and landing and ...
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JP2024508176A |
The present invention provides an engine 310 for a vertical takeoff and landing aircraft 300. The engine is configured to be movable relative to aircraft component 342 of aircraft 300 between a hover position for takeoff and landing and ...
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JP7430133B2 |
An aircraft propulsion system capable of improving the restartability of an engine is provided. An aircraft propulsion system includes: a plurality of engines (60-1 and 60-2); an electric generator connected to engine shafts (63-1 and 63...
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JP7417632B2 |
A cascade for a thrust reverser device intended to be mounted on a turbomachine of an aircraft, the cascade including first partitions extending in a first direction, seconds partitions extending in a second direction orthogonal to the f...
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JP2024004442A |
An object of the present invention is to provide a propulsion device that can enhance the heat dissipation effect. A propulsion device 15 has a propeller 20 and an EPU 50. EPU 50 includes a motor device 60 and an inverter device 80. Moto...
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JP2024002984A |
A system and method for installing one or more fire extinguishers within a compartment, such as an aircraft engine. A system and method for configuring one or more fire extinguishers within a compartment includes a configuration control ...
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JP2023184048A |
To provide a drone drive unit capable of cooling a motor that rotates a rotor blade with a relatively lightweight configuration.A drone drive unit includes a rotor blade fixed to a shaft, a motor that rotates the shaft, and a cooling mec...
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JP7387254B2 |
To provide a control device capable of expanding a range in which noise generated by an unmanned flying object is suppressed.A control device 10 includes: a first acquisition unit 11 for acquiring position information on one or more unma...
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JP7386641B2 |
A pre-cooler system (13) employs a powered pre-cooler fan assembly (15) having a fan (34) adapted to receive bypass engine fan air through an inlet plenum (25) with an outlet guide vane array (OGVA) (38) adapted to control airflow from t...
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JP2023159233A |
To provide an aircraft propulsion system adapted to reduce surface friction on at least one portion of an outer surface.An aircraft may also have an internally cooled electric motor adapted for use within the aircraft. The motor may have...
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JP7369487B2 |
Provided are a flying object and a motor that enable improvement in cooling inside the motor or in releasing foreign matter from inside the motor or the periphery thereof. In motors (132u, 132l) of a flying object (10), lateral surface p...
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JP2023142750A |
To provide an electric fan which has a simpler structure and achieves higher cooling performance, and to provide an electric aircraft.An electric fan includes: an electric motor having an output shaft extending along an axis and a cylind...
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JP7352925B2 |
[Problem] To provide a pressure variation absorbing structure in which it is possible to prevent degradation in pressure variation absorbing performance caused by an air current on a surface and to prevent deviation of a resonance freque...
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JP7340442B2 |
In an example, a method for on-board maintenance of an aircraft is described. The method includes measuring, by a pressure sensor, a pressure in a tube associated with an engine of an aircraft. The method also includes determining, by a ...
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JP7333144B2 |
An aircraft propulsion system with a drag reduction portion adapted to reduce skin friction on at least a portion of the external surface of an aircraft. The drag reduction portion may include an inlet to ingest airflow. The aircraft may...
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JP7333267B2 |
A transmission cooling assembly of a helicopter includes: a transmission including a speed change structure that changes the speed of rotation produced by rotational power input from a prime mover and outputs the resulting rotational pow...
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JP7329900B2 |
A turbine engine nozzle can include a primary outer wall (108) extending from an engine core area to an annular wall terminus that surrounds an engine tail cone, to form a core nozzle (114). The turbine engine nozzle also includes a sing...
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JP2023109249A |
To more appropriately suppress noise.A control system for an aircraft includes a plurality of engines attached to an aircraft, a plurality of power generators connected to a plurality of engine shafts of the engines, an electric motor to...
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JP2023105616A |
To provide a control device of an electrically-driven flight vehicle which can improve safety in a case of occurrence of abnormality in cooling a drive system.An eVTOL includes an EPU and a blower fan. The blower fan supplies the EPU wit...
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JP7308230B2 |
A fire extinguisher includes a body defining a storage chamber containing an extinguishing agent, a gas generator configured to pressurize the extinguishing agent in order to dispense it outside the body through an exit opening. The exit...
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JP7306479B2 |
A multi-rotor helicopter comprises a fuselage serving as a main body, and a plurality of fan units that cause the fuselage to lift. Each of the fan units has a fan frame connected to a support arm integrated with the fuselage, and a firs...
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JP2023097482A |
To improve the output efficiency of an internal combustion engine.A mixer 44 is mounted on an aircraft. A rear end part 78 of a cylindrical part 74 of the mixer 44 is divided into a plurality of divided cylinder parts 80 by a guide vane ...
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JP2023097480A |
To improve output efficiency of an internal combustion engine.A rear end part 78 of a cylindrical part 74 of a mixer 44 is divided into a plurality of divided cylindrical parts 80 by a guide vane 90. In the plurality of divided cylindric...
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JP2023092936A |
To reduce resistance experienced by a boom during cruising.An aircraft includes: a fuselage; a front wing and a rear wing provided to extend laterally from the fuselage for generating lift during cruising; a boom 18 supported by the fron...
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JP2023092951A |
To efficiently cool electrical elements of a rotor by using airflow generated by the rotor.An aircraft 100 includes: a fuselage 12; a front wing 14 and a rear wing 16 provided to extend laterally from the fuselage for generating lift dur...
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JP2023092889A |
To efficiently guide airflow generated by a rotor into a boom via an inlet.An aircraft 100 includes: a fuselage 12; a front wing 14 and a rear wing 16 provided to extend laterally from the fuselage for generating lift during cruising; a ...
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JP7300862B2 |
Various techniques provide a heat shield assembly and mounting thereof on an aircraft. In one example, a heat shield assembly may include flexible member. The heat shield assembly may further include a plurality of frame members disposed...
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JP2023089989A |
To provide a propeller device capable of sending smoothly as much as possible cooling air flowing along a motor.A motor mount 48 includes a mount cylindrical part 78 extending in the axial direction of a motor 44, enclosing the motor 44,...
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JP7294447B2 |
This multi-rotor helicopter has a fuselage and a plurality of fan units. Each of the fan units is equipped with a circular fan frame, a rotating blade, and a drive-system cooling unit. Each drive-system cooling unit has: an accommodation...
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JP2023525243A |
To provide a highly adaptable seal for use in advanced vehicle propulsion and missile systems. By managing and controlling incoming airflow, seals can effectively limit aggressive thermal energy and corrosive airflow from entering the ve...
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JP2023524952A |
a motor bay (8), a motor system (6) with an exhaust duct (17), a heat exchanger (20) located outside said motor system (6), a first air intake (25), along with a first duct (26) in which the heat exchanger (20) is arranged, a downstream ...
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JP7286766B2 |
The invention relates to a device for monitoring the lifetime of at least one hydraulic apparatus of an aircraft that is subject to ventilations in hydraulic pressure during flight, comprising an interface for receiving measurement data ...
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JP7284168B2 |
A kit (1, 1') is described that comprises a device (15, 15') adapted to dampen the vibrations transmitted by the rotor (4) to the fuselage (2); the device (15) comprises two first elements (21a, 21b; 20a, 20b) movable along a first axis ...
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JP7284169B2 |
A kit (1) for a helicopter (2) is described, the helicopter (2) comprising a fuselage (3) and a rotor (4); the kit (1) comprises at least one device (15) adapted to dampen the vibrations transmitted from the rotor (4) to the fuselage (2)...
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JP2023064430A |
To provide a technology capable of improving propulsion efficiency in a BLI propulsion technology.An aircraft according to the present technology includes a torso part and a BLI propulsion part. The torso part has a cylindrical shape tha...
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JP7265939B2 |
Pressurized air systems (200) for aircraft (100) and related methods are described herein. An example pressurized air system (200) includes a compressor having a compressor inlet (240) and a compressor outlet (242). The compressor inlet ...
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JP7265957B2 |
A redundant propulsion device includes a propeller and electric motors. The electric motors are configured to drive the propeller. The electric motors are disposed with respect to a propeller shaft of the propeller so that, around the pr...
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