A device for manipulating a hollow shaft configured to create a pivot link between a first element and a second element. The manipulation device comprises a cylindrical body having a diameter variable by radial contraction or radial expansion of the cylindrical body, a module for controlling the diameter of the cylindrical body configured so that the diameter of the cylindrical body has alternatively at least a first diameter suitable for the cylindrical body to be displaced in the hollow shaft and a second diameter suitable for the cylindrical body to be blocked in the hollow shaft. The cylindrical body comprises an end configured to protrude from the hollow shaft when the cylindrical body is blocked in the hollow shaft. The manipulation device allows the alignment of the orifices due to the end configuration of the cylindrical body.

A strut assembly for a vibration isolation device is disclosed, comprising a piston spindle; a first elastomeric member and a second elastomeric member bonded to the piston spindle and in contact with an upper housing and a lower housing, respectively; a first strut support and a second strut support attached to or integral with the upper housing and the lower housing, respectively; a first strut spindle and the second strut support configured to be placed in the first strut support and the second strut support, respectively; and one or more removable struts configured to be engaged to the first strut spindle and to the second strut spindle, wherein at least one of the first or second strut spindles is removable such that the one or more struts can be replaced without breaking a bonding of the first elastomeric member, the second elastomeric member, or both.

A propulsion unit for an aircraft, includes a support structure, a nacelle and a turbomachine. The support structure is configured to independently support, on the one hand, the turbomachine and, on the other hand, preferably by a cradle, an air inlet and/or a rear section of the nacelle.

The invention relates to the field of aviation, particularly to designs for vertical take-off and landing aircraft. A convertiplane comprises a fuselage, a pair of wings (a fore wing and an aft wing), propulsion systems comprising engines and propellers, a vertical stabilizer, a landing gear, and rotatable pylons. Two lifting propulsion systems are disposed on pylons having two degrees of freedom relative to the yaw and pitch angle on each side of the fuselage so as to be capable of being fixed in position and of retracting forward or backward into fuselage niches during horizontal flight. A marching propulsion system is installed on a pylon having one degree of freedom relative to the pitch angle so as to be capable of being fixed in position, or is completely fixed, and is capable of being disposed in either the nose part or the tail part of the fuselage, and likewise on the leading edge or the trailing edge of the vertical stabilizer. The invention allows for increasing reliability and service life, increasing flight distance, and decreasing production costs for the convertiplane.

A mount system provides vibration isolation and support through a hybrid hard-soft configuration. The mount system includes a frame and a body connected with the frame. A first coupling element is provided on the body and defines a first opening. A second coupling element is provided on the frame and defines a second opening. A pin extends through the first and second openings to couple the body to the frame. At least one of the first and/or second openings operates as a damping hole with a series of slits disposed about the damping hole, so that the damping hole with the slits is configured to deflect to reduce the transmission of vibrations between the body and the frame.

An aircraft propulsion assembly including at least one first support that supports an electric propulsion system, at least one first attachment configured to connect the first support and a support structure of an aircraft, at least one second support distinct from and dissociated from the first support supporting a source of electrical energy configured to supply the electric propulsion system with electrical energy, as well as at least one second attachment configured to connect the second support and the support structure. An aircraft may include at least one such propulsion assembly. Given that the second support is distinct from and dissociated from the first support system, vibrations generated by the electric propulsion system are not transmitted to the source of electrical energy.

The invention relates to a turbomachine (1) extending along an axis (X), comprising a high-pressure body with a high-pressure compressor (4) coupled in rotation to a high-pressure turbine (6), and a low-pressure body including a low-pressure compressor (3) coupled in rotation to a low-pressure turbine (7), an upstream casing (14) located upstream of the high-pressure compressor (4), and means of suspension (12, 13) for the turbomachine (1), intended for attaching the turbomachine (1) to an aircraft pylon (11).

A power apparatus including: a first engine (13) and a second engine (14) symmetrically arranged side by side; a first rotating shaft (21) connected to an output end of the first engine; a second rotating shaft (22) connected to an output end of the second engine; and a speed reducer (3) connected to the first rotating shaft and the second rotating shaft, where a side face of the first engine facing away from the second engine and a side face of the second engine facing away from the first engine are each provided with an exhaust port. Further provided is an unmanned helicopter including the power apparatus.

An aircraft comprising a wing; a tractor propulsion means (TPM); a pusher propulsion means (PPM); a cruising propulsion means (CPM); and wherein the TPM is capable of providing a thrust, the direction of thrust reversibly movable from a forward propelling direction, to an upward propelling direction; and wherein the PPM is capable of providing a thrust, the direction of thrust reversibly movable from a forward propelling direction, to an upward propelling direction; and wherein the CPM is capable of providing a thrust, the direction of thrust being in a forward propelling direction; and wherein the TPM and PPM are connected to the wing, and wherein the TPM is located in fore of the wing and the PPM is located in aft of the wing.

A mount for coupling an engine to a vehicle includes an engine bracket to couple to the engine. The engine bracket includes a body that has a first end opposite a second end, and the body defines an offset coupling portion between the first end and the second end. The offset coupling portion protrudes from the body between the first end and the second end to define a receptacle. The mount includes a vehicle bracket to couple to the vehicle. The vehicle bracket includes a first bracket end opposite a second bracket end. The first bracket end is offset from the second bracket end and the first bracket end is received within the receptacle to couple the engine bracket to the vehicle bracket.