摘要:
The invention relates to a compound helicopter (1) comprising a fuselage (2), at least one engine (14) and a main rotor (11) driven by said at least one engine (14). At least one pair of fixed wings are mounted in an essentially horizontal plane on a left hand and a right hand side of the fuselage (2) and horizontally oriented propulsion devices (12, 13) are mounted to each of said fixed wings, said fixed wings encompassing each a drive shaft (16) from said at least one engine (14). Each fixed wing comprises a lower main wing (18) and an upper secondary wing (19) being connected to each other within an interconnection region (22). The propulsion devices (12, 13) are arranged at said interconnection region (22) and said upper secondary wing (19) houses the drive shaft (16) from said at least one engine (14).
摘要:
An obstacle information system and method for a helicopter with a warning information processor (3) and a display unit (1) for any obstacle (2) within a predetermined minimum distance d4. Said warning information processor (3) is fed with information related to detected distance d5 and direction of said at least one obstacle (2) detected by an obstacle sensor system (4) to compute and prepare the information for presentation on the display unit (1). Said display unit (1) comprises at least an indication area with a central circular surface (6) and a concentric ring-shaped area (7) around the circular surface (6). Said circular surface (6) is used exclusively for alerts. The ring-shaped area (7) is used for both. Warnings and alerts and the repartition in the indication area of circular surface (6) and ring-shaped area (7) are dependent on the detected distance d5 of said at least one obstacle (2).
摘要:
An air vehicle with a slip protecting and gas sealing composite floor (1, 10) inside a fuselage, particularly a helicopter with a slip protecting and gas sealing composite floor (1, 10) inside a fuselage. Said slip protecting and gas sealing composite floor (1, 10) is built up of a profiled elastomer layer (2) provided at its bottom side with a cross-linking agent, n-layers (3) of a further component or a variety of different components and partially thermosetting resin covered by a profiled elastomer layer (2), a honey comb layer (4) and lower n-layers (5) of said further component or variety of different components and partially thermosetting resin, said honey comb layer (4) being sandwiched between said n-layers (3) and said lower n-layers (5).
摘要:
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 an actuation device disposed on the cantilever. The universal joint defines a vertical axis of rotation and is configured to receive a door fitting. The actuation device includes an output drive connected to the universal joint at the vertical axis of rotation.
摘要:
The invention relates to a method for reproducing a recorded flight mission of an aircraft, in particular a helicopter, from an observer position by means of a flight simulation system. Flight data, which are recorded by a storage medium of a simulation computer and whose purpose is reproduction, can be retrieved by the flight simulation system. Furthermore, there is a device for carrying out the method. The object of the invention is to further improve, during reproduction of a recorded flight mission, the intuitive detectability of a deviation from a desired target flight path from an observer position by means of a flight simulation system for an aircraft. The problem is solved in that the simulation computer is equipped with a program for calculating at least one virtual observer position, where the program, with its effect on a program of a display computer, can control the display computer's help program for displaying a flight tunnel and the display computer's help program for displaying a three-dimensional image of the aircraft so that by means of the flight simulation system, a virtual observer position with a view of the aircraft during the flight mission can be displayed.
摘要:
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 assigned to the feed line, and the valve head is in closed position when there is no feed pressure from the feed pump. The danger of feed line leakage for combustion engines that burn liquid fuel is eliminated using a coaxial second valve using no additional space to solve the problem. The other essentially coaxial valve within the main valve is in open position opposite the feed direction when the pressure at the outlet channel is greater than the feed pressure. The valve arrangement functions as a check valve when the combustion engine is running, and as an overpressure valve when it is off. The solution does not requiring additional installation space, and can be economically integrated into existing fuel systems without any substantial installation effort.
摘要:
A hybrid drive system for aircraft, in particular helicopters, with at least one energy generating module having an internal combustion engine and a generator that can be powered by the latter to generate electrical energy, and at least one electric motor for powering a drive means of the aircraft.
摘要:
A landing gear vibration absorber (1) of a helicopter (2) with a landing gear (3) comprising a pair of skids (4, 5) and at least one cross tube (6, 7) for mounting the skids (4, 5) to a helicopter's fuselage (8). At least one spring-mass system (10, 20, 24) is mounted to the landing gear (3). Said at least one spring-mass system (10, 20, 24) is tuned to the helicopter's main excitation frequency and said at least one spring-mass system (10, 20, 24) being located at or near at least one antinode of the landing gear (3). The invention is related as well to a method of operating a landing gear vibration absorber (1) of a helicopter (2).
摘要:
An air inlet (10) for an engine (20) of an aircraft (50), the air inlet (10) having a duct (2) feeding outside air to said engine (20) together with a filter system combining at least one filter (3) and at least one bypass device (4). Said filter (3) and said bypass device (4) are fastened on a common support (1) situated at one end of said duct (2) and on a flank of a fuselage (51) of said aircraft (50). Said bypass device (4) comprises a cover (5) and an actuator (6) controlling opening of said cover (5). Thus, when said filter (3) no longer allows outside air to pass therethrough, said cover (5) is opened, and outside air passes via the bypass device (4) in order to feed said engine (20) with outside air.
摘要:
A heat control system for an adaptive consolidation roller (8) for the production of consolidated layers (2) made of fiber reinforced polymers comprising the adaptive consolidation roller (8) for applying, on an application surface (3), a band (4) formed of at least one resin pre-impregnated flat tape (5), and a heating system (6, 7) adapted to emit heat radiation directed towards the band (4). Said adaptive consolidation roller (8) is rotatable on a spindle (9) and comprises a surface made of an elastic deformable, flexible material. At least one additional roller (10) with thermal control means is provided and said at least one additional roller (10) is pressed from radial outside against the surface of the adaptive consolidation roller (8).