Abstract:
A stiffening element 11 comprising at least a first stiffening profile 1and at least a second stiffening profile 2. The first stiffening profile 1 comprises a profile member 4, at least one structural flange 8 is connected to the profile member 4, a through-passage 9 extending through the profile member 4,and at least one support flange 10 is connected to the profile member 4.The second stiffening profile 2 comprises a bottom portion 12 and at least one support side portion 13 connected to the bottom portion 12. Furthermore, the invention relates to a method for manufacturing a stiffening element 11 and a method for manufacturing a reinforced structure 15, wherein the reinforced structure 15 comprises at least one structural element 14 and at least one stiffening element 11.
Abstract:
The present invention relates to an electric detonator (1) comprising a cap (2), comprising a priming charge (3) and an electrode (4), comprising a positive pole, a negative pole and a resistor element (8), the said priming charge (3) comprising at least two primary explosives, a first primary explosive (9) and a second primary explosive (10), and at least one secondary explosive (11). The electric detonator is characterized in that the two primary explosives (9, 10) and the secondary explosive (11) are arranged in layers, in an increasing degree of sensitivity, bearing one against the other, wherein the first primary explosive (9), constituting the most sensitive of the two primary explosives (9, 10), is arranged closest to the resistor element (8), and in that the second primary explosive (10) is arranged thereafter between the first primary explosive (10) and the secondary explosive (11). The invention also relates to a production method for the said electric detonator (1).
Abstract:
The invention relates to an end-effector body (210, 252, 310) for a fixture device comprising a first fixing point (218, 262, 318) for attachment to an article (270, 370, 470), wherein the end-effector body (210, 252, 310) comprises a second fixing point (220, 262, 320) for article (270, 370, 470) attachment. The fixing points (218, 220, 262, 318, 320) are arranged to face away from the end-effector body (210, 252, 310) in different directions. The invention also regards an adjustable fixture device (400) comprising such end-effector body (210, 252, 310).
Abstract:
The present invention relates to a portable device comprising a protective housing and antenna. The antenna comprises an antenna element and a ground plane. Further the antenna is integrally arranged along the protective housing. The protective housing is designed as a spacing element between the antenna element and the ground plane. Further the protective housing is adapted to hold a radio unit. The invention further relates to a garment adapted to house the portable device and the radio unit.
Abstract:
A head-up display system for a vehicle facilitating the use of night vision goggles for a person in the vehicle during night vision conditions, the system comprising a light source for providing light to an image source, which image source is arranged to project an image on a semi-transparent combiner mirror; the combiner mirror being arranged to superimpose the projected image onto a view of the environment in front of the vehicle by transmitting light rays from the environment and at the same time reflecting the projected image towards the eyes of an observer wherein the system comprises a first and a second light source for alternatively providing light to the image source; the first light source being arranged to emit light of a first colour to be used during daylight conditions, and the second light source being arranged to emit light of a second colour to be used during night vision conditions, wherein the first colour is in a first light emission spectrum and perceived as green and the second colour is in a second emission spectrum and perceived as yellow or orange.
Abstract:
The invention relates to a method for analysing images generated from at least one imaging system on at least one satellite. The method comprises providing at least three images of an area of interest from the at least one imaging system, where the at least three provided images are provided from at least three different angles,establishing point correspondence between the at least three provided images,generating at least two sets of three-dimensional information based on the at least three provided images, wherein the at least two sets of three-dimensional information are generated based on at least two different combinations of at least two of the at least three provided images of the area of interest,and comparing the at least two sets of three-dimensional information so as to determine discrepancies and providing information related to the imaging system and/or errors in the images based on the determined discrepancies. The invention also relates to a method for image correction, a system, a computer program and a computer program product.
Abstract:
The invention regards an airframe leading edge part designed to be replaceable fixed to a structural portion (20, 21, 33) which during use moves through the air, the airframe leading edge part (19, 19') comprises a first (39) and a second (41) longitudinal joint edge adapted to fit the structural portion (20, 21,33). A joint (47)or a multitude of joints (45, 47, 47', 47'') is provided between the structural portion (20, 21, 33) and at least one of the longitudinal joint edges (39, 41). The joint(47) being adapted to break in the event of an eventual object (26, 26'), such as a bird, strikes and deforms the airframe leading edge part (19, 19') during said use. The joint(47) being designed to break at beforehand determined maximum joint strength (Pmax) of the joint (47). The invention also regards a repairing method for exchanging a damaged leading edge.
Abstract:
The present invention relates to a de-icing arrangement (400) and a method for de-icing a structural element (610). The de-icing arrangement comprises at least one electromagnetic actuator (404),a capacitive storage bank (403),a control unit (401) arranged to provide an excitation pulse to the at least one electromagnetic actuator,and a charging circuit (402) arranged to charge the capacitive storage bank (403). The at least one electromagnetic actuator (404) is arranged to expand in at least one direction when fed with the excitation pulse. The at least one electromagnetic actuator (404) is arranged in abutting relation to said structural element so as to apply a mechanical force caused by the expansion on the structural element. The control unit (401) is arranged to control current discharge of the capacitive storage bank into the at least one electromagnetic actuator so as to abort the excitation pulse at a predetermined timing after start of the pulse.
Abstract:
The present invention regards an aerial article comprising a composite skin (5), a leading edge (1) facing the airflow (a) during the use of the aerial article (3), an erosion resistant coating (7) comprising a metallic material, and an aerodynamic surface (9). The coating (7) partly or entirely covers the composite skin (5) of the aerial article (3), wherein the coating (7) is of such high porosity that moisture transportation (MT) is permitted from the composite skin (5) to the aerodynamic surface (9) of the coating (7), and of such low porosity that erosion protection of the composite skin (5) still is achieved during said use. It also regards a method of applying an erosion resistant coating (7) comprising a metallic material to a composite skin (5) of an aerial article (3). It is made by providing an erosion resistant coating material (45) onto the composite skin (5) over a selected area of the article (3) wherein the coating is porous. Finally, polishing the outer surface (9) of the coating (7) is made so that a smooth aerodynamic surface is achieved.
Abstract:
The present invention regards a structurally integrated curved structure (13, 13', 13'') comprising a curved transition region (15) being defined between a tip section (42) and a root section (11, 21), an upper and lower composite skin (27, 29) comprising an inner surface (45) fixed to a substructure (31) of said transition region (15), the substructure (31) and skins (27, 29) are, during use of the structure (13, 13', 13''), subjected to a bending moment (M), each skin (27, 29) of said transition region (15) comprises elongated reinforcement fiber-like elements. The lower composite skin (29) comprises reinforcing fibersand/or nano tubes(41, 43), which are oriented transverse to the inner surface (45). The invention also regard sa method for producing the structurally integrated curved structure (13, 13', 13'').