Abstract: Method for extinguishing a fire in a space, especially in a tunnel or equivalent, in which method an extinguishing medium is sprayed in the space by means of spraying heads. In a first stage of the method, the flow and temperature of the hot gases produced by the fire are influenced by spraying an extinguishing medium into the space, especially by creating in the space at least one curtain (7) of extinguishing medium, and at least some spraying heads (11, 12) in the space are pre-activated into a state of readiness, and in a second stage at least one spraying head is activated to produce a spray of extinguishing medium. The invention also concerns an apparatus.

Abstract: A spraying head for the humidification of intake air of a piston engine has a body and channels for supplying a spraying medium from an inlet to nozzles. A shutting/regulating mechanism respectively shuts off/regulates the channels.

Abstract: Fire extinguishing method, especially for spaces intended for the storage of aircraft, such as hangars, in which method a fire extinguishing medium, especially a liquid mist, is sprayed via at least one first nozzle (2) in the area, seen in a vertical direction, between an object (1) to be protected/extinguished, such as an aircraft, and the floor (3) or equivalent af the storage space. At least one first nozzle (2) is arranged to spray mainly in the area between the object (1) to be extinguished, such as an aircraft, and the floor (3) of the storage space or equivalent at least in a horizontal plane mainly in one first direction.

Abstract: Method for extinguishing a fire in a space, especially in a tunnel or equivalent, in which method an extinguishing medium is sprayed in the space by means of spraying heads. In a first stage of the method, the flow and temperature of the hot gases produced by the fire are influenced by spraying an extinguishing medium into the space, especially by creating in the space at least one curtain (7) of extinguishing medium, and at least some spraying heads (11, 12) in the space are pre-activated into a state of readiness, and in a second stage at least one spraying head is activated to produce a spray of extinguishing medium. The invention also concerns an apparatus.

Abstract: A spraying head for the humidification of intake air, especially the intake air of a piston engine, said spraying head comprising a body and a channel for supplying a spraying medium from an inlet to at least one nozzle. The spraying head (6) is provided with at least two channels (18, 18?, 18?), each forming a separate passage to at least one nozzle (9, 10, 11).

Abstract: Fire extinguishing method, especially for spaces intended for the storage of aircraft, such as hangars, in which method a fire extinguishing medium, especially a liquid mist, is sprayed via at least one first nozzle (2) in the area, seen in a vertical direction, between an object (1) to be protected/extinguished, such as an aircraft, and the floor (3) or equivalent af the storage space. At least one first nozzle (2) is arranged to spray mainly in the area between the object (1) to be extinguished, such as an aircraft, and the floor (3) of the storage space or equivalent at least in a horizontal plane mainly in one first direction.