Room ventilation system, for injecting large amount of air into large rooms, has first nozzle and second nozzle arranged following each other in direction of flow

摘要

Room ventilation system has a first nozzle (1) and second nozzle (2) whereby the first and second nozzle are arranged following each other in the direction of flow. The first and second nozzle are arranged axially at a distance from each other, such that an intermediate space (5) exists which is in connection with surroundings of the room to be ventilated. Independent claims are also included for: (A) A nozzle for room ventilation system; and (B) A room ventilation method.