Abstract: A supply air terminal (10) is provided, comprising a wall member (11) surrounding an opening (110); a deflector (12) connected at a distance from the wall member to face the opening, thereby forming an annular aperture (13) between the wall member and the deflector; and a plurality of flaps (14) pivotably connected at a hinge (15) to the wall member to hang down in the annular aperture such that an open slit (16) is formed between an edge (142) of each flap and the deflector, wherein the slit has a width which is self-adjusted by means of the flaps pivoting under influence of the airflow through the terminal.

Abstract: Supply Air device (1) for controlling supply air flow to a building space, comprising a chamber (2) having a supply air inlet (3) and an air outlet (4). A first tube (10) in the chamber is connected at an open first end (11) to the supply air inlet, wherein the first tube has a side wall (13) which is permeable to air. A throttle member (30) is slidably connected to the first tube to change a degree of exposure of the side wall to control air flow through said side wall to the outlet. The exposable side wall comprises a layer of porous material (14) through which air is discharged.

Abstract: A fluid valve comprises a fluid conduit and a flow reducing device. The fluid conduit includes a fluid input end and a fluid output end. The flow reducing device comprises a first fluid passage and is configured to adjust the width of the first fluid passage. The first fluid passage has a narrow width over an extended flow distance that is delimited by internal walls that cause a pressure gradient in fluid passing through the first fluid passage. The flow reducing device further comprises a second fluid passage having a narrow width over an extended flow distance that is delimited by internal walls. The first fluid passage and the second fluid passage are parallel to each other. The flow reducing device further comprises a plurality of damping elements having surface portions parallel to each other. The facing surface portions of adjacent pairs of said damping elements define the internal walls delimiting the first and second fluid passages.