Abstract: A ventilation or aeration device comprising an air vent for warm and/or fresh air. When used in a vehicle the device may serve as a window defogger by blowing warm air as well as a ventilator. In normal operation the vent may be manually manipulated as desired. When used as a defogger, opening of the warm air passage automatically directs the vent towards the window to be defogged or defrosted.

Abstract: A rotatable distributor comprising a frame section and a plate section which is associated with a coupling having clip means which press the plate against the frame. The device further comprises an incrementing or indexing element and a rotational guiding surface for guiding the plate with respect to the frame.

Abstract: The assembly of an enclosure containing a fluid, and a capsule comprising a casing which contains a heat-sensitive element, the capsule being mounted in a wall of the enclosure through a mounting arrangement comprising a metal part forming one end of the casing and engaging the heat-sensitive element, a seat formed in the wall and having a bottom provided with an opening which opens into the interior of the enclosure, a lateral orifice which opens to the outside, and an inner surface having an annular zone between the opening and the orifice, and means for inserting and holding the capsule inside the seat to seal the opening by urging the metal part towards the annular zone with the possible interposition of a seal.