Ball louver with liner assembly

F - Mech Eng,Light,Heat,Weapons – 24 – F

Patent

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Details

F24F 13/14 (2006.01) B60H 1/34 (2006.01)

Patent

CA 2154301

A ball louver assembly for controlling the direction of pressurized air passing through the openings of a ball shaped louver. The ball louver mechanism comprises a ball louver liner, which holds the ball louver and liner inside and between front and rear retainer rings. An inner ring attached to the back edge of the front retainer ring allows the ball louver with its attached liner to be turned in any rotational direction to direct the forced air as desired. The structure of the ball louver and the liner allows the ball louver to be turned into a position to close, reduce or select the direction of the pressurized air leaving the air conditioner through the openings in the ball louver body. This structure is similar to basic gyroscope axis principles in its mobility of the ball louver in any direction by incorporating a new liner with or without spring-like compression effects and/or with or without notch-bump presence to help hold the ball louver in the last desired position without vibration or forced air being able to cause movement of the ball louver from its last desired set position. Another feature in the liner gives compression spring-like increased coefficient of friction to the axle of the rotational ball louver to hold in the desired set position.

Cette invention concerne un registre sphérique servant à orienter le jet d'un diffuseur d'air. Le mécanisme du registre comprend un anneau servant à retenir le registre sphérique entre des bagues de retenue avant et arrière. Une bague intérieure fixée à la rive arrière de la bague de retenue avant permet de faire pivoter le registre sphérique et l'anneau ci-dessus dans tous les sens pour orienter le souffle d'air dans la direction souhaitée. L'ensemble registre et anneau est construit de façon à permettre la fermeture totale ou partielle du registre ou encore l'orientation du jet d'air refroidi sortant par les ouvertures de celui-ci. La disposition constructive adoptée applique les principes de base du mouvement gyroscopique et fait appel à un nouveau type d'anneau élastique ou non et muni ou non d'encoches et bossages pour retenir le registre dans la dernière position choisie contre l'effet des vibrations ou de la force de l'air soufflé. L'anneau se caractérise aussi par une action de compression élastique ayant pour effet d'augmenter le coefficient de frottement des axes du registre sphérique pour maintenir celui-ci dans la position choisie.

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