Removable internal air diffuser

Details Removable internal air diffuser Removable internal air diffuser

A - Human Necessities

47

L

A47L 9/00 (2006.01) A47L 5/14 (2006.01) A47L 7/00 (2006.01)

Patent

CA 2588242

Disclosed herein is a vacuum cleaner (10) having a housing (12) defining a blower port (62), an exhaust port (66), and a flow path between the blower port (62) and the exhaust port (66). The vacuum cleaner (10) also includes a removable cap (64) assembly for the blower port (62) to direct discharge airflow via the flow path to the exhaust port (66). The removable cap assembly (64), in turn, includes a cap head that engages the blower port (62) to close the blower port (62), a cap body coupled to the cap head and inserted in the flow path, the cap body comprising a frame through which the discharge airflow passes, and a sound-influencing material supported by the frame within the flow path to reduce noise effected by the discharge airflow. The sound- influencing material may include a reticulated foam roll disposed in the frame to diffuse the discharge airflow.

La présente invention décrit un aspirateur à air comprimé (10) doté d~un logement (12) définissant un orifice d~aspiration (62), un orifice d~évacuation (66), ainsi qu~une voie d~écoulement entre l~orifice d~aspiration (62) et l~orifice d~évacuation (66). L~aspirateur à air comprimé (10) comprend également un ensemble de bouchon amovible (64) pour l~orifice d~aspiration (62) destiné à diriger l~écoulement d~air d~évacuation par l~intermédiaire de la voie d~écoulement vers l~orifice d~évacuation (66). L~ensemble de bouchon amovible (64), comprend à son tour une tête de bouchon qui met en prise l~orifice d~aspiration (62) pour fermer l~orifice d~aspiration (62), un corps de bouchon couplé à la tête de bouchon et inséré dans la voie d~écoulement, le corps de bouchon comprenant une structure à travers laquelle l~écoulement d~air d~évacuation passe, et un matériau destiné à réduire le son supporté par la structure à l~intérieur de la voie d~écoulement pour réduire le bruit émanant de l~écoulement d~air d~évacuation. Le matériau destiné à réduire le son peut comprendre un rouleau de mousse réticulée disposé dans la structure pour diffuser l~écoulement d~air d~évacuation.

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