Bathtub with air-water injection system

A - Human Necessities – 61 – H

Patent

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Details

A61H 33/02 (2006.01) A47K 3/02 (2006.01) A47K 3/10 (2006.01) B01F 3/04 (2006.01) E03C 1/084 (2006.01)

Patent

CA 2617880

A bathtub having a water pump and heater for heating and circulating water from the bathtub to at least one mixing chamber, an air blower and heater for delivering heated ambient air to the mixing chamber, and a plurality of orifices for delivering an air-water mixture from the mixing chamber to the bathtub. A wall of the mixing space may be associated with a wall of the bathtub, and the orifices may be in the wall providing direct fluid communication between the mixing space and the tub. The invention provides improved thermal stability and eliminates evaporative cooling effects in air-injected tubs.

Ce document décrit un bain doté d'une pompe et d'un dispositif de chauffage pour faire circuler et réchauffer l'eau contenue dans le bain. Le bain comporte au moins une chambre de mélange dans laquelle de l'air ambiant réchauffé par un dispositif de chauffage est injecté par une soufflerie pour se mélanger à l'eau du bain circulant grâce à la pompe. Le bain compte de multiples orifices par lesquels s'échappe le mélange d'air et d'eau après son passage dans la chambre de mélange. Si la paroi de la chambre de mélange est contiguë à celle du bain, cette dernière peut comporter des orifices qui permettent de faire passer le mélange eau-air directement de la chambre de mélange au bain. Cette invention offre une meilleure stabilité thermique et élimine l'effet de refroidissement par évaporation qui affecte les bains thérapeutiques à injection d'air.

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