Patent ID: 7686285

Claim:
An environmental chamber, comprising: an enclosed chamber configured to receive a product therein; and an ultrasonic nebulizer assembly connected in closed-loop fluid communication with the enclosed chamber, the ultrasonic nebulizer assembly comprising: an enclosed reservoir configured to contain water therein and having an inlet connected to the enclosed chamber through an air intake conduit extending between the inlet and the enclosed chamber and an outlet connected to the enclosed chamber through an air exhaust conduit extending between the outlet and the enclosed chamber, the enclosed reservoir being connected in fluid communication with the enclosed chamber so that a closed-bog air flow path is provided between the ultrasonic nebulizer assembly and the enclosed chamber; an ultrasonic nebulizer module configured to be immersed in the water within the reservoir and operable to generate water vapor within the reservoir for introduction into the enclosed chamber through the outlet; and a forced air device located within the closed-loop air flow path and being operable to move the water vapor into the enclosed chamber.