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Humidifier

  • US 6,135,432 A
  • Filed: 08/25/1997
  • Issued: 10/24/2000
  • Est. Priority Date: 06/08/1995
  • Status: Expired due to Term
First Claim
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1. A humidifier for producing humidified air, comprising a housing having an air inlet for receiving air to be humidified, an air outlet for discharging humidified air, and an elongate passageway extending between the air inlet and air outlet for directing air from the air inlet to the air outlet, the passageway being adapted to be partially filled with water so that air passing along the passageway becomes humidified as it passes over the water from the air inlet to the air outlet, said passageway being divided into a plurality of elongate subpassageways and at least one corner portion, each subpassageway being substantially straight, and the subpassageways being connected end to end along the length of the passageway by one or more of the corner portions and wherein said housing has a relatively low profile, being of generally flat, box-shaped construction, and includes a recess in its upper surface shaped to be of a complementary shape to an underside of a continuous positive airway pressure device adapted to be mounted thereon, wherein the passageway is provided with at least one generally U-shaped corner portion which bulges outwardly at the inside side of the corner defined by the corner portion so as to force air passing through the corner portion outwardly towards the outside side of the corner defined by the corner portion.

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