Insulated air diffuser

  • US 5,658,196 A
  • Filed: 11/09/1995
  • Issued: 08/19/1997
  • Est. Priority Date: 11/09/1995
  • Status: Expired due to Fees
First Claim
Patent Images

1. An air duct diffuser for attachment to a ceiling which can be used for diffusing air from an air duct located in the ceiling, the air duct diffuser comprising:

  • a metal frame which mounts to a support structure of the ceiling;

    a louvre which mounts to the metal frame for diffusingly directing air from the air duct;

    a preformed, composite housing of insulating material which mounts to the metal frame, the housing having a duct opening provided therein to closely receive the air duct;

    wherein the performed, composite housing is comprised of fiberglass duct board;

    wherein the fiberglass duct board is preformed in a shape which is complimentary to the metal frame for receiving the metal frame and forming a backing therefor; and

    wherein the fiberglass duct board has an inner side which receives the metal frame and an outer side, the outer side being covered with a metal foil vapor barrier.

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