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US 11,598,551 B2Granted
Air grille for an HVAC system with a collapsible filter holder
AssigneeCardinal IP Holding, LLC
InventorThomas J. Dykhuis
Life of this patent
Estimating the term…
Abstract
The present disclosure envisages an air grille. The air grille comprises a front face and a duct face end. The duct face end is in the opposite of the front face. A plurality of flaps are configured on the duct face end, wherein the flaps are capable of collapsing. During shipping the flaps are collapsed whereas before installation the flaps are uncollapsed to facilitate containment of an air filter. The air grille has first thickness when the flaps are collapsed and second thickness when the flaps are uncollapsed, wherein the first thickness is less than the second thickness.
Claims10
An air grille, comprising:
- a front face;
- and
- a duct face end comprising a plurality of flaps capable of collapsing, each flap of the plurality of flaps includes a first fixed portion, a second foldable portion joined to the first fixed portion at a first fold line, and a third foldable portion joined to the second foldable portion at a second fold line, the first fixed portion being parallel to the third foldable portion when in an uncollapsed configuration, and the second foldable portion being perpendicular to the first fixed portion and the third foldable portion when in the uncollapsed configuration,
- wherein at least one of the plurality of flaps is provided with one or more filter retainers provided on the second foldable portion and configured to restrict a lateral movement of an air filter.
1 more element
Dependencies are inferred from the claim text.