Air intake grille assembly, and methods of use and manufacture thereof
Some embodiments are directed to an air intake grille assembly of a vehicle operable in forward and backward directions of travel across a surface. The air intake grille assembly can include a frame defining an opening. The air intake assembly can also include a plurality of louvers extending laterally across the opening, at least one of the plurality of louvers having a double curve shape defining first and second curve portions, wherein the first and second curve portions each have a different radius of curvature.
1. An air intake grille assembly of a vehicle operable in forward and backward directions of travel across a surface comprising:
a frame defining an opening; and
a plurality of louvers extending laterally across the opening, at least one of the plurality of louvers being defined by opposed top and bottom surfaces and having a double curve shape defining first and second curve portions, the top surface terminates at a forward-facing surface and at a backward-facing surface, and the first and second curve portions each have a different radius of curvature, wherein
the first curve portion defines a single continuous curve shape that terminates at the forward-facing surface of the at least one of the plurality of louvers, and the second curve portion defines a single continuous curve shape that terminates at the backward-facing surface of the at least one of the plurality of louvers,
the first curve portion extends from the forward-facing surface to the second curve portion, and the second curve portion extends from the backward-facing surface to the first curved portion, and
the top surface extends along the first curve portion and is convex from the forward-facing surface to the second curve portion, and the top surface extends along the second curve portion and is concave from the backward-facing surface to the first curve portion.
2. The air intake grille assembly of claim 1 , wherein the first and second curve portions curve in opposing directions.
3. The air intake grille assembly of claim 2 , wherein the at least one of the plurality of louvers has a wave shape.
4. The air intake grille assembly of claim 1 , wherein the first curve portion is configured to be forward of the second curve portion such that air flows to the first curve portion before reaching the second curve portion when the vehicle is operated in the forward direction of travel.
5. The air intake grille assembly of claim 4 , wherein one of the first curve portion and the second curve portion has a greater radius of curvature than the other.
6. The air intake grille assembly of claim 5 , wherein the first curve portion has a greater radius of curvature than that of the second curve portion.
7. The air intake grille assembly of claim 6 , wherein a ratio of the radius of curvature of the first curve portion to the radius of curvature of the second curve portion is between 1.25 and 2.
8. The air intake grille assembly of claim 1 , wherein the at least one of the plurality of louvers is formed as a unitary structure such that first and second curve portions are continuous.
9. The air intake grille assembly of claim 1 , wherein the at least one of the plurality of louvers is greater in length than height, length being defined in the forward and backward directions of travel of the vehicle.
10. The air intake grille assembly of claim 9 , wherein the length of the at least one of the plurality of louvers is at least twice the height.
11. A louver of a vehicle grille configured to facilitate air passing therethrough when operated in a forward direction of travel, the louver comprising:
a laterally elongated body defined by opposed top and bottom surfaces and having a double curve shape defining first and second curve portions, the top surface terminates at a forward-facing surface and at a backward-facing surface, and the first and second curve portions each have a different radius of curvature, wherein
the first curve portion defines a single continuous curve shape that terminates at the forward-facing surface of the laterally elongated body, and the second curve portion defines a single continuous curve shape that terminates at the backward-facing surface of the laterally elongated body,
the first curve portion extends from the forward-facing surface to the second curve portion, and the second curve portion extends from the backward-facing surface to the first curved portion, and
the top surface extends along the first curve portion and is convex from the forward-facing surface to the second curve portion, and the top surface extends along the second curve portion and is concave from the backward-facing surface to the first curve portion.
12. The louver of claim 11 , wherein the first and second curve portions curve in opposing directions.
13. The louver of claim 12 , wherein the body has a wave shape.
14. The louver of claim 11 , wherein the first curve portion is configured to be forward of the second curve portion such that air passing through the vehicle grille flows to the first curve portion before reaching the second curve portion.
15. The louver of claim 14 , wherein one of the first curve portion and the second curve portion has a greater radius of curvature than the other.
16. The louver of claim 15 , wherein the first curve portion has a greater radius of curvature than that of the second curve portion.
17. The louver of claim 11 , wherein the body is formed as a unitary structure such that first and second curve portions are continuous.
18. The louver of claim 11 , wherein the body is greater in length than height, length being defined in a direction that air passes through the vehicle grille.
19. The louver of claim 18 , wherein the length of the louver is at least twice the height.
20. A vehicle having a front assembly configured to direct air flow to a radiator, the vehicle comprising:
a grille frame connected to the front assembly proximate the radiator, the grille frame defining an opening, and;
a plurality of louvers extending laterally across the opening, at least one of the plurality of louvers being defined by opposed top and bottom surfaces and having a double curve shape defining first and second curve portions, the top surface terminates at a front-facing surface and at a rear-facing surface, and the first and second curve portions each have a different radius of curvature, wherein
the first curve portion defines a single continuous curve shape that terminates at the front-facing surface of the at least one of the plurality of louvers, and the second curve portion defines a single continuous curve shape that terminates at the rear-facing surface of the at least one of the plurality of louvers,
the first curve portion extends from the front-facing surface to the second curve portion, and the second curve portion extends from the rear-facing surface to the first curved portion, and
the top surface extends along the first curve portion and is convex from the front-facing surface to the second curve portion, and the top surface extends along the second curve portion and is concave from the rear-facing surface to the first curve portion.