Underwater pool light

• US 7,553,040 B2
• Filed: 11/14/2006
• Issued: 06/30/2009
• Est. Priority Date: 11/14/2006
• Status: Active Grant

• Current Assignee: Pentair Water Pool And Spa Incorporated (Pentair Plc (Ireland))
• Original Assignee: Pentair Water Pool And Spa Incorporated (Pentair Plc (Ireland))
• Inventors: Leis, Kenneth K., Boothe, Brian J.
• Primary Examiner(s): Husar; Stephen F
• Application Number:
  US11/599,630
• Publication Number:
  US 20080112157A1
• Time in Patent Office: 959 Days
• Field of Search: 362/101, 362/264, 362/267, 362/294, 362/308, 362/328, 362/276, 362/293
• US Class Current: 362/101
• CPC Class Codes: F21S 8/00 Lighting devices intended for fixed installation F21S9/00, F21S10/00 take precedence; using a string or strip of light sources F21S4/00
• CPC Class Codes: F21V 23/0442 activated by means of a sensor, e.g. motion or photodetectors
• CPC Class Codes: F21V 5/00 Refractors for light sources characterised by cooling arrangements F21V29/504
• CPC Class Codes: F21W 2121/02 for fountains
• CPC Class Codes: F21W 2131/401 for swimming pools

Abstract

An underwater light that can include a mounting assembly attachable to a pool wall without having to make a niche in the wall, a housing coupled to the mounting assembly and including a light source cavity, a reflector in the light source cavity, a light source in front of the reflector, and a lens in front of the light source. The lens can include a plurality of contiguous parallel concave lens elements extending in a single direction to disperse light perpendicular to the single direction. The underwater light can include a removable lens cover that is at least one of red, green, yellow, and blue, in order to shine colored light into the pool.

Claims

1. An underwater light for attachment to a wall of a pool, the underwater light comprising:

a mounting assembly that attaches to the wall without having to make a niche in the wall;

a housing coupled to the mounting assembly, the housing including a light source cavity and a recessed gasket seat;

a reflector coupled to the housing in the light source cavity;

a light source positioned in the light source cavity in front of the reflector;

a gasket positioned in the recessed gasket seat;

a lens received within in the gasket and positioned in front of the light source, the lens including a plurality of contiguous parallel concave lens elements extending in a single direction to disperse light perpendicular to the single direction;

a face ring positioned over the gasket and the lens and coupled to the housing, the face ring including at least one notch; and

a removable lens cover including at least one tab to be received in the at least one notch, the removable lens cover positioned in front of the lens and being at least one of red, green, yellow, and blue in order to shine colored light into the pool.

2. The underwater light of claim 1 and further comprising a temperature sensor coupled to the housing in order to disconnect the light source from power when the underwater light overheats.

3. The underwater light of claim 2 wherein the temperature sensor is spaced from the light source.

4. The underwater light of claim 1 wherein the housing includes at least one opening that allows liquid to circulate behind the light source cavity.

5. The underwater light of claim 1 wherein the housing includes a power cord storage area.

6. The underwater light of claim 1 wherein the mounting assembly mounts the underwater light to a gunite pool wall.

7. The underwater light of claim 1 wherein the mounting assembly mounts the underwater light to a vinyl liner pool wall.

8. The underwater light of claim 1 wherein the reflector is hyperbolic in shape.

9. The underwater light of claim 1 wherein the light source is a halogen bulb.

10. The underwater light of claim 1 wherein the light source is mounted parallel to a plane of the wall of the pool.

11. The underwater light of claim 1 wherein the reflector is coupled to the housing with at least one of a bracket, a rivet, and aluminum tape.

12. The underwater light of claim 1 wherein the lens includes a continuous outer perimeter that forms a seal with the gasket.

13. The underwater light of claim 1 wherein the plurality of contiguous parallel concave lens elements are located on a rear face of the lens.

14. An underwater light for attachment to a wall of a pool, the underwater light comprising:

a mounting assembly that attaches to the wall without having to make a niche in the wall;

a housing coupled to the mounting assembly, the housing including a light source cavity;

a reflector coupled to the housing in the light source cavity;

a light source positioned in the light source cavity in front of the reflector;

a lens coupled to the housing in front of the light source by a face ring; and

a removable lens cover positioned in front of the lens and coupled to the face ring, the removable lens cover being at least one of red, green, yellow, and blue in order to shine colored light into the pool.

15. The underwater light of claim 14 and further comprising a temperature sensor coupled to the housing in order to disconnect the light source from power when the underwater light overheats.

16. The underwater light of claim 14 wherein the housing includes at least one opening that allows liquid to circulate behind the light source cavity.

17. The underwater light of claim 14 wherein the housing includes a power cord storage area.

18. The underwater light of claim 14 wherein the mounting assembly mounts the underwater pool light to a gunite pool wall.

19. The underwater light of claim 14 wherein the mounting assembly mounts the underwater pool light to a vinyl liner pool wall.

20. The underwater light of claim 14 wherein the reflector is hyperbolic in shape.

21. The underwater light of claim 14 wherein the light source is a halogen bulb.

22. The underwater light of claim 14 wherein the light source is mounted parallel to a plane of the wall of the pool.

23. The underwater light of claim 14 wherein the reflector is coupled to the housing with at least one of a bracket, a rivet, and aluminum tape.

24. The underwater light of claim 14 wherein the housing includes a recessed gasket seat and a gasket positioned in the recessed gasket seat, wherein the lens is positioned within the gasket, and wherein the lens includes a continuous outer perimeter that forms a seal with the gasket.

25. The underwater light of claim 14, wherein the face ring includes inner notches to receive the lens cover.

26. The underwater light of claim 14 wherein the lens includes a plurality of contiguous parallel concave lens elements extending in a single direction to disperse light perpendicular to the single direction.

27. The underwater light of claim 26 wherein the plurality of contiguous parallel concave lens elements are located on a rear face of the lens.