1. A lamp assembly comprising:
a carrier having a front side and a backside provided with a plurality of passages therethrough:
a circuit board including a first surface and a second surface; and
a plurality of light sources mounted on said first surface, said first surface of said circuit board being aligned with said backside of said carrier, said plurality of light sources being aligned with said plurality of said passages in one-to-one relationship, said carrier and said circuit including mating step portions extending in separate planes.
2. The lamp assembly of claim 1 wherein at least one heat sink 28 is mounted in thermal contact with at least one of said plurality of light sources.
3. The lamp assembly of claim 1 wherein said heat sink is mounted to the second surface of said circuit board.
4. The lamp assembly of claim 1 wherein said heat sink is mounted to said carrier.
5. The lamp assembly of claim 4 wherein said carrier and said circuit board are substantially annular.
6. The lamp assembly of claim 5 wherein a light-transmissive optical assembly is operatively positioned with respect to said light sources.
7. The lamp assembly of claim 1 wherein said light sources are light emitting diodes.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. An assembly for removing or reducing the level of contaminants in a solution comprising:
a first light source having a longitudinal axis;
a plurality of second light sources provided about a line concentric to the longitudinal axis of the first light source;
a first photoelectrode provided between the first light source and plurality of second light sources;
a second photoelectrode provided around the second light sources;
at least one counterelectrode provided between the first photoelectrode and the second photoelectrode;
wherein the first photoelectrode and second photoelectrode each comprise a primarily titanium foil support with a layer of titanium dioxide provided on at least one surface the photoelectrode; and
wherein the first photoelectrode, second photoelectrode and at least one counterelectrode are each coupled to a respective terminal adapted to be electrically coupled to a power supply.
2. The assembly of claim 1, further comprising a bulkhead coupled to the at least one counterelectrode and first and second light sources.
3. The assembly of claim 1, wherein there at least three second light sources provided about a line concentric to the longitudinal axis of the first light source.
4. The assembly of claim 1, wherein there are five second light sources provided about a line concentric to the longitudinal axis of the first light source.
5. The assembly of claim 1, wherein there are six second light sources provided about a line concentric to the longitudinal axis of the first light source.
6. The assembly of claim 1, wherein the first and second light sources comprise a light sleeve and end cap and wherein the end cap is removeably coupled to the bulkhead member.
7. The assembly of claim 1, further comprising a spacer, the spacer comprising a peripheral concentric portion coupled to an axial concentric portion by at least one divider.
8. An assembly for removing or reducing the level of contaminants in a solution comprising:
a plurality of light sources spaced in a radial array between a first photoelectrode and a second photoelectrode;
at least one counterelectrode provided between the first photoelectrode and the second photoelectrode;
wherein the first photoelectrode and second photoelectrode each comprise a primarily titanium foil support with a layer of titanium dioxide provided on at least one surface the photoelectrode; and
wherein the first photoelectrode, second photoelectrode and at least one counterelectrode are each coupled to a respective terminal adapted to be electrically coupled to a power supply.
9. The assembly of claim 8, further comprising a longitudinal axis and a light source provided about the longitudinal axis.
10. The assembly of claim 8, further comprising a bulkhead coupled to the at least one counterelectrode and the light sources.
11. The assembly of claim 8, wherein there are more than three light sources spaced in a radial array between a first photoelectrode and a second photoelectrode;
12. The assembly of claim 8, wherein there are five light sources spaced in a radial array between a first photoelectrode and a second photoelectrode;
13. The assembly of claim 8, wherein there are six light sources spaced in a radial array between a first photoelectrode and a second photoelectrode;
14. The assembly of claim 8, wherein the first and second light sources comprise a light sleeve and end cap and wherein the end cap is removeably coupled to the bulkhead member.
15. The assembly of claim 8, further comprising a spacer provided between the first photoelectrode and the second photoelectrode, the spacer comprising a peripheral concentric portion coupled to an axial concentric portion by at least one divider.
16. An apparatus for removing or reducing the level of contaminants in a solution comprising:
a housing member having first opposing end and a second opposing end and at least partially defining a cavity having a cavity wall and a cavity longitudinal axis;
a first light source provided within the cavity;
a first photoelectrode provided between the first light source and the cavity wall;
a second photoelectrode provided between the first photoelectrode and the cavity wall;
a plurality of second light sources provided between the first photoelectrode and the second photoelectrode;
a counterelectrode provided between the first photoelectrode and the cavity wall;
wherein the first photoelectrode and second photoelectrode each comprises a primarily titanium foil support with a layer of titanium dioxide provided on at least one surface the photoelectrode; and
wherein the first photoelectrode, second photoelectrode and counterelectrode are each coupled to a respective terminal adapted to be electrically coupled to a power supply.
17. The apparatus of claim 15, wherein the first light source is provided about the cavity longitudinal axis.
18. The apparatus of claim 15, wherein the second light sources are spaced symmetrically around the cavity longitudinal axis.
19. The apparatus of claim 15, wherein the first photoelectrode is provided around the first light source.
20. The apparatus of claim 15, wherein the second photoelectrode is provided around the plurality of second light sources.