Radiation source cartridge and module containing same

• US 8,395,134 B2
• Filed: 12/16/2009
• Issued: 03/12/2013
• Est. Priority Date: 12/16/2008
• Status: Active Grant

• Current Assignee: Trojan Technologies Incorporated (Danaher Corporation)
• Original Assignee: Trojan Technologies Incorporated (Danaher Corporation)
• Inventors: Penhale, Douglas, Elku, Joseph, Hallett, Bradley
• Primary Examiner(s): Berman, Jack
• Assistant Examiner(s): SAHU, MEENAKSHI S
• Application Number:
  US12/639,142
• Publication Number:
  US 20100148094A1
• Time in Patent Office: 1,182 Days
• Field of Search: 250/504.R, 250/493.1, 250/436, 250/431
• US Class Current: 250/504.R
• CPC Class Codes: A61L 2209/12 Lighting means
• CPC Class Codes: A61L 9/20 Ultraviolet radiation
• CPC Class Codes: C02F 1/325 Irradiation devices or lamp constructions
• CPC Class Codes: C02F 2201/006 Cartridges
• CPC Class Codes: C02F 2201/007 Modular design
• CPC Class Codes: C02F 2201/3225 Lamps immersed in an open channel, containing the liquid to be treated
• CPC Class Codes: C02F 2201/3227 Units with two or more lamps

Abstract

There is disclosed an elongate radiation source cartridge. The cartridge comprises: (i) an elongate radiation source assembly having a proximal portion and distal portion, the distal portion of the elongate radiation source assembly being unsupported, (ii) a housing coupled to the proximal portion of the elongate radiation source assembly, and (iii) a power supply disposed within the housing, the power supply in electrical communication with the elongate radiation source assembly (in certain embodiments the power supply is optional). The elongate radiation source assembly and the housing are in substantial alignment with respect to a longitudinal axis of the elongate radiation source cartridge.

Claims

1. An elongate radiation source cartridge comprising:

(i) an elongate radiation source assembly having a proximal portion and distal portion, the distal portion of the elongate radiation source assembly being unsupported, (ii) a housing coupled to the proximal portion of the elongate radiation source assembly, and (iii) a power supply disposed within the housing, the power supply in electrical communication with the elongate radiation source assembly;

wherein;

(i) the elongate radiation source assembly and the housing are in substantial alignment with respect to a longitudinal axis of the elongate radiation source cartridge, and (ii) the elongate radiation source assembly comprises an elongate radiation source having an arc length that is longitudinally spaced from a distal end of the housing.

2. The elongate radiation source cartridge defined in claim 1, wherein the elongate radiation source assembly comprises an elongate radiation source disposed in an elongate protective sleeve.

3. The elongate radiation source cartridge defined in claim 2, wherein the radiation source has a radiation source length that is less than a protective sleeve length of the protective sleeve.

4. The elongate radiation source cartridge defined in claim 2, wherein the protective sleeve comprises an open proximal end that is coupled to the housing.

5. The elongate radiation source cartridge defined in claim 2, wherein the protective sleeve comprises a closed distal end that is unsupported.

6. The elongate radiation source cartridge defined in claim 1, wherein a proximal portion of the radiation source defines a fluid flow level limit.

7. The elongate radiation source cartridge defined in claim 6, wherein the fluid flow limit is spaced from a distal portion of the housing.

8. The elongate radiation source cartridge defined in claim 1, wherein the housing is elongate.

9. The elongate radiation source cartridge defined in claim 8, wherein a longitudinal axis of the housing is in substantial alignment with the longitudinal axis of the elongate radiation source cartridge.

10. The elongate radiation source cartridge defined in claim 8, wherein the elongate radiation source assembly and the housing are in a non-coaxial relationship.

11. The elongate radiation source cartridge defined in claim 8, wherein the elongate radiation source assembly and the housing are in a substantially coaxial relationship.

12. The elongate radiation source cartridge defined in claim 1, wherein the housing comprises a first cross-section taken along a plane normal to the longitudinal axis, the first cross-section having a shape that is symmetrical with respect to no more than a single axis taken through a mid-point of the shape.

13. The elongate radiation source cartridge defined in claim 12, wherein the shape is rectilinear.

14. The elongate radiation source cartridge defined in claim 12, wherein the shape is triangular.

15. The elongate radiation source cartridge defined in claim 12, wherein the shape is curvilinear.

16. The elongate radiation source cartridge defined in claim 12, wherein the shape is elongate with a pair of opposed non-symmetrical end portions.

17. The elongate radiation source cartridge defined in claim 16, wherein one end portion is linear and the other end portion is curved.

18. The elongate radiation source cartridge defined in claim 1, wherein the housing comprises a second cross-section taken along a plane parallel to the longitudinal axis, the second cross-section having a shape that tapers with respect to the longitudinal axis.

19. The elongate radiation source cartridge defined in claim 1, wherein the elongate radiation source assembly has a longitudinal length in the range of from about 30 inches to about 42 inches.

20. The elongate radiation source cartridge defined in claim 1, wherein the elongate radiation source assembly has a longitudinal length in the range of from about 32 inches to about 36 inches.

21. The elongate radiation source cartridge defined in claim 1, wherein the elongate radiation source assembly comprises an ultraviolet radiation source.

22. A radiation source module comprising a plurality of the elongate radiation source cartridges defined in claim 1.

23. The radiation source module defined in claim 22, further comprising a mounting plate for securing the plurality of elongate radiation source cartridges.

24. The radiation source module defined in claim 23, wherein the mounting plate comprises an aperture for each elongate radiation source cartridge.

25. The radiation source module defined in claim 24, wherein the aperature is coupled at its periphery to a cartridge holder element.

26. The radiation source module defined in claim 25, wherein the cartridge holder and the housing have a substantially complementary cross-sectional shape.

27. The radiation source module defined in claim 26, wherein the substantially complementary shape is configured to allow only a single correct placement of the housing in the cartridge holder.

28. The radiation source module defined in claim 22, wherein the mounting plate comprises at least one mounting element for mounting the radiation source module in a fluid treatment system.

29. The radiation source module defined in claim 22, wherein the mounting plate comprises a pair of mounting elements for mounting the radiation source module in a fluid treatment system.

30. The radiation source module defined in claim 22, wherein the mounting plate comprises a pair of opposed mounting elements for mounting the radiation source module in a fluid treatment system.

31. An elongate radiation source cartridge comprising:

(i) an elongate radiation source assembly having a proximal portion and distal portion, the distal portion of the elongate radiation source assembly being unsupported, (ii) a housing coupled to the proximal portion of the elongate radiation source assembly, the housing configured to allow only a single correct placement thereof in a cartridge holder of a radiation source module configured to be receive the housing;

wherein;

(i) the elongate radiation source assembly and the housing are in substantial alignment with respect to a longitudinal axis of the elongate radiation source cartridge; and

(ii) the elongate radiation source assembly comprises an elongate radiation source configured to have an arc length that is longitudinally spaced from a distal end of the housing.

32. The elongate radiation source cartridge defined in claim 31, further comprising:

(iii) a power supply disposed within the housing, the power supply in electrical communication with the elongate radiation source assembly.

33. The elongate radiation source cartridge defined in claim 31, wherein the housing comprises a first cross-section taken along a plane normal to the longitudinal axis, the first cross-section having a shape that is symmetrical with respect to no more than a single axis taken through a mid-point of the shape.

34. The elongate radiation source cartridge defined in claim 33, wherein the shape is rectilinear.

35. The elongate radiation source cartridge defined in claim 33, wherein the shape is triangular.

36. The elongate radiation source cartridge defined in claim 33, wherein the shape is curvilinear.

37. The elongate radiation source cartridge defined in claim 33, wherein the shape is elongate with a pair of opposed non-symmetrical end portions.

38. The elongate radiation source cartridge defined in claim 37, wherein one end portion is linear and the other end portion is curved.

39. The elongate radiation source cartridge defined in claim 31, wherein the housing comprises a second cross-section taken along a plane parallel to the longitudinal axis, the second cross-section having a shape that tapers with respect to the longitudinal axis.