Catalytic fragrance burner assembly and a method of manufacture thereof
A catalytic fragrance burner assembly, comprising: a porous core of sintered material; a catalyst, deposited on or around the core; and a wick, in communication with the porous core, and arranged to draw fuel to the core.
1. A catalytic burner assembly, comprising:
a porous sintered metal core having a fused granular structure;
a catalyst, deposited on or around the core; and
a wick, in communication with the core, and arranged to draw fuel to the core.
2. The burner assembly according to claim 1 , wherein the sintered metal is bronze.
3. The burner assembly according to claim 1 , wherein the porous core has a porosity greater than 30%.
4. The burner assembly according to claim 1 , wherein the porous core has pore sizes from 15 to 150 microns.
5. The burner assembly according to claim 1 , wherein the catalyst is deposited on the porous sintered metal core.
6. The burner assembly according to claim 1 , further comprising: a metal substrate, positioned on or adjacent the porous sintered metal core; wherein the catalyst is deposited on the metal substrate.
7. The burner assembly according to claim 1 , wherein said porous sintered metal core is substantially cylindrical.
8. The burner assembly according to claim 7 , wherein said porous sintered metal core comprises a void, located at an end of the core, at least a first end of the wick being positioned within said void.
9. The burner assembly according to claim 1 , wherein said catalyst is platinum, palladium, lanthanum or a manganese oxide.
10. The burner assembly according to claim 1 , further comprising: a housing, arranged to hold the porous sintered metal core and the wick together.
11. The burner assembly according to claim 1 , wherein the burner assembly is a fragrance burner assembly.
12. The burner assembly according to claim 1 , further comprising:
a fuel reservoir, having an opening, wherein, in use, the burner assembly is positioned in the opening, and an end of the wick is positioned within the fuel reservoir.
13. A method of manufacturing a catalytic burner assembly, comprising:
providing a porous sintered metal core having a fused granular structure;
providing a catalyst on or around the core; and
providing a wick in a communication with the core.
14. The method of manufacture according to claim 13 , wherein said step of providing a catalyst on or around the porous sintered metal core includes a step of depositing a catalyst on the core.
15. The burner assembly according to claim 1 , wherein the pores of the porous sintered metal core extend from a first end to an opposite second end.
16. The burner assembly according to claim 6 , wherein the metal substrate is a band wrapped around the porous sintered metal core.
17. The burner assembly according to claim 1 , wherein the porous metal sintered metal core is a solid body.
18. The burner assembly according to claim 1 , wherein the catalyst is coated on the porous sintered metal core.
19. The burner assembly according to claim 1 , wherein the porous sintered metal core includes pores having an open cell structure.
20. The burner assembly according to claim 1 , wherein a majority of a body of the porous sintered metal core is porous.