Claims
- 1. A synthetic ember for use in a gas fireplace comprising a refractory ceramic wool element coated with an oxidation catalyst.
- 2. The synthetic ember according to claim 1 wherein the oxidation catalyst is selected from the group consisting of Pt, Pd, Rh, Co, Mn and mixtures thereof.
- 3. The synthetic ember according to claim 2 wherein the oxidation catalyst is present in the amount in the range of about 0.10 wt. % to about 5.0 wt. %.
- 4. The synthetic ember according to claim 1 wherein the refractory ceramic wool has a surface area of from about 20 to about 200 square meters per gram and a density of about 0.01 to about 0.05 grams per cubic centimeter.
- 5. The synthetic ember according to claim 2 wherein the refractory ceramic wool has a surface area of from about 20 to about 200 square meters per gram and a density of about 0.01 to about 0.05 grams per cubic centimeter.
- 6. The synthetic ember according to claim 3 wherein the refractory ceramic wool has a surface area of from about 20 to about 200 square meters per gram and a density of about 0.01 to about 0.05 grams per cubic centimeter.
- 7. The synthetic ember according to claim 6 wherein the ember is less than one inch square and preferably less than one-half square inches each.
- 8. The method of combustion comprising burning a hydrocarbon containing gas in proximity to a plurality of synthetic embers according to claim 1.
- 9. A method of combustion comprising burning a hydrocarbon containing gas in proximity to a plurality of synthetic embers according to claim 8 wherein the oxidation catalyst is selected from the group consisting of Pt, Pd, Rh, Co, Mn and mixtures thereof.
- 10. The method of combustion comprising burning a hydrocarbon containing gas in proximity to a plurality of synthetic embers according to claim 8 wherein the refractory ceramic wool has a surface area of from about 20 to about 200 square meters per gram and a density of about 0.01 to about 0.05 grams per cubic centimeter.
- 11. A method of combustion comprising burning a hydrocarbon containing gas in proximity to a plurality of synthetic embers according to claim 9 wherein the refractory ceramic wool has a surface area of from about 20 to about 200 square meters per gram and a density of about 0.01 to about 0.05 grams per cubic centimeter.
- 12. A method of combustion comprising burning a hydrocarbon containing gas in proximity to a plurality of synthetic embers according to claim 8 wherein the refractory ceramic wool has a surface area of from about 20 to about 200 square meters per gram and a density of about 0.01 to about 0.05 grams per cubic centimeter.
- 13. In combination in a combustion chamber comprising
a burner, a support positioned above said burner and a plurality of synthetic embers according to claim 1 arrayed over said support.
- 14. A combination according to claim 13 wherein the oxidation catalyst is selected from the group consisting of Pt, Pd, Rh, Co, Mn and mixtures thereof.
- 15. A combination according to claim 14 wherein the oxidation catalyst is present in an amount in the range of about 0.10 wt. % to about 5.0 wt. %.
- 16. A combination according to claim 13 wherein the refractory ceramic wool has a surface area of from about 20 to about 200 square meters per gram and a density of about 0.01 to about 0.05 grams per cubic centimeter.
- 17. A combination according to claim 14 wherein the refractory ceramic wool has a surface area of from about 20 to about 200 square meters per gram and a density of about 0.01 to about 0.05 grams per cubic centimeter.
- 18. A combination according to claim 15 wherein the refractory ceramic wool has a surface area of from about 20 to about 200 square meters per gram and a density of about 0.01 to about 0.05 grams per cubic centimeter.
- 19. A combination according to claim 18 wherein the embers are less than one inch square and preferably less than one-half square inches each.
- 20. A synthetic ember according to claim 1 wherein the oxidation catalyst comprises Pt.
- 21. A method of combustion according to claim 8 wherein the oxidation catalyst comprises Pt.
- 22. A combination according to claim 13 wherein the oxidation catalyst comprises Pt.
- 23. A synthetic ember according to claim 1 wherein the refractory ceramic wool elements comprise filaments having diameters 3 microns and larger.
- 24. A method of combustion according to claim 8 wherein the refractory ceramic wool elements comprise filaments having diameters 3 microns and larger.
- 25. A combination according to claim 13 wherein the refractory ceramic wool elements comprise filaments having diameters 3 microns and larger.
Parent Case Info
[0001] This application claims the benefit of provisional application No. 60/311,204, filed Aug. 09, 2001.
Provisional Applications (1)
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Number |
Date |
Country |
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60311204 |
Aug 2001 |
US |