IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0194079
(2005-07-29)
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등록번호 |
US-7850447
(2011-02-10)
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발명자
/ 주소 |
- Wylie, Brian
- Hauser, Richard
- Hanson, Ben
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
1 인용 특허 :
44 |
초록
▼
A combined igniter and flame sense electrode for a dual stage gas burner that includes a first burner and a second burner is disclosed. The electrode includes a first conductive element mounted on the shaft and positioned closer to the first burner than to the second burner; a second conductive elem
A combined igniter and flame sense electrode for a dual stage gas burner that includes a first burner and a second burner is disclosed. The electrode includes a first conductive element mounted on the shaft and positioned closer to the first burner than to the second burner; a second conductive element mounted on the shaft and positioned closer to the second burner than to the first burner; and one or more electrical connectors connected to the conductive elements. An electrode according to the invention can also be used with a single stage gas burner, by placing the first conductive element at the position of high level flame from the burner and by placing the second conductive element at the position of low level flame from the burner. A gas burner assembly incorporating such an electrode, and a gas appliance incorporating such a gas burner assembly, are also disclosed.
대표청구항
▼
What is claimed is: 1. A gas burner assembly comprising: a first burner including a first as port; a second burner including a second gas port, wherein the second burner is stacked with the first burner; and an electrode comprising: a non-conductive shaft; a first conductive element mounted on the
What is claimed is: 1. A gas burner assembly comprising: a first burner including a first as port; a second burner including a second gas port, wherein the second burner is stacked with the first burner; and an electrode comprising: a non-conductive shaft; a first conductive element mounted on the non-conductive shaft; a second conductive element mounted on the non-conductive shaft; and an electrical connector, wherein the first conductive element and the second conductive element are both electrically connected to the electrical connector; wherein the electrode is configured to generate a spark between at least one of the first conductive element and the first burner or the second conductive element and the second burner. 2. The gas burner assembly of claim 1, further comprising a central conductive portion between the first conductive element and the second conductive element, wherein the first conductive element, the second conductive element, the central conductive portion, and the electrical connector are electrically connected together. 3. The gas burner assembly of claim 2, wherein the first conductive element is annular in shape and formed of metal, and wherein the second conductive element is annular in shape and formed of metal. 4. The gas burner assembly of claim 1, further comprising a central nonconductive portion between the first conductive element and the second conductive element. 5. The gas burner assembly of claim 4, wherein the first conductive element is annular in shape and formed of metal, and wherein the second conductive element is annular in shape and formed of metal. 6. The gas burner assembly of claim 1, wherein the first conductive element is annular in shape and formed of metal, and wherein the second conductive element is annular in shape and formed of metal. 7. A gas burner assembly, comprising a first burner including a first gas port in a first surface of the first burner; a second burner including a second gas port in a second surface of the second burner, wherein the second burner is stacked with the first burner in a first direction so that the first gas port and the second gas port open in a second direction generally perpendicular to the first direction; and an electrode that includes a non-conductive support member; a first conductive element mounted on the support member and positioned closer to the first gas port than to the second gas port; a second conductive element mounted on the support member and positioned closer to the second gas port than to the first gas port; and an electrical connector, wherein the first conductive element and the second conductive element are both electrically connected to the electrical connector. 8. The gas burner assembly of claim 7, wherein the first conductive element is annular in shape and formed of metal, and wherein the second conductive element is annular in shape and formed of metal. 9. The gas burner assembly of claim 7, wherein at least a portion of the first conductive element is positioned relative to the first gas port of the first burner to form a first spark gap therebetween in the second direction, and wherein at least a portion of the second conductive element is positioned relative to the second gas port of the second burner to form a second spark gap therebetween in the second direction. 10. The gas burner assembly of claim 9, wherein the first spark gap is between 1 and 5 mm in the second direction, and wherein the second spark gap is between 1 and 5 mm in the second direction. 11. The gas burner assembly of claim 7, wherein the first burner is a main burner, and wherein the second burner is a simmer burner. 12. The gas burner assembly of claim 7, wherein the first burner is a main burner, wherein the second burner is a simmer burner, and wherein the first burner is stacked on top of the second burner in the first direction. 13. The gas burner assembly of claim 7, wherein the first burner is a main burner, wherein the second burner is a simmer burner, and wherein the second burner is stacked on top of the first burner in the first direction. 14. The gas burner assembly of claim 7, further comprising a central conductive portion between the first conductive element and the second conductive element, wherein the first conductive element, the second conductive element, the central conductive portion, and an electrical connector of the one or more electrical connectors are connected together. 15. The gas burner assembly of claim 14, wherein the first conductive element is annular in shape and formed of metal, and wherein the second conductive element is annular in shape and formed of metal. 16. The gas burner assembly of claim 7, further comprising a central nonconductive portion between the first conductive element and the second conductive element. 17. The gas burner assembly of claim 16, wherein the first conductive element is annular in shape and formed of metal, and wherein the second conductive element is annular in shape and formed of metal. 18. The gas burner assembly of claim 7, wherein the electrode further comprises a central conductive portion between the first conductive element and the second conductive element, and further wherein the first conductive element, the second conductive element, and the central conductive portion are integrally formed together. 19. A gas appliance, comprising: one or more gas burner assemblies, each gas burner assembly including a first burner including a first gas port in a first surface of the first burner; a second burner including a second gas port in a second surface of the second burner, wherein the second burner is stacked with the first burner in a first direction so that the first gas port and the second gas port open in a second direction generally perpendicular to the first direction; and at least one electrode, the electrode including a non-conductive support member; a first conductive element mounted on the support member and positioned closer to the first gas port than to the second gas port; a second conductive element mounted on the support member and positioned closer to the second gas port than to the first gas port; and an electrical connector, wherein the first conductive element and the second conductive element are both electrically connected to the electrical connector. 20. The gas appliance of claim 19, wherein the first conductive element is annular in shape and formed of metal, and wherein the second conductive element is annular in shape and formed of metal. 21. The gas appliance of claim 19, wherein at least a portion of the first conductive element is positioned relative to the first gas port of the first burner to form a first spark gap therebetween in the second direction, and wherein at least a portion of the second conductive element is positioned relative to the second gas port of the second burner to form a second spark gap therebetween in the second direction. 22. The gas appliance of claim 19, wherein the first spark gap is between 1 and 5 mm in the second direction, and wherein the second spark gap is between 1 and 5 mm in the second direction. 23. The gas appliance of claim 19, wherein the appliance is a cooking appliance, wherein the first burner is a main burner, and wherein the second burner is a simmer burner. 24. The gas appliance of claim 19, wherein the first burner is a main burner, wherein the second burner is a simmer burner, and wherein the first burner is stacked on top of the second burner in the first direction. 25. The gas appliance of claim 19, wherein the first burner is a main burner, wherein the second burner is a simmer burner, and wherein the second burner is stacked on top of the first burner in the first direction. 26. The gas appliance of claim 19, further comprising a central conductive portion between the first conductive element and the second conductive element, wherein the first conductive element, the second conductive element, the central conductive portion, and an electrical connector of the one or more electrical connectors are connected together. 27. The gas appliance of claim 26, wherein the first conductive element is annular in shape and formed of metal, and wherein the second conductive element is annular in shape and formed of metal. 28. The gas appliance of claim 19, further comprising a central nonconductive portion between the first conductive element and the second conductive element. 29. The gas appliance of claim 19, wherein the electrode further comprises a central conductive portion between the first conductive element and the second conductive element, and further wherein the first conductive element, the second conductive element, and the central conductive portion are integrally formed together. 30. The gas appliance of claim 19, further comprising a central conductive portion between the first conductive element and the second conductive element, wherein the first conductive element, the second conductive element, the central conductive portion, and the electrical connector are connected together. 31. A gas burner assembly comprising: a first burner including a first gas port, a second burner including a second gas port, wherein the second burner is stacked with the first burner; and an electrode comprising: a non-conductive shaft; a first conductive element mounted on the non-conductive shaft; a second conductive element mounted on the non-conductive shaft; a first electrical connector; a second electrical connector; and wherein the first conductive element is electrically connected to the first electrical connector and the second conductive element is electrically connected to the second electrical connector, and further wherein the first conductive element is configured to generate a first spark within a vicinity of the first gas port of the first burner under control of the first electrical connector and the second conductive element is configured to generate a second spark within a vicinity of the second gas port of the second burner under control of the second electrical connector. 32. The gas burner assembly of claim 31, wherein the first conductive element is annular in shape and formed of metal, and wherein the second conductive element is annular in shape and formed of metal. 33. The gas burner assembly of claim 31, further comprising a central nonconductive portion between the first conductive element and the second conductive element. 34. The gas burner assembly of claim 31, wherein the first conductive element is electrically isolated from the second conductive element. 35. A gas burner assembly, comprising a gas burner including a first stage burner adapted to produce a high level flame extending into a high flame region and a second stage burner adapted to produce a low level flame extending into a low flame region, and an electrode that includes a non-conductive support member; a first conductive element mounted on the non-conductive support member; a second conductive element mounted on the non-conductive support member; a first electrical connector; a second electrical connector; and wherein the first conductive element is electrically connected to the first electrical connector and the second conductive element is electrically connected to the second electrical connector, and further wherein the first conductive element is configured to generate a first spark corresponding to the first stage burner under control of the first electrical connector and the second conductive element is configured to generate a second spark corresponding to the second stage burner under control of the second electrical connector. 36. The gas burner assembly of claim 35, further comprising a central nonconductive portion between the first conductive element and the second conductive element. 37. The gas burner assembly of claim 35, wherein the first conductive element is electrically isolated from the second conductive element. 38. A gas appliance, comprising one or more gas burner assemblies, wherein at least one of the one or more gas burner assemblies comprises a first stage burner adapted to produce a high level flame extending into a high flame region and a second stage burner adapted to produce a low level flame extending into a low flame region; and at least one electrode, the electrode including a non-conductive support member; a first conductive element mounted on the non-conductive support member; a second conductive element mounted on the non-conductive support member; a first electrical connector; a second electrical connector; and wherein the first conductive element is electrically connected to the first electrical connector and the second conductive element is electrically connected to the second electrical connector, and further wherein the first conductive element is configured to generate a first spark corresponding to the first stage burner under control of the first electrical connector and the second conductive element is configured to generate a second spark corresponding to the second stage burner under control of the second electrical connector. 39. The gas appliance of claim 38, wherein the first conductive element is annular in shape and formed of metal, and wherein the second conductive element is annular in shape and formed of metal. 40. The gas appliance of claim 38, further comprising a central nonconductive portion between the first conductive element and the second conductive element. 41. The gas appliance of claim 38, wherein the first conductive element is electrically isolated from the second conductive element.
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