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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0774168 (1996-12-26) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 334 인용 특허 : 11 |
A combustor method and apparatus is provided. The method utilizes flameless combustion with one or more of three improvements to enhance ignition of the flameless combustor. A catalytic surface can be provided within a combustion chamber to provide flameless combustion at least in the vicinity of th
A combustor method and apparatus is provided. The method utilizes flameless combustion with one or more of three improvements to enhance ignition of the flameless combustor. A catalytic surface can be provided within a combustion chamber to provide flameless combustion at least in the vicinity of the catalytic surface at a temperature that is much lower than the autoignition temperature of fuel in air without the presence of the catalytic surface. Nitrous oxide or supplemental oxygen may also be used as an oxidant either instead of air or with air to reduce ignition temperatures. Further, electrical energy can be passed through the fuel conduit, raising the temperature of the conduit to a temperature above which the fuel will ignite when combined with the oxidant.
[ We claim:] [1.] A flameless combustor comprising:an axial combustion chamber in communication with an inlet for oxidant at one end and in communication with a combustion product outlet at the other end;a fuel conduit within the axial combustion chamber, the fuel conduit defining a fuel volume, the
[ We claim:] [1.] A flameless combustor comprising:an axial combustion chamber in communication with an inlet for oxidant at one end and in communication with a combustion product outlet at the other end;a fuel conduit within the axial combustion chamber, the fuel conduit defining a fuel volume, the fuel volume in communication with a fuel supply, and in communication with the combustion chamber through a plurality of orifices located along the fuel conduit, each of the orifices separated by an interval distance wherein the oxidant can pass through the combustion chamber and mix with fuel passing through the orifices from the fuel volume as the oxidant passes from the inlet end to the combustion product outlet;a catalytic surface located within the axial combustion chamber, the catalytic surface effective to reduce the autoignition temperature of a mixture of fuel and oxidant from a noncatalyzed autoignition temperature to a catalyzed autoignition temperature; andan electrical power supply effective to pass electrical current through the fuel conduit in an amount effective to heat the fuel conduit in the vicinity of at least one orifice to temperature above a temperature at which the fuel will ignite when the fuel passes through the orifices.
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