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    • 6. 发明授权
    • Torch igniter
    • 火炬点火器
    • US06748735B2
    • 2004-06-15
    • US10217972
    • 2002-08-13
    • Stephen N. SchmotolochaDonald H. MorrisCalvin Q. Morrison, Jr.Robert J. Pederson
    • Stephen N. SchmotolochaDonald H. MorrisCalvin Q. Morrison, Jr.Robert J. Pederson
    • F02C726
    • F23Q13/00
    • An improved torch igniter for use in devices such as thrust augmenters, gas turbine engines, ramjets, combined-cycle engines and industrial burners. The torch igniter includes a housing with a combustion chamber. Fuel and oxidizer are delivered into the combustion chamber and ignited by an electronic ignition source, such as a plasma jet igniter or a spark igniter, so that an upstream recirculation zone and a downstream recirculation zone are created. The upstream recirculation zone stabilizes and pilots combustion within the combustion chamber, while the downstream recirculation zone augments the combustion event. Byproducts of the combustion event within the torch igniter provide a high mass flux with high thermal energy and strong ignition source radicals that are discharged through a neck portion of the housing and are thereafter employed to initiate a primary combustion event in a primary combustor.
    • 改进的用于诸如推力增强器,燃气涡轮发动机,压路机,联合循环发动机和工业燃烧器的装置中的割炬点火器。 火炬点火器包括具有燃烧室的壳体。 燃料和氧化剂被输送到燃烧室中,并被诸如等离子体喷射点火器或火花点火器的电子点火源点燃,从而产生上游再循环区域和下游再循环区域。 上游再循环区域稳定并引导燃烧室内的燃烧,而下游再循环区增加燃烧事件。 火炬点火器内的燃烧事件的副产物提供具有高热能的高质量通量和强烈的点火源自由基,其通过壳体的颈部部分排出,然后用于在初级燃烧器中引发初级燃烧事件。
    • 9. 发明授权
    • Compact swirl augmented afterburners for gas turbine engines
    • 燃气涡轮发动机紧凑型漩涡增强后燃烧器
    • US07137255B2
    • 2006-11-21
    • US11095647
    • 2005-03-31
    • Stephen N SchmotolochaDonald H MorrisRobert J PedersonRaymond B EdelmanCalvin Q Morrison, Jr.
    • Stephen N SchmotolochaDonald H MorrisRobert J PedersonRaymond B EdelmanCalvin Q Morrison, Jr.
    • F02K3/10F02K3/105
    • F23R3/286F02K3/10F23C7/006F23C9/006F23C2900/07001F23C2900/09002F23R3/14F23R3/20F23R3/22Y02T50/672Y02T50/675
    • An afterburner apparatus that utilizes a novel swirl generator for rapidly and efficiently atomizing, vaporizing, as necessary, and mixing a fuel and an oxidant. The swirl generator converts an oxidant flow into a turbulent, three-dimensional flowfield into which the fuel is introduced. The swirl generator effects a toroidal outer recirculation zone and a central recirculation zone, which is positioned within the outer recirculation zone. These recirculation zones are configured in a backward-flowing manner that carries heat and combustion byproducts upstream where they are employed to continuously ignite a combustible fuel/oxidizer mixture in adjacent shear layers. The recirculation zones accelerate flame propagation to allow afterburning to be completed in a relatively short length. Inherent with this swirl afterburner concept are design compactness, light weight, lower cost, smooth and efficient combustion, high thrust output, wide flammability limits, continuous operation at stoichiometric fuel/oxidizer mixture ratios, no combustion instabilities, and relatively low pressure losses.
    • 一种后燃器装置,其利用新颖的涡流发生器,根据需要快速有效地雾化,蒸发并混合燃料和氧化剂。 涡流发生器将氧化剂流转化为引入燃料的湍流三维流场。 涡流发生器实现环形外部再循环区域和位于外部再循环区域内的中央再循环区域。 这些再循环区域被构造成向后流动的方式,其将上游的热和燃烧副产物用于上游,以连续地点燃相邻剪切层中的可燃燃料/氧化剂混合物。 再循环区域加速火焰传播,以允许在相对短的长度内完成后燃烧。 这种涡流加热器概念的设计紧凑,重量轻,成本低,燃烧平稳有效,推力输出高,易燃性极限,化学计量燃料/氧化剂混合比连续运行,无燃烧不稳定性和相对较低的压力损失。