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    • 1. 发明申请
    • Microcircuit cooling for a turbine airfoil
    • 用于涡轮机翼的微电路冷却
    • US20050053459A1
    • 2005-03-10
    • US10802260
    • 2004-03-16
    • Frank CunhaKeith SantelerScott GaymanEric Couch
    • Frank CunhaKeith SantelerScott GaymanEric Couch
    • F01D5/00F01D5/08F01D5/18F02C7/16F02C7/18
    • F01D5/187F01D5/186F05D2250/25F05D2260/2212F05D2260/22141Y02T50/676
    • A turbine airfoil includes a plurality of cooling circuits embedded within the pressure and suction sidewalls and a first and a second flow passage. The first flow passage feeds the coolant fluid to the cooling circuits that are embedded only within the pressure sidewall and the second flow passage feeds the coolant fluid to the cooling circuits that are embedded only within the suction sidewall. A method embodiment of the present comprises placing the inlets of the cooling circuits embedded within the first sidewall in flow communication with only one of the flow passages and placing the inlets of the cooling circuits embedded within the second sidewall in flow communication with at least one of the other flow passages to minimize the difference in sink pressures of the suction and pressure sidewalls to ensure ingestion of the coolant fluid into the inlets of the respective cooling circuits.
    • 涡轮机翼片包括嵌入压力和抽吸侧壁内的多个冷却回路以及第一和第二流动通道。 第一流动通道将冷却剂流体供给到仅在压力侧壁内嵌入的冷却回路,而第二流动通道将冷却剂流体供给到仅嵌入在吸力侧壁内的冷却回路。 本发明的方法实施例包括将嵌入在第一侧壁内的冷却回路的入口放置成仅与流动通道中的一个流体连通,并且将嵌入在第二侧壁内的冷却回路的入口与至少一个 其他流动通道以最小化吸入和压力侧壁的吸收压力的差异,以确保将冷却剂流体摄入相应冷却回路的入口。
    • 3. 发明授权
    • Microcircuit cooling for a turbine airfoil
    • 用于涡轮机翼的微电路冷却
    • US07097425B2
    • 2006-08-29
    • US10802260
    • 2004-03-16
    • Frank J. CunhaKeith SantelerScott W. GaymanEric Couch
    • Frank J. CunhaKeith SantelerScott W. GaymanEric Couch
    • F01D5/18
    • F01D5/187F01D5/186F05D2250/25F05D2260/2212F05D2260/22141Y02T50/676
    • A turbine airfoil includes a plurality of cooling circuits embedded within the pressure and suction sidewalls and a first and a second flow passage. The first flow passage feeds the coolant fluid to the cooling circuits that are embedded only within the pressure sidewall and the second flow passage feeds the coolant fluid to the cooling circuits that are embedded only within the suction sidewall. A method embodiment of the present comprises placing the inlets of the cooling circuits embedded within the first sidewall in flow communication with only one of the flow passages and placing the inlets of the cooling circuits embedded within the second sidewall in flow communication with at least one of the other flow passages to minimize the difference in sink pressures of the suction and pressure sidewalls to ensure ingestion of the coolant fluid into the inlets of the respective cooling circuits.
    • 涡轮机翼片包括嵌入压力和抽吸侧壁内的多个冷却回路以及第一和第二流动通道。 第一流动通道将冷却剂流体供给到仅在压力侧壁内嵌入的冷却回路,而第二流动通道将冷却剂流体供给到仅嵌入在吸力侧壁内的冷却回路。 本发明的方法实施例包括将嵌入在第一侧壁内的冷却回路的入口放置成仅与流动通道中的一个流体连通,并且将嵌入在第二侧壁内的冷却回路的入口与至少一个 其他流动通道以最小化吸入和压力侧壁的吸收压力的差异,以确保将冷却剂流体摄入相应冷却回路的入口。
    • 5. 发明授权
    • Platform mate face contours for turbine airfoils
    • 涡轮翼型平台配合面轮廓
    • US07708528B2
    • 2010-05-04
    • US11220291
    • 2005-09-06
    • Eric CouchFrank J. Cunha
    • Eric CouchFrank J. Cunha
    • F01D5/30
    • F01D5/22F01D25/12F05D2240/81F05D2250/70F05D2250/71F05D2260/20F05D2260/202F05D2260/221
    • Gas turbine engine components having an airfoil extending outwardly of a platform are mounted in adjacent relationship, and such that cooling air flows outwardly of a gap between mating faces of the platforms. The location of localized hot spots is identified on the platform, and the mating faces are designed to provide cooling air through the gap to address these hot spots. A suction side edge of the platform has a curved portion extending inwardly into the platform, and the pressure side has a curved portion bulging outwardly away from the airfoil. When these two portions on adjacent components mate, a gap is provided between two platforms that provides leakage cooling air to the hot spot.
    • 具有从平台向外延伸的翼型件的燃气涡轮发动机部件以相邻的关系安装,并且使得冷却空气从平台的配合面之间的间隙向外流动。 在平台上识别局部热点的位置,并且配合面设计成通过间隙提供冷却空气以解决这些热点。 平台的吸入侧边缘具有向内延伸到平台中的弯曲部分,并且压力侧具有从翼型向外凸出的弯曲部分。 当相邻部件上的这两个部分配合时,在两个平台之间提供间隙,这两个平台向热点提供泄漏的冷却空气。