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    • 1. 发明申请
    • PINTLE-CONTROLLED PROPULSION SYSTEM WITH EXTERNAL DYNAMIC SEAL
    • 具有外部动态密封的紧固控制推进系统
    • WO2008067000A3
    • 2008-10-30
    • PCT/US2007078098
    • 2007-09-11
    • AEROJET GENERAL COHANSEN WILLIAM E
    • HANSEN WILLIAM E
    • F02K1/08
    • F02K9/30F02K9/26F02K9/32F02K9/86G05D7/0635
    • A propulsion system with a pintle for variable thrust is constructed such that the pintle contains a shaft at its fore end which passes through an opening in the thrust chamber wall and extends into a boss on the outside surface of the thrust chamber. A dynamic seal that maintains the pressurization of the thrust chamber while allowing movement of the pintle is positioned inside the boss, between the pintle shaft and the boss, and actuation of the pintle is achieved by a rack affixed to the fore end of the pintle and a gear that engages the rack. The dynamic seal, rack and gear are thus external to the thrust chamber, providing the thrust chamber with a compact external envelope, a greater thermal standoff, or both.
    • 具有用于可变推力的枢轴的推进系统被构造成使得枢轴在其前端处包含轴,该轴穿过推力室壁中的开口并且延伸到推力室的外表面上的凸台中。 保持推力室的加压同时允许枢轴运动的动态密封件定位在凸台内部,在枢轴和凸台之间,并且枢轴的致动通过固定到枢轴的前端的齿条实现,并且 一个啮合机架的齿轮。 因此,动态密封件,齿条和齿轮在推力室外部,为推力室提供紧凑的外壳,更大的散热间隔或两者。
    • 2. 发明申请
    • SLOTTED MULTI-NOZZLE GRID WITH INTEGRATED COOLING CHANNELS
    • 带集成式冷却通道的多孔多孔网
    • WO2014058525A1
    • 2014-04-17
    • PCT/US2013/054401
    • 2013-08-09
    • RAYTHEON COMPANY
    • CHASMAN, DanielHAIGHT, Stephen D.VILLARREAL, James K.
    • F02K9/30F02K9/97
    • F02K9/30F02K9/97F02K9/972Y10T29/49346
    • An apparatus includes a slotted multi-nozzle grid with a plate (102) having multiple elongated slotlettes (104) through the plate. At least some of the slotlettes have a convergent input (202), a divergent output (204), and a narrower throat portion (206). At least some of the slotlettes are arranged in multiple rows (106). The plate further includes multiple cooling channels (116). At least some of the cooling channels are located between the rows of slotlettes. Each cooling channel is configured to transport coolant through the plate in order to cool the plate, such as to cool the plate as hot combustion gases pass through the plate. Each of at least some of the rows may include at least two slotlettes, and two adjacent slotlettes in one row may be separated by a structural ligament (108), which may have a tear¬ drop cross-sectional shape.
    • 一种装置包括一个带槽的多喷嘴格栅,其具有通过该板的具有多个细长槽形件(104)的板(102)。 至少一些小缝隙具有收敛输入(202),发散输出(204)和较窄的喉部(206)。 至少一些小插槽被布置成多行(106)。 板还包括多个冷却通道(116)。 至少一些冷却通道位于行槽之间。 每个冷却通道被构造成运输冷却剂通过板以便冷却板,例如当热燃气体通过板时冷却板。 至少一些行中的每一行可以包括至少两个开槽元件,并且一行中的两个相邻的开槽元件可以由可能具有泪滴横截面形状的结构韧带(108)分开。
    • 5. 发明申请
    • PINTLE-CONTROLLED PROPULSION SYSTEM WITH EXTERNAL DYNAMIC SEAL
    • 带有外部动态密封的点控式推进系统
    • WO2008067000B1
    • 2008-12-18
    • PCT/US2007078098
    • 2007-09-11
    • AEROJET GENERAL COHANSEN WILLIAM E
    • HANSEN WILLIAM E
    • F02K1/08
    • F02K9/30F02K9/26F02K9/32F02K9/86G05D7/0635
    • A propulsion system with a pintle for variable thrust is constructed such that the pintle contains a shaft at its fore end which passes through an opening in the thrust chamber wall and extends into a boss on the outside surface of the thrust chamber. A dynamic seal that maintains the pressurization of the thrust chamber while allowing movement of the pintle is positioned inside the boss, between the pintle shaft and the boss, and actuation of the pintle is achieved by a rack affixed to the fore end of the pintle and a gear that engages the rack. The dynamic seal, rack and gear are thus external to the thrust chamber, providing the thrust chamber with a compact external envelope, a greater thermal standoff, or both.
    • 具有用于可变推力的枢轴的推进系统被构造成使得枢轴在其前端处包含轴,该轴穿过推力室壁中的开口并延伸到推力室外表面上的凸台。 保持推力腔的加压同时允许枢轴运动的动态密封位于凸台内,轴销和凸台之间,并且通过固定在枢轴的前端上的齿条来实现枢轴的致动,以及 一个啮合齿条的齿轮。 动态密封,齿条和齿轮因此位于推力室的外部,为推力室提供紧凑的外部封套,更大的热距离,或两者。
    • 6. 发明申请
    • PINTLE-CONTROLLED PROPULSION SYSTEM WITH EXTERNAL DYNAMIC SEAL
    • 带有外部动态密封的点控式推进系统
    • WO2008067000A2
    • 2008-06-05
    • PCT/US2007/078098
    • 2007-09-11
    • AEROJET-GENERAL CORPORATIONHANSEN, William E.
    • HANSEN, William E.
    • F02K1/00
    • F02K9/30F02K9/26F02K9/32F02K9/86G05D7/0635
    • A propulsion system with a pintle for variable thrust is constructed such that the pintle contains a shaft at its fore end which passes through an opening in the thrust chamber wall and extends into a boss on the outside surface of the thrust chamber. A dynamic seal that maintains the pressurization of the thrust chamber while allowing movement of the pintle is positioned inside the boss, between the pintle shaft and the boss, and actuation of the pintle is achieved by a rack affixed to the fore end of the pintle and a gear that engages the rack. The dynamic seal, rack and gear are thus external to the thrust chamber, providing the thrust chamber with a compact external envelope, a greater thermal standoff, or both.
    • 具有用于可变推力的枢轴的推进系统被构造成使得枢轴在其前端处包含轴,该轴穿过推力室壁中的开口并延伸到外表面上的凸台 推力室。 保持推力腔的加压同时允许枢轴运动的动态密封位于凸台内,轴销和凸台之间,并且通过固定在枢轴的前端上的齿条来实现枢轴的致动,以及 一个啮合齿条的齿轮。 动态密封,齿条和齿轮因此位于推力室的外部,为推力室提供紧凑的外部封套,更大的热距离,或两者兼而有之。