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1. 发明授权

US09021893B2 High survivability fluid flow sensor having a load cell for detecting loading on the sensor probe 有权
标题翻译：高生存性流体流量传感器具有负载传感器，用于检测传感器探头上的负载
公开(公告)号：US09021893B2
公开(公告)日：2015-05-05
申请号：US13710107
申请日：2012-12-10
申请人： Exquadrum, Inc.
发明人： Eric Schmidt , Elias Wilson , Landon Stevens , Lior Inberg
IPC分类号： G01F1/28 , G01P5/02 , G01P5/04
CPC分类号： G01F1/28 , G01P5/02 , G01P5/04
摘要： A high survivability fluid flow sensor includes a sensor housing defining an interior space. A sensor probe has a first end disposed within the interior space. The sensor probe also includes a second end opposite the first end outside the interior space. At least one load cell is disposed within the interior space and is operatively engaged with the first end of the sensor probe. The load cell is configured to detect loading on the sensor probe as a result of fluid flow impinging on the sensor probe adjacent to the second end. The sensor is operable to capture fluid flow data history through an over pressure event via the sensor probe, which exerts pressure upon the piezoelectric load cell(s), thereby enabling analysis of the wave fluid dynamics.
摘要翻译：高生存性流体流量传感器包括限定内部空间的传感器壳体。传感器探头具有设置在内部空间内的第一端。传感器探头还包括与内部空间外部的第一端相对的第二端。至少一个称重传感器设置在内部空间内并且与传感器探针的第一端可操作地接合。测力传感器被配置为检测由于流体流动撞击邻近第二端的传感器探头而在传感器探头上的负载。传感器可操作以通过传感器探针通过过压事件来捕获流体流动数据历史，传感器探针对压电负载传感器施加压力，从而能够分析波浪流体动力学。

2. 发明授权

US10920714B2 Stable hybrid rocket technology 有权
公开(公告)号：US10920714B2
公开(公告)日：2021-02-16
申请号：US14212974
申请日：2014-03-14
申请人： Exquadrum, Inc.
发明人： Kevin E. Mahaffy , Byron Henning , Korey Robert Kline , Philip Pelfrey , Eric Schmidt , Elias Wilson
IPC分类号： F02K9/52 , F02K9/34 , F02K9/97 , F02K9/72
摘要： A hybrid rocket engine is described that achieves stable, highly efficient hybrid combustion by having a core flow of fuel-rich gas generator gases, with the flow being surrounded with an annular injection of oxidizer. The fuel-rich gas serves to vaporize and decompose the oxidizer, such as nitrous oxide, and prepare it for effective, stable combustion. In one embodiment, this is done at the head-end of a combustion chamber. The combustion products can then be expanded through a nozzle to create thrust. The engine can be an upper stage engine that can include modular thrust chambers and an integrated aerospike nozzle. The thrust chambers can be arranged in an array that rings the top of the aerospike nozzle.

3. 发明申请

US20160032867A1 STABLE HYBRID ROCKET TECHNOLOGY 审中-公开
标题翻译：稳定的混合式摇篮技术
公开(公告)号：US20160032867A1
公开(公告)日：2016-02-04
申请号：US14212974
申请日：2014-03-14
申请人： Exquadrum, Inc.
发明人： Kevin E. MAHAFFY , Byron HENNING , Korey Robert KLINE , Philip PELFREY , Eric Schmidt , Elias Wilson
IPC分类号： F02K9/24 , F02K9/97 , F02K9/52 , F02K9/34
CPC分类号： F02K9/52 , F02K9/34 , F02K9/72 , F02K9/97
摘要： A hybrid rocket engine is described that achieves stable, highly efficient hybrid combustion by having a core flow of fuel-rich gas generator gases, with the flow being surrounded with an annular injection of oxidizer. The fuel-rich gas serves to vaporize and decompose the oxidizer, such as nitrous oxide, and prepare it for effective, stable combustion. In one embodiment, this is done at the head-end of a combustion chamber. The combustion products can then be expanded through a nozzle to create thrust. The engine can be an upper stage engine that can include modular thrust chambers and an integrated aerospike nozzle. The thrust chambers can be arranged in an array that rings the top of the aerospike nozzle.
摘要翻译：描述了一种混合火箭发动机，其通过具有富燃料气体发生器气体的核心流动来实现稳定，高效的混合燃烧，其中气流被环形注入的氧化剂包围。富含燃料的气体用于蒸发和分解氧化剂，例如一氧化二氮，并将其制备用于有效，稳定的燃烧。在一个实施例中，这在燃烧室的前端进行。然后可以通过喷嘴将燃烧产物膨胀以产生推力。发动机可以是上级发动机，其可以包括模块化推力室和集成的空气喷嘴。推力室可以排列成环状空气喷嘴的顶部的阵列。

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