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    • 4. 发明公开
    • 액체로켓엔진 시험설비의 지상성능시험 비상정지 시스템
    • 液压发动机紧急试验装置的系统及方法
    • KR1020030054461A
    • 2003-07-02
    • KR1020010084624
    • 2001-12-26
    • 한국항공우주연구원
    • 한영민김승한박성진이광진
    • B64G5/00
    • PURPOSE: An emergency stop system of a performance test in a liquid rocket engine test equipment and a method thereof are provided to protect the test equipment and the engine by stopping promptly in an emergency with detecting pressure and vibration signals. CONSTITUTION: An emergency stop system for a liquid rocket engine test equipment is composed of a dynamic pressure sensor(1) installed in the rocket engine to measure fluctuation of high frequency dynamic pressure; an acceleration sensor(2) mounted to a rocket engine support bar to measure high frequency vibration of the structure; a high frequency measuring unit(3) supplying power to the pressure sensor and the acceleration sensor and having an amplifier sending the signal to the gauge by amplifying the signal; a high frequency pass filter(4) removing low frequency signals according to pressure and vibration signals from sensors; an analog/digital converter(5) converting signals from the high frequency pass filter; a signal deciding unit(6) deciding transmission of an emergency stop synchronous signal to a PLC(Program Logic Controller) computer(9) by detecting vibration; and a digital/analog converter(8) transmitting a TTL signal to the PLC computer in satisfying emergency condition. The rocket engine and the test equipment are protected by stopping the test quickly in an emergency.
    • 目的:提供液体火箭发动机试验设备的性能试验的紧急停止系统及其方法,用于通过检测压力和振动信号在紧急情况下及时停止,保护试验设备和发动机。 构成:液体火箭发动机试验设备的紧急停止系统由安装在火箭发动机中的动态压力传感器(1)组成,用于测量高频动压的波动; 安装在火箭发动机支撑杆上以测量结构的高频振动的加速度传感器(2); 向压力传感器和加速度传感器供电的高频测量单元(3),并具有通过放大信号将信号发送到量规的放大器; 高通滤波器(4)根据来自传感器的压力和振动信号去除低频信号; 模拟/数字转换器(5),转换来自高频滤波器的信号; 信号判定单元(6),通过检测振动来决定对PLC(程序逻辑控制器)计算机(9)的紧急停止同步信号的发送; 以及数字/模拟转换器(8),在满足紧急情况下向PLC计算机发送TTL信号。 火箭发动机和测试设备受到紧急停止测试的保护。
    • 7. 发明公开
    • 액체로켓엔진 연소기용 가스 토치 점화기
    • 气体发动机燃烧器燃气喷嘴
    • KR1020130077082A
    • 2013-07-09
    • KR1020110145600
    • 2011-12-29
    • 한국항공우주연구원
    • 이광진한영민
    • F23Q13/00F23R3/20
    • PURPOSE: A gas torch igniter for a liquid rocket engine is provided to enable to semi-permanently use by installing a cooling induction pipe in the igniter and to facilitate installation in a desired portion of the liquid rocket engine combustor. CONSTITUTION: A gas torch igniter for a liquid rocket engine combustor comprises a spark plug (20) for igniting a gas torch, an igniter body (10), and an installation part (15). The igniter body is coupled to the spark plug and has a cavity serving as a combustion chamber. The installation part has a nozzle for spraying the gas torch ignited in the igniter body and is coupled to the liquid rocket engine combustor. The igniter body has a gaseous oxygen induction pipe and a gaseous fuel induction pipe.
    • 目的:提供用于液体火箭发动机的燃气割炬点火器,以便能够通过在点火器中安装冷却感应管而使其半永久使用,并且便于安装在液体火箭发动机燃烧室的所需部分。 构成:用于液体火箭发动机燃烧器的燃气割炬点火器包括用于点燃气体炬的火花塞(20),点火器本体(10)和安装部分(15)。 点火器主体联接到火花塞并具有用作燃烧室的空腔。 安装部分具有喷嘴,用于喷射点火器主体点燃的气体喷枪并联接到液体火箭发动机燃烧器。 点火器体具有气态氧气导入管和气体燃料导入管。
    • 8. 发明公开
    • 연소안정성 평가장치의 펄스 압력파 공급장치
    • 用于稳定性等级测试的装置的脉冲压力供应装置
    • KR1020070066779A
    • 2007-06-27
    • KR1020050128273
    • 2005-12-22
    • 한국항공우주연구원
    • 이광진서성현강동혁문일윤김승한한영민최환석
    • F02K9/96G01M15/00
    • A supply apparatus for pulse pressure power of an apparatus for a stability rating test is provided to prevent the ignition of a second pulse gun at an undesired time due to pressure power generated during the ignition of a first pulse gun. A supply apparatus(100) for pulse pressure power of an apparatus for a stability rating test includes a pulse gun(110) and an induction cavity(120). The pulse gun includes a membrane(111) having a honeycomb structure, a pulse gun igniting unit(112) formed in the rear part of the membrane to store a main charge and an ignition agent, and an electricity supply unit(113) mounted in the rear part of the pulse gun igniting unit. Here, the membrane is formed to a thickness of 1mm to protect the pulse gun igniting unit against high temperature and pressure gas induced from a combustion chamber(130) and to induce the pressure power ignited by the pulse gun to the combustor. 1/3 of the thickness of the membrane is formed to have a honeycomb structure advantageous to increase strength with respect to weight. When the membrane is applied to the pulse gun, it is possible to prevent a pulse gun(140) from igniting due to pressure power at an undesired time.
    • 提供用于稳定性额定试验的装置的脉压功率的供给装置,以防止由于在第一脉冲枪的点火期间产生的压力而在不期望的时间点燃第二脉冲枪。 用于稳定等级试验的装置的脉压功率的供给装置(100)包括脉冲枪(110)和感应腔(120)。 脉冲枪包括具有蜂窝结构的膜(111),形成在膜的后部的脉冲枪点火单元(112),用于存储主要电荷和点火剂,以及电力供应单元(113),安装在 脉冲枪的后部点燃单元。 这里,膜形成为1mm的厚度,以保护脉冲枪点火单元抵抗从燃烧室(130)感应的高温和高压气体,并且将由脉冲枪点燃的压力引导到燃烧器。 膜的1/3的厚度形成为具有有利于提高相对于重量的强度的蜂窝结构体。 当膜施加到脉冲枪时,可以防止脉冲枪(140)在不期望的时间由于压力而点燃。
    • 9. 发明授权
    • 로켓엔진용 점화기
    • 使用发动机的灯具
    • KR100668804B1
    • 2007-01-12
    • KR1020050128139
    • 2005-12-22
    • 한국항공우주연구원
    • 서성현이광진한영민김종규임병직안규복최환석
    • B64G1/40
    • B64G1/401F02K9/95
    • An igniter for a rocket engine is provided to reduce damage of the spark plug due to the impurities by placing the ignition part of the spark plug at the outer side of the compound gas guide conduit. An igniter(100) for a rocket engine is composed of a body(110) whose one end is formed with a mounting part(190); a combustion chamber(120) formed in the body; a compound gas guide conduit(160) communicated with the combustion chamber; a gas supply guide conduit(140) supplying the oxygen gas to the compound gas guide conduit; a gas methane guide conduit(150) supplying the gas fuel to the compound gas guide conduit; a spark plug(130) formed at one side of the compound gas guide conduit; a combustion pressure measuring part(180) placed at one surface of the combustion chamber to measure the pressure in the combustion chamber; and a combustion gas guide conduit(170) extended toward the mounting part.
    • 提供火箭发动机的点火器以通过将火花塞的点火部分放置在复合气体导管的外侧来减少由于杂质而引起火花塞的损坏。 用于火箭发动机的点火器(100)由其一端形成有安装部分(190)的主体(110)组成; 形成在所述主体中的燃烧室(120) 与燃烧室连通的复合气体导管(160); 将氧气供给至复合气体导管的气体供给引导导管(140) 气体甲烷引导管道(150),其将气体燃料供应到复合气体导管; 形成在所述复合气体导管的一侧的火花塞(130) 燃烧压力测量部分(180),其放置在所述燃烧室的一个表面处以测量所述燃烧室中的压力; 和朝向安装部分延伸的燃烧气体导管(170)。
    • 10. 发明授权
    • 액체로켓의 터보펌프 구동용 가스발생기
    • 用于驱动液体火箭涡轮泵的气体发生器
    • KR100558981B1
    • 2006-03-10
    • KR1020040111905
    • 2004-12-24
    • 한국항공우주연구원
    • 서성현김승한한영민문일윤이광진임병직설우석
    • B64G1/42B64G1/66
    • 개시된 액체로켓의 터보펌프 구동용 가스발생기는, 연소과정을 통해 터보펌프로 보낼 가스가 생성되는 연소챔버와, 연소챔버로 연소를 위한 연료와 산화제의 혼합액을 분사하는 분사기와, 분사된 혼합액을 점화시키는 점화기와, 분사기로 연료를 공급하는 연료공급유닛 및, 분사기로 산화제를 공급하는 산화제공급유닛을 포함하며, 분사기를 통해 연소챔버로 공급되는 산화제와 연료의 혼합비(산화제 중량/연료 중량)가 0.32 이상에서 0.36 이하의 범위가 된다. 이와 같은 가스발생기는 연료와 산화제의 혼합비 조절을 통해 연소가스 온도를 850~1000K 정도로 유지할 수 있어서 터빈 블레이드의 열충격에 의한 손상을 억제할 수 있다.
      액체로켓, 가스발생기, 터보펌프
    • 涡轮泵驱动气体发生器,用于所公开的液体火箭,生成用于通过所述燃烧气体喷射燃料和氧化剂的燃烧腔室的混合物的喷射器以发送到涡轮泵,在燃烧室内的燃烧,点火注入的液体混合物的 更轻和包括氧化剂供应单元,用于供应氧化剂到燃料供应单元和喷射器到喷射器供应燃料,氧化剂的混合比例和通过喷射器供给到燃烧室中的燃料(氧化剂重量/燃料重量计)0.32至 为0.36以下。 这种气体发生器可以在燃烧气体温度通过调节燃料的混合比例和氧化剂围绕850〜1000K抑制损伤维持由于涡轮叶片的热冲击。