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    • 1. 发明授权
    • 열전도성의 나노헤어층과 이것을 이용한 방열구조체
    • 导热纳米毛发层和使用其的散热结构
    • KR101842522B1
    • 2018-03-28
    • KR1020150167343
    • 2015-11-27
    • 한국기계연구원
    • 윤재성윤석호김재윤박상진유영은
    • F28F3/00F28F3/02F28F3/04F28F21/06F28F21/02
    • 본발명은발열기재와발산기재가결합될때, 두기재간의접촉면적을증대시키고, 접촉열저항을감소시키며, 전도열전달을촉진시킬수 있는열전도성의나노헤어층과이것을이용한방열구조체에관한것이다. 이를위해방열구조체는열이발생되는발열기재및 발열기재에서발생되는열이발산되도록발열기재에결합되는발산기재를포함하고, 발열기재에는나노크기의열전도성제1나노헤어가돌출형성되며, 발산기재에는상기제1나노헤어와교차결합되는나노크기의열전도성제2나노헤어가돌출형성되고, 제1나노헤어와상기제2나노헤어는각각직경이 100nm 이상 500nm 이하이고, 길이가 10마이크로미터이하이다.
    • 当与基材和散热基板结合,既使用热传导层和所述纳米头发在此sikilsu增大接触面积的基体材料之间,降低接触热阻,以热辐射结构的本发明有利于传导热传递。 为此,热辐射结构包括接合到发热基以消散从发热基板和发热基板产生的热的散热基板中产生热量,加热基板,且热导率seongje纳米级的第一纳米头发突出,散热基板 与交联的纳米尺寸的热导率seongje 2纳米头发第一形成的纳米向上被投影,所述第一纳米头发和第二纳米头发的直径大于100纳米500纳米或更少,和小于10微米的长度 。
    • 6. 发明公开
    • 날개형 초음파 트랜스듀서
    • 叶轮型超声波传感器
    • KR1020010016892A
    • 2001-03-05
    • KR1019990032100
    • 1999-08-05
    • 한국기계연구원
    • 이양래허필우박상진김재윤임의수
    • G01H3/00
    • G10K11/22B06B1/0618B06B3/00G10K11/24
    • PURPOSE: An impeller type ultrasonic transducer is provided to promote the output of ultrasonic waves, to be directly used in the water, and to integrate such characteristics as resonance frequency and impedance of two ultrasonic generators. CONSTITUTION: An ultrasonic transducer is composed of an ultrasonic generator(1) consisting of countermasses(3) attached on both ends of piezoceramics elements(2) and rods(4) coaxially combined on both ends of the countermasses and for radiating ultrasonic waves to a medium in radial direction. For waterproofing property, the outside of the ultrasonic generator is sealed by a housing(5). With easy designing and processing of the countermasses of the ultrasonic generator, stability of the transducer is enhanced and immersible motion is possible. Thereby, the ultrasonic transducer is installed easily.
    • 目的:提供一种叶轮式超声波换能器,以促进超声波的输出,直接用于水中,并集成两个超声波发生器的共振频率和阻抗等特性。 构成:超声换能器由超声波发生器(1)组成,超声波发生器(1)由安装在压电陶瓷元件(2)的两端的反质量(3)和同轴地组合在反向通道两端的杆(4)组成,并且用于将超声波辐射到 中等径向。 为了防水性能,超声波发生器的外部由壳体(5)密封。 通过容易地设计和处理超声波发生器的反作用力,增强了传感器的稳定性,并且可以进行浸入式运动。 由此,容易安装超声波换能器。