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    • 1. 发明公开
    • 나노분말 연소반응기와, 그 나노분말 연소반응기를 이용한나노분말 합성장치와, 그 나노분말 합성장치의 제어방법
    • 用于纳豆的燃烧反应器,具有燃烧反应器的纳米器的合成装置和控制合成装置的方法
    • KR1020060124479A
    • 2006-12-05
    • KR1020050046430
    • 2005-05-31
    • 한국과학기술연구원
    • 박종구안재평김형철이승용지현석박훈
    • B22F9/16
    • C22C1/08B22F3/114B22F2998/00C22C2001/081C22C2001/082F23D2900/21007B22F7/002
    • A nanopowder combustion reactor of which structure is optimized to prevent oxides from being deposited on an inner wall of a reaction nozzle, secure uniformity of a flame and accurately control temperature of the flame, a nanopowder synthesizing system using the nanopowder combustion reactor, and a method of controlling the nanopowder synthesizing system are provided. A nanopowder combustion reactor(10) comprises: an oxidizing gas supply nozzle(12) to which an oxidizing gas pipe(11) is connected; a gas supply part(15) having a fuel gas pipe(13) and a precursor gas pipe(14); and a reaction nozzle(18) which forms a concentric circle together with the oxidizing gas supply nozzle within the oxidizing gas supply nozzle, is connected to the gas supply part, and has oxidizing gas inflow holes(17) disposed at positions thereof adjacent to an injection port(16) for injecting a flame. The nanopowder combustion reactor comprises a backflow prevention plate(19) which divides the interior of the reaction nozzle, to which the precursor gas pipe is penetratingly connected, and on which a plurality of pores are formed to pass a fuel gas and prevent backflow of a precursor gas.
    • 优化其结构的纳米粉燃烧反应器,以防止氧化物沉积在反应喷嘴的内壁上,确保火焰的均匀性和精确控制火焰的温度,使用纳米粉末燃烧反应器的纳米粉末合成系统,以及方法 提供了控制纳米粉体合成系统的方法。 纳米粉燃烧反应器(10)包括:氧化气体供给喷嘴(12),氧化气体管道(11)连接到所述氧化气体供应喷嘴; 具有燃气管(13)和前体气管(14)的气体供给部(15)。 和在氧化剂气体供给喷嘴内与氧化剂气体供给喷嘴一起形成同心圆的反应喷嘴(18)与气体供给部连接,具有设置在与氧化气体供给喷嘴相邻的位置的氧化气体流入孔(17) 喷射口(16),用于喷射火焰。 该纳米粉燃烧反应器包括防反射板(19),其将反应喷嘴的内部分开,前体气体管道穿过其连接,其上形成有多个气孔以通过燃料气体并防止 前体气体。
    • 2. 发明公开
    • 황토입자를 이용한 다공질 금속의 제조방법
    • 使用黄土壤颗粒制造多孔金属的方法
    • KR1020020017228A
    • 2002-03-07
    • KR1020000050428
    • 2000-08-29
    • 김상동신현창조성석
    • 김상동조성석신현창
    • B22D23/00
    • B22D25/005B22C9/105C22C2001/081
    • PURPOSE: A method of manufacturing a porous metal using yellow soil particles is provided which manufactures inexpensive and environmental friendly yellow soil particles and manufactures a multifunctional porous metal equipped with superior mechanical, thermal, acoustic, energy absorbing and filtering properties using the yellow soil particles. CONSTITUTION: The method of manufacturing a porous metal using yellow soil particles comprises the steps of manufacturing yellow soil particles(Y) having various sizes and shapes after mixing yellow soil with sand(S), and kneading the resulting material after adding water to the mixture; preheating the yellow soil particles in a manufacturing process of steamed rice cake after charging the yellow soil particles into a mold(12); solidifying the resulting material by injecting thus penetrating molten metal(M) into a space between yellow soil particles using a molten metal penetration device(20) after the step of preheating the yellow soil particle; and removing yellow soil particles stuck into the metal.
    • 目的:提供一种使用黄土颗粒制造多孔金属的方法,其制造廉价且环保的黄土颗粒,并且使用黄土颗粒制造具有优异的机械,热,声,能量吸收和过滤性能的多功能多孔金属。 构成:使用黄土颗粒制造多孔金属的方法包括在将黄土与沙(S)混合后制造具有各种尺寸和形状的黄土颗粒(Y)的步骤,并且在向混合物中加入水之后捏合所得材料 ; 在将黄土颗粒装入模具(12)之后,在蒸米饼的制造过程中预热黄土颗粒; 在预热黄土颗粒的步骤之后,使用熔融金属穿透装置(20)将如此渗透的熔融金属(M)注入黄土颗粒之间的空间来固化所得材料; 并去除粘附在金属中的黄土颗粒。
    • 6. 发明公开
    • 금속 다공체의 확산 침투 합금화 방법
    • 使用堆焊法合金多孔金属的方法
    • KR1020070009031A
    • 2007-01-18
    • KR1020050063959
    • 2005-07-15
    • 한국기계연구원주식회사 포어텍
    • 남기석김경일
    • C22C1/00C22C1/08C22C1/04C23C8/00
    • C22C1/08C22C1/04C22C1/0408C22C2001/081C23C10/14C23C10/30
    • A method for alloying a porous metal by pack cementation of alloy elements is provided to prevent raw material powders from adhering to the porous metal, reduce the process cost by reducing added quantities of powders of alloying elements and activating agents, improve deterioration of work environment and prevent life reduction of process facilities due to Cl2 or HCl gas generated from the activating agents, improve concentration of alloy constituents and perform uniform alloying by increasing precipitation quantities of alloy elements, and prevent deformation of the porous metal without using an expensive jig. A method for alloying a porous metal by a pack cementation process comprises: a step of disposing a porous metal in a raw material powder mixture comprising an alumina powder, a raw material metal powder and an activating agent powder; a step of charging the porous metal together with the raw material powder mixture into a heat treatment furnace; a step of increasing temperature of the heat treatment furnace to a heat treatment temperature while supplying an inert gas into the heat treatment furnace; an exhaustion step of performing exhaustion for a first duration of time to maintain a pressure within the heat treatment furnace to 1 torr or less; an injection step of supplying an inert gas into the heat treatment furnace for a second duration of time to maintain the pressure within the heat treatment furnace to an atmospheric pressure; and a step of alloying the porous metal during a heat treatment time while sequentially repeating the forgoing steps at least once.
    • 提供一种通过合金元件的包装胶合合成多孔金属的方法,以防止原料粉末粘附到多孔金属上,通过减少合金元素和活化剂的添加量来减少加工成本,改善工作环境的劣化, 防止由活化剂产生的Cl 2或HCl气体引起的工艺设备的寿命降低,通过增加合金元素的沉淀量,改善合金成分的浓度并进行均匀的合金化,并且防止多孔金属的变形而不使用昂贵的夹具。 通过包装胶结法合金化多孔金属的方法包括:将多孔金属设置在包含氧化铝粉末,原料金属粉末和活化剂粉末的原料粉末混合物中的步骤; 将多孔金属与原料粉末混合物一起加入到热处理炉中的步骤; 将热处理炉的温度升高到热处理温度同时向惰性气体供给惰性气体的步骤; 在第一持续时间内进行耗尽以将热处理炉内的压力维持在1乇以下的耗尽步骤; 将惰性气体供给至第二持续时间的惰性气体以将热处理炉内的压力维持为大气压的注入步骤; 以及在热处理时间期间使多孔金属合金化的步骤,同时依次重复上述步骤至少一次。