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    • 3. 发明授权
    • 브레이크 디스크 및 그 제조 금형
    • 制动盘和制造它们的模具
    • KR101526587B1
    • 2015-06-05
    • KR1020090052781
    • 2009-06-15
    • 현대자동차주식회사
    • 이재영임종대박현달
    • B22C9/22B22D19/00F16D65/12
    • 디스크햇 및마찰판이일체로주조되는브레이크디스크및 그제조금형이소개된다. 이브레이크디스크는마찰판캐비티부(210)가형성된하부몰드(200)에서성형되는마찰판(310)과,디스크햇 캐비티부(110)가형성된상부몰드(100)와디스크햇 하부캐비티부(220)가형성된하부몰드(200)에서성형되는디스크햇(320)을포함하고, 마찰판캐비티부(210)에주입되는용탕은디스크햇 하부캐비티부(220)로의유입이방지되도록마찰판캐비티부(210)에느리게주입되어마찰판(310)으로주조된다. 이러한본 발명에따르면, 마찰판의회주철과디스크햇의구상흑연주철사이계면에서재용융이원활하게이루어질수 있다.
    • 引入了其中盘头和摩擦板一体铸造的制动盘以及用于制造制动盘的模具。 该消除盘包括形成在具有摩擦板腔210和上模100的下模200中的摩擦板310以及其上形成有盘体腔110的盘底腔220 盘体200的下半部分的下半部分和盘体200的下半部分的下半部分。 并被铸入摩擦板310中。 根据本发明,可以平滑地熔化摩擦盘的灰铸铁和盘帽的球墨铸铁之间的界面中的铁。
    • 6. 发明授权
    • 밸브 시트용 내마모 소결합금의 제조방법
    • 밸브시트용내마모소결합금의제조방법
    • KR100461305B1
    • 2004-12-14
    • KR1020020035006
    • 2002-06-21
    • 현대자동차주식회사한국분말야금(주)
    • 정림호송광호오중석임종대장석균
    • C22C38/60
    • PURPOSE: A wear resistant sintered alloy for valve seat is provided which improves wear resistance and formability by containing iron as a principal constituent, carbon, chromium, molybdenum, vanadium, tungsten, silicon, manganese and lead only without cobalt, and a manufacturing method thereof is provided. CONSTITUTION: The method comprises first process of press molding the blended alloy to a surface pressure of 5 to 8 tons/cm¬2 by blending a principal constituent of iron, 0.3 to 0.5 wt.% of carbon, 1.0 to 3.0 wt.% of chromium, 2.0 to 4.0 wt.% of molybdenum, 2.0 to 4.0 wt.% of vanadium, 5.0 to 7.0 wt.% of tungsten, 0.2 to 0.4 wt.% of sulfur, 0.2 to 0.5 wt.% of manganese and 10.0 to 15.0 wt.% of lead; second process of air cooling the sintered alloy after sintering the press molded alloy at a temperature of 1,140 to 1,180 deg.C after finishing the first process; third process of subzero cooling the air cooled sintered alloy to a temperature of -200 to -600 deg.C after finishing the second process; fourth process of impregnating the subzero cooled alloy with lead at a temperature of 450 to 550 deg.C after finishing the third process; and a process of manufacturing the wear resistant sintered alloy for valve seat by passing the lead impregnated alloy through barrel process at a temperature of 450 to 550 deg.C after finishing the fourth process.
    • 目的:提供一种用于阀座的耐磨性烧结合金,其通过仅含有铁作为主要成分,仅用钴而不改变碳,铬,钼,钒,钨,硅,锰和铅而提高耐磨性和可成形性,及其制造方法 被提供。 构成:该方法包括:通过混合铁的主要成分,0.3-0.5重量%的碳,1.0-3.0重量%的氧化铝,将混合合金压制成5至8吨/ cm 2的表面压力 的铬,2.0-4.0重量%的钼,2.0-4.0重量%的钒,5.0-7.0重量%的钨,0.2-0.4重量%的硫,0.2-0.5重量%的锰和10.0-15.0重量% 铅的重量百分比; 在完成第一工序后,在1140〜1180℃的温度下对压制成形的合金进行烧结之后,对烧结合金进行空冷的第二工序; 第二工序结束后,将空冷式烧结合金冷却至零下零度以下的第三工序; 第四步骤,在完成第三步骤之后,在450至550℃的温度下用铅浸渍零下冷却的合金; 以及在完成第四工艺之后,通过使铅浸渍合金在450至550℃的温度下通过桶形工艺来制造用于阀座的耐磨烧结合金的工艺。
    • 7. 发明公开
    • PTC소자를 이용한 디젤엔진의 냉각수 가열장치
    • 用于加热柴油发动机的冷却水的装置,使用PTC元件,如果加热部件的温度高于预定温度,则可快速增加电阻,从而降低电流
    • KR1020040076926A
    • 2004-09-04
    • KR1020030012226
    • 2003-02-27
    • 현대자동차주식회사
    • 이용성임종대오중석오만주
    • F01P7/14
    • F02N19/10B60Y2304/07F01P7/026F01P2060/18F01P2070/04H01C7/02
    • PURPOSE: An apparatus for heating cooling water of a diesel engine using PTC elements is provided to prevent a cooling apparatus from being overheated by cutting off a current by rapidly increasing resistance if a temperature of a heating part becomes higher than a predetermined temperature. CONSTITUTION: An apparatus for heating cooling water is formed of a PTC(Positive Temperature Coefficient) heater(10) including a pair of heat sinks(12) and a plurality of PTC elements(11) connected with electrodes(13) respectively in a state that the plurality of PTC elements are inserted into mounting grooves(12a-2) of the heat sinks. The PTC heater has sealing grooves(12a-1,12b-1) formed at an inside combination surface(12a) and an outside cover combination body(12b), and an insert rubber(14) and a sealing rubber(15) installed at the sealing grooves respectively.
    • 目的:提供一种使用PTC元件加热柴油发动机的冷却水的装置,以防止如果加热部件的温度变得高于预定温度,则通过快速增加阻力来切断电流来防止冷却装置过热。 构成:用于加热冷却水的装置由包括一对散热器(12)的PTC(正温度系数)加热器(10)和与电极(13)分别连接的多个PTC元件(11)形成在一起的状态 多个PTC元件被插入到散热器的安装槽(12a-2)中。 PTC加热器具有形成在内部组合表面(12a)和外部盖组合体(12b)之间的密封槽(12a-1,12b-1),以及插入橡胶(14)和密封橡胶(15) 密封槽。
    • 8. 发明公开
    • 밸브 가이드용 소결합금재 조성물
    • 用于阀门指导的烧结合金材料组合物
    • KR1020010057554A
    • 2001-07-04
    • KR1019990068248
    • 1999-12-31
    • 현대자동차주식회사
    • 임종대
    • C22C33/02
    • PURPOSE: A sintering alloy material composition is provided which has superior properties to an existing sintering alloy material for valve guide by adding a certain amount of boron nitride to an existing iron sintering alloy material, thereby improving abrasion resistance, and adding silicate powder, thereby developing a material having superior machinability. CONSTITUTION: The sintering alloy material composition for a valve guide comprises a main constituent of iron, 1.7 to 2.5 wt.% of carbon, 4.0 to 6.0 wt.% of copper, 0.2 to 0.55 wt.% of tin, 0.15 to 0.4 wt.% of phosphorus, 0.3 to 1.5 wt.% of boron and 0.3 to 2.5 wt.% of silicon, wherein the boron is contained by using 0.5 to 2.0 wt.% of rigid particles of boron nitride alloy powder for the total sintering alloy material composition, and the silicon is contained by using 0.5 to 3.0 wt.% of silicate powder for the total sintering alloy material composition.
    • 目的:提供一种烧结合金材料组合物,通过向现有的铁烧结合金材料添加一定量的氮化硼,具有优于现有的用于阀导向的烧结合金材料的性能,从而提高耐磨性,并加入硅酸盐粉末,从而开发 具有优良机械加工性的材料。 构成:用于阀导向器的烧结合金材料组合物包括铁的主要成分,1.7〜2.5重量%的碳,4.0〜6.0重量%的铜,0.2〜0.55重量%的锡,0.15〜0.4重量% 磷的百分比,硼的0.3〜1.5重量%和硅的0.3〜2.5重量%,其中通过使用0.5〜2.0重量%的用于总烧结合金材料组成的氮化硼合金粉末的刚性粒子来包含硼 ,并且通过使用0.5-3.0重量%的用于总烧结合金材料组成的硅酸盐粉末来包含硅。