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公开(公告)号:KR100230946B1
公开(公告)日:1999-11-15
申请号:KR1019960075109
申请日:1996-12-28
Applicant: 현대자동차주식회사
Inventor: 오중석
Abstract: 본 발명은 2겹 구조의 원통형 분말 성형 방법에 관한 것으로서, 종래의 원통형 분말 성형 방법으로 완성된 원통형 성형 제품은 내측면 및 외측면의 경도가 다르고 기능이 다르게 되는 원통형 부품에는 적용할 수 없는 단점을 감안하여 안출한 것으로서, 내측면과 외측면에 서로 다른 분말을 적용하여 내측면 및 외측면의 기능이 다른 부품에 적용할 수 있도록 하부 펀치 중앙에 상하 유동 가능하도록 얇은 원통형 펀치를 삽입 형성함으로써, 상기 원통형 펀치를 중심으로 내,외측에 서로 다른 분말을 충진한 후, 성형 작업을 하여 완성되는 2겹 구조의 원통형 분말 성형 방법을 제공하고자 한 것이다.
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公开(公告)号:KR1019980021130A
公开(公告)日:1998-06-25
申请号:KR1019960039875
申请日:1996-09-13
Applicant: 현대자동차주식회사
Inventor: 오중석
IPC: F16D23/06
Abstract: 본 발명은 싱크로나이저 링의 안쪽면에 형성되는 세레이션 형상은 개선하여 링의 마찰력을 향상시킬 수 있게 한 자동차 변속기의 싱크로나이저 링에 관한 것으로서, 싱크로나이저 링의 안쪽면에 반원단면을 가지면서 축선방향을 따라 형성되는 세레이션을 적용함으로써, 싱크로나이저 링의 마찰력 향상 및 원활한 윤활작용을 도모할 수 있게 한 자동차 변속기의 싱크로나이저 링을 제공하고자 한 것이다.
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公开(公告)号:KR101091664B1
公开(公告)日:2011-12-08
申请号:KR1020100120105
申请日:2010-11-30
Abstract: PURPOSE: A method for estimating the remaining driving distance of an electric vehicle is provided to estimate the remaining driving distance based on various environments, thereby providing accurate information about the remaining driving distance to a user. CONSTITUTION: A driving distance is measured after a battery is charged(S110). A battery charging amount is measured(S112). A driving distance for the battery charging amount is calculated during an accumulation average value re-calculating process. The driving distance value about a new battery charging amount is inputted. An accumulation average value is re-calculated. The re-calculated data is stored and updated.
Abstract translation: 目的:提供一种用于估计电动车辆的剩余行驶距离的方法,以基于各种环境来估计剩余行驶距离,从而提供关于剩余行驶距离的准确信息给用户。 构成:电池充电后测量行驶距离(S110)。 测量电池充电量(S112)。 在累积平均值重新计算处理期间计算电池充电量的驱动距离。 输入关于新的电池充电量的行驶距离值。 累积平均值被重新计算。 重新计算的数据被存储和更新。
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公开(公告)号:KR101054958B1
公开(公告)日:2011-08-05
申请号:KR1020080118629
申请日:2008-11-27
Applicant: 현대자동차주식회사
Abstract: 본 발명은 실질적으로 고전압배터리에서 충방전 전류가 흐르고 있는 상황에서는 전류센서의 오차 보정로직이 작용하는 것을 배제할 수 있어서 잘못된 오차보정이 이루어지지 않도록 하며, 차량이 장시간 주행하거나 장시간 정차하는 경우에도 상대적으로 자주 전류센서의 오차를 보정할 수 있도록 하여, 항상 고전압배터리의 정확한 충전량을 파악할 수 있도록 함으로써, 하이브리드 차량의 기능을 최대한 발휘할 수 있도록 한 하이브리드 차량의 고전압배터리의 전류센서 오차 보정방법을 제공한다.
고전압배터리, LDC, 아이들스탑, 전류센서Abstract translation: 本发明基本上是在其中从高电压电池中流动的放电电流,并防止不正确的错误校正进行,以便能够排除局面的电流传感器行为的纠错逻辑,即使当车辆正在行驶时或停止一段长的时间相对长的时间 作为经常以校正电流传感器的误差,始终提供通过允许电荷以确定混合动力车辆的高电压电池的电流传感器误差被呈现尽可能在高电压电池的校正方法的混合动力车辆的功能准确。
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公开(公告)号:KR1020040000527A
公开(公告)日:2004-01-07
申请号:KR1020020035007
申请日:2002-06-21
IPC: C22C38/60
CPC classification number: C22C38/22 , C22C33/0228 , C22C33/0242 , C22C33/0278 , C22C38/04 , C22C38/24 , C22C38/30 , C22C38/60
Abstract: 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, 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, 1.2 to 1.7 wt.% of carbon, 3.5 to 5.0 wt.% of chromium, 2.0 to 4.0 wt.% of molybdenum, 3.0 to 5.0 wt.% of vanadium, 7.0 to 10.0 wt.% of tungsten, 2.0 to 3.5 wt.% of cobalt, 0.1 to 1.0 wt.% of boron nitride, 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.
Abstract translation: 目的:提供一种用于阀座的耐磨烧结合金,其通过以铁,铬,钼,钒,钨,硅,锰和铅为主要成分提高耐磨性和成形性,并提供其制造方法。 构成:该方法包括通过将铁的主要成分,1.2〜1.7重量%的碳,3.5〜5.0重量%的碳,3.5〜5.0重量%的碳,将共混合金压制成5〜8吨/ 铬,2.0〜4.0重量%的钼,3.0〜5.0重量%的钒,7.0〜10.0重量%的钨,2.0〜3.5重量%的钴,0.1〜1.0重量%的氮化硼,0.2〜 0.4重量%的硫,0.2〜0.5重量%的锰和10.0〜15.0重量%的铅; 在完成第一工序之后,在1140〜1180℃的温度下烧结后,对烧结合金进行空气冷却的第二工序; 在完成第二工序之后,将空气冷却的烧结合金的低温冷却至-200〜-600℃的三次方法; 在完成第三次处理之后,在450℃至550℃的温度下浸渍具有铅的亚零冷却合金的第四工序; 以及在完成第四次处理之后,通过使引锭浸渍合金通过桶加工在450-550℃的温度下制造用于阀座的耐磨烧结合金的方法。
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公开(公告)号:KR100405462B1
公开(公告)日:2003-11-14
申请号:KR1020010025918
申请日:2001-05-11
Applicant: 현대자동차주식회사
IPC: C23C4/04
Abstract: PURPOSE: A regenerating method of a crankshaft for automobile is provided to regenerate the crankshaft by spray coating Fe-Mo based alloy powder onto the crankshaft using ultra-high speed spray coating, thereby forming a coating layer having superior abrasion resistance on the crankshaft. CONSTITUTION: The regenerating method of a crankshaft for automobile comprises the step of ultra-high speed spray coating Fe-Mo based alloy powder having a particle size of 15 to 45 micrometers onto the crankshaft, wherein a composition of the Fe-Mo based alloy powder comprises 94 to 95.5 wt.% of Fe, 3 to 4 wt.% of Mo, and 1.5 to 2.0 wt.% of C, the ultra-high speed spray coating is a process of melting and dispersing various powders by burning hydrogen and oxygen to obtain high temperature of 2800 deg.C or more and combustion gas flow rate of Mach 5 or more differently from arc or plasma spray coating process, molybdenum (Mo) is added to increase hardness and decrease friction coefficient of the crankshaft, a large amount of carbon (C) is added to increase hardness of a coating layer by forming martensite during rapid cooling of the coating layer after spray coating, Fe contributes to improve hardness of the coating layer since some of Fe is oxidized in the spray coating powder by reaction gas and inflow of oxygen in the external atmosphere so that oxides are formed, a mixed gas in which a ratio of oxygen to hydrogen is 1:1.2 to 1.4 in a composition of the combustion gas is appropriate for complete combustion of hydrogen and formation of iron oxides in spray coating powder, and the coating layer having a hardness of 620 Hv or more is formed by ultra-high spray coating the Fe-Mo based alloy powder onto the crankshaft under the above conditions.
Abstract translation: 目的:提供一种汽车曲轴的再生方法,通过使用超高速喷涂将Fe-Mo基合金粉末喷涂到曲轴上从而使曲轴再生,由此在曲轴上形成具有优异耐磨性的涂层。 用于汽车的曲轴的再生方法包括在曲轴上超高速喷涂粒径为15-45微米的Fe-Mo基合金粉末的步骤,其中Fe-Mo基合金粉末 包括94-95.5重量%的Fe,3-4重量%的Mo和1.5-2.0重量%的C,超高速喷涂是一种通过燃烧氢气和氧气来熔化和分散各种粉末的方法 与电弧或等离子喷涂工艺不同,为了获得2800℃以上的高温和马赫数5以上的燃烧气体流量,添加钼(Mo)以增加硬度并降低曲轴的摩擦系数,大量 的碳(C)以通过在喷涂后的涂层的快速冷却过程中形成马氏体来增加涂层的硬度,因此Fe有助于提高涂层的硬度,因为一些Fe在喷涂粉末中通过反应被氧化 并且在外部气氛中氧气的流入使得形成氧化物,在燃烧气体组成中氧与氢的比例为1:1.2至1.4的混合气体适合于完全燃烧氢气和形成 通过在上述条件下将Fe-Mo系合金粉末超高速喷涂到曲轴上,形成硬度为620Hv以上的涂层。
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公开(公告)号:KR1020030087111A
公开(公告)日:2003-11-13
申请号:KR1020020024679
申请日:2002-05-06
Applicant: 현대자동차주식회사
IPC: C23C4/08
Abstract: PURPOSE: A method for coating synchronizer ring having high friction coefficient is provided to form a coating layer having superior wear resistance and high friction coefficient on the synchronizer ring by spray-coating molybdenum (Mo)-bronze-AlSi based alloy powder on the inner surface of the synchronizer ring. CONSTITUTION: The method comprises the step of coating molybdenum (Mo)-bronze-AlSi based alloy powder having a particle size of 15 to 45 μm on the inner surface of the synchronizer ring by plasma spray coating, wherein the molybdenum (Mo)-bronze-AlSi based alloy powder comprises 100 weight parts of molybdenum, 20 to 30 weight parts of bronze and 20 to 30 weight parts of AlSi, wherein the bronze comprises 90 wt.% of copper (Cu) and 10 wt.% of tin (Sn), and the AlSi comprises 88 wt.% of aluminum (Al) and 12 wt.% of silicon (Si).
Abstract translation: 目的:提供一种具有高摩擦系数的同步环涂覆方法,通过在内表面上喷涂钼(Mo)-bronze-AlSi基合金粉末,在同步环上形成具有优异耐磨性和高摩擦系数的涂层 的同步环。 构成:该方法包括通过等离子体喷涂在同步环的内表面上涂布粒径为15〜45μm的钼(Mo)-bronze-AlSi系合金粉末的步骤,其中,钼(Mo)-bronze -AlSi基合金粉末包含100重量份的钼,20至30重量份的青铜和20至30重量份的AlSi,其中青铜包含90重量%的铜(Cu)和10重量%的锡(Sn ),并且AlSi包含88重量%的铝(Al)和12重量%的硅(Si)。
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公开(公告)号:KR1020030021916A
公开(公告)日:2003-03-15
申请号:KR1020010055483
申请日:2001-09-10
Applicant: 현대자동차주식회사
Inventor: 오중석
IPC: C22C1/05
CPC classification number: C22C38/52 , B22F2003/248 , B22F2998/00 , B22F2998/10 , B22F2999/00 , C22C33/0207 , C22C33/0242 , C22C33/0285 , C22C38/42 , C22C38/44 , C22C38/46 , B22F5/02 , B22F3/26 , B22F3/24 , B22F1/0003 , B22F3/02 , B22F3/1007 , B22F2201/016
Abstract: PURPOSE: A wear resistance reinforced iron based sintered alloy composition for valve seat in which vanadium carbide powder, Fe-Co-Ni-Mo alloy powder and Cr-W-Co-C alloy powder are dispersed on sorbite matrix structure is provided, and a manufacturing method of the iron based sintered alloy composition for valve seat is provided. CONSTITUTION: The sintered alloy for valve seat is characterized in that the alloy for valve seat is manufactured by sintering alloy method with 0.7 to 1.3 wt.% of vanadium carbide powder, 84 to 86 wt.% of Fe-Co-Ni-Mo alloy powder, 12.5 to 13.5 wt.% of Cr-W-Co-C alloy powder and 0.6 to 1.3 wt.% of graphite powder being dispersed onto matrix structure, wherein a composition for the alloy comprises 1.0 to 1.5 wt.% of C, 1 to 3 wt.% of Ni, 6 to 11 wt.% of Cr, 1 to 3 wt.% of Mo, 5 to 11 wt.% of Co, 1 to 3 wt.% of W, 0.5 to 1.0 wt.% of V, 11 to 18 wt.% of Cu and a balance of Fe, and wherein the Fe-Co-Ni-Mo alloy powder comprises 86 to 93 wt.% of Fe, 5 to 8 wt.% of Co, 1 to 3 wt.% of Ni, and 1 to 3 wt.% of Mo, and the Cr-W-Co-C alloy powder comprises 48 to 80 wt.% of Cr, 8 to 25 wt.% of W, 10 to 25 wt.% of Co and 1 to 3 wt.% of C.
Abstract translation: 目的:提供一种用于阀座的耐磨强化铁基烧结合金组合物,其中将钒碳化物粉末,Fe-Co-Ni-Mo合金粉末和Cr-W-Co-C合金粉末分散在索氏体矩阵结构上, 提供了一种用于阀座的铁基烧结合金组合物的制造方法。 构成:用于阀座的烧结合金的特征在于,通过烧结合金法制造用于阀座的合金,其中0.7〜1.3重量%的碳化钒粉末,84〜86重量%的Fe-Co-Ni-Mo合金 粉末,12.5〜13.5重量%的Cr-W-Co-C合金粉末和0.6〜1.3重量%的石墨粉末分散在基体结构上,其中,合金组成包含1.0-1.5重量%的C, 1〜3重量%的Ni,6〜11重量%的Cr,1〜3重量%的Mo,5〜11重量%的Co,1〜3重量%的W,0.5〜1.0重量% V的%,11〜18重量%的Cu,余量为Fe,Fe-Co-Ni-Mo合金粉末含有86〜93重量%的Fe,5〜8重量%的Co,1 至3重量%的Ni和1至3重量%的Mo,Cr-W-Co-C合金粉末包含48至80重量%的Cr,8至25重量%的W,10至 25重量%的Co和1〜3重量%的C.
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