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    • 4. 发明授权
    • Carbon-carbon composite for friction products and method of making same
    • 用于摩擦产品的碳 - 碳复合材料及其制造方法
    • US6093482A
    • 2000-07-25
    • US210891
    • 1998-12-16
    • Hyun Cheol ParkHong Bum LeeIk Hyun OhHyun Kyu ShinKwang Soo KimJohn Hyun Park
    • Hyun Cheol ParkHong Bum LeeIk Hyun OhHyun Kyu ShinKwang Soo KimJohn Hyun Park
    • C04B35/83F16D69/02B32B18/00C01B31/00
    • F16D69/023C04B35/83Y10T428/2918Y10T428/292Y10T428/30
    • A carbon--carbon composite for friction products comprises an outer friction part and a load bearing structure part supporting the friction part. The friction part contains a mixture of carbon fibers, pitch powder and graphite powder, whereas the structure part is comprised of a pack of alternating layers of the mixture and layers of one member selected from the group consisting of carbon fabrics, carbon-based prepregs and carbon-based, segmented prepregs. The carbon--carbon composite is formed by way of aternatingly piling up layers of a mixture of carbon fibers, pitch powder and graphite powder and layers of one member selected from the group consisting of carbon fabrics, carbon-based prepregs and carbon-based, segmented prepregs one above the other to provide a preform, heating and pressing the preform within a mold to obtain a green body, carbonizing the green body to prepare a carbonized body, impregnating the carbonized body with pitch powder and recarbonizing the impregnated body, and subjecting the impregnated and recarbonized body to chemical vapor infiltration with hydrocarbon gas.
    • 用于摩擦产品的碳 - 碳复合材料包括外摩擦部件和支撑摩擦部件的承载结构部件。 摩擦部分包含碳纤维,沥青粉末和石墨粉末的混合物,而结构部分由混合物的一组交替层组成,并且选自碳织物,碳基预浸料和 碳基分段预浸料。 碳 - 碳复合材料是通过将碳纤维,沥青粉末和石墨粉末的混合物层和由碳纤维,碳基预浸料和碳基组成的组中选择的一个层的层叠在一起而形成的, 预成型件之间,预成型件一起预成型件,在模具内加热预压成形体,得到生坯,将生坯碳化,制成碳化体,用沥青粉浸渍碳化体,再重新浸渍浸渍体, 浸渍和再碳化身体与碳氢化合物气体进行化学气相渗透。
    • 7. 发明申请
    • COOLING FAN CLUTCH
    • 冷却风扇离合器
    • US20090155094A1
    • 2009-06-18
    • US12238084
    • 2008-09-25
    • Hong Bum LEE
    • Hong Bum LEE
    • F04D27/00F01D15/12
    • F16D35/024F01P7/085F16D48/066F16D2500/10468F16D2500/3064F16D2500/504F16D2500/70424
    • A disk-shaped cover has a first toothed portion at one surface thereof. A housing is coupled with the cover such that a space is defined therebetween. The housing has a second toothed portion at one surface thereof, facing the first toothed portion. A shaft is rotatably disposed through a middle portion of the housing. A fan is fixedly connected to the housing and rotatable with the housing. A rotor is mounted in the space between the cover and the housing, engaged with and rotatable with the shaft, with third and fourth toothed portions at both surfaces thereof, engaged with the first and second toothed portions, respectively. An operation unit controls an amount of fluid supplied to the space between the cover and the housing to control a frictional force generated between the rotor, the housing, and the cover. A control unit controls the operation unit based on a coolant temperature.
    • 盘形盖在其一个表面上具有第一齿形部分。 壳体与盖体联接,从而在其间限定一个空间。 壳体在其一个表面上具有面向第一齿形部分的第二齿形部分。 轴可旋转地设置穿过壳体的中间部分。 风扇固定地连接到壳体并且可以与壳体一起旋转。 转子安装在盖和壳体之间的空间中,与轴接合并且可与轴一起旋转,其两个表面上的第三和第四齿部分别与第一和第二齿形部分接合。 操作单元控制供给到盖和壳体之间的空间的流体的量,以控制在转子,壳体和盖之间产生的摩擦力。 控制单元基于冷却剂温度控制操作单元。