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    • 72. 发明公开
    • Leitungselement mit einem Balg aus Metall
    • 具有波纹管构件由金属制成的
    • EP1241389A1
    • 2002-09-18
    • EP02011706.5
    • 1998-03-18
    • Witzenmann GmbH
    • Elsässer, FabianKrawietz, Tom
    • F16L27/111F01N7/18
    • F01N13/1816F16L27/111
    • Insbesondere für Abgas- und -rückführleitungen von Kraftfahrzeugen wird ein Leitungselement (1) mit einem mit zylindrischen Anschlußenden (4,5) versehenen umgebenden Leitungsteil aus Metall und einem dieses koaxial umgebenden Geflechtsschlauch (6) aus Metalldraht angegeben, wobei das Leitungsteil (1) wenigstens einen gewellten Balg enthält. Dabei ist vorgesehen, daß der Schlauch durch eine auf ihn infolge einer radialen Querschnittsreduzierung wirkende Vorspannung wenigstens örtlich in reibende Anlage gegen die den freien Außendurchmesser des Leitungsteiles bildenden Wandungen des Leitungsteiles gebracht ist.
    • 特别地,对于排气,并用一个返回机动车辆,线路元件(1)的线与连结筒端部(4,5)提供周边管部件由金属制成,并从金属丝,导管部分提供了这个同轴地围绕编织套筒(6)(1)至少 包括波纹管。 中规定,该管是由作用在其上在横截面的径向降低至少局部地偏压成摩擦抵靠形成导管部的导管部分的壁的自由外径的结果的力引起的。
    • 75. 发明公开
    • Exhaust decoupler system
    • Abgasentkopplungsystem
    • EP1055807A2
    • 2000-11-29
    • EP00109062.0
    • 2000-04-28
    • SJM Company Limited
    • Jung, Eun SungKim, Dae Hyun
    • F01N7/18F16L27/111F16L51/02
    • F01N13/1816F01N13/1811F16L27/1004F16L27/111F16L51/027
    • An exhaust decoupler system for motor vehicles includes: a sleeve 10 through which exhaust gas may pass from the engine; a couple of retainer members 20 and 21 oppositely positioned from the exhaust pipe and engine, one member engaged with the outer side of the sleeve 10, at which end the rims 20a and 21a are circumferentially bent; bellows 30 between the rims 20a and 21a of the inner retainer members 20 and 21, for absorbing the bending and expansion to maintain the exhaust gas to be airtight; outer retainer members 40 and 41 located externally the inner retainer members 20 and 21, both ends engaged with the inner retainer members 20 and 21, inner side to be opened toward the center; a guide ring member 50 for dividing the inner retainer members 20 and 21 and outer retainer members 40 and 41 to symmetrically form first pockets 51 and 52 and second pockets 53 and 54, and for surrounding the bellows 30; and an inner buffering member 60 and an outer buffering member 61 in the form of loop to be filled within in the first pockets 51 and 52 and the second pockets 53 and 54. The bending displacement is efficiently absorbed to minimally effect the engine by oppositely sliding the guide ring member in the bending displacement direction between the inner and outer buffering members 60 and 61. Moreover, the system enables the sliding length between the inner and outer buffering members 60 and 61 to be shortened, thereby reducing the abrasion and friction noise, so that the fatigue life of the overall exhaust pipe and the durability of the product can be increased.
    • 用于机动车辆的排气分离器系统包括:排气可以从发动机通过的套筒10; 与排气管和发动机相对定位的一对保持构件20和21,一个构件与套筒10的外侧接合,在该端部处,轮缘20a和21a周向地弯曲; 在内侧保持构件20和21的边缘20a和21a之间的波纹管30用于吸收弯曲和膨胀以将排气保持气密; 外保持构件40和41位于内保持构件20和21的外部,两端与内保持构件20和21接合,内侧被朝向中心打开; 用于分隔内部保持器构件20和21以及外部保持构件40和41的导向环构件50,以对称地形成第一凹部51和52以及第二凹部53和54,并围绕波纹管30; 以及填充在第一凹穴51和52以及第二凹穴53和54内的环形形式的内缓冲构件60和外缓冲构件61.弯曲位移被有效地吸收以通过相对滑动最小化地影响发动机 导向环构件在内缓冲构件60和内缓冲构件61之间的弯曲位移方向上。此外,该系统能够缩短内缓冲构件60和内缓冲构件61之间的滑动长度,从而减少磨损和摩擦噪声, 从而可以提高整体排气管的疲劳寿命和产品的耐久性。
    • 79. 发明公开
    • A flexible duct with a corrugated double wall for decoupling the exhaust pipe of a motor vehicle
    • 柔性纤维多巴皮革手套zurAbgasrohrentköpplungim Kraftfahrzeug
    • EP0779417A2
    • 1997-06-18
    • EP96119557.5
    • 1996-12-05
    • FLEXIDER S.p.A.
    • Ballone, Tony
    • F01N7/08F16L27/111F16L51/02
    • F01N13/1816F01N2530/26F16L27/1004F16L27/111F16L51/027
    • A flexible duct (1) for interposing between the exhaust manifold of the engine of a motor vehicle and the subsequent exhaust pipe so as to decouple them from each other, constituted by a flexible tubular element (2) with a continuous double wall (7), a pair of sleeves (12) fixed on the ends (3;4) of the tubular element and a pair of collars (14) arranged outside the ends of the tubular element so as to hold this to the sleeves; the tubular element is made of two superimposed sheets (5;6) of stainless steel, bent into a closed tube and deformed axially so as to form a series of circumferential corrugations which provide flexibility; the two sheets (5;6) are of different thickness, the inner one being thicker than the outer; this arrangement provides greater reduction of the noise typical of a corrugated pipe and also damps the noise of the engine; in addition, it increases the fatigue resistance to stresses and the rigidity of the flexible duct compared to similar pipes with a double wall of the same overall thickness made up of two walls each of the same thickness.
    • 一种用于插入机动车辆的发动机的排气歧管和随后的排气管之间以便使它们彼此分离的柔性管道(1),其由具有连续双壁(7)的柔性管状元件(2)构成, ,固定在所述管状元件的端部(3; 4)上的一对套筒(12)和布置在所述管状元件的端部外侧的一对套环(14),以将其保持在所述套筒上; 管状元件由不锈钢的两个重叠的片(5; 6)制成,弯曲成封闭的管并且轴向变形,以形成提供柔性的一系列圆周波纹; 两片(5; 6)的厚度不同,内层厚度比外层厚; 这种布置可以更好地降低波纹管的典型噪声,并且还可以抑制发动机的噪音; 此外,与具有由相同厚度的两个壁组成的相同总厚度的双壁的类似管道相比,它增加了对应力的抗疲劳性和柔性管道的刚性。