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    • 1. 发明授权
    • Brush seal having bristles tilted in the circumferential direction
    • 具有沿圆周方向倾斜的刷毛的刷子密封
    • US5944320A
    • 1999-08-31
    • US45162
    • 1998-03-19
    • Klemens WernerAlfons GailStefan Beichl
    • Klemens WernerAlfons GailStefan Beichl
    • F16J15/16F16J15/3288F16J15/447
    • F16J15/3288
    • A brush seal (1, 101) seals a circumferential gap (S.sub.1) between two relatively rotatable machine components (2, 102; 3, 103), such as the rotor or a shaft and a stator of a fluid flow machine, such as a gas turbine engine. A plurality of seal bristles (4, 104) are fixed in a bristle holder (5) in an annular shape, and are mounted on the stator (3, 103) so that the free bristle ends (7, 107) extend toward and provide a seal against a seal surface (9, 109) of the rotor (2, 102). Each bristle includes a middle body portion (4A) that is tilted at a first tilt angle (.alpha..sub.1) in the circumferential direction following the rotation direction, and the free bristle end (7, 107) is bent or angled relative to the tilted body portion (4A) so as to extend at a second tilt angle (.alpha..sub.2) which is smaller than the first tilt angle (.alpha..sub.1). Preferably, the first tilt angle (.alpha..sub.1) is in the range from 30.degree. to 60.degree., while the second tilt angle (.alpha..sub.2) is in the range from 0.degree. to 15.degree.. The bristles may further be tilted in an axial direction at an angle (.beta.) relative to a radially extending plane. Since the free bristle ends (7, 107) extend substantially perpendicularly to the seal surface (9, 109), the seal effectiveness and the elastic resiliency of the brush seal are maintained, and the bristles are not damaged, independent of the rotation direction of the rotor.
    • 刷密封件(1,101)密封两个相对可旋转的机器部件(2,102; 3,103)之间的周向间隙(S1),例如转子或流体流动机器的轴和定子,例如 燃气轮机。 多个密封刷毛(4,104)固定在一个环形的刷毛支架(5)中,并安装在定子(3,103)上,使得自由刷毛端部(7,107)朝向并提供 对所述转子(2,102)的密封表面(9,109)的密封。 每个刷毛包括沿着旋转方向沿圆周方向以第一倾斜角(α1)倾斜的中间本体部分(4A),并且自由刷毛端部(7,107)相对于倾斜体弯曲或成角度 部分(4A)以比第一倾斜角(α1)小的第二倾斜角(α2)延伸。 优选地,第一倾斜角(α1)在30°至60°的范围内,而第二倾斜角(α2)在0°至15°的范围内。 刷毛可以进一步沿轴向方向以相对于径向延伸的平面成角度(β)倾斜。 由于自由刷结束(7,107)基本上垂直于密封表面(9,109)延伸,所以保持刷密封件的密封效果和弹性弹性,并且刷毛不会被损坏,而与毛圈的旋转方向无关 转子。
    • 4. 发明授权
    • Brush seal between a rotor and a stator in a turbine machine
    • 在涡轮机中的转子和定子之间的刷密封
    • US5975535A
    • 1999-11-02
    • US939304
    • 1997-09-29
    • Alfons GailKlemens Werner
    • Alfons GailKlemens Werner
    • F16J15/32F16J15/447
    • F16J15/3288F05B2220/302
    • A brush seal is provided for sealing, with minimized leakage, a circumferential gap (S), for example between a rotor (1) and a stator (2) in a gas turbine engine. The brush seal includes a bristle housing (4) rigidly mounted on the stator or the rotor, and bristles (6) having fixed ends securely and durably held in the housing (4) and free ends protruding toward and into the annular gap (S). The housing (4) includes two holder disks (5A, 5B) with an interspace (Z) therebetween, wherein the interspace includes at least one of an axially directed first clamping portion (8) and a radially directed second clamping portion (10), and a widened non-clamping portion (7A, 7B). The fixed ends of the bristles are clampingly held in the first and second clamping portions, while the free ends of the bristles extend generally toward the opposite rotor or stator while being movably supported and guided by the widened non-clamping portion of the interspace (Z). The bristles (6) may extend at a tilt angle in the circumferential direction and may be stitched, woven, or glued together at their fixed ends in order to form a single bristle packet.
    • 提供刷密封件,以最小的泄漏密封周向间隙(S),例如在燃气涡轮发动机中的转子(1)和定子(2)之间。 电刷密封件包括刚性地安装在定子或转子上的刷毛壳体(4)和具有牢固并持久地固定在壳体(4)中的固定端部的刷毛(6)和向环形间隙(S)伸出的自由端, 。 壳体(4)包括在其间具有间隙(Z)的两个保持盘(5A,5B),其中该间隙包括轴向定向的第一夹紧部分(8)和径向定向的第二夹紧部分(10)中的至少一个, 和加宽的非夹紧部分(7A,7B)。 刷毛的固定端被夹紧地保持在第一和第二夹持部分中,而刷毛的自由端大体上朝着相对的转子或定子延伸,同时由间隙的加宽非夹紧部分(Z )。 刷毛(6)可以在圆周方向上以倾斜角度延伸,并且可以在其固定端缝合,编织或胶合在一起以形成单个刷毛包。
    • 8. 发明授权
    • Brush seal
    • 刷子密封
    • US07445212B2
    • 2008-11-04
    • US09832637
    • 2001-04-11
    • Alfons GailLodewijk PrinsKlemens Werner
    • Alfons GailLodewijk PrinsKlemens Werner
    • F16J15/44F16J15/32
    • F16J15/3288Y10T403/1691
    • A brush seal for sealing a rotor with respect to a stator includes a bristle housing which is held on the stator or rotor, a cover plate, a supporting plate, a circumferential surface and two side surfaces and in which bristles oriented with their free ends to the rotor or stator are fastened. The bristle housing, for ensuring correct, anti-rotation installation in its seat, includes a first positioning arrangement on at least one side surface or the circumferential surface, the first positioning arrangement interacting in a positive-locking manner with a correspondingly configured second positioning arrangement on the stator or rotor or a separate fastening element for the definite positioning of the bristle housing.
    • 用于相对于定子密封转子的刷密封件包括固定在定子或转子上的刷毛壳体,盖板,支撑板,圆周表面和两个侧表面,其中以自由端定向的刷毛 转子或定子被固定。 用于确保其座椅中的正确的防旋转安装的刷毛壳体包括在至少一个侧表面或周向表面上的第一定位装置,第一定位装置以正向锁定方式与相应配置的第二定位装置 在定子或转子上或用于确定刷毛壳体的定位的单独的紧固元件。