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    • 5. 发明授权
    • Seal system
    • 密封系统
    • US07832734B2
    • 2010-11-16
    • US11884643
    • 2006-02-08
    • Stefan BeichlAlfons Gail
    • Stefan BeichlAlfons Gail
    • F01D11/02
    • F16J15/3288F01D11/001F05D2240/56
    • A seal arrangement for a turbo-engine, for sealing a peripheral gap between a rotor and a stator is provided. The stator a seal holder provided with at least one groove for respectively receiving a segmented, dynamic seal. Segments of the dynamic seal are made up of a plurality of brush seal segments, and free ends of bristles of the brush seal segments extend in the radial direction project from the respective groove and lie on the rotor. The or every groove for receiving the brush-type seal segments is designed without an undercut, the brush-type seal segments being received in the respective groove without an undercut in a positive manner.
    • 提供了用于涡轮发动机的用于密封转子和定子之间的周向间隙的密封装置。 所述定子具有设置有至少一个凹槽的密封保持器,用于分别接收分段的动态密封件。 动力密封件的部分由多个刷子密封段组成,刷子密封段的刷毛的自由端在径向方向上从相应的凹槽突出并且位于转子上。 用于接收刷式密封段的或每个槽被设计成没有底切,刷式密封段被接收在相应的凹槽中,而没有底切以积极的方式。
    • 6. 发明申请
    • Seal Arrangement
    • 密封安排
    • US20080258403A1
    • 2008-10-23
    • US11884643
    • 2006-02-08
    • Stefan BeichlAlfons Gail
    • Stefan BeichlAlfons Gail
    • F16J15/32
    • F16J15/3288F01D11/001F05D2240/56
    • A seal arrangement for a turbo-engine, for sealing a peripheral gap between a rotor and a stator is provided. The stator a seal holder provided with at least one groove for respectively receiving a segmented, dynamic seal. Segments of the dynamic seal are made up of a plurality of brush seal segments, and free ends of bristles of the brush seal segments extend in the radial direction project from the respective groove and lie on the rotor. The or every groove for receiving the brush-type seal segments is designed without an undercut, the brush-type seal segments being received in the respective groove without an undercut in a positive manner.
    • 提供了用于涡轮发动机的用于密封转子和定子之间的周向间隙的密封装置。 所述定子具有设置有至少一个凹槽的密封保持器,用于分别接收分段的动态密封件。 动力密封件的部分由多个刷子密封段组成,刷子密封段的刷毛的自由端在径向方向上从相应的凹槽突出并且位于转子上。 用于接收刷式密封段的或每个槽被设计成没有底切,刷式密封段被接收在相应的凹槽中,而没有底切以积极的方式。
    • 9. 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。