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91. 发明授权

US06669443B2 Rotor platform modification and methods using brush seals in diaphragm packing area of steam turbines to eliminate rotor bowing 失效
公开(公告)号：US06669443B2
公开(公告)日：2003-12-30
申请号：US09988022
申请日：2001-11-16
申请人： Mark Edward Burnett , Christopher Edward Wolfe , Frederick George Baily , Norman Arnold Turnquist , Bruce William Brisson , David Alan Caruso
发明人： Mark Edward Burnett , Christopher Edward Wolfe , Frederick George Baily , Norman Arnold Turnquist , Bruce William Brisson , David Alan Caruso
IPC分类号： F01D1102
CPC分类号： F01D11/001 , F01D11/02
摘要： In a steam turbine, a combined brush and labyrinth seal is provided between a diaphragm web and a radially outwardly projecting platform between axially adjacent wheels on the rotor. The brush seal is located upstream of the labyrinth seal teeth. The platform has at least one and preferably a pair of flanges or fins projecting in opposite axial directions adjacent radial outer ends of the platform. Non-uniform heat distribution resulting from the frictional contact between the bristles of the brush seal and a sealing surface on the platform along the rotor surface affecting rotor dynamics is thereby eliminated or minimized.

92. 发明授权

US06571470B1 Method of retrofitting seals in a gas turbine 有权
标题翻译：在燃气轮机中改装密封件的方法
公开(公告)号：US06571470B1
公开(公告)日：2003-06-03
申请号：US09683268
申请日：2001-12-06
申请人： Jason Paul Mortzheim , Norman Arnold Turnquist , Osman Saim Dinc
发明人： Jason Paul Mortzheim , Norman Arnold Turnquist , Osman Saim Dinc
IPC分类号： B23P1500
CPC分类号： B23P6/002 , F01D11/02 , F05D2230/80 , F05D2240/56 , Y10T29/49318 , Y10T29/49716 , Y10T29/49719
摘要： A method of retrofitting a gas turbine wherein the gas turbine comprises a stator and a rotor. The rotor is coaxially aligned with the stator and spaced apart from the stator so as to define a gap therebetween. The method of retrofitting comprises fixedly securing a sealing member to the stator. The sealing member is configured to restrict a flow of a fluid medium in a fluid path across the gap and generate a pressure drop generally transverse to the gap during operation of the gas turbine.
摘要翻译：一种改装燃气轮机的方法，其中燃气轮机包括定子和转子。转子与定子同轴对准并且与定子间隔开，以便在它们之间形成间隙。改进的方法包括将密封构件固定地固定到定子。密封构件被构造成限制流体路径中的流体介质的流动跨过间隙，并且在燃气轮机的操作期间产生通常横向于间隙的压降。

93. 发明授权

US06558118B1 Bucket dovetail bridge member and method for eliminating thermal bowing of steam turbine rotors 失效
标题翻译：铲斗燕尾桥构件及消除汽轮机转子热弯的方法
公开(公告)号：US06558118B1
公开(公告)日：2003-05-06
申请号：US09985183
申请日：2001-11-01
申请人： Bruce William Brisson , Mark Edward Burnett , Frederick George Baily , David Alan Caruso , Norman Arnold Turnquist , Christopher Edward Wolfe
发明人： Bruce William Brisson , Mark Edward Burnett , Frederick George Baily , David Alan Caruso , Norman Arnold Turnquist , Christopher Edward Wolfe
IPC分类号： F01D1100
CPC分类号： F01D11/003 , F01D11/02 , F05D2240/56
摘要： A steam turbine has a rotor mounting axially spaced rotor wheels having male dovetails for mounting a plurality of axially spaced buckets having female dovetails. A plurality of arcuate bridging members extend axially between the axially adjacent bucket dovetails at locations spaced radially outwardly of the surface of the rotor shaft. A diaphragm in radial opposition to the bridging member mounts a brush seal having bristles engaging the bridging member. The bridging member carries backup labyrinth seal teeth for sealing with the diaphragm. The friction generated by contact between the brush seal bristles and bridging members lies radially outwardly of the rotor whereby non-uniform distribution of heat about the rotor surface due to frictional contact with the brush seal is avoided, with consequent avoidance of rotor bowing.
摘要翻译：蒸汽轮机具有转子安装轴向间隔开的转子轮，其具有用于安装多个具有凹形燕尾的轴向间隔开的桶的阳形燕尾。多个弓形桥接构件在轴向相邻的铲斗燕尾形之间沿与转子轴的表面径向向外间隔开的位置轴向延伸。与桥接构件径向相对的隔膜安装有具有接合桥接构件的刷毛的刷密封。桥接构件带有用于与隔膜密封的备用迷宫式密封齿。由刷子密封刷毛和桥接构件之间的接触产生的摩擦力位于转子的径向外侧，从而避免了由于与刷子密封件的摩擦接触而导致转子表面的不均匀分布，从而避免了转子弯曲。

94. 发明授权

US06517314B1 Method and apparatus for eliminating thermal bowing and axial thrust loads of steam turbine rotors 有权
标题翻译：用于消除汽轮机转子的热弯曲和轴向推力的方法和装置
公开(公告)号：US06517314B1
公开(公告)日：2003-02-11
申请号：US09985638
申请日：2001-11-05
申请人： Mark Edward Burnett , Norman Arnold Turnquist , Christopher Edward Wolfe , Bruce William Brisson , Fredrick George Baily , David Alan Caruso
发明人： Mark Edward Burnett , Norman Arnold Turnquist , Christopher Edward Wolfe , Bruce William Brisson , Fredrick George Baily , David Alan Caruso
IPC分类号： F01D1100
CPC分类号： F01D11/001 , F05D2240/56 , F16J15/3288
摘要： In a steam turbine, a combined brush and labyrinth seal is provided between a diaphragm web and axial projecting platforms on bucket dovetails at a location spaced radially outwardly of the outer diameter of the rotor. The downstream axially adjacent bucket dovetails also have platforms serving as complementary sealing surfaces to labyrinth teeth formed on the web. By locating the combined labyrinth and brush seal radially outwardly of the outer diameter of the shaft, thermal bowing of the rotor is eliminated. By providing backup labyrinth seals at the same radial location, axial thrust loads are eliminated in the event of brush seal failure.
摘要翻译：在蒸汽涡轮机中，组合的刷子和迷宫式密封件设置在隔膜腹板和铲斗燕尾形的轴向突出平台之间，位于与转子外径径向向外的位置处。下游轴向相邻的铲斗燕尾形还具有用作形成在腹板上的迷宫齿的互补密封表面的平台。通过将组合的迷宫和刷子密封件定位在轴的外径的径向外侧，消除了转子的热弯曲。通过在相同的径向位置提供备用迷宫式密封，在刷密封故障的情况下，轴向推力负载被消除。

95. 发明授权

US06502823B1 Actuating seal carrier for a turbine and method of retrofitting 失效
标题翻译：用于涡轮机的致动密封载体和改装方法
公开(公告)号：US06502823B1
公开(公告)日：2003-01-07
申请号：US09683277
申请日：2001-12-07
申请人： Norman Arnold Turnquist , Mehmet Demiroglu
发明人： Norman Arnold Turnquist , Mehmet Demiroglu
IPC分类号： F01D1102
CPC分类号： F16J15/445 , F01D11/025 , F16J15/442
摘要： A seal assembly is provided for a rotary machine wherein the rotary machine comprises a rotor and a casing. The rotor comprises a generally longitudinally-extending axis wherein the casing is generally coaxially aligned with the axis. The casing circumferentially surrounds and is radially spaced apart from the rotor wherein the casing comprises an inner circumferential channel generally coaxially aligned with the rotor. The seal assembly comprises a plurality of seal segments disposable in a circumferential array in the channel so as to be movable between radially inward and radially outward positions. In addition, the seal assembly comprises a plurality of displacement apparatuses comprising at least one fluid inlet and configured for urging apart the seal segments upon introduction of a fluid medium in the fluid inlet. Each of the seal segments comprises an end having at least one of the displacement apparatuses circumferentially disposed thereon.
摘要翻译：为旋转机器提供密封组件，其中旋转机器包括转子和壳体。转子包括大致纵向延伸的轴线，其中壳体大致与轴线同轴对准。壳体周向地包围并且与转子径向间隔开，其中壳体包括通常与转子同轴对准的内周通道。密封组件包括在通道中以周向排列的一次性的多个密封段，以便能够在径向向内和径向向外的位置之间移动。此外，密封组件包括多个位移装置，其包括至少一个流体入口并且构造成用于在将流体介质引入流体入口时推压密封段。每个密封段包括具有周向设置在其上的位移设备中的至少一个的端部。

96. 发明授权

US06454270B1 Low leakage snout sealing system 失效
标题翻译：低泄漏口密封系统
公开(公告)号：US06454270B1
公开(公告)日：2002-09-24
申请号：US09737088
申请日：2000-12-14
申请人： Wei-Ming Chi , Norman Arnold Turnquist , Christopher Edward Wolfe , Mark Arne Florin , Mahmut Faruk Aksit
发明人： Wei-Ming Chi , Norman Arnold Turnquist , Christopher Edward Wolfe , Mark Arne Florin , Mahmut Faruk Aksit
IPC分类号： F16J1508
CPC分类号： F16J15/28
摘要： A low leakage sealing system is provided between a steam pipe and a housing comprised of a pair of shells and a nozzle box movable relative to one another. The sealing system includes large and small diameter sealing rings engaging the pipe and shells or nozzle box and a secondary sealing element disposed between the sealing rings and one of the pipe and shells or nozzle box. The sealing elements comprise frustoconical elements having curved end surfaces forming primary seals with the sealing rings and the housing. In another form, the sealing system includes annular carrier elements having radially opening cavities for receiving sealing rings engageable with the pipe and housing, respectively. The carrier elements are axially spaced from a plurality of sealing rings to provide the low leakage sealing system.
摘要翻译：在蒸汽管和由一对壳体组成的壳体和可相对于彼此移动的喷嘴箱之间提供低泄漏密封系统。密封系统包括与管和壳或喷嘴箱接合的大直径和小直径的密封环，以及设置在密封环与管和壳或喷嘴箱中的一个之间的次级密封元件。密封元件包括具有弯曲端面的截头圆锥元件，其形成具有密封环和壳体的主密封。在另一种形式中，密封系统包括具有径向开口腔的环形载体元件，用于接收分别与管道和壳体接合的密封环。载体元件与多个密封环轴向间隔开以提供低泄漏密封系统。

97. 发明授权

US06435513B1 Combined brush seal and labyrinth seal segment for rotary machines 有权
公开(公告)号：US06435513B1
公开(公告)日：2002-08-20
申请号：US09791881
申请日：2001-02-26
申请人： David Robert Skinner , Bharat S. Bagepalli , Robert Harold Cromer , Osman Saim Dinc , Norman Arnold Turnquist , Christopher Edward Wolfe
发明人： David Robert Skinner , Bharat S. Bagepalli , Robert Harold Cromer , Osman Saim Dinc , Norman Arnold Turnquist , Christopher Edward Wolfe
IPC分类号： F16J15447
摘要： A brush seal is comprised of arcuate seal segments having ends cut in a radial direction with bristles “canted” at an approximate 45° angle relative to radii of the segments, leaving triangular regions adjacent one end of each segment devoid of bristles at the segment interfaces. The brush seals are retrofit into conventional labyrinth seals with the backing plate for the bristles comprising a labyrinth tooth profile extending fully 360° about the seal, including those areas where bristles are not present. The sealing capacity is not substantially degraded, while affording significant sealing improvements over conventional labyrinth seals. Additionally, when retrofit into labyrinth seals with radial movement, the individual labyrinth seal segments are free to move radially independently of one another during transients.

98. 发明授权

US06367806B1 Seal arrangement for a rotary machine such as a turbine 有权
标题翻译：旋转机械如涡轮机的密封装置
公开(公告)号：US06367806B1
公开(公告)日：2002-04-09
申请号：US09472914
申请日：1999-12-27
申请人： Norman Arnold Turnquist , Osman Saim Dinc , George Ernest Reluzco , Robert Harold Cromer , Martin Francis O'Connor , David Robert Skinner , Christopher Edward Wolfe
发明人： Norman Arnold Turnquist , Osman Saim Dinc , George Ernest Reluzco , Robert Harold Cromer , Martin Francis O'Connor , David Robert Skinner , Christopher Edward Wolfe
IPC分类号： F16J1544
CPC分类号： F16J15/3288 , F16J15/442
摘要： A seal arrangement for a rotary machine, such as a turbine, includes a main seal segment such as a labyrinth seal segment, a brush seal segment disposed in a slot in the main seal segment and having a layer of bristles secured between upstream and downstream plates of the brush seal segment, and at least one passage radially formed through the main seal segment to communicate a balancing pressure from a pressure source located exteriorly of an outer periphery of the main seal segment to a cavity defined in the downstream plate of the brush seal segment at a downstream side of the layer of bristles of the brush seal segment.
摘要翻译：用于诸如涡轮机的旋转机器的密封装置包括主密封段，例如迷宫式密封段，设置在主密封段中的狭槽中并具有固定在上游和下游板之间的刷毛层的刷密封段以及至少一个通过主密封段径向形成的通道，以将来自位于主密封段的外周外部的压力源的平衡压力传递到限定在刷密封件的下游板中的空腔在刷密封段的刷毛层的下游侧的段。

99. 发明授权

US06257586B1 Combined brush seal and labyrinth seal segment for rotary machines 失效
标题翻译：旋转机组合刷密封和迷宫式密封段
公开(公告)号：US06257586B1
公开(公告)日：2001-07-10
申请号：US08839737
申请日：1997-04-15
申请人： David Robert Skinner , Bharat S. Bagepalli , Robert Harold Cromer , Osman Saim Dinc , Norman Arnold Turnquist , Christopher Edward Wolfe
发明人： David Robert Skinner , Bharat S. Bagepalli , Robert Harold Cromer , Osman Saim Dinc , Norman Arnold Turnquist , Christopher Edward Wolfe
IPC分类号： F16J15447
CPC分类号： F01D11/001 , F01D9/023 , F01D11/005 , F01D11/02 , F01D11/025 , F01D11/08 , F01D11/12 , F05D2230/80 , F05D2240/56 , F05D2300/6012 , F16J15/3288 , F16J15/442 , F16J15/4472
摘要： A brush seal is comprised of arcuate seal segments having ends cut in a radial direction with bristles “canted” at an approximate 45° angle relative to radii of the segments, leaving triangular regions adjacent one end of each segment devoid of bristles at the segment interfaces. The brush seals are retrofit into conventional labyrinth seals with the backing plate for the bristles comprising a labyrinth tooth profile extending fully 360° about the seal, including those areas where bristles are not present. The sealing capacity is not substantially degraded, while affording significant sealing improvements over conventional labyrinth seals. Additionally, when retrofit into labyrinth seals with radial movement, the individual labyrinth seal segments are free to move radially independently of one another during transients.
摘要翻译：刷密封件包括弧形密封段，其具有在径向方向上切割的端部，其中刷毛“倾斜”相对于段的半径成大约45°的角度，在段接口处留下与缺少刷毛的每个段的一端相邻的三角形区域。毛刷密封件被改造成传统的迷宫式密封件，其中用于刷毛的背板包括围绕密封件完全360°延伸的迷宫齿廓，包括不存在刷毛的区域。密封能力基本上不降低，同时比传统的迷宫式密封件提供显着的密封改进。另外，当以径向运动方式改装成迷宫式密封件时，各个迷宫式密封段在瞬变过程中可以彼此自由地径向移动。

100. 发明授权

US6139019A Seal assembly and rotary machine containing such seal 有权
标题翻译：密封组装和旋转机器包含这种密封
公开(公告)号：US6139019A
公开(公告)日：2000-10-31
申请号：US327583
申请日：1999-06-08
申请人： Osman Saim Dinc , Norman Arnold Turnquist , George Ernest Reluzco , Lawrence Donald Willey , Christopher Edward Wolfe
发明人： Osman Saim Dinc , Norman Arnold Turnquist , George Ernest Reluzco , Lawrence Donald Willey , Christopher Edward Wolfe
IPC分类号： F01D11/08 , F02C7/00 , F16J15/16 , F16J15/22 , F16J15/32 , F16J15/44 , F16J15/447 , F01D11/02
CPC分类号： F16J15/442 , F16J15/3288 , F16J15/4472
摘要： A seal assembly and a rotary machine, such as a steam turbine, containing such seal. A stator circumferentially surrounds a row of rotor blades. The stator includes an upstream tooth-seal region, a downstream brush-seal region, and an intervening fluid expansion chamber all radially near the blade tips. Debris in the fluid stream is broken down into smaller particles by the tooth-seal region, and the smaller particles are slowed down by the fluid expansion chamber such that minimal damage is caused to the downstream bristles in the brush seal region.
摘要翻译：密封组件和旋转机器，例如蒸汽涡轮机，其包含这种密封件。定子周向地包围一排转子叶片。定子包括上游齿密封区域，下游刷子密封区域和径向靠近叶片尖端的中间流体膨胀室。流体流中的碎屑被齿密封区域分解成更小的颗粒，并且较小的颗粒被流体膨胀室减慢，使得对刷刷密封区域中的下游刷毛产生最小的损伤。

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