公开(公告)号：US06695316B2

公开(公告)日：2004-02-24

申请号：US09957631

申请日：2001-09-21

申请人： Daniel Michael Popa ,  Richard Jon Chevrette ,  Christopher Edward Wolfe ,  George Horner Kirby, III

发明人： Daniel Michael Popa ,  Richard Jon Chevrette ,  Christopher Edward Wolfe ,  George Horner Kirby, III

IPC分类号： F16J1544

CPC分类号： F16J15/442

摘要： A rotary machine has stationary upper and lower housings with circumferential grooves and a rotatable component, as well as annular sealing segments movable toward and away from the rotating components between large and small clearance positions. To prevent circumferential displacement of the lower side segments by gravity forces and to enable the lowermost segment in the lower housing to move vertically between inner and outer clearance positions, the side segments of the lower housing are supported by brackets resting on a support surface forming part of the horizontal midline at the juncture of the upper and lower housings. Consequently, the gaps between the lower ends of the side segments and the opposite ends of the lower segment in the open position of the segments remains, enabling the lower segment to move radially vertically inwardly upon closing the seals.

摘要翻译： 旋转机具有固定的上下壳体，其具有周向槽和可旋转部件，以及可在大间隙位置和小间隙位置之间朝向和远离旋转部件移动的环形密封段。 为了防止下侧段由重力引起的周向位移，并且使得下壳体中的最下段能够在内间隙位置和外间隙位置之间垂直移动，下壳体的侧段由搁置在支撑表面上的支架支撑 在上下壳体的接合处的水平中线。 因此，侧段的下端之间的间隙和下段的相对端处在段的打开位置处的间隙保持不变，使得下段在封闭密封件时能够径向向内垂直向内移动。

公开(公告)号：US06651986B2

公开(公告)日：2003-11-25

申请号：US10057930

申请日：2002-01-29

申请人： Richard Jon Chevrette ,  David Robert Skinner ,  George Horner Kirby, II ,  Christopher Edward Wolfe

发明人： Richard Jon Chevrette ,  David Robert Skinner ,  George Horner Kirby, II ,  Christopher Edward Wolfe

IPC分类号： F16J15447

CPC分类号： F16J15/442

摘要： A rotary machine has a stationary component with circumferential grooves and a rotatable component, as well as annular packing or sealing ring segments movable toward and away from the rotating component. To prevent circumferential displacement of the lower side packing ring segments by gravity forces and enable the lowermost segment in the lower housing to be moved radially inwardly, the side segments of the lower housing are supported adjacent the casing midline in a manner preventing downward movement and enabling horizontal movement. In an exemplary embodiment, the lower side packing ring segment is elongated so as to extend above the horizontal joint of the housing and a key bar extends from a key bar groove in the housing to engage a corresponding groove in the segment. The key bar may be disposed to define a seal key for the horizontal joint.

公开(公告)号：US08662821B2

公开(公告)日：2014-03-04

申请号：US12980614

申请日：2010-12-29

申请人： Richard Jon Chevrette

发明人： Richard Jon Chevrette

IPC分类号： F01D25/30

CPC分类号： F01K7/16 ,  F01D25/24 ,  F01D25/26 ,  F01D25/285 ,  F01D25/30 ,  F05D2220/31 ,  F05D2230/68 ,  F05D2250/51 ,  Y10T29/53

摘要： A removable steam inlet assembly and lifting fixture for a steam turbine are provided to facilitate lifting of the upper exhaust hood of the steam turbine. The removable steam inlet assembly is detached from the steam inlet of the turbine inner casing for the lift and mounted to the upper exhaust hood with a lifting fixture. Detaching and removal of the steam inlet assembly substantially lowers the clearance height for the lift, allowing lower turbine building height with significant cost savings.

摘要翻译： 提供了一种用于汽轮机的可拆卸的蒸气入口组件和提升夹具，以便于提升蒸汽轮机的上排气罩。 可移动蒸汽入口组件从用于电梯的涡轮机内壳的蒸汽入口分离，并通过提升固定装置安装到上排气罩。 蒸汽入口组件的拆除和拆卸大大降低了升降机的间隙高度，从而降低了涡轮机的建筑高度，节省了大量成本。

公开(公告)号：US07641200B2

公开(公告)日：2010-01-05

申请号：US11287727

申请日：2005-11-28

申请人： Richard Jon Chevrette

发明人： Richard Jon Chevrette

IPC分类号： F16J15/447 ,  F16J15/00

CPC分类号： F16J15/442 ,  F16J15/445

摘要： Disclosed is a variable clearance packing ring arrangement including a packing ring, wherein the packing ring includes a sealing face. The variable clearance packing ring arrangement also includes an actuating arrangement internal to the packing ring.

摘要翻译： 公开了一种包括填料环的可变间隙填料环装置，其中填料环包括密封面。 可变间隙密封圈布置还包括在包装环内部的致动装置。

公开(公告)号：US6022027A

公开(公告)日：2000-02-08

申请号：US993367

申请日：1997-12-18

申请人： Richard Jon Chevrette ,  David Robert Skinner ,  Victor John Knorowski

发明人： Richard Jon Chevrette ,  David Robert Skinner ,  Victor John Knorowski

IPC分类号： F16J15/44 ,  F16J15/447

CPC分类号： F16J15/442

摘要： A rotary machine has a stationary component with circumferential grooves and a rotatable component, as well as annular sealing segments movable toward and away from the rotating component. To prevent circumferential displacement of the lower side annular segments by gravity forces and enable the lowermost segment in the lower housing to be moved radially inwardly, the side segments of the lower housing are supported adjacent the casing midline in a manner preventing downward movement and enabling radial inward and outward movement. Generally Z-shaped clips are disposed in the dovetail groove of the stationary component with the tab at the upper end of the clip engaging a stop on the stationary component and the radially inwardly directed tab on the lower end of the clip engaging in a recess of the segment. Consequently, the segment, upon radial inward movement, pivots the clip about an axis adjacent the casing midline, enabling radial inward and outward movement and preventing circumferential displacement.

摘要翻译： 旋转机具有具有周向凹槽和可旋转部件的固定部件以及朝向和远离旋转部件移动的环形密封部分。 为了防止下侧环形段由重力引起的周向位移，并使得下壳体中的最下段可径向向内移动，下壳体的侧段以防止向下移动的方式支撑在壳体中线附近，并使得径向 向内和向外运动。 通常，Z形夹子设置在固定部件的燕尾槽中，夹子的上端处的突片接合固定部件上的止动件，并且夹子的下端上的径向向内指向的接头接合在 该段。 因此，当径向向内移动时，该片段围绕邻近壳体中线的轴线枢转，使得能够径向向内和向外运动并防止周向位移。

公开(公告)号：US5709388A

公开(公告)日：1998-01-20

申请号：US721655

申请日：1996-09-27

申请人： David Robert Skinner ,  Victor John Knorowski ,  Martin Francis O'Connor ,  Richard Jon Chevrette ,  Thomas William Swart

发明人： David Robert Skinner ,  Victor John Knorowski ,  Martin Francis O'Connor ,  Richard Jon Chevrette ,  Thomas William Swart

IPC分类号： F16J15/447 ,  F01D11/02 ,  F01D25/24 ,  F16J15/44

CPC分类号： F01D11/025 ,  F01D25/246 ,  F16J15/442

摘要： A rotary machine has a stationary component with circumferential grooves and a rotatable component, as well as annular sealing segments movable toward and away from the rotating component. To prevent circumferential displacement of the lower side annular segments by gravity forces and enable the lowermost segment in the lower housing to be moved radially inwardly, the side segments of the lower housing are supported adjacent the casing midline in a manner preventing downward movement and enabling horizontal movement. Consequently, the gap between the lower ends of the side segments and the lower segment in the open position of the segments remains, enabling the lower segment to move radially inwardly upon closing the seals.

摘要翻译： 旋转机具有具有周向凹槽和可旋转部件的固定部件以及朝向和远离旋转部件移动的环形密封部分。 为了防止下侧环形段由重力引起的周向位移，并使得下壳体中的最下段可径向向内移动，下壳体的侧段以防止向下移动的方式支撑在壳体中线附近，并使水平 运动。 因此，侧段的下端之间的间隙和段的打开位置中的下段之间的间隙保持不变，使得下部段能够在封闭密封件时径向向内移动。

公开(公告)号：US08668450B2

公开(公告)日：2014-03-11

申请号：US12980624

申请日：2010-12-29

申请人： Richard Jon Chevrette

发明人： Richard Jon Chevrette

IPC分类号： F01D25/24

CPC分类号： F01D25/24 ,  F01D25/28 ,  F05D2220/31

摘要： An upper steam guide segment may be a height limiting clearance for a lift of the upper exhaust hood of a steam turbine. The upper steam guide segment for a steam turbine is made detachable from a steam guide. The upper steam guide segment is bracketed to a butterfly plate fixedly attached to an upper exhaust hood of the steam turbine. The upper steam guide segment is supported by the butterfly plate when detached from the full steam guide. During a lift of the upper exhaust hood, the steam guide segment will also be lifted with the upper exhaust hood, resulting in a lower clearance height for the lift.

摘要翻译： 上蒸汽引导段可以是用于蒸汽轮机的上排气罩的升程的高度限制间隙。 蒸汽轮机的上部蒸汽引导部分可以从蒸汽引导件拆下。 上蒸汽引导段被包围到固定地连接到蒸汽轮机的上排气罩的蝶板上。 当从全蒸汽导管分离时，上部蒸汽导向段由蝶板支撑。 在上排气罩的提升期间，蒸汽引导段也将与上排气罩一起提升，导致电梯的间隙高度较小。

公开(公告)号：US20120171031A1

公开(公告)日：2012-07-05

申请号：US12980624

申请日：2010-12-29

申请人： Richard Jon Chevrette

发明人： Richard Jon Chevrette

IPC分类号： F01D25/28 ,  F01D25/24

CPC分类号： F01D25/24 ,  F01D25/28 ,  F05D2220/31

摘要： An upper steam guide segment may be a height limiting clearance for a lift of the upper exhaust hood of a steam turbine. The upper steam guide segment for a steam turbine is made detachable from a steam guide. The upper steam guide segment is bracketed to a butterfly plate fixedly attached to an upper exhaust hood of the steam turbine. The upper steam guide segment is supported by the butterfly plate when detached from the full steam guide. During a lift of the upper exhaust hood, the steam guide segment will also be lifted with the upper exhaust hood, resulting in a lower clearance height for the lift.

摘要翻译： 上蒸汽引导段可以是用于蒸汽轮机的上排气罩的升程的高度限制间隙。 蒸汽轮机的上部蒸汽引导部分可以从蒸汽引导件拆下。 上蒸汽引导段被包围到固定地连接到蒸汽轮机的上排气罩的蝶板上。 当从全蒸汽导管分离时，上部蒸汽导向段由蝶板支撑。 在上排气罩的提升期间，蒸汽引导段也将与上排气罩一起提升，导致电梯的间隙高度较小。

公开(公告)号：US20120163961A1

公开(公告)日：2012-06-28

申请号：US12979706

申请日：2010-12-28

申请人： Richard Jon Chevrette

发明人： Richard Jon Chevrette

IPC分类号： F04D29/40

CPC分类号： F01D25/30 ,  F01D11/02 ,  F01D25/243 ,  F05D2220/31

摘要： A flexible housing is arranged along an axial centerline of a rotor shaft of a steam turbine. The flexible housing extends between an exhaust hood endcover and a seal end packing housing on a separate supporting standard. The flexible housing includes a top cover portion and a bottom cover portion with a flanged horizontal joint that permits removal and replacement without need to remove the exhaust hood cover and the rotor shaft. The flexible housing encloses the rotor shaft with a first cylindrical element and a second cylindrical element of a different radius joined with an thin member that flexes to absorb expansion and contraction of the turbine exhaust hood.

摘要翻译： 柔性壳体沿着蒸汽轮机的转子轴的轴向中心线布置。 柔性壳体在单独的支撑标准之间在排气罩端盖和密封端部包装壳体之间延伸。 柔性壳体包括顶盖部分和具有法兰水平接头的底盖部分，其允许移除和更换，而不需要移除排气罩盖和转子轴。 柔性壳体包围具有第一圆柱形元件的转子轴和与弯曲以吸收涡轮机排气罩的膨胀和收缩的薄构件连接的不同半径的第二圆柱形元件。

公开(公告)号：US6065754A

公开(公告)日：2000-05-23

申请号：US60902

申请日：1998-04-15

申请人： Robert Harold Cromer ,  Norman Arnold Turnquist ,  Stephen H. Nielsen ,  Richard Jon Chevrette

发明人： Robert Harold Cromer ,  Norman Arnold Turnquist ,  Stephen H. Nielsen ,  Richard Jon Chevrette

IPC分类号： F16J15/453 ,  F01D11/02 ,  F01D11/18 ,  F16J15/44 ,  F16J15/447

CPC分类号： F01D11/025 ,  F01D11/18 ,  F16J15/442 ,  Y10S277/931

摘要： A variable clearance packing ring includes a plurality of circumferentially extending segments disposed in a generally dovetail-shaped slot in the stationary component of a machine having a rotor rotatable about an axis, the packing ring including an arcuate seal face in opposition to the rotor and axially extending flanges within the dovetail slot. Pins project axially from opposite sides of the stationary component for location between the flanges and sealing faces of the segments. A centering ring is mounted on the pins for each segment and has a coefficient of thermal expansion greater than the coefficient of thermal expansion of the segment. The centering rings engage the flanges of the segments at a first location, maintaining the segment seal face in a first clearance position relative to the rotor and engage the flanges at a second location in response to relative thermal expansion of the segment and the centering rings, enabling the segment to be displaced radially inwardly under the bias of a spring to locate the seal face in a second clearance position about the rotor radially inwardly of the first clearance position.

摘要翻译： 可变间隙填料环包括多个周向延伸的段，其设置在机器的固定部件中的大致燕尾形槽中，该机构具有可围绕轴线旋转的转子，该密封环包括与转子相对的弓形密封面， 在燕尾槽内延伸法兰。 引脚从固定部件的相对侧轴向突出，用于位于凸缘和段的密封面之间。 定心环安装在每个段的销上，并且具有大于段的热膨胀系数的热膨胀系数。 定心环在第一位置处接合节段的凸缘，将节段密封面保持在相对于转子的第一间隙位置，并响应于段和定心环的相对热膨胀而在第二位置接合凸缘， 使得所述段在弹簧的偏压下能够径向向内移动，以将密封面定位在围绕第一间隙位置的径向向内的转子的第二间隙位置。