Patent application number | Description | Published |
20120085103 | SHIM FOR SEALING TRANSITION PIECES - According to one aspect of the invention, a shim for sealing two adjacent turbine transition pieces is disclosed. The shim includes a circumferential member that includes a first lateral flange and a second lateral flange. Further, the first and second lateral flanges each comprise a tab configured to mate to a first surface plane and the first and second lateral flanges are configured to mate to a second surface plane, wherein the first and second surface planes are substantially parallel. In addition, the shim includes a first flange extending substantially perpendicular from the circumferential member. | 04-12-2012 |
20120119447 | Transition Piece Sealing Assembly - The present application provides a seating assembly for use with a transition piece and a stage one nozzle of a gas turbine engine. The seating assembly may include a support member positioned between the transition piece and the stage one nozzle and a primary spring element positioned on the support member and in contact with the stage one nozzle. The primary spring element may include a single bend therein. | 05-17-2012 |
20120119449 | Transition Piece Sealing Assembly With Seal Overlay - The present application provides a sealing assembly for use with a transition piece and a stage one nozzle of a gas turbine engine. The sealing assembly may include a seal element, an overlay piece positioned on the seal element, and a side seal positioned on the overlay piece. | 05-17-2012 |
20120133102 | CLOTH SEAL FOR TURBO-MACHINERY - The present invention provides a cloth seal for use with turbine components. The cloth seal may include a number of cloth layers, a shim positioned between the cloth layers, and an end seal positioned at an end of the cloth layers so as to block a leakage flow path through at least one of the cloth layers. | 05-31-2012 |
20120183393 | ASSEMBLY AND METHOD FOR PREVENTING FLUID FLOW - According to one aspect of the invention, an assembly to be placed between adjacent turbomachinery components is provided, where the assembly includes a first shim comprising a U-shaped cross-section geometry, wherein the first shim is configured to form a seal between adjacent components. The assembly also includes an insert placed within a recess of the U-shaped cross-section geometry of the first shim and a plurality of staggered couplings between the insert and the first shim. | 07-19-2012 |
20120195741 | AXIAL BRUSH SEAL - A brush seal assembly for turbomachinery having a rotor can include a stationary seal component, a floating seal component coupled to the stationary seal component and circumferentially angled bristles arranged in a bristle pack, disposed in the floating seal component and extended axially with respect to the rotor. | 08-02-2012 |
20130106066 | LAYERED SEAL FOR TURBOMACHINERY | 05-02-2013 |
20130134678 | SHIM SEAL ASSEMBLIES AND ASSEMBLY METHODS FOR STATIONARY COMPONENTS OF ROTARY MACHINES - A seal assembly for a rotary machine is provided. The seal assembly includes a shim seal including multiple seal plates forming a C-shaped shim seal or a box shaped shim seal. The C-shaped shim seal includes a first side portion having a smaller width than that of an opposing second side portion, and the second side portion of the C-shaped shim seal includes a gap between at least two straight faces with an inward angle for allowing positioning within the slot between stator components. The box shaped seal includes a plurality of cuts at two opposing sides or corners for allowing high pressure fluid to occupy the cavity of the box-shaped shim seal. The seal may be inserted within one or more slots between adjacent stator components of the rotary machine. | 05-30-2013 |
20130161914 | ENHANCED CLOTH SEAL - The embodiments described herein provide a cloth seal for use with turbine components. The cloth seal includes first and second cloth layers. One or more central shims are positioned between the first and second cloth layers so as to block a leakage flow path. Another shim is positioned on and seals the opposite side of the first cloth layer from the one or more central shims positioned between the first and second cloth layers so as to block another leakage flow path. Yet another sealing shim may be positioned on the opposite side of the second cloth layer from the one or more central shims positioned between the first and second cloth layers to as to seal the opposite side of the second cloth layer and block another leakage flow path. | 06-27-2013 |
20140062024 | FILM RIDING SEALS FOR ROTARY MACHINES - A seal assembly for a rotary machine is provided. The seal assembly includes multiple sealing device segments disposed circumferentially intermediate to a stationary housing and a rotor. Each of the segments includes a shoe plate with a forward-shoe section and an aft-shoe section having one or more labyrinth teeth therebetween facing the rotor. The sealing device includes a stator interface element having a groove or slot for allowing disposal of a spline seal for preventing segment leakages. The sealing device segment also includes multiple bellow springs or flexures connected to the shoe plate and to the stator interface element. Further, the sealing device segments include a secondary seal integrated with the stator interface element at one end and positioned about the multiple bellow springs or flexures and the shoe plate at the other end. | 03-06-2014 |
20140062032 | SPRING-LOADED SEAL ASSEMBLY - A seal assembly is provided. The seal assembly includes a first outer shim and a second outer shim The second outer shim is operably coupled to the first outer shim and comprises at least one substantially impermeable portion that spans across a gap between at least two turbomachine components. The second outer shim further engages the at least two turbomachine components to substantially seal the gap. The substantially impermeable portion is substantially planar at least along a width of the seal assembly. The seal assembly further includes a resilient member that is either coupled to at least a portion of an outer surface of the first outer shim or comprises an integral portion of the first outer shim The resilient member engages the seal assembly to contact bottom surfaces of a cavity defined between the at least two turbomachine components. | 03-06-2014 |
20140154062 | SYSTEM AND METHOD FOR SEALING A GAS PATH IN A TURBINE - A seal for placement in a slot between two turbine components of a gas turbine to seal a gap between the components may include a sealing element sized so as to be capable of placement within the slot and of substantially sealing the gap during operation of the gas turbine. A sacrificial coating may be located on the sealing element. The sacrificial coating may be configured with a size substantially conforming to a size of the slot, the sacrificial coating including a material that is removable from the sealing element via heating to a temperature achieved during operation of the gas turbine. Related gas turbine assemblies and methods of assembly are also disclosed. | 06-05-2014 |
20140348642 | CONJOINED GAS TURBINE INTERFACE SEAL - A device including a conjoined laminate interface seal shaped for reducing inter-seal gap (e.g., an angled gap, an āLā-shaped gap, etc.) leakage in gas turbines is disclosed. In one embodiment, a seal device for a gas turbine includes: a first flange shaped to be disposed within a first slot of a first arcuate component and a first adjacent slot of a second arcuate component; a conjoined layer connected to a first surface of the first flange, the first surface configured to face a working fluid flow of the gas turbine; and a second flange shaped to be disposed within a second slot of the first arcuate component and a second adjacent slot of the second arcuate component, the second flange including a second surface connected to the conjoined layer. | 11-27-2014 |