Patent application number | Description | Published |
20090085305 | HIGH TEMPERATURE SEAL - An apparatus for sealing gas path leakage within a turbomachine is provided. The apparatus may include at least one seal system, which may include at least one sealing shim, at least one spring; and at least one shim protection material. The seal system may be inserted between a first and a second structure of the turbomachine. The seal system may adjust for misalignments between the first and the second structures of the turbomachine. | 04-02-2009 |
20100236066 | FIXTURE AND INSPECTION METHOD FOR AN ANNULAR SEAL - A fixture assembly and inspection method by which the internal diameter and/or concentricity of a segmented annular seal can be readily inspected and optionally measured prior to final installation. The fixture assembly has at least two fixture segments supported on a base, by which an annular fixture housing is defined having an outer rim and a groove with a cross-sectional shape corresponding to a cross-sectional shape of the annular seal. The fixture assembly further includes a device or apparatus for assessing at least one dimensional characteristic of the annular seal when installed in the groove of the fixture housing and as the assessing device/apparatus travels along the interior circumference of the fixture housing. | 09-23-2010 |
20110304104 | SPRING LOADED SEAL ASSEMBLY FOR TURBINES - A spring loaded seal assembly is disclosed for sealing a gap between adjacent turbine components. The seal assembly may generally include a turbine seal and a spring member. The turbine seal may extend between the adjacent turbine components and may be configured to seal the gap defined between the turbine components. The spring member may be configured to engage the turbine seal so as to maintain the seal in sealing engagement with the adjacent turbine components. | 12-15-2011 |
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 |
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 |
20120288361 | ROTATING BRUSH SEAL - A brush seal for use between a rotating component and a stationary component in a turbomachine is disclosed. The brush seal according to embodiments of this invention includes a set of bristles having a fixed end and a free end, wherein the fixed end is attached to the rotating component with a mechanical clamping element and the free end extends towards the stationary component, and wherein the set of bristles are angled axially at an axial angle with respect to the rotating component. In one embodiment, the fixed end of the set of bristles are wrapped at least partially around a core element and the clamping element partially surrounds the core element and the fixed end of the set of bristles, wherein the clamping element secures the fixed end of the set of bristles within a circumferential groove in the rotating component. | 11-15-2012 |
20130058765 | ROTARY MACHINE SEAL ASSEMBLY WITH BUTT GAP SEAL ELEMENTS - Systems and devices for substantially fluidly isolating portions of a rotary machine are disclosed. In one embodiment, a seal assembly for a rotary machine includes: a complementary set of seal segments configured relative one another so as to form a substantially continuous body with butt gaps between the seal segments, the segments including: a head flange; and an axial neck connected to the head flange, wherein the axial neck extends radially inboard and includes an axial slot formed substantially there through; and at least one butt gap seal element, wherein the at least one butt gap seal element includes an axial flange and a radial flange, the axial flange disposed within the axial slots of adjacent seal segments; and the radial flange extending radially inboard from the axial slots to a proximity of the rotary machine substantially forming a barrier to axial flow through the butt gap. | 03-07-2013 |
20130068755 | THERMAL MANAGEMENT DEVICE - A thermal management device is presently disclosed. The thermal management device includes an insulator with a maximum use temperature of at least 200 degrees Celsius, and a heating element having at least one heater leg, where the heater leg contacts the insulator and is configured to supply thermal energy. The heating element also has lead wires configured to provide a parallel electrical connection between the heater leg and a current source. | 03-21-2013 |
20130071716 | THERMAL MANAGEMENT DEVICE - A thermal management device is presently disclosed. The device includes a plurality of insulator panels with a maximum use temperature of at least 500 degrees Celsius, and a heating element having at least two heater legs electrically connected in parallel, each heater leg contacting at least one of the insulator panels, and lead wires configured to provide a parallel electrical connection between the heater legs and a current source. Also disclosed is a thermal management device having an insulator and a heating element, where each of the electrically parallel heater legs is configured to provide substantially uniform heat flux over at least one surface of the device. Also disclosed is an energy storage device that includes a plurality of energy storage cells, and a thermal management device configured to supply thermal energy to the cells. | 03-21-2013 |
20130181413 | SPRING LOADED SEAL ASSEMBLY FOR TURBINES - A spring loaded seal assembly is disclosed for sealing a gap between adjacent turbine components. The seal assembly may generally include a turbine seal and a spring member. The turbine seal may extend between the adjacent turbine components and may be configured to seal the gap defined between the turbine components. The spring member may be configured to engage the turbine seal so as to maintain the seal in sealing engagement with the adjacent turbine components. | 07-18-2013 |
20130256990 | TURBINE ASSEMBLY AND METHOD FOR ASSEMBLING A TURBINE - According to one aspect of the invention, a turbine assembly includes a first stationary component, a second stationary component positioned radially outside the first stationary component, a first key feature on the first stationary component configured to mate to a second key feature on the second stationary component and a seal assembly positioned between the first and second key features to reduce fluid flow between the first and second key features. The seal assembly includes a V-shape member and a second member adjacent to the V-shape member, the second member and V-shape member having different rates of thermal expansion. The seal assembly also includes a latch feature coupled to the V-shape member configured to expand the seal assembly from a compressed state to an expanded sealing state when the seal assembly is subject to an elevated temperature. | 10-03-2013 |