Patent application number | Description | Published |
20090317238 | COMBINED ACOUSTIC ABSORBER AND HEAT EXCHANGING OUTLET GUIDE VANES - An outlet guide vane assembly for turbomachines is provided. The outlet guide vane assembly comprises one or more outlet guide vanes, wherein each of the one or more outlet guide vanes comprises a first surface and a second surface, and wherein the one or more outlet guide vanes are disposed between an inner wall and an outer wall of an engine and a surface cooler layer disposed on at least a portion of the first surface, the second surface, or both of the one or more outlet guide vanes, wherein the surface cooler layer comprises a metal foam, a carbon foam, or a combination thereof, wherein the metal foam, the carbon foam or the combination thereof is configured to augment heat transfer and enhance acoustic absorption. | 12-24-2009 |
20100071342 | INTEGRATED GAS TURBINE EXHAUST DIFFUSER AND HEAT RECOVERY STEAM GENERATION SYSTEM - Systems and methods for integrating heat exchanger elements of HRSG systems with gas turbine exhaust diffusers are provided in the disclosed embodiments. The systems and methods may include integrating heat exchanger elements, such as steam pipes, with various components of an exhaust diffuser. For example, the heat exchanger elements may be integrated with inlet turning vanes, exhaust frame struts, exit guide vanes, associated support structures, and other components of the exhaust diffuser. In addition, the heat exchanger elements may be integrated with multiple components of a single exhaust diffuser. Moreover, the heat exchanger elements may be integrated with the components of the exhaust diffuser within an airfoil, which may encompass both the heat exchanger elements and the individual component of the exhaust diffuser. The use of airfoils may help ensure certain aerodynamic properties of the heated exhaust gas flowing across the exhaust diffuser components. | 03-25-2010 |
20100155016 | COMBINED SURFACE COOLER AND ACOUSTIC ABSORBER FOR TURBOMACHINES - A surface cooler for turbomachines is provided. The surface cooler comprises an inner layer and an outer layer disposed adjacent to the inner layer and comprising a metal foam, a carbon foam, or a combination thereof, wherein the metal foam, the carbon foam or a combination thereof is configured to augment heat transfer and enhance acoustic absorption. Further, the outer layer comprises a plurality of fins, wherein the plurality of fins is configured to augment heat transfer and enhance acoustic absorption, and wherein the plurality of fins comprises metal foam, a carbon foam, or a combination thereof. | 06-24-2010 |
20110142638 | WIND TURBINE ROTOR BLADE WITH ACTUATABLE AIRFOIL PASSAGES - A wind turbine rotor blade includes a pressure side and a suction side. At least one airfoil passage is defined through the blade between the pressure side and suction side. A respective cover is configured over the airfoil passage at each of the pressure and suction sides. The covers are actuatable between a closed position wherein the cover is flush with the respective pressure or suction side and an open position wherein the cover moves to open the airfoil passage. | 06-16-2011 |
20110142676 | ROTOR BLADE ASSEMBLY HAVING AN AUXILIARY BLADE - A rotor blade assembly for a wind turbine is disclosed. The rotor blade assembly may generally include a primary rotor blade and an auxiliary rotor blade disposed on a suction side of the primary rotor blade. The auxiliary blade may generally include an upstream edge and a downstream edge, with the upstream edge being positioned downstream of a leading edge of the primary rotor blade. | 06-16-2011 |
20110232291 | SYSTEM AND METHOD FOR AN EXHAUST DIFFUSER - An exhaust diffuser includes a shroud and a wall radially separated from the shroud to define a fluid passage between the shroud and the wall. A strut extends between the shroud and the wall, and the strut includes a first surface having an adjustable camber. A method for adjusting air flow across a strut having a first side camber and a second side camber includes determining an incidence angle between the air flow and the strut and adjusting the first side camber of the strut. | 09-29-2011 |
20120141278 | ROTOR BLADE ASSEMBLY AND METHOD FOR MODIFYING LOAD CHARACTERISTIC OF ROTOR BLADE IN WIND TURBINE - A rotor blade assembly for a wind turbine and a method for modifying a load characteristic of a rotor blade in a wind turbine are disclosed. The rotor blade assembly includes a rotor blade having surfaces defining a pressure side, a suction side, a leading edge, and a trailing edge extending between a tip and a root. The rotor blade further defines a span and a chord. The rotor blade includes a body defining at least a portion of the pressure side, the suction side, and the trailing edge, and a nose feature movable with respect to the body. The rotor blade assembly further includes a controller operable to move the nose feature. | 06-07-2012 |
20120141281 | WIND TURBINE ROTOR BLADE ASSEMBLY WITH ROOT CURTAIN - A wind turbine rotor blade assembly includes a rotor blade having a pressure side, a suction side, a leading edge, and a trailing edge extending in a generally span-wise direction between a tip and a root. An edge extension is attached along either or both of the leading edge or trailing edge in a generally span-wise direction from adjacent the root towards the blade tip, with the edge extension having a contoured outer surface that defines a generally continuous aerodynamic surface. The edge extension has a terminal end that is spaced from root. A curtain is attached to the edge extension and extends in a span-wise direction from the terminal end t to the root. The curtain is formed from a pliant, flexible material that accommodates connection of the root to a rotor hub, as well as pitch movement of the rotor blade relative to the hub. | 06-07-2012 |
20130180246 | DIFFUSER FOR A GAS TURBINE - A diffuser for a gas turbine includes an inlet adapted for coupling to the gas turbine. The diffuser also includes at least one outlet located proximate a diffuser end, wherein the diffuser end is located downstream of the inlet. The diffuser further includes an outer wall and an inner barrel that extends substantially to the diffuser end. | 07-18-2013 |