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| Application No. | Application Title | Issue Date |
| 20130129483 | CRACK AND DELAMINATION STOPPERS FOR AIRCRAFT PROPULSION SYSTEM COMPONENTS An inner fixed structure of a thrust reverser includes an inner skin, an outer skin, a cellular core disposed between the inner skin and the outer skin, and at least one crack and delamination stopper extending radially between the inner skin and the outer skin.... | 05/23/2013 |
| 20130115052 | DIFFUSER BLOCK AND DIFFUSER COMPRISING SAID DIFFUSER BLOCKS COMBINED WITH ONE ANOTHER Provided is a diffuser block used to form a diffuser with a plurality of the diffuser blocks, the diffuser block including: a body having a tube shape including an inner space provided inside the body, an inlet through which a fluid flows into the inner space and an out... | 05/09/2013 |
| 20130115051 | GAS TURBINE EXHAUST CASE WITH ACOUSTIC PANELS A turbine exhaust case for a gas turbine engine has an outer shroud and an inner shroud concentrically defining therebetween an annular gaspath for channelling hot gases. A plurality of circumferentially spaced-apart turbine exhaust struts extends radially across the ho... | 05/09/2013 |
| 20130101395 | TURBINE BLADE RAIL DAMPER A device for damping of vibratory energy in the blades of rotor assemblies during operation where the blades have a shroud attached thereto with at least one sealing rail extending radially outward from the shroud to an outer diameter surface. A damper element is attach... | 04/25/2013 |
| 20130101396 | FAN ASSEMBLY A fan assembly includes a fan and a casing receiving the fan. The casing is formed by one-step injection molding and includes a base portion, a cover portion, a connection portion, and a plurality of anti-vibration members. The connection portion is formed by thermal-pr... | 04/25/2013 |
| 20130094941 | VARIABLE-CAPACITY COMPRESSOR Variable displacement compressor is provided with a displacement control valve (2) that can change an opening degree of supplying passage (44, 46) between a valve seat (VS) and a valve body (VB), thereby changing the pressure in a crank chamber (9).... | 04/18/2013 |
| 20130071231 | WALL STRUCTURE WITH NOISE DAMPING INSULATION PROPERTIES AND GAS TURBINE WITH SUCH A WALL STRUCTURE A wall structure is provided with noise damping insulation properties, for an air intake manifold of a gas turbine. The wall structure includes a first structure for mechanically supporting an outer sheet, which separates the spaces on both sides of the wall in an airti... | 03/21/2013 |
| 20130064643 | Tank Dampening Device A compressor assembly that has a compressed air tank having a vibration absorption member. The vibration absorption member can exert a pressure on a portion of the compressed air tank. A method of controlling sound emitted from a compressor assembly, by using a vibratio... | 03/14/2013 |
| 20130051982 | ANNULAR BEARING SUPPORT DAMPERS, GAS TURBINE ENGINES INCLUDING THE SAME, AND METHODS FOR THE MANUFACTURE THEREOF Embodiments of a gas turbine engine are provided, as are embodiments of an annular bearing support damper and embodiments of a method for manufacturing an annular bearing support damper. In one embodiment, the gas turbine engine includes engine housing and a rotor assem... | 02/28/2013 |
| 20130051981 | GAS TURBINE ENGINES INCLUDING BROADBAND DAMPING SYSTEMS AND METHODS FOR PRODUCING THE SAME Gas turbine engine, broadband damping systems, and methods for producing broadband-damped gas turbine engine are provided. In one embodiment, the gas turbine engine includes an engine case, a rotor assembly mounted within the engine case for rotation about a rotational ... | 02/28/2013 |
| 20130045085 | Motor suspension for fans, preferably axial-flow fans, as well as method for manufacturing an air grille of such a motor suspension A motor suspension for fans has an air grille with radially extending braces and grille rings that are positioned coaxially to each other and are connected to each other by the radially extending braces. For adapting the motor suspension to a vibration behavior of a fan... | 02/21/2013 |
| 20130045084 | LOW-NOISE BLADELESS FAN A low-noise bladeless fan includes a base, a nozzle at the top of the base and noise-reduction components located within the base. The noise-reduction components include a first noise-reduction component, a second noise-reduction component and a third noise-reduction co... | 02/21/2013 |
| 20130028709 | FAN MODULE A fan module includes a cooling fan, a supporting rack, and a number of fasteners sandwiched between the cooling fan and the supporting rack. The fasteners are made of vibration-resistant material. The supporting rack includes two opposite supporting walls. An installin... | 01/31/2013 |
| 20130028710 | COMPACT LOW NOISE EFFICIENT BLOWER FOR CPAP DEVICES A blower includes an electric motor having a shaft, a housing having an inlet and outlet between which is defined a gas flow path, the outlet structured to direct gas exiting the blower in an axial first direction, a first impeller attached to the shaft and adapted to a... | 01/31/2013 |
| 20130011239 | TUBULAR INLINE EXHAUST FAN ASSEMBLY An improved exhaust fan housing, and exhaust fan assembly so characterized, is generally provided. The exhaust fan housing includes a first cylindrical or conical element, a second cylindrical element interior of the first cylindrical element, and a plurality of hollow ... | 01/10/2013 |
| 20130004292 | CONTROL STRATEGY FOR DECREASING RESONANCE IN A TURBOCHARGER A method for operation of an engine including a turbocharger system is provided. The method includes adjusting turbocharger rotational acceleration or deceleration in response to one or more resonant frequencies. Additionally in some examples, the method may further inc... | 01/03/2013 |
| 20120328415 | VIBRATION DAMPER COMPRISING A PEG BETWEEN OUTER PLATFORMS OF ADJACENT COMPOSITE-MATERIAL BLADES OF A TURBINE ENGINE ROTOR WHEEL A vibration damper between outer platforms of adjacent composite-material blades of a turbine engine rotor wheel, the damper including a peg having a substantially spherical portion at each of its two ends, and two hollow inserts for being received in tangential cavitie... | 12/27/2012 |
| 20120321443 | TIP TREATMENT FOR A ROTOR CASING A tip treatment bar and associated rotor casing structure, wherein the tip treatment bar includes a solid composite structure having a plurality of layers arranged therein so as to provide the bar with a directional stiffness characteristic. Such a layered composite arr... | 12/20/2012 |
| 20120308361 | CENTRIFUGAL ELECTRIC PUMP FOR SUCTION OF AERIFORM FLUIDS WITH SILENCING DEVICE A centrifugal electric pump for suction of aeriform fluids includes an electric motor equipped with a shaft; a cylindrical suction box provided with an inlet for the aeriform fluid, one or more outlet openings arranged on the lateral wall thereof and with a closing cove... | 12/06/2012 |
| 20120301267 | CONDUCTING UNIT, AND CONDUCTING METHODS The invention relates to a delivering unit for gas, comprising a compressor (101) in a noise-insulation housing (20, 40), which comprises an inlet opening (27, 66) and a blow-out opening (24, 69, 70). An inlet tube (96) can pneumatical... | 11/29/2012 |
| 20120301277 | FAN A fan includes a housing, an impeller and at least one position-limiting mechanism. The housing has an accommodating space for receiving the impeller. The impeller has a hub and a plurality of blades surrounding the hub. The position-limiting mechanism is located betwee... | 11/29/2012 |
| 20120282082 | Gas-turbine balancing device The present invention relates to a gas-turbine balancing device with at least one annular groove provided on the outer circumference of at least one intermediate or high-pressure rotor of an intermediate or high-pressure compressor, with at least one balancing element b... | 11/08/2012 |
| 20120275902 | MODULAR FAN HOUSING WITH MULTIPLE MODULAR UNITS HAVING SOUND ATTENUATION FOR A FAN ARRAY FOR AN AIR-HANDLING SYSTEM A modular fan housing configured to hold an array of motors and fans is provided. The modular fan housing is configured for use in an air-handling system that delivers air to a ventilation system for at least a portion of a building. The fan housing comprises a pluralit... | 11/01/2012 |
| 20120275901 | FAN ASSEMBLY FOR VEHICLES A fan assembly comprising, a shroud having a through opening, around which the shroud defines an air conveying ring, a motor-fan assembly which includes an axial fan rotatable with respect to the support about an axis of rotation, and a noise-reducing annular structure,... | 11/01/2012 |
| 20120219398 | METHOD OF DETECTING AND CONTROLLING STALL IN AN AXIAL FAN A method of detecting stall in an axial fan through acoustical measurements in air the air flow, includes measuring the sound emanating from the flow adjacent the fan, preparing a visual representation of the sound, comparing the visual representation with a library of ... | 08/30/2012 |
| 20120201663 | TURBOMACHINE FLOW PATH HAVING CIRCUMFERENTIALLY VARYING OUTER PERIPHERY A turbomachine includes an annular flow path section between a plurality of radially extending stator blades and a plurality of radially extending rotor blades. At least a portion of the flow path section has a circumferentially varying outer periphery.... | 08/09/2012 |
| 20120195738 | SHOCKPROOF FAN APPARATUS A fan apparatus includes a fan, a shockproof unit, and a case. The fan includes two plates, and a through hole is defined on each plate. The shockproof unit includes a pole penetrating the two though holes, and at least a flange is defined on the pole; at least an elast... | 08/02/2012 |
| 20120195739 | ATTENUATION OF OPEN ROTOR NOISE An aeronautical propulsor has a core engine, one or more open rotors driven by the engine, and a nacelle which encloses the core engine and provides an aerodynamic external surface. At least a portion of the external surface of the nacelle is acoustically treated to att... | 08/02/2012 |
| 20120189429 | BEARING SYSTEM FOR GAS TURBINE ENGINE A bearing system for a gas turbine engine includes a spring defined about an axis of rotation. The spring has a multiple of beams which extend between a flange structure and an attachment structure. A damper defined about the axis of rotation and mounted to the spring t... | 07/26/2012 |
| 20120156006 | ACOUSTIC LINER An acoustic liner for a gas turbine engine comprises a folded cavity with an opening and a resistive facing sheet covering the opening, characterised in that the folded cavity further comprises a resistive septum that increases attenuation at high frequencies. The prese... | 06/21/2012 |
| 20120148384 | PUMP HAVING AN AXIAL BALANCING DEVICE The pump comprises a stator (112) and a rotor comprising a impeller in which a fluid duct (114) passes. An axial balancing device arranged on this wheel (111) comprises a rear balancing chamber (118) and a passage (120) arranged betwee... | 06/14/2012 |
| 20120141248 | ACTIVE FAN FLUTTER CONTROL A flutter control system for a turbomachine fan includes a plurality of fan case sensors located at a fan case of the turbomachine and configured to sense passing of blade tips of a fan of the turbomachine. A controller is operably connected to the plurality of fan case... | 06/07/2012 |
| 20120121384 | ROTOR AND METHOD FOR MANUFACTURING A ROTOR FOR A TURBO MACHINE The invention relates to a rotor for a turbo machine, having rotating blades (12), which are joined to a basic rotor body (14), whereby a damping element (24) for damping blade vibrations is provided between blade platforms (10) of at least t... | 05/17/2012 |
| 20120114461 | FAN MODULE AND VIBRATION-DAMPING MOUNTING THEREFOR A fan module with vibration-damping mounting includes a cooling fan, a support frame and a clip detachably fixing the cooling fan to the support frame. The clip includes a mounting portion fixed to the support frame, fixing portions supporting the cooling fan, and vibra... | 05/10/2012 |
| 20120107096 | AIR EXCHANGE FAN AND CIRCUIT BOARD BOX THEREFOR An air exchange fan comprises: a frame with an opening, a helicoid housing with an air suction inlet disposed in the frame, an air blower disposed in the housing, and, an elongated circuit board box mounted at the air suction inlet side of the housing; a silencing plate... | 05/03/2012 |
| 20120107095 | GAS TURBINE ENGINE TRIM BALANCE A trim balance for a gas turbine engine having a hollow rotatable rotor shaft includes an elongate support rod adapted for longitudinal accommodation within and mounting on an interior surface of the rotor shaft and one or more apertured balance weights supported on the... | 05/03/2012 |
| 20120099962 | Rotor For Turbomachines A rotor for turbomachines having a plurality of blades, and wherein a damping member, housed inside a respective chamber arranged between the two blades of each pair of adjacent blades of said rotor, is pushed, in use, by the centrifugal force against two surfaces, each... | 04/26/2012 |
| 20120070270 | DAMPED ASSEMBLY A damped assembly 10 within a gas turbine, comprising a first member 12 and a second member 14 mechanically connected via an intermediate vibration dampener 18 which has at least first 20 and second 22 surfaces for contacting th... | 03/22/2012 |
| 20120063886 | Anti-Vibration Fan The fan of the invention includes a frame and a vibration absorber. The frame has a fixing recess at a corner thereof. The vibration absorber has an elastic body fastened in the fixing recess and a pin with a circular trough. A portion of the elastic body protrudes from... | 03/15/2012 |
| 20120063880 | ROTOR ASSEMBLY A rotor assembly is disclosed herein. The rotor assembly includes a hub disposed for rotation about an axis of rotation. The rotor assembly also includes at least one blade fixed with the hub for concurrent rotation with the hub. The at least one blade extends along a h... | 03/15/2012 |