Quotables
"There is practically no chance communications space satellites will be used to provide better telephone, telegraph, television, or radio service inside the United States."
T. Craven, FCC Commissioner ; 1961
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7413405 | Bipedal damper turbine blade A turbine blade includes an airfoil, platform, and dovetail. The airfoil includes a plurality of flow channels being separated by partitions. A primary partition includes an inner saddle. And, a bipedal damper includes a pair of legs extending into the flow channels... | 08/19/2008 |
| 7399158 | Blade arrangement A blade arrangement 31 includes an array of radially extending blades 20, which may for example comprise a fan of a gas turbine engine for an aircraft. The blades 20 are mounted for rotation about a central axis X-X. The blade arrangement 31 | 07/15/2008 |
| 7374400 | Turbine blade arrangement A turbine blade arrangement comprises turbine blades which are secured in adjacent positions to a rotor disc with a cavity defined between root segments and platform segments. A flow deflector within the cavity is provided as an insert such that through a recessed p... | 05/20/2008 |
| 7371042 | Method and apparatus for balancing gas turbine engines A method, system, and balanced rotating assembly are provided for field balancing an assembly including a power turbine. The method, system and assembly includes coupling the power turbine to a load, identifying a first balancing plane that is aft of the power turbi... | 05/13/2008 |
| 7367123 | Coated bucket damper pin and related method A damper pin for a turbine bucket includes an elongated main body portion of substantially uniform cross-sectional shape having opposite ends, one only of said opposite ends coated with a corrosion and oxidation-resistant coating. ... | 05/06/2008 |
| 7360997 | Vibration damper coating A coated fan rotor blade and method for coating a fan rotor blade. The coated fan rotor blade includes a fan rotor blade; and a coating disposed on said fan rotor blade. The coating comprises a binder; and a filler made up of a plurality of particles. The filler mat... | 04/22/2008 |
| 7360996 | Wind blade assembly and method for damping load or strain The transducers are incorporated in or laminated to wind blades and electrically connected to a self-powered electrical circuit. The transducers in combination with the self-powered electrical circuit improve the wind blades' response to changing wind conditions by ... | 04/22/2008 |
| 7360994 | Method of controlling vibration damping in a helicopter, and apparatus implementing the method The present invention relates to a method of controlling a drag damper for a helicopter blade under all operating configurations of the helicopter, the method consisting in: a) measuring the elongation of the damper; | 04/22/2008 |
| 7347672 | Rotor disk balancing device, disk fitted with such a device and rotor with such a disk A rotor disc includes a rim and a balancing device, which includes housings formed in the rim, and balancing masses housed in at least some of the housings. ... | 03/25/2008 |
| 7347664 | High-temperature component for a turbomachine, and a turbomachine The invention provides a high-temperature component for a turbomachine, in particular for a blade or vane having a main blade or vane part and a blade or vane root, the high-temperature component at least partially comprising, as base material, a porous material whi... | 03/25/2008 |
| 7329102 | Blade With regard to hollow blades for turbine engines, it will be understood there is a problem with respect to percussive impact resulting in excessive distortion of the blade as well as potential failure as a result of blade tip bulging. By provision of ridges 107, ... | 02/12/2008 |
| 7322797 | Damper cooled turbine blade A turbine blade includes an airfoil, platform, shank, and dovetail integrally joined together. A cooling chamber is located under the platform and has a portal exposed outwardly from the shank. A damper seat surrounds the portal and is recessed under the platform fo... | 01/29/2008 |
| 7311500 | Turbomachine blade A turbomachine blade comprising a root portion and an aerofoil portion, the aerofoil portion having a leading edge, a trailing edge, a concave metal wall portion extending from the leading edge to the trailing edge and a convex metal wall portion extending from the ... | 12/25/2007 |
| 7309211 | Balancing method A method of balancing a rotor, where the rotor comprises a plurality of holes, comprises the steps of measuring an imbalance of the rotor, identifying at least one characteristic dimension associated with at least one hole, identifying a change to the or each charac... | 12/18/2007 |
| 7300244 | Cooling fan noise reduction apparatus, systems, and methods Apparatus, systems, and methods may operate to distribute acoustic spectral energy associated with a primary blade-passing frequency tonal component of fan noise and with harmonics thereof. The energy may be spectrally distributed by irregularly spacing a plurality ... | 11/27/2007 |
| 7281896 | Fan and impeller thereof An impeller includes a hub and at least one blade. In this case, the hub has at least one balancing portion disposed on hub and arranged with respect to a center of the hub. The balancing portion has at least one corner. The blades are disposed around the hub. In ad... | 10/16/2007 |
| 7281899 | Quick assembly blades for ceiling fans Easy to attach and detach blades for overhead ceiling fans. A first version has a ceiling fan blade with keyhole slots that fit over flat topped fasteners on a mounting arm. Pulling the blade away from the arm locks the slots to the fasteners. A second version is si... | 10/16/2007 |
| 7278830 | Composite filled gas turbine engine blade with gas film damper A gas turbine engine blade comprises a housing, a composite core located within the housing, and a gas damper located within the housing for damping vibration of the blade. ... | 10/09/2007 |
| 7270517 | Turbine blade with vibration damper A blade assembly (10) for a turbine (16) including a vibration damper (12) having a mounting base (38) sealingly disposed at an inlet end (24) of a cooling fluid passageway (22) within the root section (20) of the bla... | 09/18/2007 |
| 7252477 | Rotating blade body A rotating blade body is provided that can restrain vibrations of rotating blades effectively. The rotating blade body comprises a rotor disc, a plurality of rotating blades being assembled so as to extend from the outer circumference of the rotor disc in a radial p... | 08/07/2007 |
| 7252481 | Natural frequency tuning of gas turbine engine blades A tuning notch is defined preferably in the back of a blade root to tune the blade natural frequency in a gas turbine engine. ... | 08/07/2007 |
| 7234916 | Method and apparatus for balancing gas turbine engines A method and apparatus is provided for field balancing an assembly including a power turbine. The method includes coupling the power turbine to a load, identifying a first balancing plane that is aft of the power turbine, and identifying a second balancing plane tha... | 06/26/2007 |
| RE39630 | Turbine blisk rim friction finger damper A damper for reducing vibrations in an integrally bladed turbine disk is provided. The damper includes an annular member and a plurality of fingers. The annular member is configured so that it is coupled to a face of the integrally bladed turbine disk. The plurality... | 05/15/2007 |
| 7217093 | Rotor blade with a stick damper A rotor blade damper is provided that includes a body having a base, a tip, a first contact surface, a second contact surface, a trailing edge surface, and a leading edge surface. The trailing edge and the leading edge surfaces extend between the contact surfaces. T... | 05/15/2007 |
| 7198463 | Rotating blade body and rotary machine using rotating blade body Such a rotating blade body is supplied as can prevent not only local wear and deformation but also inadvertent vibration and can maintain cooling efficiency. A rotating blade body consists of a rotor disc 2 and rotating blades 1 which are assembled so ... | 04/03/2007 |
| 7175392 | Ceiling fan motor with stationary shaft A ceiling fan motor includes a motor housing having an end wall and a side wall; a stator assembly mounted within the housing; a rotor assembly mounted within the housing to rotate relative to the stator assembly; and a fan blade hub adapted to have fan blades mount... | 02/13/2007 |
| 7165944 | Compressor blade with dovetail slotted to reduce stress on the airfoil leading edge A blade of an axial compressor comprising: an airfoil is disclosed that has a leading edge and a root; a platform attached to the root of the airfoil; a dovetail attached to a side of the platform opposite to the airfoil; a neck of the dovetail adjacent the platform... | 01/23/2007 |
| 7153094 | Rotor system vibration absorber A rotor system vibration absorber for use with a helicopter of other rotorcraft is disclosed in which spring forces are provided by a plurality of elongated rods arranged in a selected pattern. The rods are coupled at one end to a fixed base that is coupled to a rot... | 12/26/2006 |
| 7147437 | Mixed tuned hybrid blade related method A steam turbine blade includes a shank portion and an airfoil portion. The airfoil portion is formed with at least one pocket filled with a polymer filler material chosen as a function of natural frequency impact on the turbine blade or as a function of the damping ... | 12/12/2006 |
| 7128536 | Damped aerofoil structure A damped airfoil structure comprises an airfoil having a first wall and a second opposing wall, and vibration damping means for damping relative movement of the first and second wall. The damping means comprises at least two cooperating damping elements, a first dam... | 10/31/2006 |
| 7125225 | Cooled rotor blade with vibration damping device A rotor blade for a rotor assembly is provided that includes a root, an airfoil, and a damper. The airfoil has a length, a base, a tip, a first side wall, a second side wall, and at least one cavity. The length extends the base and the tip. The at least one cavity i... | 10/24/2006 |
| 7121802 | Selectively thinned turbine blade A turbine blade includes an airfoil, platform, shank, and dovetail. The platform includes a first side disposed along the pressure side of the airfoil, and an opposite second side disposed along the airfoil suction side. The platform second side includes an integral... | 10/17/2006 |
| 7121801 | Cooled rotor blade with vibration damping device A rotor blade for a rotor assembly is provided that includes a root, an airfoil, a platform, and a damper. The airfoil has at least one cavity. The platform is disposed between the root and the airfoil. The platform includes an inner surface, an outer surface, and a... | 10/17/2006 |
| 7121803 | Compressor blade with dovetail slotted to reduce stress on the airfoil leading edge A blade of an turbomachine having an airfoil with a leading edge and a root; a base attached to the root of the airfoil; a dovetail portion of the base engageable with disk; a slot in the base generally parallel to a face of the base extending between opposite sides... | 10/17/2006 |
| 7118346 | Compressor blade A compressor blade (26) comprises an aerofoil (36) and a root (38). The aerofoil (36) comprises a concave wall (40) extending from a leading edge (44) to a trailing edge (46) and a convex wall (42) extending fr... | 10/10/2006 |
| 7118343 | Trailing edge adjustable weight system for helicopter main rotor blades A system of adjustable balancing weights is provided for a helicopter main rotor blade. The trailing edge of the rotor blade is formed with a plurality of recesses that each receive an aerodynamically shaped weight to adjust and balance the weight of the rotor blade... | 10/10/2006 |
| 7108484 | Restraining device for fan blade root A restraining device for a fan blade root, in which a packing member is constituted by a metal structure having hollowed out portions filed in by overmolding with a semi-rigid elastomer material, in particular on a lateral edge concave side between an upstream end z... | 09/19/2006 |
| 7104760 | Hybrid bucket and related method of pocket design A steam turbine rotor wheel includes a plurality of blades secured about a circumferential periphery of the wheel, each blade comprising a shank portion and an airfoil portion, the airfoil portion having at least one pocket filled with a filler material, wherein at ... | 09/12/2006 |
| 7104758 | Rotor of a steam or gas turbine A rotor of a steam or gas turbine is equipped with rotor blades, which are held in the rotor (6) in a plurality of radial rows and comprise a blade foot 1 installed in the rotor (6), a blade leaf (2) and a cover plate (3). An open ... | 09/12/2006 |
| 7104752 | Braided wire damper for segmented stator/rotor and method The segments of the vanes of a stator and the blades of a rotor for a gas turbine engine are dampened by utilizing braided wire cable that is affixed to adjacent segments such that each of the wire strands forming the cable is allowed to move relative to each other ... | 09/12/2006 |
