http://www.freshpatents.com/Fluid-reaction-surfaces--i-e--impellers--dtnewntc416.php USPTO Class 416 - Fluid reaction surfaces (i.e., impellers) en-us Mon, 30 Jan 2012 13:32:07 -0800 1000 Wednesday Thursday Friday Saturday Sunday 141 31 http://www.freshpatents.com/index.php?rss=true http://www.freshpatents.com/images/freshpatentsnav_rss.gif http://www.freshpatents.com/-dt20120126ptan20120020787.php Mon, 30 Jan 2012 13:32:07 -0800 A cooled blade for a gas turbine includes a blade airfoil extending between leading and trailing edges in a flow direction and on suction and pressure sides is delimited by a wall, which include an interior space in which cooling air flows towards the trailing edge in the flow direction... http://www.freshpatents.com/-dt20120126ptan20120020786.php Mon, 30 Jan 2012 13:32:07 -0800 A method and system for redundant turbine control is provided. The method includes classifying first and second turbine control units (TCUs) as a primary and secondary TCUs and receiving, in parallel, monitored data from a wind turbine at both the primary TCU and secondary TCU. The primary TCU periodically calculates... http://www.freshpatents.com/-dt20120126ptan20120020788.php Mon, 30 Jan 2012 13:32:07 -0800 Wind energy systems comprise a wind accelerator having a support assembly and an outer structure surrounding the support assembly. The wind accelerator has a front region and a rear region. The rear region is substantially wider than the front region, and the outer structure tapers from the rear region to... http://www.freshpatents.com/-dt20120126ptan20120020789.php Mon, 30 Jan 2012 13:32:07 -0800 A turbine wheel including: a plurality of first and second blades, at least one of the first blades being adjacent to at least one of the second blades; a disk presenting an axis of rotation and a periphery having the blades mounted thereat, each of the blades including a head... http://www.freshpatents.com/-dt20120126ptan20120020790.php Mon, 30 Jan 2012 13:32:07 -0800 An improved personal propulsion device that generally imparts thrust directly to the user. The device allows hands free control of thrust magnitude and direction so both hands can grasp and control bicycle handlebars and brakes, watercraft paddles, ski poles or other apparatuses. The device is adjustable vertically, on the users'... http://www.freshpatents.com/-dt20120126ptan20120020791.php Mon, 30 Jan 2012 13:32:07 -0800 A receptor assembly for lightning protection of an object, such as a wind turbine blade, includes a receptor disk configured to be placed on a surface of the object, a receptor block insulator with an integral receptor block, a cover that engages the receptor block insulator, and a cap that... http://www.freshpatents.com/-dt20120126ptan20120020792.php Mon, 30 Jan 2012 13:32:07 -0800 The invention is directed to a wind power plant having a rotor mounted rotatably about an axis directed approximately in the wind direction, and having at least two mutually concentric annular elements for connection to oppositely rotatable system components of the wind power plant, one of which comprises means for... http://www.freshpatents.com/-dt20120126ptan20120020794.php Mon, 30 Jan 2012 13:32:07 -0800 A device for use in a molten metal pump helps alleviate jams between rotating rotor blades and a stationary pump base. The device includes inlet perimeters that partially define one or more openings, and one or more rotor blades, wherein each rotor blade has a portion that directs molten metal... http://www.freshpatents.com/-dt20120126ptan20120020793.php Mon, 30 Jan 2012 13:32:07 -0800 A turbine blade system including a first turbine blade and a second turbine blade being arranged adjacent to each other shall be suited to allow a particularly secure and reliable operation of a turbine. To this end, the turbine blades are in contact in a first surface area and separated... http://www.freshpatents.com/-dt20120126ptan20120020795.php Mon, 30 Jan 2012 13:32:07 -0800 A mounting apparatus for mounting a system fan and an exterior fan to a chassis includes a mounting bracket and a plurality of connecting members. The mounting bracket includes a rectangular hollow frame and x-shaped spoke fixed in the rectangular hollow frame. Each of the connecting members includes a first... http://www.freshpatents.com/-dt20120126ptan20120020796.php Mon, 30 Jan 2012 13:32:07 -0800 A retaining ring presenting, on its periphery, a plurality of radial bores, each of the bores being able to receive a blade root. The retaining ring also includes at least one first radial opening traversed by a compression tube and at least one second radial opening, the at least first... http://www.freshpatents.com/-dt20120126ptan20120020798.php Mon, 30 Jan 2012 13:32:07 -0800 The invention relates to a fairing adapted to be mounted on a wind turbine blade (2), wherein the outer surface of said fairing is arranged so as to reduce, when mounted on the blade, the aerodynamic drag in a flapwise (z) direction of the blade. In this way a reduction... http://www.freshpatents.com/-dt20120126ptan20120020799.php Mon, 30 Jan 2012 13:32:07 -0800 When cold and in the non-coated state, the aerodynamic profile is substantially identical to a nominal profile determined by the Cartesian coordinates X,Y,Z′ given in Table 1, in which the coordinate Z′ is the quotient D/H where D is the distance of the point under consideration from a first reference... http://www.freshpatents.com/-dt20120126ptan20120020800.php Mon, 30 Jan 2012 13:32:07 -0800 When cold and in the non-coated state, the aerodynamic profile is substantially identical to a nominal profile determined by the Cartesian coordinates X,Y,Z′ given in Table 1, in which the coordinate Z′ is the quotient D/H where D is the distance of the point under consideration from a first reference... http://www.freshpatents.com/-dt20120126ptan20120020801.php Mon, 30 Jan 2012 13:32:07 -0800 The present invention provides a structural element, in particular for an aircraft or spacecraft, comprising a core, the material density of which varies, at least in portions, in order to optimise the natural vibration behaviour of the structural element. The present invention further provides a method for producing a structural... http://www.freshpatents.com/-dt20120126ptan20120020797.php Mon, 30 Jan 2012 13:32:07 -0800 A gas turbine engine has a vortex reducing device therein that includes a retainer and paddles. The retainer is arcuate in shape and has a plurality of circumferentially spaced slots that extend through it. The paddles are circumferentially spaced about the retainer and extend outward thereform. Each paddle is disposed... http://www.freshpatents.com/-dt20120126ptan20120020802.php Mon, 30 Jan 2012 13:32:07 -0800 A compressor blade 1 of a gas-turbine engine has a flow-exposed leading edge 2. A component 3, made of wear-resistant material and featuring a higher erosive wear resistance than the base material, is attached to at least part of a length of the leading edge 2 The component 3 forming... http://www.freshpatents.com/-dt20120126ptan20120020803.php Mon, 30 Jan 2012 13:32:07 -0800 A blade for use in a wind turbine comprises a pressure side and suction side meeting at a trailing edge and leading edge, the pressure side having a pressure side surface and the suction side having a suction side surface, the pressure side surface and suction side surface for providing... http://www.freshpatents.com/-dt20120126ptan20120020806.php Mon, 30 Jan 2012 13:32:07 -0800 When cold and in the non-coated state, the aerodynamic profile is substantially identical to a nominal profile determined by the Cartesian coordinates X,Y,Z′ given in Table 1, in which the coordinate Z′ is the quotient D/H where D is the distance of the point under consideration from a first reference... http://www.freshpatents.com/-dt20120126ptan20120020805.php Mon, 30 Jan 2012 13:32:07 -0800 A rotor blade for a turbine engine includes an airfoil section which extends from a platform section opposite a root section, the airfoil section defines a cavity which extends from an airfoil tip section toward a root section.... http://www.freshpatents.com/-dt20120126ptan20120020804.php Mon, 30 Jan 2012 13:32:07 -0800 Turbine nozzle segments with trimmed leading edges are disclosed. In one embodiment of the invention, a turbine static nozzle airfoil includes: an arcuate concave leading edge; and a substantially flat trailing edge....