http://www.freshpatents.com/Fluid-reaction-surfaces--i-e--impellers--dtnewntc416.php USPTO Class 416 - Fluid reaction surfaces (i.e., impellers) en-us Mon, 20 May 2013 13:40:55 -0700 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/-dt20130516ptan20130121825.php Mon, 20 May 2013 13:40:55 -0700 The invention further relates to a control system and a wind turbine configured for performing the method. A method is disclosed for calibrating a wind turbine sensor placed on a component of a wind turbine and where the wind turbine is of the type having a rotor with at least one... http://www.freshpatents.com/-dt20130516ptan20130121826.php Mon, 20 May 2013 13:40:55 -0700 A fluid interface device, such as an airfoil assembly, can include a device structure and at least one movable band oriented such that the band moves in a direction of fluid flow. The at least one movable band can be supported on the device structure such that an outer surface... http://www.freshpatents.com/-dt20130516ptan20130121842.php Mon, 20 May 2013 13:40:55 -0700 The disclosed propeller/turbine blade enhancement will be used in the moving fluid kinetic energy conversion field. This power channel blade enhancement will increase the kinetic energy conversion of propeller/turbine blades by collecting, redirecting, channeling, compressing and then expelling a portion of the moving fluid that would otherwise be lost. The... http://www.freshpatents.com/-dt20130516ptan20130121827.php Mon, 20 May 2013 13:40:55 -0700 A rotor hub assembly and method for controlling movement of a rotor blade relative to a swashplate. The hub assembly having an attachment device operably associated with the rotor blade and the swashplate. The attachment device provides pivot and rotational blade movement relative to the swashplate. A dual spring-rate damper... http://www.freshpatents.com/-dt20130516ptan20130121828.php Mon, 20 May 2013 13:40:55 -0700 The bearing system is configured for treating and reacting dynamic loading within a rotor hub of rotorcraft. The bearing system includes an outer member having a plurality of alternating outer elastomeric layers and shim layers. The outer member has an inboard surface configured for bonding to an inboard bearing support,... http://www.freshpatents.com/-dt20130516ptan20130121829.php Mon, 20 May 2013 13:40:55 -0700 A bearing/stator set retainer structure includes a base seat, a stator set and a retainer member. The base seat has a bearing cup having an internal bearing hole in which a bearing is disposed. The stator set is assembled on the base seat and has an abutment section on one... http://www.freshpatents.com/-dt20130516ptan20130121831.php Mon, 20 May 2013 13:40:55 -0700 The invention relates to a drive (1) of a tail rotor (12) of a helicopter (10) by a permanently excited transversal flux machine in duplex arrangement in such a way that between two stators (4), which each have a toroidal winding system (8), there is arranged a disc-shaped impeller (5),... http://www.freshpatents.com/-dt20130516ptan20130121830.php Mon, 20 May 2013 13:40:55 -0700 A thin fan and a manufacturing method thereof are provided. The thin fan has a fan frame, a sleeve, a bearing, an impeller, a magnetic element and at least one coil. The fan frame includes a base and a cover connected to the base. The fan frame has an inlet... http://www.freshpatents.com/-dt20130516ptan20130121832.php Mon, 20 May 2013 13:40:55 -0700 A wind turbine 10 includes a turbine wheel 14 that includes a circular air foil 22 surrounding the turbine blades 24, with the angle of attack 39 of the air foil directing some of the trailing air outwardly in a cone-shaped path to form an area of low air pressure... http://www.freshpatents.com/-dt20130516ptan20130121833.php Mon, 20 May 2013 13:40:55 -0700 An airfoil comprises a leading edge, a trailing edge, and pressure and suction surfaces defined therebetween. An inner platform is coupled to a root section of the airfoil, with a curvilinear gusset extending along a lower surface of the inner platform, opposite the root section. An outer platform is coupled... http://www.freshpatents.com/-dt20130516ptan20130121834.php Mon, 20 May 2013 13:40:55 -0700 A fan rotor has a fan web and a plurality of circumferentially spaced-apart fan blades extending radially outwardly from an outer rim of the fan web. The outer rim is integrally connected to an inner rim through an axially facing web section. The web section has an inward concavature and... http://www.freshpatents.com/-dt20130516ptan20130121835.php Mon, 20 May 2013 13:40:55 -0700 Provided are systems and methods for a wind-powered electrical generation and fluid pumping device, including: a drive shaft; a generator comprising a rotor, wherein the generator may be coupled to the drive shaft by means of the rotor; and at least one vane pair, the vane pair comprising ribs and... http://www.freshpatents.com/-dt20130516ptan20130121836.php Mon, 20 May 2013 13:40:55 -0700 A blade connection for a rotor blade of a wind turbine having a plurality of receptacles which extend in the longitudinal direction of the rotor blade and can each receive a longitudinal bolt and are in contact with a component having an inner thread for the longitudinal bolt. The rotor... http://www.freshpatents.com/-dt20130516ptan20130121837.php Mon, 20 May 2013 13:40:55 -0700 A device is provided for reducing the drive power requirement of a watercraft includes a fore-nozzle, wherein at least one outer fin projects outwards from the fore-nozzle.... http://www.freshpatents.com/-dt20130516ptan20130121838.php Mon, 20 May 2013 13:40:55 -0700 The invention relates to a runner for a direct-connected low-speed small mixed flow type water turbine applied in a hydrodynamic energy-saving cooling tower, which comprises an upper crown (1), a lower ring (3) and curved surface blades (2) mounted between the upper crown (1) and the lower ring (3), and... http://www.freshpatents.com/-dt20130516ptan20130121839.php Mon, 20 May 2013 13:40:55 -0700 A turbine airfoil including an airfoil body is disclosed. The airfoil includes a leading edge, a trailing edge, an exterior surface including a suction side extending from the leading edge to the trailing edge and a pressure side extending from the leading edge to a trailing end. The pressure side... http://www.freshpatents.com/-dt20130516ptan20130121840.php Mon, 20 May 2013 13:40:55 -0700 A frame assembly of a ring-type fan with a pressure-releasing function includes a fan wheel, a pressuring-releasing portion, and a frame body. The fan wheel is received in an accommodating space of the frame body. The fan wheel has a hub and a plurality of blades. The pressure-releasing portion is... http://www.freshpatents.com/-dt20130516ptan20130121841.php Mon, 20 May 2013 13:40:55 -0700 A power producing spinner (28) for a wind turbine (10), the wind turbine (10) having a plurality of blades (18) interconnected about an axis of rotation (30) by a hub (20). The power producing spinner (28) includes an aerodynamic shape (34) extending radially outward from the axis of rotation (30)...