| Entries |
| Document | Title | Date |
|---|
| 20080298968 | Fan assembly having protective motor housing that accommodates cyclic movement - A fan includes a frame and a motor having (i) a motor structure that is movable in relation to the frame in a path of movement, and (ii) an output shaft that is rotatable in relation to the motor structure. The fan further includes at least one fan blade coupled to the output shaft so that rotation of the output shaft causes rotation of the at least one fan blade. Also, the fan includes a first housing portion defining a first cavity and a second housing portion defining a second cavity. The second housing portion is movable in relation to the first housing portion. One of the first housing portion and the second housing portion is fixed in relation to the frame. The other of the first housing portion and the second housing portion is fixed in relation to the motor structure. The first cavity of the first housing portion and the second cavity of the second housing portion collectively define a space in which the motor structure is positioned. The first housing portion is at least partially positioned within the second cavity of the second housing portion during movement of the motor structure in relation to the frame in the path of movement. | 12-04-2008 |
| 20090004010 | SIGNAL TRANSMISSION APPARATUS OF A DC BRUSHLESS MOTOR FOR A CEILING FAN - A signal transmission apparatus of a DC brushless motor for a ceiling fan is provided. The signal transmission apparatus comprises a transmitting line. The transmitting line is configured to transmit processed output signals of a plurality of electromagnetic sensors, in which usage of transmission lines is reduced. The output signals of the electromagnetic sensors represent the operation of the magnetic poles of the DC brushless motor. | 01-01-2009 |
| 20100034656 | FLUID ENERGY CONVERTER - Embodiments include apparatus and methods of fluid energy conversion. One embodiment relates to a tube for a fluid energy converter. The tube may include a generally cylindrical and hollow body having an interior surface, an exterior surface, and a longitudinal axis. Another embodiment includes a fluid energy converter having a longitudinal axis and a rotatable tube coaxial about the longitudinal axis. In some embodiments, the rotatable tube converts kinetic energy in a fluid into rotating mechanical energy, or converts rotating mechanical energy into kinetic energy in a fluid. | 02-11-2010 |
| 20100040470 | WIND ENERGY SYSTEM WITH FLUID-WORKING MACHINE WITH NON-SYMMETRIC ACTUATION - The invention relates to a wind energy system with hydraulic energy transmission with non-symmetric actuation. The non-symmetric actuation is caused by valve control and mechanical means for controlling the actuation of the pistons. A cylinder unit is provided comprising a drive unit and an output unit associated with two hydraulic connections. The drive and the output unit comprise a minimum of two cylinders, in which pistons are reciprocating. Some of the cylinders can be switched off during low wind speeds. The cylinders communicate with a low pressure manifold and a high pressure manifold. These manifolds are part of the hydraulic connections. Use of the fluid-working machine as transmission in wind energy systems increases the overall economical efficiency. | 02-18-2010 |
| 20100074753 | Drive Train between a Rotor and Gear Unit of a Wind Power Plant - A drive train between a rotor and a transmission having a torque support for a wind turbine generator system, comprising a rotor shaft extending from the rotor and supported in this area by a first rotor shaft bearing and extending to the transmission for converting the rotor speed into a desired generator speed, wherein the rotor shaft is supported by a second rotor shaft bearing formed in the manner of a moment bearing which is arranged on the input side within the transmission in order to receive the partial rotor forces, moments and weight forces and to directly pass them on to the torque support. | 03-25-2010 |
| 20100129222 | WIND TURBINE DRIVE SHAFT CONNECTION ARRANGEMENT - A connection arrangement for connecting drive shafts of a wind turbine including a rotor having a rotor shaft and a hub, and a gearbox having a gearbox input shaft is provided. The connection arrangement includes a first shaft connection means having a recessed portion arranged at the rotor shaft symmetrically to the axis of the rotor shaft, a second shaft connection means having a protruding portion arranged symmetrically to the axis of the gearbox input shaft, wherein the protruding portion of the second shaft connection means engages with the recessed portion of the first shaft connection means, and a fixing means for fixing the protruding portion of the first shaft connection means at the recessed portion of the second shaft connection means. A frictionally engaged connection is provided. | 05-27-2010 |
| 20100202885 | Epicyclic Gear Stage For A Wind Turbine Gearbox, A Wind Turbine Gearbox And A Wind Turbine - An epicyclic gear stage for a wind turbine gearbox including a sun gear, at least two planet gears, engaged with the sun gear, an annulus gear, a first planet carrier flange connected to one side of at least two of the planet gears, and a second planet carrier flange connected to the other side of least two of the planet gears. Torque from the wind turbine rotor is transferred via a torque transfer part connected to at least one of the first and second planet carrier flanges at one or more torque transferring zones and the one or more torque transferring zones are located between a first and a second plane, the planes being substantially perpendicular to an axis of rotation of the sun gear. | 08-12-2010 |
| 20100215497 | APPARATUS FOR POSITIONING A GEARBOX IN A WIND ENERGY PLANT - An apparatus for positioning a gearbox in a wind energy plant, which gearbox is supported on a bearing structure of the wind energy plant by way of a torque support, wherein the torque support is mounted via at least one uncoupling element, which is arranged between torque support and bearing structure, wherein the torque support features at least one support body and an hydraulic apparatus with at least one hydraulic cylinder, by way of which the position of the support body is adjustable with respect to the bearing structure. | 08-26-2010 |
| 20100296933 | TRANSMISSION SYSTEM FOR POWER GENERATION - A transmission ( | 11-25-2010 |
| 20100296934 | PLANETARY GEAR TRANSMISSION UNIT - A planetary gear transmission unit ( | 11-25-2010 |
| 20100303626 | EPICYCLIC GEAR STAGE FOR A WIND TURBINE GEARBOX, A WIND TURBINE GEARBOX AND A WIND TURBINE - The invention relates to an epicyclic gear stage for a wind turbine gearbox comprising a sun gear, at least two planet gears, engaged with said sun gear, an annulus gear, and a planet carrier. Torque from the wind turbine rotor is transferred via a torque transfer part connected to said planet carrier and said torque transfer part is flexible connected to said planet carrier at one or more joints. | 12-02-2010 |
| 20100329868 | PLANETARY GEAR TRANSMISSION UNIT WITH PLANET SHAFT LOCKING MECHANISM - A planetary gear transmission unit includes a planet carrier which supports and locates circumferentially spaced pairs of planet gears, and at least one planet shaft. The planetary gear transmission unit further includes a planet shaft locking mechanism between the at least one planet shaft and the planet carrier for preventing the at least one planet shaft from rotating around its own axis, the planet shaft locking mechanism being provided between an axial end face of the planet shaft and the planet carrier in a direction substantially parallel to the planet shaft. An advantage of the planetary gear transmission unit is that rotation of the planet shaft relative to its axis in the planet carrier is prevented. The unit results in a free of wear contact between planet shaft and planet carrier, thereby allowing all degrees of freedom of the planet shaft without disturbing the load distribution between the planet gears of a pair on one planet shaft. | 12-30-2010 |
| 20110008168 | GEAR BOX OF A WIND POWER PLANT - A gear box ( | 01-13-2011 |
| 20110033299 | PARALLEL GEAR UNIT FOR A GEARBOX FOR A WIND TURBINE - A parallel gear unit ( | 02-10-2011 |
| 20110142649 | COMPACT GEARED DRIVE TRAIN - A drive train for a wind turbine is provided. The wind turbine includes a rotor hub and one or more blades. The drive train includes a first stage carrier connected to the rotor hub. The first stage carrier includes one or more first stage planet gears that interact with a fixed first stage ring gear and a rotating first stage sun gear. A second stage planet carrier includes one or more second stage planet gears. The second stage planet carrier is rigidly connected to the first stage sun gear. The second stage planet gears interact with a rotating second stage ring gear and a non-rotating second stage sun gear. A generator includes a generator rotor and a generator stator, and the generator rotor is fixedly connected to the second stage ring gear so that both the generator rotor and the second stage ring gear rotate together. | 06-16-2011 |
| 20110150655 | Lubrication System for a Gear System for a Wind Turbine - A lubrication system ( | 06-23-2011 |
| 20110200436 | VERTICAL AXIS WIND TURBINE - A vertical axis wind turbine has a rotor carrying at least one blade and mounted to a support structure for rotation about an upright rotor axis. A pin wheel fixed to the rotor is drivingly meshed with a toothed wheel mounted to the support structure. A transmission is provided for transmitting torque from the toothed wheel to an electric generator. | 08-18-2011 |
| 20110206517 | TRANSMISSION DEVICE FOR A MACHINE FOR PRODUCING ELECTRICITY FROM A VARIABLE SPEED MOTIVE POWER SOURCE, UNIT FOR PRODUCING ELECTRICITY AND WIND TURBINE BOTH SO EQUIPPED, AND METHOD OF SETTING A TRANSMISSION RATIO - Two identical differential mechanisms are mounted in parallel between the input shaft connected to the rotor | 08-25-2011 |
| 20110211962 | DRIVETRAIN FOR GENERATOR IN WIND TURBINE - A wind turbine and a drivetrain for a generator is provided. The drivetrain includes a hub configured to provide an input rotational speed, and a planetary gearbox in communication with the hub. The planetary gearbox includes a stationary or rotatable carrier and a plurality of planet gears. The planetary gearbox is configured to convert the input rotational speed to an output rotational speed, and includes at least one sun gear. The hub can be rigidly connected to the rotatable ring gear. | 09-01-2011 |
| 20110217173 | Wind Turbine Lubrication System - A wind turbine lubrication system comprising a pump for pumping lubricant through a lubrication circuit, said pump being driven by a power-take-off from the drive train of the wind turbine, characterised in that said pump for pumping lubricant drives at least a first hydraulic motor providing mechanical power to a first wind turbine auxiliary component. | 09-08-2011 |
| 20110229324 | WIND POWER STATION - An energy production plant, in particular a wind power plant, has a drive shaft, a generator ( | 09-22-2011 |
| 20110243740 | Planetary Gear - A planetary gear including a stationary ring gear, a rotatable planet carrier having an even number of at least four mirror-symmetrically arranged planet wheels, and a sun gear and comprising two bearings disposed opposite of the sun gear and arranged between the planet wheels is provided. The bearings connect the input or output element of the planetary gear to the planet carrier in the center plane of the planet carrier, with the bearings forming an imaginary axis of symmetry, and at least two planet wheels have having a lesser distance to each other than one of the planet wheels does to a further planet wheel. | 10-06-2011 |
| 20110250070 | COMPOSITE GEAR PART FOR A GEAR ARRANGEMENT AND A METHOD OF FORMING A COMPOSITE GEAR PART - A composite gear part ( | 10-13-2011 |
| 20110286846 | SUN-AND-PLANET SPEED-UP GEAR - A sun-and-planet speed-up gear includes a low-speed-stage sun-and-planet gearing and a high-speed-stage sun-and-planet gearing, in which an input shaft is connected to a low-speed-stage ring gear, the position of a shaft of a low-speed-stage planet gear is secured, a shaft of a low-speed-stage sun gear is connected to a high-speed-stage carrier, and an output shaft is connected to a high-speed-stage sun gear. In order to automatically center the low-speed-stage sun gear to prevent damage to gears and a bearing, a flange formed at a tip of the shaft of the low-speed-stage sun gear and a flange formed at a tip of a coupling that is directly attached to the high-speed-stage carrier or that is formed on the high-speed-stage carrier are coupled via a sleeve. | 11-24-2011 |
| 20110305575 | DEVICE WITH COUNTER-ROTATING PROPELLERS HAVING A PROPELLER PITCH ALTERING MEANS - A device including a pair of counter rotating propellers with variable pitch which may be modified by an actuator located in a central cavity of the shafts. A system for transporting energy to the actuator includes a conduit passing into a static case in proximity to an epicycloidal gear train, and then control conduits leading to the actuator and crossing the planet carrier of an epicycloidal gear train. The junction is affected by a dynamic joint with a collector. This transport path avoids a high temperature turbine. | 12-15-2011 |
| 20120003096 | GEAR BOX FOR WIND TURBINE GENERATOR AND WIND TURBINE GENERATOR - In an object to provide a gear box for a wind turbine generator and a wind turbine generator in which the life of the planet bearings are further enhanced, a gear box of the present invention includes a casing, a carrier, planet pins held to the carrier, planet bearings supported to the planet pins, respectively, a plurality of planet gears supported to the planet pin via the planet bearings, respectively, and a ring gear and a sun gear meshed with the planet gears. In the gear box, the carrier has an inclined surface facing the planet bearing as a part of an outer cylinder part provided on both ends of the planet pins in axial direction of the planet pin and surrounding the outer circumference of the both ends of the planet pins and the incline surface inclines such that the farther from an axial center of the planet pin, the longer a distance between the inclined surface and the planet bearing. | 01-05-2012 |
| 20120014797 | ENERGY PRODUCTION PLANT, IN PARTICULAR WIND POWER STATION - An energy production plant, in particular a wind power station, includes a drive shaft connected to a rotor ( | 01-19-2012 |
| 20120014798 | ENERGY PRODUCTION PLANT, IN PARTICULAR WIND POWER STATION - An energy production plant, in particular a wind power station, includes a drive shaft, a generator ( | 01-19-2012 |
| 20120027596 | PLANETARY GEAR SYSTEM - A planetary gear system is disclosed. The planetary gear system includes a carrier, a planet gear defining a central planet axis, and a pin coupling the planet gear to the carrier. The planetary gear system additionally includes a bearing disposed between the planet gear and the pin. The bearing includes a plurality of rolling elements. Each of the rolling elements is in contact with an inner race and an outer race. The planetary gear system further includes a resilient member. The resilient member is disposed between one of the inner race and the pin or the outer race and the planet gear. | 02-02-2012 |
| 20120039715 | Gear Transmission having a Gear Wheel Arranged on a Hollow Shaft and Wind Power Plant - The invention relates to a gear transmission having at least one gear wheel stage ( | 02-16-2012 |
| 20120045335 | WIND TURBINE TORQUE LIMITING CLUTCH SYSTEM - A wind turbine power generating system includes a wind turbine connected to a speed increasing gearbox having an output shaft. An electrical generator having an input shaft is also provided. An asymmetrical coupling interconnects the input and output shafts. The coupling includes a first torque limiting clutch in series connection with a one-way clutch between the input and output shafts. A second torque limiting clutch is provided in parallel connection with the one-way clutch between the input and output shafts. The first and second torque limiting clutches have different characteristic slip torques. The interconnection of the clutches, and the implementation of the one-way clutch, provides for effective operation of the first and second torque limiting clutches in opposite rotational directions of the input and output shafts. The second torque limiting clutch has a characteristic slip torque that is a fraction of the first torque limiting clutch, the second torque limiting clutch providing protection against reverse impulse loads. | 02-23-2012 |
| 20120045336 | Wind Turbine - A wind turbine comprising a hub carrying one or more blades, a frame, and a planetary gearing for transmitting the torque of the hub, the hub being rotatably mounted upon the frame at or near a distal end thereof, wherein the torque of the hub is introduced into the planetary gearing through a planet carrier of the gearing, the planet carrier being located at or near the distal end of said frame. | 02-23-2012 |
| 20120063902 | ENERGY GENERATION PLANT, IN PARTICULAR WIND POWER PLANT - An energy generation plant, in particular a wind power plant, has a drive shaft, a generator ( | 03-15-2012 |
| 20120114488 | WIND POWER PLANT, TRANSMISSION FOR A WIND POWER PLANT AND FLEXPIN - According to prior art, a transmission of a wind power plant is integrated at least partially into a hollow main shaft. In terms of said type of conception, a shoulder stop is provided to limit deformation of the main shaft. Also, a planetary gear of a wind power plant transmission is placed on a sleeve of a flexpin. In this respect, an intermediate sleeve, in particular designed as a friction bearing is provided. Also known is that the main shaft is placed with a pretensioned rolling bearing in the housing of the wind power plant. In this respect, a hydrostatic friction bearing is used instead. The above-mentioned aspects of the invention enable the service life of the wind power plant to be significantly increased whilst at the same time simplifying maintenance and reducing production and maintenance costs as well as lowering noise emissions. | 05-10-2012 |
| 20120121418 | Wind turbine with pulley transfer box apparatus - A wind turbine for generating electrical power, the turbine having a rotor assembly comprising a hub, an annular rim and a plurality of blade members extending between the hub and rim, a pulley transfer box apparatus and a looped member extending circumferentially about the annular rim and through the pulley box transfer apparatus, the pulley box transfer apparatus having a pair of drum pulleys each having a plurality of annular grooves receiving the looped member. | 05-17-2012 |
| 20120121419 | Wind Turbine - A wind turbine is described. The turbine includes a hub with one or more blades. The hub is rotatably mounted on a frame and operatively coupled to a shaft through a coupling plate mounted on the shaft. The shaft is provided at least partially internally to the frame, and the shaft is a substantially tubular hollow shaft. | 05-17-2012 |
| 20120128495 | RAM AIR TURBINE BEARING SPACER - A ram air turbine assembly includes a spacer that controls axial movement of a bearing assembly supporting rotation of a driven shaft to limit compression of a bearing biasing member. A gearbox includes mating gears that transfer power through a strut to a generator. Bearings support rotation of the driven shaft and the biasing member generates a biasing load to maintain desired alignment between the mating gears. Axial thrust reversals generated during operation are prevented from fully compressing the biasing member by a spacer that defines a minimum compressed height and that further limits axial movement of the bearing assembly responsive to the thrust reversals of the driven shaft. | 05-24-2012 |
| 20120141279 | DRAG-TYPE WIND TURBINE FOR WIND-DRIVEN ELECTRICITY GENERATORS AND WIND-DRIVEN ELECTRICITY GENERATORS USING DRAG-TYPE WIND TURBINE - Drag-type wind turbine blades for wind-driven electricity generators are vertically provided between plates of the generator. The wind turbine blades have a plate-like structure with a fin-shaped surface. The turbine blade comprises a wind receiving side consisting of a base section, a base concave-shaped wind receiving section, a convex-shaped wind streaming section, and a wind streaming side of a convex-shaped surface extending in a radiation direction on the back of the wind receiving side. The base end of the wind receiving side and the connecting side comprise an inverse parabolic concave-shaped connecting section to connect it to the base section of the wind streaming side. | 06-07-2012 |
| 20120156040 | FAN BIASING TRANSMISSION MECHANISM - A fan biasing transmission mechanism includes gearbox affixed to the rear side of the housing of an electric fan's fan motor, a control rod pivotally and axially movably mounted in the gearbox. a power gear fixedly mounted on the control rod and meshed with a motor shaft worm wheel of the fan motor, a driving gear pivotally mounted in the gearbox, a gear-clutch gear fixedly mounted on the control rod and movable with the control rod into mesh with the gear-clutch gear, a first bevel gear fixedly mounted on the driving gear, a second bevel gear meshed with the first bevel gear, a bracket, a crank arm pivotally coupled between the gear shaft and the bracket, and an elastic member connected between the gear shaft and the gearbox. | 06-21-2012 |
| 20120177494 | STEAM TURBINE ROTOR WITH MECHANICALLY COUPLED HIGH AND LOW TEMPERATURE SECTIONS USING DIFFERENT MATERIALS - A turbine rotor including an elongated shaft having at least an HP region, the HP region having a first section supporting a stage 1 rotor wheel and a second section supporting a stage 2 rotor wheel, the first section formed of a relatively higher-temperature-capability material and the second section formed of a relatively lower-temperature-capability material. Various mechanical couplings and described for securing the first and second sections. | 07-12-2012 |
| 20120183402 | SPIRAL BEVEL GEAR SET FOR RAM AIR TURBINE - A ram air turbine (RAT) assembly includes a gearbox that supports a gear set with a ring gear that drives a pinion gear. The gear set provides for the transmission of power from the turbine to a generator, pump or other power conversion device. A turbine shaft supports the ring gear and a pinion shaft that rotates about an axis transverse to the turbine shaft supports the pinion gear. A ratio between a face width and a diametrical pitch of the gear set is within a desired ratio that provides sufficient space for supporting bearing assemblies while provide for operation within the physical constraints and desired performance requirements of the RAT. | 07-19-2012 |
| 20120213635 | WIND-POWER GENERATION DEVICE - The wind-power generation device contains a generator a power member having a gear box and a transmission box. The gear box contains a fan, a passive gear set, a transmission gear set, a supporting axle, and an output axle. The fan contains fan blades on an active axle with an active gear engaging the passive gear set. The passive gear set contains a first passive gear and a second passive gear. The transmission gear set contains a first transmission gear and a second transmission gear engaging each other. The first passive and transmission gears are mounted on the output axle with an output gear. The second passive gear and the second transmission gear are mounted on the supporting axle. The transmission box contains a transmission axle engaging the generator. A transmission gear on the transmission axle inside the transmission box is engaged by the output gear. | 08-23-2012 |
| 20120243999 | DIRECTLY DRIVEN WIND TURBINE DRIVE TRAIN SPECIFICATION IDENTIFICATION - Wind turbine comprising a tower ( | 09-27-2012 |
| 20120269633 | CLOSED GAS GENERATOR AND MICRO POWER UNIT INCLUDING THE SAME - A gas generator assembly includes a propellant chamber housing an amine based propellant. A reaction chamber is coupled with the propellant chamber. The reaction chamber includes a reaction chamber housing, and a porous reaction matrix within the reaction chamber housing. The reaction matrix includes a catalyzing agent, and the catalyzing agent is configured to non-combustibly catalyze the amine based propellant into one or more pressurized gases. An injector is in communication with the propellant chamber. The injector is configured to deliver the amine based propellant to the porous reaction matrix. A discharge nozzle is coupled with the reaction chamber and is configured to accelerate and discharge the one or more pressurized gases. In one example, the gas generator is coupled with one or more of an impulse turbine assembly and an electric generator to form a micro power unit. | 10-25-2012 |
| 20120269634 | STRUT DRIVESHAFT FOR RAM AIR TURBINE - A driveshaft for an aircraft ram air turbine includes a substantially cylindrical elongate portion, a first end extending from the elongate portion, and a second end extending from the elongate portion opposite the first end. The first and second ends each include a substantially frusto-conical section having a curved generatrix, such that distal portions of each of the first and second ends have smaller outer diameters than an outer diameter of the elongate portion. The elongate portion provides relatively high lateral stiffness and the first and second ends provide relatively low torsional stiffness, such that the driveshaft has a lateral natural frequency higher than an operating range of the driveshaft and has a torsional natural frequency below the operating range of the driveshaft. | 10-25-2012 |
| 20120294719 | VERTICAL LIFT FAN - A vertical lift fan has a switchable transmission system. The fan includes a lift fan unit having one or more fan rotors. The fan further includes a differential gearbox having an input gear connectable to a transmission shaft for providing power to the fan, and first and second output gears. The first output gear drives the fan rotors. The fan further includes a first brake unit for braking the first output gear, and a second brake unit for braking the second output gear. When the second brake unit is activated and the first brake unit is deactivated, rotational action provided by the transmission shaft is diverted to the first output gear to turn the fan rotors, and when the first brake unit is activated and the second brake unit is deactivated, rotational action provided by the transmission shaft is diverted to the second output gear away from the fan rotors. | 11-22-2012 |
| 20120294720 | WIND TURBINE NACELLE - A wind turbine nacelle ( | 11-22-2012 |
| 20120301301 | Wind Sail Turbine - A wind turbine comprising a drive shaft; at least one vane connected to the drive shaft; and a torque converter attached to the vane, the torque converter comprising an airfoil, the torque converter being adapted to capture air for use in aiding the vane to rotate. Certain embodiments include the vane comprising a first surface and a second surface positioned opposite to the first surface, the first surface comprising a plurality of wind disrupters. Certain embodiments include a plurality of vanes rotatably connected to the drive shaft, the plurality of vanes comprising a plurality of strakes adapted to capture air and direct air to the drive shaft. Yet certain embodiments include a first air scoop connected to the vane, the first air scoop comprising a first air scoop portion positioned at an angle relative to the vane. | 11-29-2012 |
| 20120308386 | Chain Drive Train for a Wind Turbine - A distributed chain drive train for a wind turbine is disclosed. The chain drive train may include a first stage chain drive adapted to receive mechanical energy from a main shaft of a wind turbine and a second stage chain drive adapted to receive rotational energy from the first stage chain drive and transmitting the rotational energy to one or more generators of the wind turbine. The chain drives are resilient to structural deflections that may misalign the sprockets and chains, resulting in a long lasting system. | 12-06-2012 |
| 20120308387 | Hybrid Drive Train for a Wind Turbine - A distributed hybrid drive train for a wind turbine is disclosed. The drive train may include a first stage chain drive adapted to receive mechanical energy from a main shaft of a wind turbine and a second stage gearbox adapted to receive rotational mechanical energy from the first stage chain drive and transmitting the rotational mechanical energy to one or more generators of the wind turbine. | 12-06-2012 |
| 20120308388 | NACELLE MAIN FRAME STRUCTURE AND DRIVE TRAIN ASSEMBLY FOR A WIND TURBINE - A nacelle main frame structure and drive train assembly ( | 12-06-2012 |
| 20130017088 | VERTICAL AXIS MICRO WIND GENERATORAANM Ariznabarreta; JosebaAACO USAAGP Ariznabarreta; Joseba US - A vertical axis micro wind generator is described, as comprising a Savonius type helical wing | 01-17-2013 |
| 20130022468 | Wind Turbine - A wind turbine is described. The turbine includes a hub with one or more blades that rotatably mounted on a frame and operatively coupled to a shaft. The shaft is provided at least partially internally to the frame, and a center piece from which a plurality of spokes extends substantially radially is mounted on the shaft. The hub is provided with a plurality of circumferentially arranged axial protrusions. Flexible elements are arranged to connect the spokes to the protrusions. | 01-24-2013 |
| 20130045102 | MECHANICAL TRANSMISSION DEVICE FOR DRIVING IN ROTATION COUNTER-ROTATING PROPELLERS OF A DUAL-PROPELLER TURBOPROP - A mechanical transmission device to driving in rotation counter-rotating propellers of a dual-propeller turboprop, including: an epicyclic gear train having a sun gear carried on a sun gear shaft centered on a longitudinal axis and which is connected upstream to a turbine rotor of the turboprop driven in rotation; at least one planet gear meshing with the sun gear; a planet gear carrier carrying the planet gear free to rotate and which is carried by a planet carrier shaft connected downstream to a first set of propellers to drive it in rotation; and a ring gear meshing with the planet gear and which is carried on a ring gear shaft connected downstream to a second set of propellers to drive it in rotation, is disclosed. | 02-21-2013 |
| 20130045103 | CEILING FAN - A ceiling fan includes a suspending part fixed to a ceiling and a ceiling fan body suspended via the suspending part. The ceiling fan body has a plurality of horizontally-provided blades, a motor that rotates the blades, a shaft protruding from an upper side of the motor, and a joint part that is fixed to an upper side of the shaft and is connected to the suspending part. The joint part is detachable from the suspending part and is provided with a suspension detecting part extending from the joint part to the suspending part. The suspension detecting part detecting an energized state between the suspending part and the joint part. | 02-21-2013 |
| 20130078097 | ACTUATING SYSTEMS FOR CONTROLLING THE FLIGHT OF A POWER WING PROFILE FOR CONVERSION OF WIND ENERGY INTO ELECTRICAL OR MECHANICAL ENERGY - An actuating system for controlling the flight of a power wing profile or kite controlled via at least two cables for conversion of wind energy into electrical or mechanical energy, includes a first unit for exerting an action of unwinding-winding of the cables to the same extent, and a second unit set between the power kite and the first unit for providing an action of differential control of the cables. The system employs a single motor or motor/generator. | 03-28-2013 |
| 20130136603 | CEILING FAN - A ceiling fan includes a suspension part, a pipe, and a main body, the main body has a coupling part, an upper portion of the coupling part has a coupling hole, a lower portion of the pipe has a pipe hole, the coupling part is inserted into the pipe, a bolt inserted into the coupling hole and the pipe hole, and a nut. The bolt includes a threaded portion and a head having a curved surface that conforms to the shape of the outer surface of the pipe. The curved surface has a head direction guide part that guides the direction of the curved surface such that the curved surface is fixed in contact with the outer surface with the nut. | 05-30-2013 |
| 20130156582 | ROTATION CONTROL DEVICE OF MULTI-ROTOR CEILING FAN - A rotation control device of a multi-rotor ceiling fan includes a fixed unit. The fixed unit is provided with a fixed gear. The fixed unit is pivotally connected with a movable unit. A driving member is fixed to the movable unit. The driving member has a driving gear. The driving gear meshes with the fixed gear. The driving member is provided with at least one pair of support rods. The distal ends of the support rods are respectively connected with a fan. The driving member brings the movable unit to turn at a constant speed relative to the fixed unit for the fans to revolve round the fixed unit, producing stable airflow to the surrounding by 360-degree rotation. | 06-20-2013 |
| 20130202437 | Roller Push Belt for Wind Turbine Drive Train Applications - A wind turbine with a roller push belt drive train is disclosed. The wind turbine comprises a tower with a nacelle mounted to the tower. A hub is rotatably mounted to the nacelle. A plurality of blades radially extends from the hub, which is mounted to a main shaft within the nacelle. In one embodiment, the main shaft is mounted to a drive sprocket. A driven sprocket is mounted to a generator input shaft of a generator. The driven sprocket is proximally aligned in the same plane as the drive sprocket, but the drive and driven sprockets do not contact each other. A roller push belt transfers motion from the drive sprocket to the driven sprocket. The roller push belt comprises a guide track around the perimeter of the circumferences of the drive and driven sprockets and a plurality of roller elements arranged along the guide track. | 08-08-2013 |
| 20130202438 | KINETIC ENERGY MULTIPLIER ROTARY ENGINE - A kinetic energy multiplier rotary engine which operates by increasing the multiplied force of kinetic energy, which starts thanks to its accelerator and the rotary movement of its different sized masses that the kinetic energy rotary engine has in its structure. The purpose of this invention is to provide energy so that moving and/or electrical energy equipment will operate to provide a more practical, cleaner, less costly and less pollutant energy than the types of energy existing today, since the latter are costly and highly pollutant. This purpose is accomplished thanks to a simple innovative construction whose main characteristic consists of masses and magnets that provide rotary movement on the engine shaft. | 08-08-2013 |
| 20130236312 | Cooling Fan Module And Adapter Device Therefore - The present invention provides a cooling fan module for an automotive cooling system, comprising: a cooling fan having a hub and a plurality of fan blades extending from the hub; a motor for driving the cooling fan, the motor having a rotor mounted or supported for rotation about an axis on a fixed shaft or axle of the motor; and an adapter device by means of which the cooling fan is attached to the rotor, wherein the adapter device comprises a connection member for rotationally fixed connection to a body of the rotor, and an attachment member for attachment with the hub of the cooling fan. The connection member may comprise a stub, which is desirably inserted into a central opening or aperture of the rotor body and the adapter device desirably accommodates at least one bearing upon which the rotor is supported for rotation about the rotational axis. | 09-12-2013 |
| 20130287573 | Dolphin-Blade, Fluid Flow, Reciprocal Motor - A system for capturing fluid energy has a blade shaft coupled to a gear assembly and a blade assembly. The blade assembly has a rod arm and a blade having a front surface and a blade plane, the blade fixedly coupled substantially normal to the rod arm. A limiter coupling has a limiter coupling axis and is coupled to the blade such that the limiter coupling axis is substantially parallel to the front surface and perpendicular to the rod arm. A horizontal limiter restricts the limiter coupling to a range of motion substantially along a first movement axis perpendicular to the limiter coupling axis and substantially perpendicular to the blade shaft. The blade assembly interacts with a fluid flow to transmit fluid energy from the fluid flow to the blade shaft to impart rotational energy to the gear assembly. | 10-31-2013 |
| 20130287574 | WIND TURBINE - A wind turbine is provided. The wind turbine includes a stationary main shaft arranged within a nacelle of the wind turbine, a rotor hub including a hollow shell defining an interior and a plurality of rotor blades extending radially outwards from the rotor hub, wherein the rotor hub is rotatably mounted to the stationary main shaft via at least one bearing, wherein the at least one bearing is arranged within the interior of the rotor hub and connected to a section of the main shaft protruding into the interior of the rotor hub. | 10-31-2013 |
| 20130287575 | Geared Architecture for High Speed and Small Volume Fan Drive Turbine - A gas turbine engine includes a flex mount for a fan drive gear system. A very high speed fan drive turbine drives the fan drive gear system. | 10-31-2013 |
| 20130294916 | Inverted Tooth Silent Drive Chain for Wind Turbine Powertrain Applications - A powertrain for a wind turbine is provided. The powertrain may include a first stage speed increaser and a second stage speed increaser in communication with the first stage speed increaser. The first stage speed increaser may include a first stage drive wheel being driven by a main shaft of the wind turbine, and at least one first stage driven wheel being driven by the first stage drive wheel through one or more roller drive chains. The second stage speed increaser may include a second stage drive wheel being driven by the first stage driven wheel, and at least one second stage driven wheel being driven by the second stage drive wheel through one or more inverted tooth drive chains. | 11-07-2013 |
| 20130302169 | ROTOR ASSEMBLY FOR AN AXIAL TURBINE - A rotor assembly includes a drive shaft; a rotor having rotor blades, which each comprise a profiled rotor blade section and a blade fastening section; wherein each blade fastening section comprises a first contact region and a second contact region, the first contact region being at least indirectly supported on the blade fastening section of a first adjacent rotor blade, the second contact region being at least indirectly supported on the blade fastening section of a second adjacent rotor blade; the blade fastening sections are fastened in a formfitting manner and/or by a screw connection on the drive shaft, so that there is a connection between rotor blade and drive shaft on an axial end face of the blade fastening section. Intermediate elements having an elastic intermediate layer are between the blade fastening sections of adjacent rotor blades. | 11-14-2013 |
| 20130315736 | ASSEMBLY FOR EXTRACTING THE ROTATIONAL ENERGY FROM THE ROTOR HUB OF THE WIND TURBINE OF A WIND TURBINE SYSTEM - An assembly for absorbing torques at the rotor hub of a wind turbine whose rotation axis extends toward the wind, and for diverting axial and radial forces and tilting moments into a load-bearing structure by means of a main bearing, and for extracting rotational energy from the rotor hub by means of a gear whose planet gears mesh with a sun gear and a ring gear, and comprising a generator connectable to an output side of the planetary gear, and operates to convert the rotational energy into electrical energy, wherein the planetary gear is integrated with a main bearing of a wind power plant, and the ring gear of the planetary gear is driven by the rotor hub, while the planet gear carrier is fixed to the chassis of a gondola of the power plant, and the sun gear of the planetary gear mechanism is drivingly connected to the generator, and the generator does not protrude radially beyond the rotor bearing or main bearing. | 11-28-2013 |
| 20130336790 | High Volume Low Speed Fan - An HVLS fan system uses STOL technology for airfoils and angle of attack thus optimizing air movement efficiency and reducing drag. The HVLS fan system includes wingtip fence end caps to the airfoils for improving efficiency by reducing drag. The HVLS fan system also includes an interconnection of the airfoils to a securing plate thus providing a failsafe and reduced potential for damage or injury resulting from failure of the connection between the airfoil array and a drive unit such as an electric motor and associated gearing. | 12-19-2013 |
| 20130336791 | Geared Architecture for High Speed and Small Volume Fan Drive Turbine - A gas turbine engine includes a flex mount for a fan drive gear system. A very high speed fan drive turbine drives the fan drive gear system. | 12-19-2013 |
| 20130343889 | Friction Wheel Drive Train for a Wind Turbine - A constant speed ratio speed increaser friction wheel drive train for a wind turbine is disclosed. The drive train may include at least one drive wheel adapted to receive mechanical energy from a main shaft of a wind turbine and capable of rotating at an input rotational speed, the at least one drive wheel constructed of a plurality of drive wheel segments and at least one driven wheel in contact with and rotating against a surface of the at least one drive wheel at an output rotational speed, the output rotational speed varying with the input rotational speed. | 12-26-2013 |
| 20130343890 | VERTICAL AXIS TURBINE - A vertical axis turbine and method of making same is disclosed. The device and method comprise a plurality of blades rotatably disposed around an axis of rotation at a plurality of blade locations, each blade being twisted at a first angle about its longitudinal axis, each blade having its distal ends located a predetermined distance from the axis of rotation, each blade being bent at one or more central locations along the longitudinal axis so the one or more central locations are the same predetermined distance from the axis of rotation as the distal ends, each blade having a foil cross section perpendicular to the axis of rotation for maintaining unidirectional rotation of that blade about the axis of rotation in a fluid flow, and each blade having its longitudinal axis tilted at a second angle with respect to the axis of rotation. | 12-26-2013 |
| 20140056708 | SYSTEM FOR USING WIND POWER - For a system for using wind power having at least one rotor, wherein the rotor has a rotor shaft having a vertically arranged rotational axis and rotor blades offset from each other by the same angle in the rotational direction of the rotor shaft are arranged on the rotor shaft, each rotor is accommodated in a frame of a wind power module, the rotor shaft is supported in receptacles of the frame in such a way that the rotor shaft can be rotated at both ends of the rotor shaft, and individual rotors of several wind power modules can be coupled to each other in a force-closed manner by means of the receptacles for the rotor shafts. Said system can be used flexibly and has a high efficiency. | 02-27-2014 |
| 20140072431 | Multi-Part Modular Airfoil Section and Method of Attachment Between Parts - A fan system includes a motor, a rotatable hub, and a plurality of fan blades. Each of the fan blades includes a substantially rigid spine member, a resilient leading edge member, and a resilient trailing edge member. The leading edge member and trailing edge members are removably coupled with the spine member, such that different leading edge members and different trailing edge members may be chosen to customize the leading and trailing edges of the fan blades. Each fan blade may have more than one type of leading edge member or more than one type of trailing edge member. The leading edge member and trailing edge member may each be coupled with the spine member by urging the leading edge member and trailing edge member in a direction that is substantially perpendicular to the longitudinal axis defined by the spine member. | 03-13-2014 |
| 20140127019 | UNI-DIRECTIONAL AXIAL TURBINE BLADE ASSEMBLY - A uni-directional axial turbine blade assembly comprises a central disc member coupled to an elongated shaft of a motor or generator, a rotational support member mounted on outer circumference of the central disc member, an outer ring mounted on outer circumference of the rotational support member and a plurality of blade members spaced equidistantly, extending radially outward from the outer ring. Each blade member includes a straight leading edge, a curved trailing edge, an exterior surface including a first region having a curved surface, a second region having a flat surface and a convex surface extending from the flat surface and terminating to a radially inward portion and an interior surface including a third region having a concave surface. The preferred embodiment renders the formation of a unique blade configuration that facilitates uni-directional rotation of the blade assembly irrespective of changes in flow direction of fluid. | 05-08-2014 |
| 20140147281 | COOLING FAN WITH ROTOR SHAFT END ABUTTING POLYOXYMETHYLENE TUBE BOTTOM - An exemplary cooling fan includes a base, a central tube formed at the base, a stator, and a rotor being rotatable relative to the stator. The central tube is made of polyoxymethylene. The central tube includes a bottom plate mounted on the base and a peripheral sidewall extending upwardly from a peripheral edges of the bottom plate. The bottom plate and the sidewall cooperatively define a blind hole therebetween. The stator is mounted around the sidewall of the central tube. The rotor includes a hub and a shaft extending from the hub. The shaft includes a free end received in the blind hole and directly abutting the bottom plate. | 05-29-2014 |
| 20140154077 | WIND TURBINE - A wind turbine is described. The turbine includes a hub with one or more blades. The hub is rotatably mounted on a frame and operatively coupled to a shaft through a coupling plate mounted on the shaft. The shaft is provided at least partially internally to the frame, and the shaft is a substantially tubular hollow shaft. | 06-05-2014 |
| 20140161615 | Water Turbine Propeller - A water turbine propeller includes an optional turbine casing having forward and rearward openings, a rotational cylindrical unit, a plurality of rotating foil blades rigidly secured to the inner periphery of the rotational shaft on a common shaft, and an engine or motor which rotates the rotational shaft within the turbine casing. The operation of the engine causes the rotation of the rotational shaft and the helical blades direct water into the forward opening of the turbine casing and out the rearward openings of the turbine casing, thereby creating a focused torque (or vortex) effect on the water flow for a propulsive force. | 06-12-2014 |
| 20140169969 | AXIAL FLOW FAN - The present invention provides an axial flow fan having conductive pins, each of which is configured to electrically connect a coil of a stator and a circuit board, and to hold a film conductor of the coil. In the conductive pin, one end is fixed to an electrical insulator covering a core stack of the stator, and the other end is electrically connected to the circuit board. The conductive pin is a quadrangular prism pin as a basic configuration and has, in at least a part of a portion exposed from the electrical insulator, a reduced diameter portion having no corners. | 06-19-2014 |
| 20140186183 | TOOL AND A METHOD FOR MOVING A WIND TURBINE DRIVETRAIN COMPONENT - The invention includes a tool for moving a drive train component in a nacelle of a horizontal axis wind turbine, the nacelle comprising a nacelle structure ( | 07-03-2014 |
| 20140186184 | WATERCRAFT PROPELLER PROPULSION SYSTEM HAVING A HYDRAULIC THRUST BEARING ASSEMBLY - A thrust system for a watercraft including a propeller shaft, a propeller shaft housing and a hydraulic thrust bearing assembly. The propeller shaft has an enlarged diameter shoulder, and the housing is positioned around and allows axial movement of the propeller shaft. The hydraulic thrust bearing assembly is axially constrained between the propeller shaft shoulder and the housing. The hydraulic thrust bearing assembly includes an annular cylinder, an annular piston, at least one oil feed passage and at least one oil bleed port. The annular cylinder surrounds the propeller shaft and has a circular groove. The annular piston surrounds the propeller shaft and is movably positioned within the circular groove of the annular cylinder forming a pressurized chamber. Each oil feed passage and oil bleed port allows oil to be communicated relative to the pressurized chamber. The hydraulic pressure developed in the pressurized chamber is proportional to thrust. | 07-03-2014 |
| 20140212290 | NACELLE MAIN FRAME STRUCTURE AND DRIVE TRAIN ASSEMBLY FOR A WIND TURBINE - A nacelle main frame structure and drive train assembly ( | 07-31-2014 |
| 20140314575 | TURBO FAN - Provided is a turbo fan. The turbo fan includes a main plate rotating by a fan motor providing power and a plurality of blades having one ends connected to the main plate, the plurality of blades being disposed along a circumferential direction on the main plate. Each of the plurality of blades includes a first curved part curved in one direction with respect to an extension part and a second curved part curved in the other direction with respect to the extension part. A plurality of projections protruding in one direction from the one end of the blade and a plurality of grooves protruding in the other direction are alternately disposed on the first and second curved parts. Alternatively, the turbo fan includes a main plate rotating by a fan motor providing power, a rotation shaft providing a rotation center of the main plate, a plurality of blades having a blade front end disposed adjacent to the rotation shaft and a blade rear end disposed spaced from the rotation shaft, the plurality of blades being disposed in a circumferential direction on the main plate, and an extension part defined as a virtual line straightly extending from an upper portion of the blade rear end to a lower portion of the blade rear end. Each of the blades includes a first curved part curved in one direction with respect to the extension part, a second curved part curved in the other direction with respect to the extension part, a first flow part defined as a space between the extension part and the first curved part, and a second flow part defined as a space between the extension part and the second curved part. | 10-23-2014 |
| 20140322019 | ROTARY ELEMENT AND COMPRESSOR DEVICE COMPRISED THEREOF - This disclosure describes new construction for rotary elements that find use in compressor devices, e.g., centrifugal compressors and blowers. This construction utilizes composite materials (e.g., carbon fiber composites) that require less machine time and reduce the weight of the rotary element, while meeting the operational characteristics of compressor devices for use in a wide range of industrial applications. In one embodiment, the rotary element has a bi-furcated material design, which uses a first material (e.g., carbon fiber) to form blades and other features of an impeller and a second material (e.g., metal) to form a sleeve with properties that can securely affix the impeller to a drive shaft of the compressor device. | 10-30-2014 |
| 20140328686 | FAN - Fan includes a hub, a mounting ring encircling the hub, a plurality of connection poles rotatably connected to the mounting ring, and a plurality of blades fastened to the connection poles. A center of lift of each blade is located between a lower end of the blade and the connection pole fastened to the blade. | 11-06-2014 |
| 20150064007 | Wind Power Generation System - A wind power generation system according to the invention includes: blades configured to receive wind to rotate; a nacelle supporting a load from the blades; a tower supporting the nacelle; a hub supporting the blades and configured to be rotated with the blades; a rotary main shaft configured to be rotated with the rotation of the hub; a gearbox connected to the rotary main shaft and configured to increase a speed of the rotation; and a generator configured to be driven at the rotation speed increased by the gearbox. The rotary main shaft is connected directly to the hub. | 03-05-2015 |
| 20150098824 | PROPULSION APPARATUS FOR SHIP - Provided is a ship propelling apparatus including a rotation shaft on which a rear propeller is fixed; a front propeller rotatably supported on the rotation shaft in front of the rear propeller; and a counter-rotating device through which the rotation shaft passes, which includes a gear box including therein a plurality of gears configured to reverse rotation of the rotation shaft and transfer the reversed rotation to the front propeller, and which is installed in an installation space formed at the rear of a ship. The rotation shaft includes a measurement hole formed to pass through a center of the rotation shaft for centering of the counter-rotating device installed in the installation space; and an individual lubricant path separated from the measurement hole. | 04-09-2015 |
| 20150329214 | RAM AIR TURBINE GEARBOX SEALING - A ram air turbine includes a turbine with one or more blades, a strut removably coupled to the turbine and having a gearbox section and a drive section, a cover located at an end of the gearbox section of the strut with a test plug having a static seal, a turbine shaft and a bevel gear located in the gearbox section of the strut and a driveshaft and a pinion gear located in the drive section of the strut, wherein the pinion gear engages with the bevel gear. The turbine shaft may include a dynamic seal that provides sealing between the turbine shaft and the cover. The test plug may be a threaded plug. The cover may also utilize a dynamic seal. The turbine shaft may include a splined internal cavity for use with a ground test motor. | 11-19-2015 |
| 20150377219 | ROTATION DRIVING MECHANISM FOR WINDMILL - A rotation driving mechanism for windmill ( | 12-31-2015 |
| 20160032773 | CIRCULATING LUBRICANT THROUGH A TURBINE ENGINE COMPONENT WITH PARALLEL PUMPS - A system for a turbine engine includes a turbine engine component, a lubricant collection device and a plurality of lubricant circuits. The lubricant collection device is fluidly coupled with the turbine engine component. The lubricant circuits are fluidly coupled between the lubricant collection device and the turbine engine component. The lubricant circuits include a first circuit and a second circuit configured in parallel with the first circuit. Each of the lubricant circuits includes a lubricant pump. The first and the second circuits receive lubricant from the lubricant collection device, and direct the received lubricant to the turbine engine component. | 02-04-2016 |
| 20160033010 | PLANETARY GEAR BOX - A planetary gearbox ( | 02-04-2016 |
| 20160053762 | ROTOR AND ROTOR SHAFT FOR MOLTEN METAL - A molten metal rotor receives and retains an end of a molten metal rotor shaft. The rotor shaft has one or more projections at the end received in the rotor. The rotor has an inner cavity, a top surface with an opening leading to the inner cavity, and at least one abutment. The opening includes one or more portions for allowing each projection to pass through the opening and into the inner cavity. The rotor and/or shaft are then rotated so at least one of the outwardly-extending projections is under the top surface of the rotor and is against an abutment. A molten metal pump, rotary degasser scrap melter or other device used in molten metal may utilize a rotor/shaft combination as disclosed herein. | 02-25-2016 |
| 20160076393 | FAN DRIVE GEAR SYSTEM WITH IMPROVED MISALIGNMENT CAPABILITY - An epicyclic gear assembly according to an exemplary aspect of the present disclosure includes, 60 among other things, a carrier including a first plate axially spaced from a second plate by a radially outer connector. A first set of epicyclic gears supported adjacent the first plate include a first set of circumferentially offset intermediate gears meshing with a first sun gear and a first ring gear. A second set of epicyclic gears are axially spaced from the first set of epicyclic gears and supported adjacent the second plate, and include a second set of circumferentially offset intermediate gears meshing with a second sun gear and a second ring gear. The first epicyclic gear set and the second epicyclic gear set maintain relative intermeshing alignment during flexure induced deformation of the carrier. | 03-17-2016 |
| 20160084104 | FAN DRIVE GEAR SYSTEM - A gas turbine engine includes a fan section and a speed change mechanism for driving the fan section. A first fan section support bearing is mounted forward of the speed change mechanism and a second fan section bearing is mounted aft of the speed change mechanism. | 03-24-2016 |
| 20160090184 | HYBRID PROPULSION POWER SYSTEM FOR AERIAL VEHICLES - This disclosure generally relates to a hybrid solid-state propulsion system for aerial vehicles. The hybrid propulsion system includes a combustor, a thermophotovoltaic generator, and a thermoelectric generator. The combustor burns a chemical based fuel to produce radiation and heat that are converted into electricity used to power the aerial vehicle. The thermophotovoltaic generator is positioned to receive radiation and remnant heat generated by flames in the combustor while the thermoelectric generator receives heat from exhausted flue gases from the combustor. | 03-31-2016 |
| 20160108891 | DEVICE FOR CONTROLLING TORQUE OUTPUT OF WIND TURBINE BLADES - The present invention is a device for controlling torque output of wind turbine blades, which can effectively keep the torque output of the blades of a wind turbine in constant and maintain the output stability of the wind turbine further. The present invention does not need any external power input and measurement signal generated from other devices and is a fully passive device which keeps the output of a wind turbine in constant. When the wind speed varies in the rated range, the present invention would adjust the pitch angle of the blades correspondingly and keep the output of a wind turbine in constant. When the wind speed is not in the rated range, the present invention would stop the rotation of the blades, so the output stability of the wind turbine can be kept, and the durability of the wind turbine can also be maintained. | 04-21-2016 |
| 20160122039 | METHOD AND SYSTEM FOR MEASURING TORQUE IN A TILTROTOR AIRCRAFT - A method for calculating torque through a rotor mast of a propulsion system of a tiltrotor aircraft includes receiving the torque being applied through a quill shaft of the rotorcraft. The quill shaft is located between a fixed gearbox and a spindle gearbox, and the spindle gearbox is rotable about a conversion access. The torque through the rotor mast is determined by using the torque through the quill shaft and the efficiency loss value between the quill shaft and the rotor mast. | 05-05-2016 |
| 20160138606 | CENTRIFUGAL FAN AND METHOD - An impeller, fan assembly, and associated methods are shown. Selected configurations are shown that include a circumferential feature formed within a plate of an impeller and spaced apart from edges of the plate. | 05-19-2016 |
| 20160146088 | Cooling Fan Assembly - A cooling fan assembly for replacing a vehicle's radiator cooling fan so the vehicle's radiator is cooled more efficiently includes a hub that may be coupled to the vehicle's water pump. A plurality of blades is coupled to and radiates outwardly from the hub. Each of the plurality of blades has a twisted shape. The plurality of blades urges air at a high velocity through the vehicle's radiator when the hub is rotated by the vehicle's water pump. The assembly improves an efficiency of the vehicle's radiator. | 05-26-2016 |
| 20160252077 | TRANSMISSION SYSTEM FOR ROTORS OF WIND DRIVEN ELECTRIC GENERATORS WITH VERTICAL AXIS | 09-01-2016 |
| 20160377062 | Power Turbine Incorporating Torque Accumulation and Energy Storage - A power producing turbine comprising a flexible cable in a torque transmitting transmission, to accumulate force and to attenuate fluctuations in transmitted torque. The turbine includes a tower on which the turbine is mounted, and a generator receiving torque from the transmission. The flexible cable has a ratchet at each end to prevent unwinding. Thrust bearings maintain the flexible cable straight and unkinked. The generator may be located at ground level. The turbine may be a vertical or horizontal axis wind turbine. The flexible cable may comprise for example an assembly of flexible metallic strands. | 12-29-2016 |
