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Pillow with retractable umbrella
A pillow assembly having a supporting assembly and a retractable umbrella assembly that is easily transportable and allows a user to support his/her head while covering their face from sunlight.
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| Number | Title | Issue Date |
| 8186951 | Mounting assembly for a propeller system component A mounting assembly for a propeller assembly component includes a monolithic piece having a housing and a mounting pad. An auxiliary component is directly mounted to the mounting pad of the monolithic piece. ... | 05/29/2012 |
| 8172532 | Device for adjustment of a rotor blade, wind energy converter, and method for adjusting a rotor blade A method for adjusting a pivotally mounted rotor blade of a wind energy converter includes controlling a first drive and a second drive to collectively turn the rotor blade into an operating position; detecting whether a failure of the first drive has occurred; acti... | 05/08/2012 |
| 8157523 | Method for the operation of a wind energy plant The invention relates to a method for the operation of a wind energy plant (10), wherein the wind energy plant (10) has a rotor (11) with a rotor axis and at least one rotor blade (15, 15′) arranged on the rotor (11), wherein the... | 04/17/2012 |
| 8123480 | Sensor setup for determination of deflection and/or strain An elongated member of a wind turbine is disclosed which is potentially subject to strain and which comprises a sensor unit for determining the deflection and/or strain of the elongated member between a first point and a second point, which are assigned to the same ... | 02/28/2012 |
| 8109723 | Device and method for controlling wind turbine In a conventional technique, a shutdown sequence indicating a sequential operation from a start of the feathering of a wind turbine to the stop is started in response to an alert signal caused by an external factor. In the present invention, when the alert is called... | 02/07/2012 |
| 8092174 | Wind turbine and method for determining at least one rotation parameter of a wind turbine rotor A method of determining at least one rotation parameter of a wind turbine rotor rotating with a rotation speed and a phase is provided. The method comprises the steps of: measuring an effective centrifugal force acting in a first pre-determined direction, which is d... | 01/10/2012 |
| 8083482 | Method and system for limiting blade pitch A method for limiting blade pitch is provided. The method includes providing a brake assembly that is actuatable to limit blade pitch, providing a limit stop assembly including a stop wheel and a traveler movable relative to the stop wheel, and coupling the limit st... | 12/27/2011 |
| 8075267 | Method and sensor setup for determination of deflection and/or strain for failure detection A method for determining the deflection and/or strain of an elongated member of a component is provided, in which a first point and a second point are assigned to the same side of an elongated member of the component, wherein the deflection and/or strain of the elon... | 12/13/2011 |
| 8070439 | Systems and methods for testing a wind turbine pitch control system Certain embodiments of the invention may include systems and methods for testing a wind turbine pitch control system. According to an exemplary embodiment of the invention, a method for testing a wind turbine pitch control system is provided. The method can include ... | 12/06/2011 |
| 8057175 | Active control of a wind turbine blade A method and system for increasing power production of a wind turbine including a rotor, at least one rotor blade coupled to the rotor, at least one sensor, and a controller communicatively coupled to the sensor. A flow parameter of the rotor blade is detected, and ... | 11/15/2011 |
| 7988415 | Lightning protection for wind turbines A rotor blade for a wind turbine is provided. The rotor blade includes a rotor blade body, at least one receptor adapted to be a location for lightning impact, and at least one down conductor connected to the receptor and located within the rotor blade body. The dow... | 08/02/2011 |
| 7985047 | Expandable line support for wind turbine A wind turbine includes a tower; a blade for rotating on the tower; a rotor shaft, connected to the blade, having an axial hole; a line, arranged in the hole, for carrying a signal; a support, wrapped around the line inside the hole, for spacing the line from the ro... | 07/26/2011 |
| 7976275 | Wind turbine rotor blade assembly having an access window and related methods A rotor blade assembly having an access window and methods for assembling a rotor blade are disclosed. The rotor blade assembly may generally include a first shell component and a second shell component. The first shell component may be secured to the second shell c... | 07/12/2011 |
| 7955052 | Load sensing on a rotor blade of a wind power plant A rotor blade of a wind power plant, comprising a rotor blade connection for connection to a hub of the rotor of a wind power plant and a blade tip disposed at the opposite end of the rotor blade. In order to provide a rotor blade in which flexing can be detected wi... | 06/07/2011 |
| 7934905 | Wind energy system having an insect sensor The invention relates to wind energy systems. A wind energy system is provided having an insect sensor. The insect sensor is adapted for measuring the insect density in the air. Further, a method for operating a wind energy system taking into account the insect dens... | 05/03/2011 |
| 7909575 | Power loss reduction in turbulent wind for a wind turbine using localized sensing and control A wind turbine blade assembly includes at least one local load sensor disposed on and/or within a surface of the wind turbine blade and at least one active flow modification device disposed on and/or within a surface of the wind turbine blade and configured to alter... | 03/22/2011 |
| 7896614 | Wind turbine blade with integrated stall sensor and associated method of detecting stall of a wind turbine blade A wind turbine includes an electrical stall sensor configured on a pressure surface of at least one turbine blade at a location to detect backflow in a stall condition. The stall sensor includes a flap pivotally configured on the respective pressure surface so as to... | 03/01/2011 |
| 7896615 | Wind turbine blade with strain sensing means, wind turbine, block sensor unit and uses hereof A wind turbine blade with strain sensing functionality includes a surface structure, a block sensor unit including an optical sensor mechanism for sensing strain in the blade, and an intermediate connection plate positioned in between the optical sensor mechanism an... | 03/01/2011 |
| 7883319 | Method and device for monitoring the state of rotor blades on wind power installations The invention relates to a method and a device for monitoring the state of rotor blades on wind power installations. According to the invention, structure-borne noise is measured by means of at least one displacement sensor arranged on the rotor blade, the output si... | 02/08/2011 |
| 7806657 | Device for detecting damage of a wind energy turbine rotor blade due to a lightning strike The device for detecting damage of a wind energy turbine of a wind energy turbine rotor blade, due to a lightning strike, comprises several magnetic or electric field sensors distributed along the length of a rotor blade of the wind energy turbine for measuring the ... | 10/05/2010 |
| 7726943 | Rotor blade for a wind energy installation The invention relates to a rotor blade (22) for a wind energy installation (10), with the rotor blade (22) having at least one cavity (28). The cavity (28) is sealed to be gas-tight and is filled with gas, in particular air, in ord... | 06/01/2010 |
| 7594797 | Load sensing on a rotor blade of a wind power plant A rotor blade of a wind power plant, comprising a rotor blade connection for connection to a hub of the rotor of a wind power plant and a blade tip disposed at the opposite end of the rotor blade. In order to provide a rotor blade in which flexing can be detected wi... | 09/29/2009 |
| 7473077 | System for monitoring damage to a rotor blade of a rotary-wing aircraft A rotary-wing aircraft rotor blade (23) includes (semi)conductive loops (10) extending along axes (19A to 19C, 19W to 19Z) that are oblique relative to the longitudinal axis (26) of the blade. Impedance changes in the... | 01/06/2009 |
| 7431567 | Wind turbine having a direct-drive drivetrain A wind turbine (100) comprising an electrical generator (108) that includes a rotor assembly (112). A wind rotor (104) that includes a wind rotor hub (124) is directly coupled to the rotor assembly via a simplified connection. The ... | 10/07/2008 |
| 7416389 | Methods and apparatus for assembling rotatable machines Methods and systems for ordering blades in a rotatable machine is provided. The method includes receiving at least one geometric parameter measurement of each blade in a row of blades, determining a root sum squared value of a difference of a selected one of the rec... | 08/26/2008 |
| 7400054 | Method and assembly for detecting blade status in a wind turbine Transponder technology is incorporated into the blades of a wind turbine to make it possible to transfer data wirelessly from each said blade to the associated tower. By providing a transponder including an RFID device in or on each of the blades and providing a rea... | 07/15/2008 |
| 7385305 | Wind power generator and bearing structure therefor The invention relates to a wind power current generator comprising a bearing, a tubular stator that carries a race of the bearing, a tubular rotor coaxial with the tubular stator that can rotate in relation to the stator, a hub connected to the rotor, and at least t... | 06/10/2008 |
| 7368827 | Electrical assembly for monitoring conditions in a combustion turbine operating environment An electrical assembly for use in various operating environments such as a casing of a combustion turbine 10 is provided. The assembly may include an electrical energy-harvesting device 51 disposed in a component within the casing of the turbine to con... | 05/06/2008 |
| 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 |
| 7351033 | Wind turbine load control method A method for limiting loads in a wind turbine by using measured loads or wind speed to increase the minimum pitch angle for extended periods. The minimum pitch angle will be allowed to relax down to the default when load excursions diminish. The method will allow tu... | 04/01/2008 |
| 7351034 | Impeller device for data acquisition in a flow This invention relates to an impeller device for data acquisition in a flow. It comprises a support (3) with two bearing blocks (4.1, 4.2) to hold a spindle (2) around which the impeller (1) is fitted. The spindle (2) comprises two... | 04/01/2008 |
| 7347667 | Wind power installation This relates to a wind power installation comprising a pylon (tower) and a rotor arranged on the pylon and having at least one individually adjustable rotor blade. The wind power installation further comprises a device to detect the wind direction, a device to detec... | 03/25/2008 |
| 7341428 | Turbine blade for monitoring torsional blade vibration The claimed invention provides a blade vibration measuring system comprising a blade, a transmitter, a target with parallel edges located on the blade shroud and a receiver. The present invention also provides a blade adapted for measuring torsional blade vibration.... | 03/11/2008 |
| 7342323 | System and method for upwind speed based control of a wind turbine A method for controlling power output of a wind turbine generator in response to an anticipated change in wind speed is provided. The method includes sensing wind speed at a desired distance from the wind turbine generator in a direction of the wind. The method furt... | 03/11/2008 |
| 7322794 | Method and apparatus for condition-based monitoring of wind turbine components Condition-based monitoring functionality using sensors that monitor wind turbine component movement. A main shaft flange displacement sensor system can be used to provide signals used to perform fatigue assessment of the wind turbine rotor blades as well as drive tr... | 01/29/2008 |
| 7320735 | Fan cleaning method and apparatus A simple yet effective system for cleaning fans and air circulators facilitates the cleaning of ceiling and hard-to-reach units without having to remove the blades or other parts to be cleaned. A flexible bag encloses parts of a fan to be cleaned. A source of compre... | 01/22/2008 |
| 7318701 | Ceiling fan lighting system A ceiling fan lighting system includes a ceiling fan having motor and a plurality of blades operationally coupled to the motor to permit rotation of the blades when the motor is supplied with power. A plurality of mounting assemblies engages at least two of the blad... | 01/15/2008 |
| 7315799 | Method of and article of manufacture for determining probability of avian collision A method of calculating probability of collision by birds within a wind park includes modeling a wind turbine to create a wind-turbine model, modeling a challenged bird to create a challenged-bird model, modeling a wind park to create a wind-park model, the wind par... | 01/01/2008 |
| 7309930 | Vibration damping system and method for variable speed wind turbines A vibration damping technique for a wind turbine system is described. The wind turbine system includes a vibration damper, which provides a variable signal to control torque produced by a generator of the wind turbine system. The variable signal is based on generato... | 12/18/2007 |
| 7303373 | Wind turbine systems, monitoring systems and processes for monitoring stress in a wind turbine blade Wind turbine systems, monitoring systems, and processes for measuring stress in a wind turbine blade generally includes embedding and or disposing optical glass fibers on a surface of the wind turbine blade and monitoring light transmission through the optical glass... | 12/04/2007 |
