Matches 1 - 37 out of 37


Match Document Document Title
US20150211483 Wind Turbine and Tower System  
The disclosed wind turbine utilizes adjustable blades, forcing wind into channels away from the rotational axis. These channels direct wind to conversion surfaces a desirable distance from the...
US20080232965 Articulated False Seabed  
A support system for at least one water drivable turbine (1) that when in operation is immersed in a column of flowing water, characterized in that the system includes a deck or raft (3) for...
US20110268572 HIDE-AWAY WINDMILL  
A hide-away windmill is exposed to the wind for use and covered or hidden for storage. In one version, the windmill has a support tower that is extendable and retractable within another housing....
US20120061522 Wavy airfoil  
This invention uses a novel shape of airfoil to achieve an improved lift to drag ratio and to improve performance at higher angles of attack. The airfoil has a three dimensional wave pattern that...
US20110150652 TURBINE ASSEMBLIES  
A turbine is described. The turbine includes: (i) a shaft capable of rotation along its longitudinal axis and capable of connecting to an electrical generator, and the shaft having disposed...
US20080056898 Outdoor umbrella with ventilation arrangement  
An outdoor umbrella includes a supporting frame, an awning frame and a ventilation arrangement. The awning frame includes a functional umbrella hub suspendedly supported by the supporting frame, a...
US20090102415 Suitcase power system  
A closeable case includes a power system stored in an interior of the closeable case. The closeable case includes a power system, and at least a portion of the power system is integral to the...
US20090257874 Vertical axis windmill with weather vane positioning  
Large flat blades are put on the ends of long lever arms to maximize the torque produced at a central vertical shaft. Pivoting each blade on its own axis allows it to be positioned to best...
US20090096217 Wind turbine with perimeter power takeoff  
The horizontal axis wind turbine of this invention has a space frame structure that enables a light weight blade system to force rotation of numerous small wheels into rolling contact with the...
US20070201982 VENTILATOR AND VENTILATOR BLADE  
The invention provides a ventilator blade (1) with a loading edge (2) curved in the shape of an S in the blade sheet plane; and an outside edge (4) that is shorter than the leading edge, in which...
US20080114339 Heart assist device with expandable impeller pump  
An impeller includes a hub and at least one blade supported by the hub. The impeller has a stored configuration in which the blade is compressed so that its distal end moves towards the hub, and a...
US20080296197 METHOD AND APPARATUS FOR CONTAINING, STORING AND/OR TRANSPORTING CURVED WIND TURBINE ROTOR BLADES  
A retaining apparatus for securing curved wind turbine rotor blades for at least one of storage and transport is described. The retaining apparatus comprises an end frame configured to be...
US20120039713 Article Comprising an Impeller II  
An impeller for use in conjunction with a percutaneously-insertable blood pump or other rotatable equipment includes a blade that is segmented into a plurality of overlapping or abutting...
US20110042958 COLLAPSIBLE VERTICAL-AXIS TURBINE  
A collapsible vertical-axis turbine for wind or hydro applications is provided, comprising a plurality of vertical blades hingedly connected to a plurality of support arms, a tower having a...
US20140291440 VEHICLE  
The present invention discloses a vehicle (1) capable of being converted between a flying condition and an automotive riding condition. The vehicle has a telescopically extendable tail (10)...
US20090016883 Method and device for fans  
Fans with wings that detach, fold or twist for the purpose of cleaning, transport and storage. The twisting embodiment can be used for adjusting the force of the air and its direction. The...
US20080196758 Portable, self-sustaining power station  
A self-sustaining, portable, power station that may be moved by land, air, or sea to an area that has no utilities. The station is provided with at least one wind turbine and/or solar panel arrays...
US20080232966 Detachable blade assembly for horizontal-axis wind turbine  
A blade assembly for a horizontal-axis wind turbine includes a hub, and a plurality of detachable blade units each mounted on a periphery of the hub and each including a plurality of blades...
US20120132117 SET OF STOWABLE RIGID SAILS  
A set of rigid sails that have an aerodynamic profile and that may be secured to a boat.
US20130303830 IMPELLER FOR CATHETER PUMP  
An impeller for a pump is disclosed herein. The impeller can include a hub having a fixed end and a free end. The impeller can also have a plurality of blades supported by the hub. Each blade can...
US20120183400 ROTATING-BLADE VERTICAL-AXIS WIND TURBINE  
To provide a rotating-blade vertical-axis wind turbine capable of improving wind turbine efficiency and dealing with strong winds as well as capable of upsizing. For that, a rotating-blade...
US20090224098 COMPACT STOWAGE OF TRANSPORT AIRCRAFT  
Substantial reduction in aircraft stowage space can be achieved by stacking aircraft using minimal or no folding of parts of the aircraft. This results in reduced complexity and reduced cost...
US20150152878 EXPANDABLE IMPELLER PUMP  
An impeller includes a hub, and a plurality of blades supported by the hub, the blades being arranged in at least two blade rows. The impeller has a deployed configuration in which the blades...
US20110236210 EXPANDABLE IMPELLER PUMP  
An impeller includes a hub, and a plurality of blades supported by the hub, the blades being arranged in at least two blade rows. The impeller has a deployed configuration in which the blades...
US20100301607 UPWIND WIND TURBINE AND OPERATION METHOD THEREOF  
An upwind wind turbine (1) of the present invention includes a tilting coupling mechanism (15), a tilting drive means (40) and a rotation stop means (18). The tilting coupling mechanism (15) is...
US20170121018 LIGHT WEIGHT RIGID ROTOR WITH BLADE FOLD CAPABILITY  
A rotor blade rotated about a rotor hub is provided including a first section configured to mount to the rotor hub. The first section includes a spindle and an inboard torque tube surrounding a...
US20160368598 HELICOPTER BLADE FOLDING APPARATUS  
The present invention relates to a blade folding apparatus that may incorporate an overhead blade lifting system that reduces binding loads on blade pins induced by blade weight and pitch, and a...
US20160318600 MECHANICALLY SELF-REGULATED PROPELLER  
Generally, a mechanically self-regulating propeller is described which may have a central hub unit disposed around a shaft member, at least two blades coupled to the central hub unit, at least one...
US20160122034 ICE-SHEDDING SPINNER FOR RAM AIR TURBINE  
A ram air turbine movable between a stowed position and a deployed position is provided including a rotatable hub assembly. A hub face is arranged at a first end of the rotatable hub assembly. The...
US20160001879 FOLDING PROPELLERS SYSTEM  
Folding propeller system for safe packing and shipping, and easy deployment.
US20150152844 FOLDING BLADE WIND TURBINE  
A wind turbine is provided. The turbine includes a support having an axis of rotation, a generator, a plurality of blades rotatably mounted on the support about the axis of rotation, the blades...
US20120292456 Method and Apparatus for In-Flight Blade Folding  
A foldable rotor system for a rotorcraft, the foldable rotor system comprising a rotor assembly operably associated with a driveshaft, the driveshaft being operable associated with an engine, the...
US20120142994 COMPRESSIBLE AND EXPANDABLE BLADE FOR A FLUID PUMP  
The invention relates to a compressible and expandable blade for the rotor of a fluid pump having at least two lamellae which are disposed adjacently, are pivotable respectively relative to an...
US20120134824 Lightweight, Collapsible Axial Wind Generator  
A wind generator that includes a lightweight, collapsible blade assembly mounted on a supporting structure that holds the blade assembly in fixed position that is exposed to low to moderate winds....
US20120121417 BLADE-RETAINING DEVICE FOR TURBOMACHINE PROPELLER  
An aircraft turbomachine propeller including multiple blades assembled on a hub rotating around an axis of rotation of the propeller, that can reduce risks of loss of the blade following impact of...
US20120014796 KITE FAN BLADE  
A fan blade for a ceiling fan includes a blade member and a support for the blade member. The blade member and the support are disassembled in a first mode to occupy a compact space for storage...
US20110253831 Foldable rotor blade for toy helicopter  
A toy helicopter includes a body, a rotor arrangement for generating a rotational power, and a foldable propeller blade including a bracket member coaxially mounted to the rotor arrangement and at...

Matches 1 - 37 out of 37