Matches 1 - 21 out of 21


Match Document Document Title
US20090269200 Rotor Hub Systems and Methods  
A rotorcraft is equipped with a rotor hub of large diameter in order to accommodate high loads from a hingeless rotor. In preferred embodiments, a rotorcraft has a rotor disposed on a mast with...
US20110262272 TILT ADJUSTMENT SYSTEM  
A wind energy system is provided with said wind energy system including a hub pivotable about a rotation axis, a first bearing connected to said hub, a tapered adapter, a second bearing connected...
US20080118356 HUB FOR A HORIZONTAL AXIS WIND TURBINE  
To provide a lightweight hub of a horizontal axis wind turbine with a balanced strength, the hub 1 related to the present invention comprises a reinforcement plate 4 coupled to the spherical shell...
US20120288372 TEETER-RESTRAINT DEVICE FOR WIND TURBINES  
A wind turbine system includes a shaft, a rotor for driving the shaft, and a first fluidic teeter control assembly. The rotor includes a first blade engaged to the shaft by a hub, and has a degree...
US20080304969 BUILT-IN SWING MECHANISM OF ROTARY FAN  
The present invention provides an improved built-in swing mechanism of a rotary fan. The mechanism includes a ball-and-socket support frame, arranged onto front wall of the main casing...
US20080267778 Torque Coupling for Rotary-Wing Aircraft  
A torque coupling (13) for a rotor head (11) of a rotary-wing aircraft has upper and lower plates (29, 31) configured for rotation with a rotor mast (19). Drive links (33) pivotally connected to...
US20130224025 Offset Stacked Yoke Hub for Tiltrotor Aircraft  
A tiltrotor rotor hub comprises first and second configurations of yokes arranged in two parallel and axially offset planes, each having an equal number of two or more yokes substantially equally...
US20130105636 Rotor System Anti-Rotation Wear Protector  
A rotating control system includes a member having at least one clevis defined by a pair of clevis arms disposed in a clevis plane, the at least one clevis having an axis of symmetry disposed in...
US20150252785 ROTARY MECHANISM COMPRISING A MODIFIED ROBERTS' LINKAGE  
A rotary mechanism comprising a first component (a wind turbine hub base), and a second component (a wind turbine blade base); configured for coaxial rotation relative to one another around a...
US20150050148 ROTOR BLADE CONTROL DEVICE  
A rotor blade control device for a helicopter, comprising a swash-ring, said swash-ring comprising a non-rotating component of the swash-ring, coupled in a non-rotatable manner to the helicopter,...
US20140271204 Tiltrotor Control System With Two Rise/Fall Actuators  
A rotor system for rotor aircraft comprises a rotor hub comprising a plurality of rotor blades, a rotatable rotor mast coupled to the rotor hub, a swashplate assembly comprising a non-rotating...
US20120183401 MAIN ROTOR ARRANGEMENT OF AN UAV-HELICOPTER  
A main rotor arrangement for an UAV-helicopter. A rotor mast defines a vertical axis of rotation. A hub is for attachment of rotor blades. The hub is mounted to the rotor mast in a tiltable way so...
US20150226174 ROTOR D'HYDROLIENNE COMPORTANT AU MOINS UNE PALE MOBILE EN ROTATION AUTOUR D'UN AXE RADIAL ET DES MOYENS DE LIMITATION DU MOUVEMENT EN ROTATION DE LADITE PATE, ET HYDOLIENNE COMPREANT UN TEI ROTOR  
This hydrokinetic rotor is arranged to be rotated by a flow of a liquid. This rotor comprises of an inner ring, an outer ring and at least one blade (24) extending between the inner ring and the...
US20140161614 ROTATIONAL SUPPORT OF A WIND TURBINE BLADE  
The invention resides in an assembly for rotationally supporting a wind turbine blade (110) relative to a wind turbine hub (120). The assembly comprises an intermediate ring (130) having an inner...
US20170174341 FAILURE TOLERANT ROTOR BLADE PITCH ANGLE CONTROLLING DEVICE  
A mechanically simple rotor system is a novel mechanism that collectively drives the pitch of the rotor blades by combining the input from three separate servos. Each servo can be controlled by...
US20170106955 DEVICE FOR CHANGING PROPELLER POSITION  
A propeller position changing device which is capable of changing position according to cruise conditions of a vessel of a floating type.
US20170022973 UPWIND WIND TURBINE  
An upwind wind turbine includes: a hub provided so as to be rotatable around a rotation axis; a plurality of blades configured to rotate together with the hub; a tilting mechanism configured to...
US20160083077 SINGLE BLADE PROPELLER WITH VARIABLE PITCH  
An improved performance propeller employs a single propeller blade having an axis of rotation and a centripetal force about the axis. A pitch control unit is mounted opposite the single propeller...
US20150285262 DEVICE AND METHOD FOR CONTROLLING THE PITCH OF BLADES  
The invention concerns a device (1) for controlling the pitch of the blades of a fan (4) rotor (3), comprising a radial shaft (6) linked to the blade, a connection rod (8) of which the axial...
US20120230824 ROTOR ASSEMBLY  
A rotor assembly for helicopter vehicles for stabilizing the aircraft and thus providing an easy way of controlling pitch and roll of the aircraft by respectively associated magnetic actuators....
US20110293427 ROTOR BLADE CAMBER ADJUSTMENT  
A rotor for a rotary wing aircraft is provided, which includes a hub and a number of rotor blades. Each rotor blade includes an elongate central body that has a leading edge and a flap along the...

Matches 1 - 21 out of 21