Matches 1 - 34 out of 34


Match Document Document Title
US20130206900 Pilot Control System with Hand Rest  
According to one embodiment, a control assembly includes a post, a grip, and a hand rest. The post has a top, a bottom, and a body joining the top to the bottom. The grip is positioned at least...
US20130240663 UNDER SWASH LEVELING TOOL FOR RADIO CONTROLLED HELICOPTERS  
A swash leveling tool for radio controlled (RC) helicopters can fit onto the main shaft under the swash plate to provide a level reference plane. Unlike conventional swash leveling tools that...
US20140299708 ROCKET OR BALLISTIC LAUNCH ROTARY WING VEHICLE  
Embodiments of the present invention relate to a rocket or ballistic launch rotary wing air vehicle.
US20060102777 Coaxial rotorcraft control system  
A control system for a coaxial rotorcraft comprises a coaxial rotor set, further comprising an upper rotor actuated by a first drive shaft and a lower rotor actuated by a second drive shaft, the...
US20090179107 Yoke with Notched Arm Roots  
A yoke for a rotary wing aircraft rotor system has a plurality of arms, each arm having a root. Each root has a notched portion configured to allow passage of a portion of a blade-pitch control...
US20140034777 INDEPENDENT BLADE CONTROL SYSTEM WITH HYDRAULIC PITCH LINK  
According to one embodiment, a rotorcraft pitch link includes a housing and a piston assembly. The housing comprises a first chamber and a second chamber. A first housing opening allows a first...
US20090184209 Constant-Velocity Drive System for Gimbaled Rotor Hubs  
A constant-velocity drive system for a rotary-wing aircraft rotor comprising a differential torque-splitting mechanism and a gimbal mechanism is disclosed. A rotary-wing aircraft having a...
US20150060597 Dual Series Pitch Link Bearing  
According to one embodiment, a bearing is situated between a pitch link and a swashplate or a hub. The bearing comprises an outer housing having a first opening therethrough, an intermediate...
US20090242691 SWASHPLATE TRAJECTORY CONTROL  
A system and method of controlling a rotary-wing aircraft includes transforming a non-rate limited servo position command into a rate limited servo position command.
US20090004004 Rotorcraft  
There is described a rotary wing aircraft comprising a fuselage (5), a main rotor (3) rotatable e in a main rotor plane relative to the fuselage for supporting the aircraft in flight, and a...
US20110024555 Purebred and Hybrid Electric VTOL Tilt Rotor Aircraft  
Electrically powered Vertical Takeoff and Landing (VTOL) aircraft are presented. Contemplated VTOL aircraft can include one or more electrical energy stores capable of delivering electrical power...
US20130341458 HYBRID SPHERICAL AND THRUST BEARING  
According to one embodiment, a bearing is situated between a pitch link and a swashplate or a hub. The bearing comprises an outer housing having a first opening therethrough, an elastomeric...
US20120312917 Tilt rotor vertical take-off aircraft - K  
A vertical take-off aircraft comprising a main propeller 1 at the top of the aircraft which consists of an assembly of blades 2, 3, and a rotor 4. A drive assembly 5 rotates the propeller. The...
US20130168492 Adjustable Pitch Link  
According to one embodiment, a pitch link includes a first link, a second link coupled to a first end of the first link, a third link coupled to a second end of the first link opposite the first...
US20150069175 Rotor Position Determination System with Magneto-Resistive Sensors  
According to one embodiment, a method for determining a position of a rotor blade includes receiving a plurality of measurements from a plurality of magneto-resistive sensors and determining a...
US20110114785 BOTTOM BLADE TYPE TREFOIL FLIGHT VEHICLE  
Conventional bottom blade type trefoil flight vehicles have composite structures wherein a plurality of pairs of fixing plates, forward/backward adjustment blades, and left and right rotation...
US20140034779 INDEPENDENT BLADE CONTROL SYSTEM WITH HYDRAULIC CYCLIC CONTROL  
According to one embodiment, a radial fluid device includes a cylinder block having a plurality of radially extending cylinders, a plurality of pistons, and a cam disposed about the plurality of...
US20070012818 Miniature aircraft  
A miniature aircraft 1 has a center axle 22, two rotors 3 and 5 provided substantially axially to the center axle 22 and capable of rotating in opposite directions, rotary wings 34 and 54 provided...
US20070131820 Rotorcraft control system and method of using  
A rotorcraft control system for effectuating primary flight control and high harmonic control. The control system preferably including at least one primary flap, at least one primary actuator used...
US20100308157 MECHANICAL DEVICE FOR COMBINING FIRST AND SECOND CONTROL ORDERS, AND AN AIRCRAFT PROVIDED WITH SUCH A DEVICE  
The present invention relates to a mechanical device (1) suitable for combining first and second pitch control orders for controlling the blade pitch of at least one rotary assembly, the device...
US20140124615 Preventing Rotation of a Fixed Ring of a Swashplate  
According to one embodiment, a rotor system includes an anti-rotation sleeve featuring an outer recess portion and a tilt sleeve positioned about the anti-rotation sleeve and having an opening...
US20140034778 INDEPENDENT BLADE CONTROL SYSTEM WITH ROTARY BLADE ACTUATOR  
According to one embodiment, a rotary blade actuator includes a housing, a vane disposed within the housing, a shaft disposed at least partially within the housing and coupled to the vane. The...
US20120199692 REACTIVE DRIVE ROTOR HEAD WITH EXTERNAL SWASHPLATE  
A rotorcraft is disclosed. The rotorcraft may include an airframe comprising a mast defining an interior cavity, at least one compressor connected to the airframe, and a rotor. The rotor may...
US20130168491 MISSION-ADAPTIVE ROTOR BLADE WITH CIRCULATION CONTROL  
A rotorcraft may include an airframe and a rotor connected to the airframe. The rotor may include a plurality of blades defining ducts along the length thereof and vents in fluid communication...
US20120056031 Method for Compensation of Gyroscopic Forces of a Rotor in a Helicopter  
In order to suppress induction of precession when the rotor (24, 26) of a helicopter is tilted relative to a fuselage (31), the tilt trajectory is supplemented by transverse components. The...
US20100264257 Multi-Bladed Rotor System for Rotorcraft  
A rotor system for a rotorcraft includes a rotor having a plurality of pitch control links and a pair of rotor blades mechanically coupled with each of the plurality of pitch control links. A...
US20130119187 DEVICE FOR VARYING BLADE PITCH OF A LIFT ROTOR  
The present invention relates to a device (10) for varying blade pitch of a rotary wing aircraft (50) having a main rotor (11) with a plurality of blades (12), each blade (12) including at least...
US20110147511 ROTATING WING AIRCRAFT WITH TIP-DRIVEN ROTOR AND ROTOR-GUIDE RING  
A helicopter includes a main rotor guided and protected in minor impacts by a guide-ring. In selected embodiments, the rotor is powered by an electric motor employing a magnetic field generator...
US20120061526 Rotor Blade Spacing for Vibration Attenuation  
A rotor system for a rotorcraft, the rotor system is a rotor hub having six rotor blades attached to a rotor mast via a rotor yoke assembly. Each rotor blade is angularly spaced in 30° and 90°...
US20120175461 ROTOR HUB AND BLADE ROOT FAIRING APPARATUS AND METHOD  
A fairing system may be assembled about a rotor of a rotorcraft to present an aerodynamically quasi-static region that rotates in an airstream, as well as certain extensions that sweep through the...
US20160052626 HYBRID GYRODYNE AIRCRAFT EMPLOYING A MANAGED AUTOROTATION FLIGHT CONTROL SYSTEM  
An aircraft includes at least one propulsion engine, coupled to a fuselage, and configured to provide forward thrust to propel the aircraft along a first vector during forward flight. Each of at...
US20150298803 ADJUSTABLE SCISSOR CONTROL LINK  
A control link disposed to transfer rotor shaft rotation from an elongate element rotatable with a shaft to a rotatable element is provided and includes a structure terminating at a first end...
US20150274290 FOLDING OF ROTORCRAFT ROTOR BLADES  
According to one embodiment, a rotor blade rotation system includes a hub, a rotor blade in mechanical communication with the hub and pivotable about an axis of rotation, a swashplate, a pitch...
US20140299709 LOW DRAG ROTOR SYSTEM  
A rotor assembly includes a rotor hub rotatable about a central axis including a plurality of rotor hub arms and blade yokes, each blade yoke including yoke arms located at opposing lateral sides...

Matches 1 - 34 out of 34