Assignee: Bell Helicopter Textron Inc.

Location: Hurst, TX
No. of patents: 25

Number	Title	Issue Date
8133155	Multi-ratio rotorcraft drive system and a method of changing gear ratios thereof A multi-ratio rotorcraft drive system and a method of changing gear ratios thereof are disclosed. According to one embodiment, the multi-ratio rotorcraft drive system comprises a rotor system comprising one or more rotors and one or more engines. Each engine of the ...	03/13/2012
8016566	High performance low noise rotorcraft blade aerodynamic design One embodiment of the present invention is a main rotor helicopter blade for generating higher lift with less drag and delaying stall at high Mach numbers. A cross-section of this blade includes aft camber. The difference between a chord line of the cross-section an...	09/13/2011
7854590	Rotor blade visual lights A rotorcraft, such a helicopter or a tiltrotor aircraft, includes a light emitting device configured to provide light at a tip of a rotor blade. The light emitting device includes a light emitting diode arranged on the rotor blade, and a power source, wherein the po...	12/21/2010
7762501	Method and apparatus for improving main rotor yoke fatigue life A method and system for optimizing rotor flapping utilizes the collective stick position and true airspeed to determine a commanded longitudinal stick position. ...	07/27/2010
7665969	Assembly for providing flexure to blade system An assembly for providing flexure to a blade of a rotary blade system, the assembly including an upper support plate having an upper curved surface, a lower support plate having a lower curved surface, and a yoke positioned therebetween. At least one of the upper an...	02/23/2010
7660092	Network bus coupler and system A system for coupling an avionics component to a bus includes a junction box electrically coupled to the avionics component and to the bus. A circuit card disposed in the junction box includes a plurality of sockets. The some of the sockets are electrically connecte...	02/09/2010
7617024	Automatic heading control system for tiltrotor aircraft and helicopters One embodiment of the present invention is a method for automatically reducing the effect of a component of an external force that is laterally incident on a rotorcraft. A signal of the rotorcraft indicative of and proportional to the component is monitored. An abso...	11/10/2009
7585156	Strained capable conductive/resistive composite hybrid heater for thermal anti-ice device A rotor blade of a helicopter is presented. In an embodiment, the rotor blade includes a body; and a heating mat arranged in the body and configured to supply heat to said body. The heating mat includes a first plurality of fibers and a second plurality of fibers el...	09/08/2009
7571879	Automatic conversion system for tiltrotor aircraft One embodiment of the present invention is a method for automatically controlling the conversion of a tiltrotor aircraft. An airspeed command for the tiltrotor aircraft is received. The airspeed command is converted to a pylon position. A difference between the airs...	08/11/2009
7506904	Door handle lock assembly with automatic lock and retract A door handle lock assembly includes a housing configured to be attached to a door. A interconnecting member is rotatably and axially movably supported by the housing. A first handle is fixed to the interconnecting member at a first end of the interconnecting member...	03/24/2009
7462780	Molded electronic assembly A molded electronic assembly of the present invention includes a wiring harness with connectors connected thereto, and a molded body formed to encapsulate the wiring harness and provide access to the connectors. The molded may comprise a plastic material such as pol...	12/09/2008
7414544	Power situation indicator A power situation indicator configured to provide power information in a rotorcraft is presented. The power situation indicator includes a detection unit configured to detect a current value of each of a plurality of control parameters, each of the plurality of cont...	08/19/2008
7288933	Position detecting system that self-monitors for connectivity faults A system for detecting position that is capable of self-monitoring for connectivity faults. In one embodiment, the system comprises a transformer, an excitation potential source, a bias potential source, and a processor. ...	10/30/2007
7275717	Helicopter one-piece door An aircraft vehicle includes a body, including a front portion and a rearward tail portion, a single panel door constructed and arranged to close an access opening defined in a lower portion of the body, and a linkage between the body and the door. The linkage is co...	10/02/2007
7109619	Damper support assembly for a supercritical drive shaft A support system, a bracket assembly, and a damping member for use in supporting a rotating shaft. A support system including a fixed bracket; a bracket assembly; and a bearing. The bracket assembly having a first damping member having a first fixed end and a second...	09/19/2006
7101135	Self-aligning nut plate A nut assembly includes a base plate and a nut. The base plate includes a bearing surface with bore for the passage of a bolt or the like therethrough. The nut includes a bearing surface engaged with the bearing surface of the base plate. The said nut includes a bor...	09/05/2006
6917908	Method of pilot training using simulated engine failure The present invention relates to software for training an aircraft pilot to respond to the failure of one or more engines of a multi-engine aircraft during flight. The software simulates engine failure through the use of software imposed power output limits on the o...	07/12/2005
6732982	Laterally adjustable clamp A clamp that is laterally positionable with respect to a fastener includes a clamp body including a pair of opposable legs. Each of the legs includes an elongated hole adapted to movably engage the fastener. One of the legs includes a locking surface. A locking wash...	05/11/2004
6439849	Dual trunnion hub-to-mast assembly The present invention comprises an apparatus for mounting two or more tail rotor hubs to a tail rotor mast. The apparatus comprises a mast having an externally-splined inboard section shaped and sized to mate with an internal spline on an inboard trunnion...	08/27/2002
6431530	Vertical liquid inertia vibration isolator A vibration isolator (10) for isolating the vibration of two bodies that are connected together is disclosed. The vibration isolator (10) comprises an inner cylinder (16) and a pair of outer housings (12, 14) concentrically bonded together with elastomer ...	08/13/2002
6427308	Support assembly for a rotating shaft A support assembly for supporting a rotating shaft relative to a structure in which a first magnetized member is attached to the shaft for rotation therewith, a support member is connected to the structure and at least one damper member connects the suppo...	08/06/2002
6220545	Method and apparatus for sensing preload in a tilt rotor downstop A improved tilt rotor aircraft comprising an airframe, at least one wing member coupled to the airframe, and at least one tilt rotor assembly carried by the at least one wing member. The tilt rotor assembly is actuated by a conversion actuator. The improv...	04/24/2001
5722522	Overrunning multiple-row sprag clutch An overrunning multiple-row sprag clutch is provided comprising an annular outer race, an inner race positioned concentrically within the outer race to define an annular space therebetween, and two or more discrete annular sprag rows, each having a plural...	03/03/1998
5716686	Tackified fabric material and process for manufacture A quantity of fluid resin material is rendered into a flowable state without the use of solvents. The fabric then is beaded with at least one elongate bead of the flowable resin, wherein at least a portion of bead remains on the surface of the fabric to t...	02/10/1998
5647726	Rotor system vibration absorber A vibration absorber having a mass member which when static is supported by in-plane springs spaced apart from a base plate, top plate and spring retaining structures. The mass member has a bumper surface for contacting a motion limiter in the base plate....	07/15/1997

PatentStorm

Bizarre Patents

PatentStorm News

Assignee: Bell Helicopter Textron Inc.