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Patent

Bell Awarded Patent for Autorotative Enhancement System

Bell Awarded Patent for Autorotative Enhancement System

Embodiments refer generally to systems and methods for providing autorotative enhancement for helicopters using an autorotative assist unit coupled to the transmission of the helicopter. Methods of utilizing an autorotative assist unit as well as retrofitting an autorotative assist unit to an existing helicopter are also disclosed. By employing an autorotative assist unit, improved autorotation can be achieved… Read more »

Source: USPTO, 01-Oct-18

Goodrich Lighting Systems Awarded Patent for Helicopter Search Light

Goodrich Lighting Systems Awarded Patent for Helicopter Search Light

A helicopter search light comprises a lighting arrangement comprising at least one light source and having an adjustable light output; a light detector, which is configured for detecting light reflected by the ground and/or at least one item on the ground and for providing a detection signal which is correlated to an amount of light detected; and… Read more »

Source: USPTO, 01-Oct-18

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Bell Awarded Patent for Tip Rib Mounted Pylon Assemblies

Bell Awarded Patent for Tip Rib Mounted Pylon Assemblies

A pedestal assembly receives a pylon assembly of a tiltrotor aircraft having an airframe including a fuselage and a wing. The pedestal assembly includes inboard and outboard tip ribs that extend above the wing and respectively define inboard and outboard slots. The pedestal assembly also includes inboard and outboard bearing cartridges. The inboard bearing cartridge… Read more »

Source: USPTO, 10-Sep-18

Phi Helipass Awarded Patent for Kiosk for Energy Industry Logistics

Phi Helipass Awarded Patent for Kiosk for Energy Industry Logistics

An automated kiosk and related apparatus provide check-in and boarding services to energy sector passengers, such as helicopter passengers. Preferably, the kiosk and related apparatus can take and store a picture of the passenger, calculate and/or measure the weight of the passenger and the passenger’s luggage, print luggage tags and boarding printouts, check third parties’ databases (such… Read more »

Source: USPTO, 29-Aug-18

Breeze-Eastern LLC Awarded Patent for Helicopter Hoist Systems

Breeze-Eastern LLC Awarded Patent for Helicopter Hoist Systems

A helicopter-hoist system is described. The system may include: hoist equipment, illumination systems, range-measuring equipment, camera(s), communication systems, display devices, processing/control systems including image-processing systems, and power-management systems. The system may also include a smart-hook for measuring a load on the hook. Based on the measured load on the cable, the lighting may be illuminated in… Read more »

Source: USPTO, 22-Aug-18

Hinks Awarded Patent for Negative Spring Compensation

Hinks Awarded Patent for Negative Spring Compensation

Elastomeric bearings exhibit a reactive positive spring effect, i.e., they produce an opposing torque or force when angular displacement or translation is applied upon them, due to shear stress developed within their elastomer parts. The present invention incorporates a device that exhibits an increasingly strong torque or force in the same direction as the displacement,… Read more »

Source: USPTO, 21-Aug-18

Meron Awarded Patent for Helicopter Transmission Test Rigs

Meron Awarded Patent for Helicopter Transmission Test Rigs

A test rig of the closed loop type for testing power transmission units of any geometry, in particular helicopter transmissions, comprising drives with friction belts, flat belts in particular. The belt drives have pulleys with diameters that compensate for the creep in the belts. In some embodiments, the test rig comprises `slave` transmissions. In some embodiments the… Read more »

Source: USPTO, 19-Jun-18

Merlin Technology awarded patent for helicopter emergency collective actuator

Merlin Technology awarded patent for helicopter emergency collective actuator

An emergency collective actuator includes an actuator motor to produce an actuation force and an actuator linkage that directly engages a friction control lever that is pivotally supported on the collective stick of a helicopter to apply the actuation force directly to the friction control lever such that the actuation force initially disengages the friction control and… Read more »

Source: USPTO, 21-May-18

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AgustaWestland Limited awarded patent for Gearbox lubrication

AgustaWestland Limited awarded patent for Gearbox lubrication

A helicopter tail rotor gearbox including a housing, an output shaft for connection to a tail rotor rotatably supported in the housing and having an open end therein, an input member rotatably supported in the housing, gearing providing a power transmitting connection between the input member and output shaft, a pitch control shaft for effecting a change… Read more »

Source: USPTO, 01-Mar-18

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Phoenix Products awarded patent for Helicopter drip pan

Phoenix Products awarded patent for Helicopter drip pan

A drip pan apparatus for use in a helicopter includes a drip pan and a frame having a plurality of frame sides and a plurality of frame corners that define an inwardly-facing peripheral surface. A first frame angle is formed between a first inwardly-facing surface and a second inwardly-facing surface. The first frame angle is an acute… Read more »

Source: USPTO, 01-Mar-18

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Airbus awarded patent for method of determining Helicopter ground speed

Airbus awarded patent for method of determining Helicopter ground speed

A method of determining the longitudinal air speed V.sub.airX and the longitudinal ground speed V.sub.solX of a rotary wing aircraft depending on the exposure of the aircraft to the wind, the aircraft flying at a speed of advance Va. The method making it possible to determine characteristic speed curves for the aircraft depending on the… Read more »

Source: USPTO, 17-Jan-18

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Bell awarded patent for Tiltrotor aircraft having spherical bearing mounted pylon assemblies

Bell awarded patent for Tiltrotor aircraft having spherical bearing mounted pylon assemblies

A propulsion system for a tiltrotor aircraft includes an engine supported by the airframe and a fixed gearbox operably coupled to the engine. Inboard and outboard pedestals are supported by the airframe and positioned above the wing. A pylon assembly is rotatably coupled between the inboard and outboard pedestals. The pylon assembly includes a spindle… Read more »

Source: USPTO, 17-Nov-17

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Merlin Technology awarded patent for Rotorcraft autopilot and methods

Merlin Technology awarded patent for Rotorcraft autopilot and methods

A helicopter autopilot system includes an inner loop for attitude hold for the flight of the helicopter including a given level of redundancy applied to the inner loop. An outer loop is configured for providing a navigation function with respect to the flight of the helicopter including a different level of redundancy than the inner loop. An actuator provides a braking… Read more »

Source: USPTO, 22-Sep-17

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Airbus awarded patent for Rotor drive system

Airbus awarded patent for Rotor drive system

A rotor drive for a tail rotor of a helicopter is provided. The system includes a stator and a rotor mounted to the stator with a rotatable central carrier. Rotor blades are radially attached to the rotatable central carrier and each of the rotor blades is pivotable about their respective radial central axis for variation of blade… Read more »

Source: USPTO, 22-Sep-17

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Labinal awarded patent for helicopter turbine engine control system

Labinal awarded patent for helicopter turbine engine control system

An electrical control and power supply system for at least one helicopter motor/generator, the system including a first DC/AC converter selectively delivering AC electrical power to the at least one motor/generator, depending on respective positions of contactors of a connection matrix actuated from an electronic control circuit, the first DC/AC converter powered with DC by a DC… Read more »

Source: USPTO, 11-Sep-17

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Airbus Defence and Space GmbH awarded patent for Auxiliary drive system for a helicopter

Airbus Defence and Space GmbH awarded patent for Auxiliary drive system for a helicopter

A drive system for a helicopter includes a main drive for driving a rotor the helicopter, a flywheel mass battery including at least one flywheel, a first transmission coupling the flywheel mass battery with the main drive such that, during operation of the main drive, output can be transferred from the main drive to the flywheel mass battery, and… Read more »

Source: USPTO, 23-Aug-17

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Airbus awarded patent for connection joint for attaching an airfoil blade to a helicopter’s bearingless main rotor

Airbus awarded patent for connection joint for attaching an airfoil blade to a helicopter’s bearingless main rotor

An airfoil blade (2) of a bearingless rotor of a helicopter. Said airfoil blade (2) has a pitch axis from a tip end to a root end and said root end is provided with junction means for a separable junction arrangement of said airfoil blade (2) with a flexbeam head (13), and a control cuff (4,… Read more »

Source: USPTO, 25-Jul-17

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