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| Number | Title | Issue Date |
| 8006934 | Heating architecture for a composite fairing A composite fairing with embedded heating architecture for ice protection includes heating elements arranged on various fairing plies for heating substantially all of the composite fairing. The heating elements are positioned to provide ice protection to substantial... | 08/30/2011 |
| 7926763 | Ice management system for rotary-wing aircraft An ice management system is configured for an aircraft having at least one rotor (11), each rotor having a plurality of blades. The system has an alternating current (AC) electrical power supply for supplying AC power (13), the AC power supply being ad... | 04/19/2011 |
| 7922121 | Power distribution architecture for an ice protection system An ice protection system for a vehicle is disclosed which includes a plurality of de-ice power distribution units positioned proximate to a leading edge surface of the vehicle that is susceptible to ice accretion, at least two anti-ice power distribution units locat... | 04/12/2011 |
| 7922120 | Wing ice protection heater element network An ice prevention network comprising a plurality of non-overlapping heater elements arranged in a grid along an airfoil is provided, powered by a multiphase power source, each phase powering selected heater elements that can selectively be powered on and powered off... | 04/12/2011 |
| 7913952 | Method and a device for de-icing an aircraft wall A device for de-icing an aircraft wall that comprises a composite structure (47) and layer (41) of electrically conductive material, which device comprises a plurality of thin inductor elements (33 to 35) designed to extend substantially ... | 03/29/2011 |
| 7837150 | Ice protection system for a multi-segment aircraft component An aircraft component includes a first segment having a first leading edge surface that extends to a first end of the first segment. The aircraft component also includes a second segment having a second leading edge surface that extends to a second end of the second... | 11/23/2010 |
| 7780117 | Aircraft engine nacelle ice protection system A nacelle inlet lip (22) for an aircraft engine (16) comprises a structural body (30) and an ice protection system (60). The ice protection system (60) comprises a plurality of ice-protectors (62, 64, 66) independently contr... | 08/24/2010 |
| 7775481 | Device for heating lock elements in aircraft The invention is directed to a device for heating lock elements in aircraft, in particular to prevent icing up of door locks and emergency slide locks. The object of the invention, to find a novel possibility for heating lock elements in aircraft, particularly for p... | 08/17/2010 |
| 7708227 | Energy-efficient electro-thermal ice-protection system A region of an airfoil to be protected from accreted ice is heated to reduce the strength of the bond between the ice and the airfoil, and is mechanically deformed to shed the accreted ice after the bond has been sufficiently weakened. Heating ceases before substant... | 05/04/2010 |
| 7681838 | Aircraft engine nacelle inlet having access opening for electrical ice protection system An aircraft engine nacelle inlet is provided with an inlet cowling. The inlet cowling includes an inner lip, an outer lip, and a leading edge portion connecting the inner and outer lips. Heating elements are provided proximate the leading edge, either on an inside s... | 03/23/2010 |
| 7631838 | Aircraft engine nacelle inlet having access opening for electrical ice protection system An aircraft engine nacelle inlet is provided with an inlet cowling. The inlet cowling includes an inner lip, an outer lip, and a leading edge portion connecting the inner and outer lips. Heating elements are provided proximate the leading edge, either on an inside s... | 12/15/2009 |
| 7604202 | Ice management system for tiltrotor aircraft An ice management system is configured for an aircraft having at least one rotor, each rotor having a plurality of blades. The system has an electrical power supply adapted to be carried by the aircraft remote from the rotor, and at least one heater is carried by th... | 10/20/2009 |
| 7588212 | Method and apparatus for noise abatement and ice protection of an aircraft engine nacelle inlet lip An aircraft engine nacelle comprises: (a) an inlet lip and a skin having internal and external surfaces; (b) a noise abatement structure such as an acoustic panel located on the internal surface of the nacelle skin; and (c) an electrically powered de-icing system lo... | 09/15/2009 |
| 7556221 | Aircraft ice protection method A method of removing a delay-induced ice accumulation (e.g., an ice cap) from an airfoil's leading-edge region with a zoned electrothermal device. The method comprises delay-rectifying steps which are performed prior to routine-deicing steps. The delay-rectifying st... | 07/07/2009 |
| 7546980 | Aircraft wing with electrothermal deicing and/or anti-icing device An aircraft wing (12) comprising a structural member (20) forming the wing's leading edge skin, a Kreuger flap (16) which moves relative to the structural member (20) between a stowed position and a deployed position, and an electrotherma... | 06/16/2009 |
| 7523889 | Modular anti-icing/de-icing device for an aerodynamic surface A anti-icing/de-icing device for an aircraft wing includes at least one aerodynamic surface, e.g. a rotorcraft blade or an airplane wing, the aerodynamic surface possessing at least two anti-icing/de-icing modules 17, with each module 17 being provided... | 04/28/2009 |
| 7513458 | Aircraft engine nacelle inlet having electrical ice protection system An aircraft engine nacelle inlet is provided with an inlet cowling. The inlet cowling includes an inner lip, an outer lip, and a leading edge portion connecting the inner and outer lips. Heating elements are provided proximate the leading edge, either on an inside s... | 04/07/2009 |
| 7469862 | Aircraft engine nacelle inlet having access opening for electrical ice protection system An aircraft engine nacelle inlet is provided with an inlet cowling. The inlet cowling includes an inner lip, an outer lip, and a leading edge portion connecting the inner and outer lips. Heating elements are provided proximate the leading edge, either on an inside s... | 12/30/2008 |
| 7441725 | Aircraft wet wing An aircraft wing (12) comprising a structural casing (14) defining a leading edge, a fuel cell (16) within the structural casing (14), a deicer (18) having electrical lines which receive a supply of electrical power from an onboard... | 10/28/2008 |
| 7358466 | Localized heat treating apparatus for blisk airfoils The present invention is a BLISK airfoil heat treating apparatus and method for heat treating the leading and/or trailing edge section(s) of a BLISK airfoil using the BLISK airfoil heat treating apparatus. The apparatus comprises a pair of hingedly connected heat tr... | 04/15/2008 |
| 7291815 | Composite ice protection heater and method of producing same The invention includes a composite ice protection heater for an aircraft. The composite heater includes at least one electrically insulating layer, and at least one electric heater element comprising an electrically conductive layer bonded to the insulating layer. T... | 11/06/2007 |
| 7282681 | Microwave fabrication of airfoil tips A method of producing a metallic component includes: providing a body made of a first alloy; providing a preform comprising a metallic powder made of a second alloy and formed in the shape of an extension of the body; and heating the preform with microwave energy to... | 10/16/2007 |
| 7281318 | Method of manufacturing a composite structural member having an integrated electrical circuit A method of manufacturing a composite structural member with an integrated electrical circuit is provided. The structural member includes a plurality of layers of structural reinforcement material, and two or more electrical devices are disposed at least partially b... | 10/16/2007 |
| 7278610 | Aircraft wing with electrothermal deicing and/or anti-icing device An aircraft wing (12) comprising a structural member (20) forming the wing's leading edge skin, a Kreuger flap (16) which moves relative to the structural member (20) between a stowed position and a deployed position, and an electrotherma... | 10/09/2007 |
| 7246773 | Low power, pulsed, electro-thermal ice protection system An electro-thermal ice protection system for an airfoil comprises: a metal foil heater including an integral parting strip, the metal foil heater configurable to cover at least a portion of a leading edge of the airfoil with the integral parting strip disposed along... | 07/24/2007 |
| 7230205 | Compressor airfoil surface wetting and icing detection system In some instances, ice can form on the surface of a compressor airfoil. If the ice dislodges, it can impact and damage other compressor components. Aspects of the invention relate to systems for detecting the presence of ice or water on a compressor vane during engi... | 06/12/2007 |
| 7157663 | Conducting-fiber deicing systems and methods Conducting-fiber deicing systems and methods. In one embodiment, an assembly includes a surface subject to an accumulation of ice, the surface at least partially including a heating portion having a layer of multi-directional electrically-conductive fibers formed be... | 01/02/2007 |
| 7138599 | Plasma-based de-icing An electrical conductor and a gas-filled layer are located at or near the surface of an object being deiced. The conductor carries an AC voltage that generates an alternating electric field in the gas-filled layer. A conductive layer increases the electric field str... | 11/21/2006 |
| 7131815 | Inlet guide vane A vane provided with at least one spindle, the at least one spindle configured to engage in operation with a support such that in operation the vane pivots about the at least one spindle. The vane is further provided with an electrically operable heater which is com... | 11/07/2006 |
| 7124983 | Hybrid electrical ice protection system and method including an energy saving mode A hybrid electrical ice protection system implements three ice protection methods in various combinations. The ice protection methods include the fully-evaporative anti-ice protection method, the wet running anti-ice protection method, and the de-ice method. The par... | 10/24/2006 |
| 7124662 | Reversible driving apparatus for PCU pumps An accessory driving apparatus for an aircraft system is connected to an accessory unit to be driven, such as a PCU pump. A gear set for transferring rotational power from the driving shaft to the driven shaft is provided for selective arrangement in first and secon... | 10/24/2006 |
| 7087876 | High-frequency melting of interfacial ice An alternating electric field is applied at an ice interface to generate a resistive AC current having a frequency greater than 1000 Hz in interfacial ice. Typically, a first electrode and a second electrode proximate to the interface are separated by an interelectr... | 08/08/2006 |
| 7078658 | Heater mat made of electrically-conductive fibers A heater mat for using the Joule effect to heat an aerodynamic surface. The heater mat is provided with a resistor element including at least two substantially parallel segments of electrically-conductive fibers disposed on the aerodynamic surface. The segments come... | 07/18/2006 |
| 7066431 | Turbulent flow drag reduction The present invention relates to apparatus for influencing fluid flow over a surface, and more particularly, but not exclusively, to turbulent boundary layer flow drag reduction for an aircraft. The present invention provides such apparatus including a plasma genera... | 06/27/2006 |
| 7064302 | Electrical connection for a resistor element made of electrically-conductive fibers A connection endpiece placed on a resistor element provided with at least one layer of electrically-conductive fibers, the endpiece serving to connect a power supply wire electrically to the resistor element. The endpiece includes at least one metal plate having a t... | 06/20/2006 |
| 7014357 | Thermal icing conditions detector A sensor for detecting icing conditions in an airstream includes a flow housing mounted on an aircraft and in which one or more probes are mounted. At least one of the probes subjected to impingement of the airstream and liquid moisture droplets in such airstream. T... | 03/21/2006 |
| 6975735 | Sound collecting device minimizing electrical noise A sound collecting device is provided which is designed to minimize adverse effects on an output caused by exposure of an electroacoustic transducer to the air. The device includes an electroacoustic transducer and a vibrating circuit. The transducer is exposed to t... | 12/13/2005 |
| 6963049 | Snow removal system A snow removal system for melting snow from the body of a vehicle is disclosed. The snow removal system includes a control assembly being designed for operationally coupling to a power supply of the vehicle. A plurality of conducting strips are operationally coupled... | 11/08/2005 |
| 6933650 | Wear indicator The present invention relates to a wear indicator for a motor carbon brush which includes a housing, carbon brushes, an elastic element, a circuit board with an alarm indicator light and an electric probe disposed on the circuit board. The electric probe is connecte... | 08/23/2005 |
| 6906537 | System for controlling the temperature of an aircraft airfoil component An airfoil temperature control arrangement includes a resistive heater element. A plurality of detectors allow a controller to gather resistance information at various intervals along the resistive heater element. Determining the resistance of the corresponding port... | 06/14/2005 |
