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| Number | Title | Issue Date |
| 7100355 | Battle override valve A fuel control system, battle override valve and a method of controlling bypass fuel in a fuel system are disclosed. A battle override valve 30 for an engine fuel system 10 includes a metering valve 50 having a rate limiting function providing f... | 09/05/2006 |
| 6965212 | Method and apparatus for field weakening control in an AC motor drive system A method and apparatus control a power converter (20) of an AC motor drive system (10). The method and apparatus: generate a field current regulating signal to control a field current component flowing from the power converter (20) to the AC mot... | 11/15/2005 |
| 6962423 | Multi-mode searchlight A multi-mode visible and infrared lighthead (100) for use as a landing light or searchlight. The multi-mode lighthead incorporates a modular design wherein at least one visible light source (200) and at least one infrared diode (302) are mounted... | 11/08/2005 |
| 6960776 | IR diode based high intensity light The present invention is directed to an infrared light assembly (10, 30, 80, 90). A preferred embodiment of the light assembly (10, 30, 80, 90) may be used on aircraft or other vehicles for landing, taxi mode, or search operations. The light assembly (... | 11/01/2005 |
| 6955113 | Electro-hydraulic actuator with mechanical servo position feedback A method and apparatus for an electro-hydraulic actuator (1) having mechanical feedback provide closed loop control with a high degree of accuracy. The electro-hydraulic actuator (1) includes a current versus load generator (10), a single-stage ... | 10/18/2005 |
| 6939490 | Process for unidirectional infiltration of preform with molten resin or pitch Molding apparatus for rapid transfer of molten resin or pitch in an infiltration molding process. The apparatus includes e.g. an extruder (4) for melting and conveying a resin or pitch and a mold (10) arranged so that resin or pitch is conveyed to a mo... | 09/06/2005 |
| 6935595 | Pilot director light utilizing light emitting diode (LED) technology Pilot Director Lights (PDLs) mounted on the exterior of a refueling tanker aircraft (10) utilize light emitting diodes (LEDs) (213) as a light source to provide visual information to the pilot of an approaching aircraft (30). The PDLs may includ... | 08/30/2005 |
| 6912837 | Fail fixed fuel metering device and method for providing bumpless transfer to backup A fuel metering device (101) and method for metering fuel to an engine (129) provides bumpless transfer to a backup mode. A common cavity (125) provides pressure relief, fuel metering and bypass of fuel flow. A metering valve (120) for sc... | 07/05/2005 |
| 6913821 | Fluidizing oxidation protection systems Carbon composite components (1, 11, 22, 30), which may be aircraft brake discs, heat exchanger cores, and so on, are covered by protective coating 32. Component (1, 11, 22, 30) is immersed in liquid bath precursor of fluidized glass (step 55 | 07/05/2005 |
| 6909262 | Control system for regulating exciter power for a brushless synchronous generator A control system regulates power to a brushless synchronous generator (BSG) (204) having a permanent magnetic generator (PMG)(210), an exciter (208) and a main generator (206) connected to a rotating shaft (212). The generator cont... | 06/21/2005 |
| 6892544 | Flow divider & purge air system for a gas turbine engine A purge air and fuel flow divider module (15) independently directs fuel flow to a plurality of manifolds (25, 27 and 29) and independently purges fuel from these manifolds with air when they are not flowing fuel. A secondary manifold (29... | 05/17/2005 |
| 6886668 | Coated carbon brake disc materials Antioxidant coating compositions containing 10-75 wt % H2O, 20-65 wt % H3PO4, 0.1-20 wt % alkali metal mono-, di-, or tri-basic phosphate, 0-2 wt % hydrated boron oxide, 0-18 wt % KH2PO4, 3-10 wt % of a transiti... | 05/03/2005 |
| 6884467 | Method for simultaneously protecting carbon-containing components against catalytic oxidation and high temperature non-catalytic oxidation Coated articles (19) that comprise components, made of carbon fiber or carbon-carbon composites which may be configured, for example, as aircraft landing system brake discs. The components (10) are coated with a system that includes a phosphorus-contai... | 04/26/2005 |
| 6866093 | Isolation and flow direction/control plates for a heat exchanger A method and apparatus for controlling and isolating heat exchanger flows in a heat exchanger includes at least one isolation and flow direction control plate (40) having at least one fluid slot (45). The isolation and flow direction control plates ( | 03/15/2005 |
| 6861897 | Active filter for multi-phase AC power system An active filter (300) generates multi-phase compensating current in an AC power supply system (10) that supplies a load (200). The filter (300) includes a compensating current output device (34) outputting multi-phase compensating... | 03/01/2005 |
| 6850426 | Synchronous and bi-directional variable frequency power conversion systems A synchronous bi-directional active power conditioning system (11) suitable for wide variable frequency systems or active loads such as adjustable speed drives which require variable voltage variable frequency power management systems is disclosed. Common pow... | 02/01/2005 |
| 6846514 | Gas port sealing for CVD/CVI furnace hearth plates A method and apparatus for sealing gas ports in CVD/CVI furnaces and processes is disclosed. A fluid direction nozzle (160) is positioned between a top lip (101) of a gas inlet port (100) delivering a reactant gas (G) to a furnace compartment( | 01/25/2005 |
| 6846099 | Aircraft position light A position light (200) for use on an aircraft. The aircraft position light uses light sources (302) installed into an alignment fixture (304) which optionally carries away heat generated by the light sources. Light emitted by the light sources i... | 01/25/2005 |
| 6809496 | Position sensor emulator for a synchronous motor/generator A position sensor emulator system and method for use in the control of synchronous machines are disclosed. The position sensor emulator system (220) includes a first bandpass filter (222) that filters phase voltage signals from a stator of a synchronou... | 10/26/2004 |
| 6807875 | Self-compensating position sensor A position sensor and a method for sensing a position of a moveable member includes at least first and second deflectable members arranged so as to allow the moveable member to pass therebetween and cause the at least first and second moveable members to deflect in ... | 10/26/2004 |
| 6802916 | Selectively cold worked hydraulic motor/pump shoe A method of manufacturing a wear resistant shoe (26) includes upsetting (46) one end portion (38) of cylindrical member to work harden that portion to a substantial depth, machining (48) the cylindrical member portion to finished dimensio... | 10/12/2004 |
| 6783260 | IR laser diode based high intensity light An infrared LASER diode based high intensity light (100) for use as an aircraft landing light or searchlight in conjunction with night vision imaging systems. The high intensity light (100) uses infrared LASER diodes (110) installed into a heat ... | 08/31/2004 |
| 6782793 | Active armor protection system for armored vehicles A sensor system for defending armoured vehicles against projectiles through the use of active armour. A thermal sensor detects a projectile's presence, and a laser proximity sensor determines its location. A doppler sensor distinguishes between threatening and nonth... | 08/31/2004 |
| 6782701 | Master-slave engine bleed flow sharing control method and system A system and method for an engine bleed flow-sharing control system is disclosed. For a multi-engine bleed system, one (10) of the engines is selected as the master channel (15) such that the bleed air supply pressure of the control system receiving th... | 08/31/2004 |
| 6766637 | Battle override valve A fuel control system, battle override valve and a method of controlling bypass fuel in a fuel system are disclosed. A battle override valve 30 for an engine fuel system 10 includes a metering valve 50 having a rate limiting function providing f... | 07/27/2004 |
| 6764628 | Composite material comprising oriented carbon nanotubes in a carbon matrix and process for preparing same Fiber spinning of two polymer compositions wherein one of the compositions contains carbon nanotubes produces structures such as fibers, ribbons, yarns and films of carbon nanotubes. The polymers are removed and stabilization of the carbon nanotube material is achie... | 07/20/2004 |
| 6758909 | Gas port sealing for CVD/CVI furnace hearth plates A method and apparatus for sealing gas ports in CVD/CVI furnaces and processes is disclosed. A fluid direction nozzle (160) is positioned between a top lip (101) of a gas inlet port (100) delivering a reactant gas (G) to a furnace compartment ( | 07/06/2004 |
| 6756121 | Carbon barrier controlled metal infiltration layer for enhanced oxidation protection The invention provides for oxidatively resistant silicon carbide coated carbon/carbon composites, a method for the preparation of these materials, and their use in high temperature applications, preferably in brakes for airplanes. The silicon carbide coated C/C comp... | 06/29/2004 |
| 6752248 | Multi-disc brake structural asymmetry An axially asymmetrical vibration-reducing torque tube radially surrounds an axle and axially spans brake disks with intervening ones of the brake disks angularly fixed to a torque tube. The torque tube is a hollow generally annular member having an axis, a radially... | 06/22/2004 |
| 6751939 | Flow divider and ecology valve A fuel flow dividing ecology valve conveys fuel from a fuel source to at least a secondary gas turbine engine intake manifold during engine operation and withdraws fuel therefrom upon cessation of engine operation. The valve includes a flow dividing valve portion ha... | 06/22/2004 |
| 6749937 | Melt-infiltrated pitch-pan preforms Carbon-silicon carbide brake preforms are manufactured by carbonizing a blend of carbon (e.g., polyacrylonitrile) fibers and thermosetting pitch resin, optionally along with a lubricant such as graphite, to provide an intermediate product having open porosity and su... | 06/15/2004 |
| 6743384 | Anisotropic heat diffuser plate A method and apparatus for ensuring uniform temperature regulation of a mold cavity (90) during a mold process is disclosed. An anisotropic diffuser member(s) (100) is/are utilized for rapid providing heat transfer in preferred directions. An anisotrop... | 06/01/2004 |
| 6744644 | Soft-start of DC link capacitors for power electronics and drive systems A soft-start system and method for use in the soft-start of DC links for capacitor banks are disclosed. The soft-start system (200) includes a capacitor (230) connected to a first bus (282) of a DC link (280). A resistor (210) is c... | 06/01/2004 |
| 6729016 | Method for making a modular reed switch assembly A modular reed switch assembly and method for making the same are provided. A switch assembly (101) includes a reed switch (206, 106) that is enclosed between a primary reed switch cover (208) and a reed switch base (104) wherein the reed... | 05/04/2004 |
| 6726753 | Coated carbon brake disc materials Antioxidant coating compositions containing 10-75 wt % H2O, 20-65 wt % H3PO4, 0.1-20 wt % alkali metal mono-, di-, or tri-basic phosphate, 0-2 wt % hydrated boron oxide, 0-18 wt % KH2PO4, 3-10 wt % of a transiti... | 04/27/2004 |
| 6715278 | Fail fixed fuel metering device for providing bumpless transfer to backup A fuel metering device (101) and method for metering fuel to an engine (129) provides bumpless transfer to a backup mode. A common cavity (125) provides pressure relief, fuel metering and bypass of fuel flow. A metering valve (120) for sc... | 04/06/2004 |
| 6706146 | Method for making performs A method for manufacturing a preform having a desirably uniform distribution of structural forms (for example and without limitation, particles, flakes, and fibers) therethrough. The method according to the present invention includes using an electrical charge react... | 03/16/2004 |
| 6684983 | Optimized split type expander for adjustable piston actuators for multi-disk brakes and clutches A brake adjustment mechanism maintains a brake actuating piston (17) stroke within a preferred range compensating for brake wear by repositioning the piston along a deformable adjustment tube (33). The tube is deformed when excessive piston travel draws t... | 02/03/2004 |
| 6682677 | Spinning, processing, and applications of carbon nanotube filaments, ribbons, and yarns Coagulation spinning produces structures such as fibers, ribbons, and yarns of carbon nanotubes. Stabilization, orientation, and shaping of spun materials are achieved by post-spinning processes. Advantages include the elimination of core-sheath effects d... | 01/27/2004 |
| 6672688 | Anti-lock braking system module for aircraft equipped with master cylinder brake systems A combination brake and anti-lock system for a wheeled vehicle such as an aircraft includes an operator controlled source of pressurized hydraulic fluid for selectively applying hydraulic pressure to a hydraulically actuated wheel rotation braking device ... | 01/06/2004 |
