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Blocked flue detection methods and systems
The present invention is directed at systems and methods for detecting flue blockages in an HVAC system without the addition of numerous additional sensor...
Aircraft brake wheel heat shield
A perforated heat shield (20) is formed of a single layer and is implemented to be positioned between an aircraft brake assembly (34) and wheel assembly (28) in...
Breathing gas supply system
A breathing gas supply system for supplying breathable gas in an aircraft includes an oxygen enriching apparatus which is operable in at least two modes to...
Thermal fluid flow sensor and method of forming same technical field
A thermal fluid flow sensor and method of forming same. The flow sensor has an integrated circuit substrate, such as a silicon substrate, and a region of low...
Clustering system and method for blade erosion detection
A system and method for detecting erosion in turbine engine blades is provided. The blade erosion detection system includes a sensor data processor and a cluster...
No-break-power-transfer control system for variable frequency electrical
A method and apparatus for executing a no-break power transfer between an electrical power generator powered by an auxiliary power unit (APU) and an electrical...
A mounting apparatus for a display comprises a plate configured to hold a source of light for a display, a first housing sealingly connected to the plate, and a...
Method of removing contaminants from plastic resins
A method for removing contaminants from synthetic resin material containers using a first organic solvent system and a second carbon dioxide system. The organic...
Methods for electrically forming materials
The invention includes a method of forming a material which comprises at least two elements. More specifically, the method comprises providing an electrolytic...
Direct contact liquid air contaminant control system
The direct contact liquid air contaminant control system and method to revitalize air by removal of carbon dioxide and other trace gas contaminants use a direct...
Method and system for combined standing pilot safety and temperature
The method and apparatus provides a controller (which might comprise a microprocessor) that can control gas flow to a pilot burner in fluid communication with a...
Apparatus for unidirectional infiltration of preform with molten resin or
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...
System and method to reduce fuel system pumping heat input
The present invention discloses a relatively simple system and method to reduce fuel system pumping by automatically turning on and off servo flow to various...
Heated sub-freezing airflow diverter
A flow diverter comprises a heat sink array in fluid communication with a turbine outlet and an inlet face of a heat exchanger, the heat sink array comprising a...
Integrated gearless and nonlubricated auxiliary power unit
An auxiliary power unit (APU) includes a compressor, a turbine, a combustor, and a starter-generator unit all integrated within a single containment housing. The...
Tool for balancing rotating components
A tool for limiting a cut on an impeller having a shaft and vane is provided. The tool includes a shield member having a sidewall, a top, and an inner cavity....
Aircraft accessory monitor
Methods and apparatus are provided for monitoring an aircraft accessory. The apparatus comprises a processor associated with said aircraft accessory, a...
System and method for communicating device descriptions between a control
system and a plurality of controlled...
A system that employs a chosen one of a plurality of presentation selections to present information from a field device. The system has a field device interface...
Automatic panel configuration upload to a central station automation
A method and system for automatically uploading the configuration of a security system to a central station automation system via telephonic lines, long-range...
A surveillance system is provided. The system includes at least one target detection sensor, a plurality of adjustable identification sensors and a system...
Methods and apparatus for detecting leaks in fluorescent lamps
Methods and apparatus are provided for identifying the presence of leaks in a fluorescent bulb or other lamp suitable for use as a backlight in an avionics or...
Augmented catalytic heat exchanger system
Systems, apparatus, and methods for the catalytic removal of at least one pollutant from an air stream via a catalytic precooler arranged in series with at least...
Methods for repair of single crystal superalloys by laser welding and
Methods for repair of single crystal superalloys by laser welding and products thereof have been disclosed. The laser welding process may be hand held or...
Variable-nozzle turbocharger with integrated bypass
A turbine housing assembly includes a tubular piston disposed in a bore of a turbine housing and axially slidable between a closed position and an open position...
Tube and die interface for liquid flow sensing through the tube
A thermal sensor includes a die having a surface formed to accept the outer surface of tubing; a molded plastic part located on the die surface, said molded...
Acoustic signature testing for electronic, electromechanical, and
A method for testing a unit is described where the unit includes one or more of electrical, electronic, mechanical, and electromechanical components. The...
System and method for using multiple aiding sensors in a deeply integrated
A navigation system with resume logic and mode logic provides as an output an accurate navigation solution using multiple RF sensors. The resume logic determines...
MRAM read sequence using canted bit magnetization
A new read scheme is provided for an MRAM bit having a pinned layer (fixed) and a storage layer (free) sandwiching a nonmagnetic spacer layer. By applying a...
Circuit and method for controlling current flow through a solenoid
A solenoid control circuit that includes two switching networks that are selectively opened and closed in a current limit cycle to control the magnitude of the...
Methods and systems for maintaining a position during hovering operations
A method for maintaining a position of a hovering vehicle that incorporates a radar altimeter is described. The method includes receiving signals at the radar...
Method and apparatus for interfacing security systems
Security systems, such as in a home or other building, are interfaced with one another so that alarm messages and other information regarding a first security...
Method and apparatus for determining the available energy of a lithium ion
In accordance with various embodiments, there is a method for determining the available energy of a battery. Various embodiments include the steps of applying an...
Motor temperature control using estimated motor temperature based on motor
A system and method of controlling motor temperature is based on computed motor power dissipation and a thermal model of the motor, rather than a measured motor...
Wall plate adapter for coupling home network control signals to AC power
A wall plate adapter for coupling home network control signals to AC power wiring, where the wall plate adapter includes built-in signaling circuitry. The wall...
Fluorination reactions in which an organic compound to be fluorinated is contacted with elemental fluorine and HF is produced as a byproduct are disclosed,...
Method for manufacturing a erosion preventative diamond-like coating for a
turbine engine compressor blade
Methods for making an erosion resistant gas turbine engine compressor airfoil substrates coated with a diamond-like coating (DLC), wherein the coating airfoil...
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...
Weld shielding device for automated welding of impellers and blisks
The present invention provides an apparatus for use in automated welding repairs, particularly those repairs intended for impellers, blisks, and similar...
Method and system for CMG array singularity avoidance
The present method provides a method for avoiding singularities in the movement of CMGs in an array of CMGs in a spacecraft. In a first step, a torque command...
Method for verifying sensors installation and determining the location of
the sensors after installation in a...
In the present invention, a method is provided for installing and locating a plurality of sensors distributed on a structure as part of a structural health...
Gas turbine engine bleed air power assist system and method
A bleed air power assist system is coupled to a gas turbine engine that includes a high pressure turbine, a low pressure turbine, and an electrical generator...
Impeller clearance tool
A tool and method are provided for providing a predetermined clearance between an impeller and a shroud of a jet engine assembly, wherein the shroud has a mating...
Mobius time-triggered communication
In one embodiment, a node comprises a first network interface and a second network interface. The node further comprises a first bus guardian that asserts a...
Telephony control in the flight deck
A communications system having a plurality of radio communication modes with an audio component, the audio component of the radio communication modes being...
Method of differential-phase/absolute-amplitude QAM
A method of quadrature amplitude modulation involving encoding phase differentially and amplitude absolutely, allowing for a high data rate and spectral...
Vane actuated magnetic drive mode sensor
A vane actuated drive mode sensor is generally composed of two primary components, including a drive mode sensor array and an actuator. The sensor array can be...
Low drop out voltage regulator
A low dropout voltage regulator apparatus is disclosed, which includes a low dropout voltage regulator circuit connected to a supply voltage, wherein at least...
Optimized ultrasonic phased array transducer for the inspection of billet
An ultrasonic phased array transducer system comprises an ultrasonic phased array transducer having a piezo central element, concentric piezo ring elements...
Micro-beam friction liner and method of transferring energy
A micro-beam friction liner adapted to increase performance and efficiency and reduce wear in a piezoelectric motor or actuator or other device using a traveling...
System and method for controlling the frequency output of dual-spool
turbogenerators under varying load
Methods for maintaining a constant electrical output frequency in a turbogenerator with increased electrical loads are provided. The methods comprise biasing...