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Non-contacting clearance seal for high misalignment applications
An improved oil seal is provided for sealing passage of a rotatable shaft through an end wall of a bearing housing in a turbomachine or the like, wherein the...
Life support systems for aircraft
A life-support system for an aircraft B includes a first oxygen supply apparatus A operable to provide a limited supply of first product gas being one of pure...
PDA configuration of thermostats
A device and method that may be used at nearly any place to set and adjust a control system such as a thermostat, controller or computer having numerous...
Method of producing metal article having internal passage coated with a
The present application relates to a method of producing a metal article having an internal passage coated with a ceramic coating. The method comprises:...
Radio navigation system
Navigation apparatus that may include a radio receiver, at least one directional antenna communicatively coupled to the radio receiver, and a navigation computer...
Omni-directional, orthogonally propagating folded loop antenna system
The present invention relates to an omni-directional, orthogonally propagating, one-quarter wavelength folded loop antenna. The antenna may be embodied in a...
Human activity coordination system
A system for coordinating the activity of a plurality of humans in teams with a central automated controller having reasoning capability based on a predetermined...
Self-testing system and method
Newly installed electrical units emit, for a brief install interval, an "installed" output either audibly or visually, or both in response to an install mode...
Antiferromagnetic stabilized storage layers in GMRAM storage devices
A giant magnetoresistive memory device includes a magnetic sense layer, a magnetic storage layer, a non-magnetic spacer layer between the magnetic sense layer...
Bias-adjusted giant magnetoresistive (GMR) devices for magnetic random
access memory (MRAM) applications
A bias-adjusted giant magnetoresistive (GMR) device includes a ferromagnetic reference layer, which has a magnetization that remains relatively fixed when a...
Composite resilient mount
A composite resilient mount for rolling element bearings, comprising a composite hoop portion, and including a plurality of circumferentially dispersed inner...
Methods and apparatus for tuned axial damping in rotating machinery with
floating bearing cartridge
An apparatus and method for selecting an appropriate viscous fluid for use in control moment gyroscopes, reaction wheels, momentum wheels and the like....
Fluidic diverter valve with a variable valve-bore clearance
A fluidic diverter valve includes valve element freely disposed within a valve bore. The valve bore has a cross sectional area that varies. As a result, the...
Data transmission method
The invention relates to a method for the asynchronous serial data transmission between a transmitter and a receiver over a radio transmission link, whereby a...
Multiple output magnetic sensor
A door position sensing system includes a door claw having first and second magnets mounted thereon, and a Hall sensor mounted so as to sense the magnetic fields...
Compositions and methods for thermosetting molecules in organic
In a method of producing a low dielectric constant polymer, a thermosetting monomer is provided, wherein the thermosetting monomer has a cage compound or aryl...
The present invention provides a composition comprising: (a) thermosetting component comprising (1) optionally monomer of Formula I as set forth below and (2)...
Dynamic calibration of papermaking machine
Sheetmaking processes such as papermaking making systems employ water weight sensors underneath the moving water permeable wire that supports the wet stock (pulp...
Multiple scene projection system
A projection system for presenting infrared scenes having biological and chemical agents, simulants and objects such as battlefield items. The generated scenes...
Sensor slip fit apparatus and method
A sensor apparatus and method are disclosed herein. A base is generally located proximate to a cover. A sensor element (e.g., quartz, silicon, ceramic, and the...
Electronic assemblies having supports for circuit boards
An electronic assembly apparatus is provided which has a chassis for housing at least one circuit board. The circuit board has at least one major surface. The...
Circuit board card guide and lock
A printed circuit board chassis device for securely holding printed circuit boards (PCB) while allowing for easy insertion and extraction. The device includes...
Software GPS based integrated navigation
A GPS receiver acquires GPS data from at least one GPS satellite. A code offset and a frequency offset are determined based on the acquired GPS data. A change in...
Integrated magnetic field strap for signal isolator
An integrated signal isolator is provided to isolate first and second circuits. First, second, third, and fourth magnetoresistors of the isolator are coupled...
Position sensing method and apparatus for synchronous motor generator
A position sensing apparatus (300) derives rotor position of a synchronous machine (200) from signals output from the machine (200). In one embodiment, the...
Electronic fuel selection switch system
Devices and methods for providing a switch for selecting which of a number of fuel valves receives power. The switch preferably provides a delay between the...
RFID tag and communication protocol for long range tag communications and
An RFID tag has a frequency agile RF transceiver that transmits data from the RFID tag to a reader and a direct sequence spread spectrum RF receiver that...
Aircraft ground support air conditioning unit with cooling air flow
A system and method of supplying conditioned air to an aircraft environmental control system during ground support operations that uses at least one flow control...
Test fixture assembly for directional pilot valve and related method
A test fixture for testing directional pilot valves as used in connection with turbine engine thrust reversers, and an associated method of use. In a particular...
Tube cooled combustor
An innovative cooling tube assembly is disclosed for use in cooling the liner of a combustor in a gas turbine engine. Each cooling tube has a serpentine shape...
Potentiometer providing a high resolution
A high resolution potentiometer implemented using at least two digital potentiometers connected in parallel. Each digital potentiometer is controlled to provide...
Transient fault detection system and method
A transient fault detection system and method is provided that facilitates improved fault detection performance in transient conditions. The transient fault...
Fiber optic sensing coil with isotropic properties
A fiber optic sensing coil is formed by winding a non-coated optical fiber in a substantially circular loop. The non-coated optical fiber includes a core and a...
Security messaging system
A system and method for delivering safety and security information that includes at least one event monitor. Each event monitor has an output. The system also...
High bond strength interlayer for rhenium hot gas erosion protective
A method for producing a coated carbon composite material is provided. The resulting coated composite is useful for applications such as rocket nozzles and valve...
Physical vapor deposition components and methods of formation
A PVD component forming method includes inducing a sufficient amount of stress in the component to increase magnetic pass through flux exhibited by the component...
Integrated turbocharger lubricant filter system
An exemplary center housing for a turbocharger includes a filter well for receiving a lubricant filter unit. An exemplary filter unit, for attachment to a center...
Compressor wheel joint
An exemplary compressor wheel includes a proximate end, a distal end, an axis of rotation, a z-plane positioned between the proximate end and the distal end, and...
System for increasing digital data demodulator synchronization timing
resolution using training sequence...
A demodulator for demodulating digital data includes a receiver for receiving a digital data signal, a determining device to determine if a fractional sample...
Arc fault detection system
A system and method for an arc fault detection system for aircraft wiring system is disclosed. Upon detection of arc fault events, the system transmits a signal...
Dynamic reflector array and method of making the same
A dynamic micro-structured reflector includes a substrate having a generally planar major surface and a plurality of cavities on the planar major surface. Each...
Measurement system for electromagnetic radiation structure
A measurement system is provided that facilitates the measuring of a shape of a flexible electromagnetic radiation structure. The measurement system includes a...
Eigen frequency detector for Sagnac interferometers
A system for detecting the eigen frequency of a sensing coil in a fiber optic gyro (FOG) that includes a fiber coupler connected to the light source, an...
Optical sensor method, system and apparatus
An optical sensor system and method for determining the position, displacement and/or angle of a member (for example, a seal plate or valve gate) within a system...
Hand-held laser welding wand filler media delivery systems and methods
A hand-held laser welding wand includes one or more filler media delivery flow passages. The wand is dimensioned to be grasped with a single hand, thus filler...
Environmental control system including ozone-destroying catalytic
converter having anodized and washcoat layers
An aircraft environmental control system includes a catalytic converter having ozone-destroying capability. A surface of the catalytic converter is anodized to...
Methods and apparatus for attaching a die to a substrate
A method for increasing the bonding strength between a die and a housing for the die is described where a micro-electromechanical system (MEMS) device is formed...
Magnetic sensing device
A magnetic sensing device is disclosed. The magnetic sensing device may have an integrated circuit and a magnetic sensor. A magnetic buffer layer of material may...