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| Number | Title | Issue Date |
| 7389687 | System for measuring a parameter of an aerated multi-phase mixture flowing in a pipe A method and apparatus for measuring at least one characteristic of an aerated fluid flowing within a pipe is provided, wherein the method includes generating a measured sound speed, a measured density, a pressure and a gas volume fraction for the aerated fluid. The... | 06/24/2008 |
| 7363800 | Apparatus and method for measuring compositional parameters of a mixture An apparatus for measuring compositional parameters of solid, liquid, and gas components of a mixture flowing in a pipe is presented. The apparatus combines three different compositional measurements (e.g., the speed of light (microwave), the speed of sound (sonar),... | 04/29/2008 |
| 7343820 | Apparatus and method for fiscal measuring of an aerated fluid A method and apparatus for performing a fiscal measurement of at least one characteristic of an aerated fluid flowing within a pipe is provided, wherein the apparatus includes at least one metering device for determining the mixture density of the fluid, the speed o... | 03/18/2008 |
| 7343818 | Apparatus and method of measuring gas volume fraction of a fluid flowing within a pipe A clamp on apparatus 10,110 is provided that measures the speed of sound or acoustic disturbances propagating in a fluid or mixture having entrained gas/air to determine the gas volume fraction of the flow 12 propagating through a pipe 14. The a... | 03/18/2008 |
| 7340353 | Dual function flow measurement apparatus having an array of sensors A dual function flow measurement apparatus is provided that combines the functionality of an apparatus that measures the speed of sound propagating through a fluid flowing within a pipe, and measures pressures disturbances (e.g. vortical disturbances or eddies) movi... | 03/04/2008 |
| 7337075 | Apparatus and method for measuring parameters of a mixture having liquid droplets suspended in a vapor flowing in a pipe An apparatus 10,70 and method is provided that includes a spatial array of unsteady pressure sensors 15-18 placed at predetermined axial locations x1-xN disposed axially along a pipe 14 for measuring at least one par... | 02/26/2008 |
| 7328624 | Probe for measuring parameters of a flowing fluid and/or multiphase mixture A probe 10,170 is provided that measures the speed of sound and/or vortical disturbances propagating in a single phase fluid flow and/or multiphase mixture to determine parameters, such as mixture quality, particle size, vapor/mass ratio, liquid/vapor ratio, ... | 02/12/2008 |
| 7330797 | Apparatus and method for measuring settlement of solids in a multiphase flow A method and apparatus for measuring a parameter of a flow passing through a pipe is provided, wherein the apparatus includes at least two spatial array of sensors disposed at different axial locations along the pipe, wherein each of the sensors provide a signal ind... | 02/12/2008 |
| 7328113 | Method for calibrating a volumetric flow meter having an array of sensors A method and apparatus are provided for calibrating a flow meter having an array of sensors arranged in relation to a pipe that measures a flow rate of a fluid flowing in the pipe. The method features the step of calibrating the flow rate using a calibration correct... | 02/05/2008 |
| 7322245 | Apparatus and method for measuring a fluid flowing in a pipe using acoustic pressures In industrial sensing applications at least one parameter of at least one fluid in a pipe 12 is measured using a spatial array of acoustic pressure sensors 14,16,18 placed at predetermined axial locations x1, x2, x3 along the pipe ... | 01/29/2008 |
| 7322251 | Method and apparatus for measuring a parameter of a high temperature fluid flowing within a pipe using an array of piezoelectric based flow sensors A method, apparatus and system are provided to measure the process flow of a fluid or medium traveling in a pipe. The system and apparatus feature a standoff and piezoelectric-based sensor arrangement having a plurality of standoffs arranged on a pipe and a pluralit... | 01/29/2008 |
| 7308820 | Piezocable based sensor for measuring unsteady pressures inside a pipe A piezocable based sensor for measuring unsteady pressures inside a pipe comprises a cable wrapped around the pipe and an outer band compressing the cable towards the pipe. The cable provides a signal indicative of unsteady pressure within the pipe in response to ex... | 12/18/2007 |
| 7302861 | Portable flow measurement apparatus having an array of sensors A portable flow measuring apparatus includes an array of pressure sensors used to measure the acoustic and convective pressure variations in the flow to determine a desired parameter. A portable processing instrument processes the signals provided by the sensing arr... | 12/04/2007 |
| 7299705 | Apparatus and method for augmenting a Coriolis meter A flow measuring system is provided that provides at least one of a compensated mass flow rate measurement and a compensated density measurement. The flow measuring system includes a gas volume fraction meter in combination with a coriolis meter. The GVF meter measu... | 11/27/2007 |
| 7295933 | Configurable multi-function flow measurement apparatus having an array of sensors A configurable multi-function flow measurement apparatus is provided that can selectably function to measure the speed of sound propagating through a fluid flowing within a pipe and/or to measure pressures disturbances (e.g. vortical disturbances or eddies) moving w... | 11/13/2007 |
| 7275421 | Apparatus and method for measuring parameters of a mixture having solid particles suspended in a fluid flowing in a pipe An apparatus 10 and method is provided that includes a spatial array of unsteady pressure sensors 15-18 placed at predetermined axial locations x1-xN disposed axially along a pipe 14 for measuring at least one parame... | 10/02/2007 |
| 7269316 | Method for restoring photosensitivity in hydrogen or deuterium loaded large diameter optical waveguide The present invention provides a new and unique method for increasing the photosensitivity of a large diameter optical waveguide having a cross-section of at least about 0.3 millimeters. The method features loading the large diameter optical waveguide with a photose... | 09/11/2007 |
| 5566572 | Circuitry to minimize stray capacitance effects in a capacitive liquid level measurement device A time varying excitation current (413) is provided to one side of a capacitive sensor (417), and two signal paths (420,430) are provided between the other side of the capacitive sensor (417) and signal conditioning circuitry (412), each signal path diffe... | 10/22/1996 |
| 5553812 | Inertial velocity command system A velocity command system is provided with a velocity stabilization mode wherein aircraft flight path referenced velocities are determined with respect to an inertial frame of reference, the flight path referenced velocities are held constant during pilot... | 09/10/1996 |
| 5553817 | Turn coordination inhibit for rotary wing aircraft control system A turn coordination inhibit system (150) inhibits a rotary winged aircraft control system from operating in an automatic turn coordination mode when a pilot desired to perform a sideslip maneuver, e.g., a flat turn. When automatic turn coordination is not... | 09/10/1996 |
| 5552983 | Variable referenced control system for remotely operated vehicles A frame of reference is selected, and control inputs provided by a vehicle operator are transformed to account for the orientation of a remotely operated vehicle with respect to the selected frame of reference such that the remotely operated vehicle respo... | 09/03/1996 |
| 5496989 | Windshield temperature control system A windshield temperature control system (200) monitors aircraft operating (240) and environmental (246) conditions, and determines, based on the fixed physical properties of the windshield (250,251 ), a required film temperature necessary to produce a hea... | 03/05/1996 |
| 5485100 | Automatically balanced and tested bridge measurement circuit, and method The output of a bridge measurement circuit is sampled at a time when there is no desired, or expected, bridge output signal, and a balance voltage applied to the bridge measurement circuit is automatically adjusted such that the sample bridge output signa... | 01/16/1996 |
| 5465925 | Automatic release of a load from a helicopter external cargo suspension system A helicopter external cargo suspension system (12) has load sensors (19,20) at each suspension point for sensing the magnitude of a load (32) at each suspension point. A delay period (FIG. 6) is determined based on the magnitude of the load, and a load is... | 11/14/1995 |
| 5465212 | Helicopter integrated fire and flight control having a pre-launch and post-launch maneuver director An integrated fire and flight control (IFFC) system determines a ballistic firing solution based on the position of targets relative to a helicopter and also based on the type of weapons to be fired. An elevation command is determined based on the require... | 11/07/1995 |
| 5459666 | Time and fuel display A mission computer (10) stores a nominal route plan which includes information indicative of the precise arrival time at specific navigation positions, e.g., waypoints, and the planned fuel consumption during travel to the specified waypoints. The mission... | 10/17/1995 |
| 5455731 | Power controller reset during load starting A solid state power controller is automatically reset if an overload trip occurs during a start-up delay period. If an overload trip occurs during load starting, the SSPC remains tripped for a reset delay period, and thereafter the SSPC is automatically r... | 10/03/1995 |
| 5448248 | Adaptive radio direction finding system RF energy received by an antenna (10) of a radio direction finding system is evaluated for determining the presence of a RF signal transmission source at bearing values at which the received RF energy is statistically strong (33) and which have a relative... | 09/05/1995 |
| 5431084 | Helicopter integrated fire and flight control having azimuth and pitch control A fire control system (55) azimuth command and elevation command provides a flight control system attitude reference in response to operation of the flight control system in a coupled aiming mode. The coupled aiming mode is engaged in response to the cont... | 07/11/1995 |
| 5429089 | Automatic engine speed hold control system An automatic engine speed hold control system (430) allows an engine (420) to quickly achieve a commanded engine speed and thereafter maintain a constant commanded engine speed regardless of changes in engine loading. An engine speed error signal (444) is... | 07/04/1995 |
| 5422517 | Control of electric loads during generator failure in a multi-generator system In response to the loss of a generator in an electrical power system, all operating electrical loads are automatically switched to a second generator, and the electric power system continues to provide power to all of the loads. The total power required t... | 06/06/1995 |
| 5415364 | Wire cutter system having aerodynamic, microwave energy absorbing fairing A fairing 122 is provided for covering a wire strike cutter 120. The fairing 122 comprises a microwave energy absorbing core 150 covered by dielectric skin 160,161,165,166. The fairing 122 reduces the radar signature of the wire cutter and fractures in re... | 05/16/1995 |
| 5404305 | Control of pilot control station authority for a dual piloted flight control system In a dual station sidearm control system, a pilot control station provides pilot control signals in response to pilot activation of a pilot sidearm controller (210) and a co-pilot station provides co-pilot control signals in response to co-pilot activatio... | 04/04/1995 |
| 5396255 | Automated far field antenna pattern test facility An antenna test and measurement system (100) performs measurements of the transmitted or received signal strength of a vehicle mounted transmit or receive antenna (102) with respect to all aspects of the system with respect to the vehicle mounted antenna,... | 03/07/1995 |
| 5396252 | Multiple target discrimination A target tracking system (10) comprises sensors (12) which provide data corresponding to a region of interest, the data being time dependent and consisting of amplitudes, ranges and angles. A window (202) is placed around data of interest, the size of the... | 03/07/1995 |
| 5394502 | Fiber optic cable harness break-out fitting A fiber optic cable harness break-out fitting (10) is provided with a pair of support legs (12, 14) for supporting contact with a fiber optic cable harness (42) having a plurality of fiber optic cables (45). A take-off tube (20) is positioned between the ... | 02/28/1995 |
| 5363317 | Engine failure monitor for a multi-engine aircraft having partial engine failure and driveshaft failure detection An engine failure monitor 50 for use with a multi-engine aircraft having at least two engines detects conditions indicative of a partial (700) or total (400) engine failure, including turbine shaft failures (600). In response to an engine failure, suitabl... | 11/08/1994 |
| 5351916 | System for automatic loading of vehicles for transport A control system for automatically loading and unloading a vehicle (10) from a cargo compartment comprises a plurality of distance measuring sensors (31,32,33,34) attached to specified locations on the exterior surfaces of the vehicle (54,56,57) and the c... | 10/04/1994 |
| 5333816 | Aircraft landing gear swivel locking pin having automatic release and reengage An aircraft landing locking pin (12) automatically repositions from an engage position, wherein a rotating portion (15) of the landing gear is prevented from rotating, to a released position, wherein the rotating portion if free to rotate, in response to ... | 08/02/1994 |
| 5331881 | Helicopter integrated fire and flight control having azimuth and pitch control A fire control system (55) azimuth command and elevation command provides a flight control system attitude reference in response to operation of the flight control system in a coupled aiming mode. The coupled aiming mode is engaged in response to the cont... | 07/26/1994 |
