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| Number | Title | Issue Date |
| 8082782 | Method and apparatus for monitoring wind turbulence intensity A method of determining an estimate of the de-trended turbulence intensity TI in a proposed site for a wind farm including the steps of measuring the wind speed at a predetermined sampling frequency fs during a number of time periods pz; calcul... | 12/27/2011 |
| 7770445 | Device for wind estimation and method associated therewith A device for an aircraft moving in an air mass relative to a terrestrial frame of reference. The device can estimate at least one characteristic of a displacement of the air mass relative to the frame of reference. The device receives an element of information about... | 08/10/2010 |
| 7690250 | Method for measuring surface currents using a long-range single station high frequency ground wave radar system A method for measuring ocean surface currents using a long-range single station high frequency ground wave radar system includes the steps of forming a rectilinear grid based region, dividing the rectilinear grid into a plurality of sub-regions each having a uniform... | 04/06/2010 |
| 7581441 | Method and device for protecting an aircraft against clear air turbulence The invention relates to a method of protecting aircraft in flight against clear air turbulence (CAT). Consider an aircraft occupying a position P and moving horizontally at a speed V, a plane PH0 being the horizontal plane passing through P. According to... | 09/01/2009 |
| 7427157 | Wind velocity measuring apparatus A wind velocity measuring apparatus. The apparatus includes a thermal sensor and a processor operatively coupled to the thermal sensor. The processor is configured to receive a first temperature reading from the thermal sensor of a beginning temperature sensed by th... | 09/23/2008 |
| 7385304 | Wind warning system A wind warning system. The system includes: an alarm module configured to provide a audio signal; a power module configured to provide power to the alarm module; and a trigger module configured to trigger actuation of the alarm module. There is also a wind-speed sen... | 06/10/2008 |
| 7377159 | Methods and system for determining angles of attack and sideslip using flow sensors A system for determining angle of attack and angle of sideslip of an air vehicle is described. The system includes a plurality of mass flow sensors, at least a portion of which are mounted to result in a differential in air flow across the respective mass air flow s... | 05/27/2008 |
| 7363809 | Methods and systems for providing air data parameters using mass flow and pressure sensors A system is described that is configured to determine a plurality of air data parameters for an air vehicle. The system includes a mass air flow sensor, a pressure sensor, and a controller. The mass air flow sensor is mounted to sense an air flow caused by movement ... | 04/29/2008 |
| 7334468 | Control logic for fluid flow control devices A system for controlling a fluid flow control device positioned on a surface of a vehicle. The system includes a fluid flow control device, a ground clearance sensor and a controller. The fluid flow control device has a body with at least one surface and an actuatio... | 02/26/2008 |
| 7311000 | Wind speed measurement apparatus and method A buoyant platform apparatus, such as a buoy, is described that comprises a laser radar (lidar) wind speed measurement device. The lidar is arranged to make wind velocity measurements at one or more remote probe volumes of known position relative to said platform. T... | 12/25/2007 |
| 7278293 | Submersible probe A probe for deployment in a fluid measures produces an output representative of a parameter associated with the fluid. The probe includes a density control system to control a density of the probe and a locating system to track a location of probe in the fluid. ... | 10/09/2007 |
| 7274621 | Systems and methods for flow measurement A system estimates flow parameters associated with a fluid flow encountering a bluff body. The system includes multiple sensors distributed on a surface of a bluff body. The system further includes input circuitry and a sensor processing unit. The input circuitry re... | 09/25/2007 |
| 7275013 | Plasma anemometer and method for using same Methods and systems are described for a system for obtaining information regarding a flow. These methods and systems comprise a signal generator configured to generate an alternating current signal at a carrier frequency and a transformer arranged to receive the gen... | 09/25/2007 |
| 7178395 | Control logic for fluid flow control devices A system for controlling fluid flow about a vehicle. The system comprises a fluid flow control device, an obstacle sensor for detecting obstacles, and a controller. The fluid flow control device has a body with at least one surface and an actuation means in operativ... | 02/20/2007 |
| 7124631 | Wind power installation and method and apparatus for use in association therewith The present invention concerns an apparatus for monitoring a wind power installation, with at least one sensor for detecting measurement values, and also a method of monitoring a wind power installation, in which: (i) a measurement value is detected with at least on... | 10/24/2006 |
| 7117735 | Fluid flow direction and velocity sensor A deflection detection system and software. The apparatus includes a system of one or more deflection sensors (18(a)(b)) connected to a pliable rod or other structure. The sensors measure movement due to a fluid impinging on the deflection cylin... | 10/10/2006 |
| 7107853 | Pressure transducer for measuring low dynamic pressures in the presence of high static pressures A sensor is described, which basically consists of a leadless high sensitivity differential transducer chip which responds to both static and dynamic pressure. Located on the transducer are two sensors. One sensor has a thicker diaphragm and responds to both static ... | 09/19/2006 |
| 7093483 | Differential pressure wind meter A wind meter comprising a plurality of micro-electro-mechanical (MEM) differential pressure sensors positioned in a lobed housing, with an even number of circumferential ports arranged in an equally-spaced, circular pattern at the distal ends of the lobes of the hou... | 08/22/2006 |
| 7051586 | Method for determining aerodynamic parameters and method for detecting failure of a probe used for determining aerodynamic parameters The invention pertains to a process for determining aerodynamic parameters of an airflow surrounding an aircraft. On the basis of at least two probes situated on the skin of the aircraft, each probe comprising means for measuring the local angle of attack (αlo... | 05/30/2006 |
| 7010970 | Embedded-sensor multi-hole probes A high-performance, fast-response, multi-sensor pressure probe for velocity and pressure measurement applications in unsteady and turbulent flowfields. The invention includes both 5 and 7-sensor probes, hemispherical-tip probes and conical-tip probes of various diam... | 03/14/2006 |
| 6923051 | Flow vector analyzer for flow bench Apparatus and methods for airflow testing, especially for air testing of gas turbine components on an airflow test bench. Various embodiments of the present invention include the use of a measurement section downstream of the component being tested. The measurement ... | 08/02/2005 |
| 6857312 | Systems and methods for sensing an acoustic signal using microelectromechanical systems technology An acoustic system has an acoustic sensor and a processing circuit. The acoustic sensor includes a base, a microphone having a microphone diaphragm supported by the base, and a hot-wire anemometer having a set of hot-wire extending members supported by the base. The... | 02/22/2005 |
| 6786087 | Controlled thruster driven profiler for coastal waters The present invention relates to a device useful as a controllable variable speed thruster-driven oceanographic profiler for coastal waters for measuring the vertical structure of chosen properties of the oceanic water column. ... | 09/07/2004 |
| 6782150 | Apparatus for sensing fluid in a pipe An apparatus for non-intrusively sensing fluid flow within a pipe is provided. The apparatus includes a first sensing array for sensing acoustic signals traveling at the speed of sound through fluid flow within the pipe, a second sensing array for sensing local pres... | 08/24/2004 |
| 6772627 | Flow vector analyzer for flow bench Apparatus and methods for airflow testing, especially for air testing of gas turbine components on an airflow test bench. Various embodiments of the present invention include the use of a measurement section downstream of the component being tested. The measurement ... | 08/10/2004 |
| 6755080 | Acoustic sounding Methods and apparatus for atmospheric sounding using acoustic chirps are disclosed, the transmitted and echo chirps being compared in a mixer that yields frequency sums and differences. Preferably, the mixing is performed as a complex multiplication in the Fourier d... | 06/29/2004 |
| 6601447 | Acoustic anemometer for simultaneous measurement of three fluid flow vector components An apparatus for measuring a fluid flow velocity vector including a signal generator for generating an oscillating electrical signal, an acoustic transmitter for generating an acoustic signal proportional to the oscillating electrical signal; and at least... | 08/05/2003 |
| 6592752 | Cleaning system for swimming pools and the like A recirculating pump system is connected to either skimmers, or a catch basin for a vanishing edge of a swimming pool, to supply water to the suction inlet of the pump system. A water distribution valve operated by an electric control system distributes w... | 07/15/2003 |
| 6568260 | Method and apparatus for determining air flow and pressure data of an aircraft or aerodynamic vehicle A measuring system for determining an air data for an aircraft includes a measuring device for determining measured variables which are a function of the resulting flow vector and the inertia forces acting on a front fuselage section in relation to a rear... | 05/27/2003 |
| 6531967 | Aircraft disturbed air direct sensing system Airspeed direct sensing transducer apparatus in a system where fast response gust sensors are aircraft wing mounted, each gust sensor mounted on opposite wing halves feeding the absolute value of low-pass filtered direct sensed airstream gust cross-compon... | 03/11/2003 |
| 6502459 | Microsensor for measuring velocity and angular direction of an incoming air stream A rugged microsensor assembly is disclosed that measures both the velocity and angular direction of an incoming air stream. The microsensor assembly includes at least two flow sensors, each orientated to measure a different velocity component of the incom... | 01/07/2003 |
| 6164128 | Apparatus, method and formula relating to total-wind statistics A wind apparatus which is used to calculate, record, and transmit data pertinent to "total wind" statistics and also includes a formula or method for converting total wind over a given period of time into wind units (WU).... | 12/26/2000 |
| 6000285 | Apparatus and method for determining wind profiles and for predicting clear air turbulence The invention provides a system for passive measurement of atmospheric temperature using a passive direction detector for detecting the energy of a narrow wavelength band emanating from a volume of atmospheric gas. The resulting signal can be associated w... | 12/14/1999 |
| 5974875 | Apparatus and method for predicting clear air turbulence The invention provides a system for passive measurement of atmospheric temperature using a passive direction detector for detecting the energy of a narrow wavelength band emanating from a volume of atmospheric gas. The resulting signal can be associated w... | 11/02/1999 |
| 5918276 | Wind speed monitoring system A system for monitoring the wind speed experienced at a particular residential location includes a roof housing with a cup-type anemometer having three or four concave cups attached to a rotatable vertical shaft. The cups resist the wind, causing the cups... | 06/29/1999 |
| 5874673 | Air speed and direction indicating system for rotary winged aircraft An airspeed and direction indicating system for an aircraft of the rotary wing type includes a vertical accelerometer for monitoring the up and down movement of an outer portion or tip of the rotary wing. The vertical accelerometer produces a generally si... | 02/23/1999 |
| 5783745 | Anemometer/thermometer Wind for speed, direction, and temperature measurement is passed along a plane. A sound wave generating transducer (speaker) is addressed to the plane. At least two, and preferably three sound wave receiving transducers (microphones) surround the sound wa... | 07/21/1998 |
| 5783753 | Vane anemometer having a modular impeller assembly A vane anemometer is disclosed in which a modular vane assembly is removably mounted within the case of the instrument. Within the modular vane assembly is a rotatably mounted impeller shaft. The impeller assembly preferably can be removed and inserted in... | 07/21/1998 |
| 5744710 | Fast maximum likelihood processor for means wind velocity estimation A real time maximum likelihood estimator (MLE) processor employs a table look-up mechanism to eliminate the MLE computation complexity. The real time MLE processor can be implemented with digital signal processing (DSP) chips in a personal computer. Optim... | 04/28/1998 |
| 5691914 | Fluid flow measurement correcting system, and methods of constructing and utilizing same An apparatus for calculating fluid flow in a channel, comprising a probe member which detects fluid depth in the channel; a mechanism for measuring average fluid velocity in the channel; a mechanism for correcting the detected fluid depth based upon the m... | 11/25/1997 |
