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7197925 |
Wind indicator
Wind indicator apparatus for indicating air flow comprising: a direction pointer, including a vane member, for providing a visible indication of air flow direction; pivoting means including a fixed...
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6976393 |
Pygmy current meter with magnetic switch
An apparatus for measuring fluid velocity includes a generally Y-shaped yoke including a base and first and second forks, the first and second forks including through holes at ends thereof; a...
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6918294 |
Vane for measuring wind orientation with integrated heater
Weather vanes ( 1 ) are delicate instruments partially exposed to external conditions. They are used in particular in the aeronautical industry. The measurements provided by these weather vanes are...
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5877416 |
Anemometer employing standing wave normal to fluid flow and travelling wave normal to standing wave
An anemometer comprises an acoustic resonant cavity 1 between two plates 2 and 3 and open in the direction of flow of a fluid, the cavity having at least one pair of electro acoustic transducers 5...
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5646343 |
System and method for monitoring wind characteristics
A system for investigating the variation of one or more wind characteristics within a volume over a given area comprises a plurality of detectors which output a data signal which is indicative of...
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5639963 |
Multi-directional wind direction and speed indicating apparatus
A navigational aid location. The for assessing fluid conditions, such as wind, at a predetermined device is comprised of an assembly including a vertically oriented support member, a vaning member...
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5616860 |
Azimuth indicator equipped with anemometer capable of indicating blowing direction of wind
In an azimuth indicating apparatus, there are provided a wind speed measuring unit for measuring a wind speed, an azimuth measuring unit for measuring azimuth, a display unit for displaying wind...
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5361633 |
Method and apparatus for wind speed and direction measurement
An apparatus for measuring wind speed and direction includes: a wind vane having a permanent magnet, an anemometer having a permanent magnet and a ferromagnetic member, and a stationary housing...
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5029101 |
High voltage conductor mounted line powered monitoring system
A hot-stick mountable, line powered, EHV conductor mounted environmental monitoring apparatus. The sensor module contains sensors for monitoring solar insolation, wind speed, lightning flashes,...
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4953402 |
Wind measuring system (anemorhumbometer)
A wind measuring system can be used in meterology for a more accurate and reliable measurement of the velocity and the direction of an air current. The system has a sensor for velocity and a wind...
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4840062 |
Fiber optic current meter with plastic bucket wheel
A current meter for measuring velocity in a moving fluid is disclosed which omprises a one-piece plastic bucket wheel retained by a yoke or other suspension device and a signal generating device...
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4812844 |
Windshear detection indicator system
Windshear indicator system comprised of a plurality of individual windshear detection and indication devices (10) disposed to one side of and parallel to the landing approach and takeoff areas of...
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4548074 |
Wind speed and direction indicator
A wind direction device comprising first and second electrical coils for respectively producing electrical signals utilized for indicating the wind direction, and an anemoneter for rotating a first...
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4488431 |
Wind speed and direction indicator and electric current generating means
This invention relates to a wind direction indicator spherically rotatable about a liquid supported poly axial magnetic compass. The wind direction indicator determines the wind direction without...
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4391136 |
Three-axis current meter
A three-axis current meter for measuring all three components of current velocity in the absence of self-interference caused by the sensor supports. Acoustic transducers for measuring the current...
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4334430 |
Device for metering the angular position of a direction indicator
A device for metering the angular position of a direction indicator, such as a wind direction indicator (10) mounted rotatably about an axis. The said device comprises the reference member (18)...
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4245499 |
Apparatus for the controlled sampling of rain water
An apparatus for sampling rain which comprises a container receiving a saing vessel and provided with a cover having a drive which opens upon detection of a first rain phase and closes at a second...
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4201973 |
Airport landing indicator apparatus
Airport landing indicator apparatus designed basically for remote airports and landing fields including means responsive to wind direction and a pair of runway locators, in the form of lighted...
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4170899 |
Method and apparatus for measuring gas flow speed
A method and apparatus for measuring the speed of a gas stream, particula suitable for use in detecting wind speed, utilizes the gas flow to create a negative pressure across a pressure sampling...
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4155252 |
Wind energy metering and recording systems
A system for detecting and metering wind energy and recording the total integrated energy or power levels over any desired period of time. The system emphasizes simplicity of design to achieve: a...
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4152933 |
Wind monitoring assembly and method
A windborne vehicle is attached to one end of a tether line which is secured to a tether mast. The tether mast is secured to a ground anchor mechanism for rotative freedom about a vertical axis....
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4137764 |
Vortex advisory system
The separation between aircraft approaching a common runway is minimized by measuring the existing wind conditions at a preselected point relative to the runway threshold and basing a prediction of...
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4078426 |
Anemometer
An anemometer includes a rotor mounted to spin about a vertical axis in response to wind being directed against it, and a cage having a plurality of circumferentially spaced apart, vertically...
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4058010 |
Airport wind shear monitoring method and apparatus
Wind conditions and anomalies in the proxmity of an airport runway approach and departure flight path may be monitored by the tethered deployment of a plurality of extremely light and expendable...
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4052894 |
Velocity vector sensor for low speed airflows
A dual pivoting vane having a miniature dual bead thermistor anemometer at its upstream extremity and with light beam angular position sensors on the pivot axes provides a sensitive velocity vector...
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4011752 |
Adaptive speed and direction analyzer
A device for the continuous computation of fluid velocity, the simultaneous analysis of direction of fluid motion, and the storage of both is described. Utilizing multiple sensors, the device...
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3971251 |
Dynamically balanced apparatus for water borne instruments
A dynamically balanced apparatus for water borne instruments such as current direction and velocity meters having a stand off support rotatably secured to a cable whose lower end is anchored and...
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3871220 |
Wind velocity and direction apparatus
Apparatus is disclosed for capturing the wind in a fabric body which fabric body is responsive to wind direction changes and velocity. The fabric body is able to rotate about a mast in response to...
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3713336 |
COMBINATION FLUID FLOW SPEED AND DIRECTION TRANSDUCER
A transducer including an anemometer having a magnetic flux concentrator in one arm thereof and including an earth's magnetic field sensitive device for providing a first electric signal which is a...
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3691829 |
WEATHER VANE ANOMOMETER
There is disclosed a weather vane anomometer having a self-contained source of electrical power and means associated therewith for indicating on a map wind and storm direction.
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3670569 |
FLIGHT MEASURING APPARATUS
This invention relates to an apparatus for simultaneously measuring the angle of incidence, the angle of sideslip, distance covered along a flight path and air speed of an aircraft which comprises...
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3645132 |
ELECTRICAL FLOW-MEASURING PROBE
A hot-film measuring probe for measuring the shedding frequency of vortices in a medium in which a sensing member is arranged on the vortice generating body. The sensing member or members are...
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3548654 |
TRUE AIR SPEED METER WITH RELATIVE WIND DIRECTION
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3447372 |
CROSSWIND SENSING SYSTEM
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3430217 |
AUTOMATIC WEATHER INFORMATION SENDING DEVICE
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3421371 |
SHAFT SPEED AND ANGULAR POSITION INDICATING SYSTEM
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3420101 |
FLOW VELOCITY AND DIRECTION SENSOR
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3387491 |
Compass-oriented fluid velocity and direction sensor
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3374670 |
Navigation instrumentation
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3373606 |
Multipurpose wind instrument
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3343412 |
Horizontal wind detector
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3336802 |
Device for averaging wind velocity and direction
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3330155 |
Magnetic tape oceanographic meter
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3316761 |
Recording anemometers
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3299700 |
Directional air sampler
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3286521 |
Wind direction and velocity recording system
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3282099 |
Wind speed and direction transducing apparatus
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3276256 |
Wind indicating system
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3224268 |
Weather recording station
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3119261 |
Anemometer
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