171030 ⎘
Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave
Sub-classes:WIND MONITORING SYSTEM FOR A VEHICLE
#2SYSTEMS AND METHODS FOR SMART CARBON CAPTURE AND POWER GENERATION
#3Automated Methods of Collecting Environmental Data Along a Ballistic Trajectory
#4WIND GUST DETECTION BY AN AUTONOMOUS VEHICLE
#5METEOROLOGICAL EQUIPMENT TO SUPPORT FLIGHT OPERATIONS OF VERTICAL TAKEOFF AND LANDING AIRCRAFT
#6SYSTEM AND METHOD FOR DETECTING METHANE AND OTHER GASES USING A REMOTELY DEPLOYABLE, OFF-GRID SYSTEM
#7Meteorological equipment to support flight operations of vertical takeoff and landing aircraft
#8WAVE GENERATOR FOR ULTRASONIC AIR DATA SYSTEMS
#9Collecting environmental data along a ballistic trajectory
#10Apparatus, system and method for surveying predetermined characteristics within a body of fluid
#11Wind gust detection by an autonomous vehicle
#12Coupling member for clamp on flow metering
#13A METHOD AND A SYSTEM FOR DETERMING THE WIND SPEED OR THE WIND DIRECTION EXPERIENCED BY A WIND TURBINE
#14METHOD AND AN APPARATUS FOR CHARACTERIZING AN AIRFLOW
#15Acoustic sources for air data systems
#16IMPROVEMENTS RELATING TO DETECTION OF PHYSICAL PERFORMANCE
#17Velocity measurements using a piezoelectric sensor
#18Method and system of acoustic wave measurement of axial velocity distribution and flow rate
#19Acoustic detection of stall over a wing surface
#20Air data system architectures including laser air data and acoustic air data sensors
#21Articulating moored profiler system
#22DRIVING ASSISTANCE APPARATUS AND METHOD
#23Simultaneous real-time measurement of composition, flow, attenuation, density, and pipe-wallthickness in multiphase fluids
#24Wind measurement apparatus based on 3D non-orthogonal ultrasonic sensor array
#25Downhole tool with an ultrasonic probe for measuring fluid flow properties
#26Wind direction and wind velocity measuring apparatus for wind turbine, and device and method for controlling yaw angle of wind turbine by using same
#27Rotating three-dimensional ultrasonic anemometer and method of measuring three-dimensional wind velocity using the same
#28Wind sensor housing
#29Flexible conductive diaphragm, flexible vibration sensor and preparation method and application thereof
#30Trolling motor with wind sensor
#31Ultrasonic flow measuring apparatus detecting propagation time period from a zero cross point when a peak waveform exceeds a trigger level
#32ULTRASOUND WIND MEASUREMENT DEVICE AND METHOD
#33Flow measuring instrument comprising a wind velocity sensor
#34Detection system, signal processing device, detection method, and computer program product
#35Detecting fluid properties of a multiphase flow in a condensate drain
#36Method and system for determining aerodynamic loads from downstream flow properties
#37Corrected RPM calculation method for finding a corrected RPM of a compressor using a sound velocity of an inlet gas sucked into the compressor, and RPM of the compressor, and a reference state quantity
#38Wake vortex avoidance system and method
#39Three-dimensional flow velocity vector, energy and mass gauge
#40Ultrasonic airspeed and direction sensor system
#41IDENTIFYING WIND DIRECTION AND WIND SPEED USING WIND NOISE
#42Ultrasonic transducer for use in a fluid medium
#43Method for wind turbine yaw control
#44Ultrasonic transducer for use in a fluid medium
#45Method and apparatus for determining discharge flow rate and use of the apparatus
#46Aerodynamic measurement probe and helicopter equipped with the probe
#47Deicing system in sodar systems
#48Position correction in sodar and meteorological lidar systems
#49Method for wind turbine yaw control
#50System and method of acoustic doppler beamforming
#51Device for determining and/or monitoring volume and/or mass flow of a medium
#52Means for Performing Measurements in a Vessel
#53Method and system for measuring flow layer velocities using correlation velocity measuring sonar
#54System for determining the air flow conditions around one or more sails
#55Methods and systems for acquiring ultrasound image data
#56Flow meter having a reflector with spherical-concave surface
#57Flow meter for fluid or gas-like media
#58Sodar sounding of the lower atmosphere
#59Measurement of air characteristics in the lower atmosphere