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Class 73/861.85 - Anemometers


Subclass of Class 73 - Measuring and testing
Definition: Subject matter wherein wind speed is measured with a turbine.
No. of patents: 48
Last issue date: 04/27/2010


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NumberTitleIssue Date
7703339Flow sensor chip
A flow sensor has an inlet chamber with a first pressure sensor and an inlet port for receiving fluid, and an outlet chamber with a second pressure sensor and an outlet port. The flow sensor also has an anemometer in fluid communication with at least one of the two ...
04/27/2010
7647843Universal sensor controller for a thermal anemometer
A flow switch uses an analog-to-digital converter combined with a multiplexer to measure voltages at one or more points of a measurement circuit and an algorithm within a microcontroller to calculate flow velocity. The measurement circuit has at least one sensor in ...
01/19/2010
7591193Hot-wire nano-anemometer
A nano-anemometer is formed by growing a nanowire to span an open area between a pair of electrodes. The nanowire is coupled to a sensing apparatus to form a hot-wire nano-anemometer. ...
09/22/2009
7562588Method and apparatus for controlling mass flow rate of recycled anode tail gas in solid oxide fuel cell system
In an SOFC stack system, a reformer supplies reformate to the stack. An anode tail gas portion is recycled into the reformer. An inline flowmeter indicates an apparent recycle flow rate. A map of anode tail gas composition as a function of fuel utilization efficienc...
07/21/2009
7520181Apparatus for measuring airflow generated by computer fan
An exemplary apparatus for measuring airflow speed of a computer system fan includes an air guide sleeve having one end configured for connecting to an air outlet of the computer fan for guiding the airflow of the computer fan therethrough; a fixed loop connected to...
04/21/2009
7509880Fluid flow meter body with high immunity to inlet/outlet flow disturbances
Method and device are provided for accurately measuring fluid flow in a conduit. A fluid flow meter conditioning body, in-line with the conduit, conditions the fluid flow so as to provide a flattened and invariant fluid velocity profile. The device provides high imm...
03/31/2009
7418878Universal sensor controller for a thermal anemometer
A fluid property measurement system uses an analog-to-digital converter combined with a multiplexer to measure voltages at one or more points of a measurement circuit and an algorithm within a microcontroller to calculate a fluid property. The measurement circuit ha...
09/02/2008
7380471Micro gust thermal anemometer
A thermal anemometer for measuring airflow includes an ovenized semiconductor device including an internal oven. The oven is powered by an oven current such that the oven current varies with air flow over an outside surface of the semiconductor device. A resistor is...
06/03/2008
7363808Method, system and computer program product for nacelle wind speed correction
A technique for correcting measurement error in data produced by a nacelle-based anemometer and for determining free stream wind speed for a wind turbine involves ascertaining parameters related to the wind turbine and the operation thereof, and using the parameters...
04/29/2008
7357133Triggering circuit for an aerosol drug-dispensing device
An electronic gas flow triggering circuit for use in an aerosol drug dispensing device has a voltage source and a self-nulling circuit to which voltage is supplied from the voltage source. A hot wire anemometer filament forms a component of the bridge circuit which ...
04/15/2008
7351034Impeller device for data acquisition in a flow
This invention relates to an impeller device for data acquisition in a flow. It comprises a support (3) with two bearing blocks (4.1, 4.2) to hold a spindle (2) around which the impeller (1) is fitted. The spindle (2) comprises two...
04/01/2008
7140263Anemometer circuit
An anemometer circuit comprises a sensor having a resistance which varies with temperature, immersed within a moving medium, the mass flow rate of which is to be determined. A control loop causes a current to flow through the sensor resistance, and varies the curren...
11/28/2006
7100440Flow meter
A compact and light flow meter having a rapid response includes a main body having a groove portion opened in the upper portion and also having connecting portions for communicating the groove portion and the exterior at both ends of the groove portion; a detachable...
09/05/2006
7051599Thermal transient anemometer having sensing cell assembly
A thermal transient anemometer provides mass flow rate or volume flow rate over smaller discrete regions of a larger flow field, i.e., the distribution of such rates over a predefined, larger area. The thermal transient anemometer comprises two components: a frame w...
05/30/2006
7017425Bucket wheel assembly for fluid flow meters
An improved bucket wheel assembly with a center frame, having a plurality of fingers extending therefrom. In each of the fingers a slot is formed. The assembly also includes a plurality of conically shaped hollow cups. The hollow cups each have a wall that forms an ...
03/28/2006
6976393Pygmy 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 bucket wheel supported between the first and second forks of the yoke; a f...
12/20/2005
6923054Microscale out-of-plane anemometer
A microscale out-of-plane thermal sensor. A resistive heater is suspended over a substrate by supports raised with respect to the substrate to provide a clearance underneath the resistive heater for fluid flow. A preferred fabrication process for the thermal sensor ...
08/02/2005
6923079Recording, transmission and/or playback of data representing an airflow
Data representing one or more characteristics of an input airflow (e.g., an airflow associated with a human being, such as breath or an airflow resulting from motion of the human being, or a wind tunnel airflow) is acquired and, if necessary or desirable, processed,...
08/02/2005
6895812Cup anemometer
The present invention relates to a cup anemometer having at least two cups (1) each attached to an arm (2) of a hub (3) on a rotary shaft. By cup is meant a generally seen cup-shaped body with a concave inner surface (6) and a convex oute...
05/24/2005
6840116Kelvin sensed hot-wire anemometer
A Kelvin sensed hot-wire anemometer includes four electrically conductive pins and a filament welded to all four pins, preferably using a single filament. A current source is coupled to the two innermost pins so as to provide current flow in the segment of filament ...
01/11/2005
6799478Anemometer method and apparatus
An anemometer that visually indicates the speed of the wind by the position of a float housed within a first chamber. The first chamber is in communication with a second chamber through a vertically extending conduit system. The second chamber is in communication wi...
10/05/2004
6705158Hot wire anemometer with extendable probe
A hot wire anemometer comprising a support member having a data processing system, probe head with a hot wire sensor and an ambient temperature sensor and an extendable portion having conductors therein for transfer of collected data and command data between the dat...
03/16/2004
6647809Silicon carbide high temperature anemometer and method for assembling the same
A high temperature anemometer includes a pair of substrates. One of the substrates has a plurality of electrodes on a facing surface, while the other of the substrates has a sensor cavity on a facing surface. A sensor is received in the sensor cavity, whe...
11/18/2003
6564652X-wire probe for velocity measurements near the downstream edge of an aperture
A velocity measurement probe comprises a straight body, four bent prongs projecting from the body and two cross-wires secured by the prongs. The prong tips are at right angles to the opposite ends of the prongs, which project at first in the body's axial ...
05/20/2003
6553810Method for measuring chemical emissions
A test device for measuring chemical emissions to the atmosphere from a leaking component that includes a housing containing an air mover for drawing ambient air directly into the housing. The air mover is capable of operating at a high flow rate and a lo...
04/29/2003
6421617Interface including fluid flow measurement for use in determining an intention of, or an effect produced by, an animate object
Fluid flow can be measured using a multiplicity of sensors in a manner that enables acquisition of detailed information regarding the fluid flow. In particular, the invention can advantageously be used in situations in which the measured fluid flow is ant...
07/16/2002
6314793Test device for measuring chemical emissions
A test device for measuring chemical emissions to the atmosphere from a leaking component that includes a housing containing an air mover for drawing ambient air directly into the housing. The air mover is capable of operating at a high flow rate and a lo...
11/13/2001
6145386Air flow test machine for rotors
The invention relates to an air flow test apparatus for determining the amount of air moving through vents in a turning ventilated rotor. The air flow test apparatus includes an elongated cylindrical shaft journalled for rotation in spaced apart bearing b...
11/14/2000
5710380Anemometer
An energy-efficient, miniature, hot sensor anemometer designed for battery operation, including an hot airflow sensor, exposed omnidirectionally to the ambient air, for measuring speed of airflow. The anemometer is a subsystem incorporated in a miniature,...
01/20/1998
5639964Thermal anemometer airstream turbulent energy detector
A turbulence sensor whose signal output is processed to substantially reduce accumulated turbulence signal bandwidth and provide a permanent stored record in which maximum information content is preserved while a minimum of data samples are recorded. Both...
06/17/1997
5517862Apparatus and method for measuring ventilation flow exiting a spinning rotor
An apparatus and method for measuring discrete velocities of exhaust flows coming out of individual circumferential rotor body vent holes while a rotor is running at operating speed. The apparatus and method employs a hot film anemometer to measure flow d...
05/21/1996
5469738Wind speed indicator
A wind speed indicator includes a series of spaced individual indicia provided on a member which is rotatable in response to movement of air caused by the wind. The indicia may take the form of individual dots spaced equally about the circumference of a c...
11/28/1995
5361633Method 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 having radially and axially mounted reed switches. As the ane...
11/08/1994
5353651Method and apparatus for sampling water quality in a municipal water system
A water sampling station installed adjacent the user of a residential water supply includes a housing, a cover removably fitted to the housing, a quick connect-disconnect coupler within the housing and a back flow preventer between the municipal water sup...
10/11/1994
5231876Method and apparatus for wind speed and direction measurement
An apparatus for measuring wind speed and direction includes: a wind vane which has a permanent magnet, an anemometer which has a permanent magnet and a ferromagnetic member, and a stationary housing which has a radially mounted reed switch and an axially...
08/03/1993
5038607Wind speed and wind direction signal generator
A wind speed and wind direction signal generator includes first and second pulse signal generators each with a respective stator and rotor. The stator for each pulse generator has at least two stator coils mounted at a radial angle relative to each other ...
08/13/1991
4978485Method for controlling a quench fluid velocity in a polymer melt spinning process
A method for controlling a quench fluid velocity delivered to a quench zone in a polymer melt spinning process wherein the quench fluid velocity is measured by a velocity detector, compared to a desired quench air velocity and a damper valve mechanism is ...
12/18/1990
4854579Wind indicator for golfers
There is disclosed a wind indicator for use by a golfer which includes a vane movably mounted on a base for indicating wind direction and a propellor rotatably mounted with the vane and carrying observable indicia which varry in appearance in accordance w...
08/08/1989
4840062Fiber 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 comprised of fiber optic cables which make and break an infra...
06/20/1989
4548074Wind 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 actuator through a signal producing gap of the first coil...
10/22/1985
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