Matches 1 - 50 out of 87 1 2 >
Match Document Document Title
7073386 Multi-bore pressure sensing probe  
A pressure sensing probe having a probe body defining at least two bores communicating with respective bore entrance openings and bore exit openings therein for receiving a fluid flow into the bore...
6820501 Differential static pressure measuring and activating device and control mechanism  
A differential static pressure measuring or activating device measuring fluid flow through a duct including two pitot tubes each including a proximal end connected to a valve, a distal end portion...
6634242 Apparatus for measuring respiratory gas flow by means of a disposable respiratory tube  
Disclosed is an apparatus for measuring respiratory gas flow, which provides a high accuracy in measurement of the respiratory gas flow and reduces the manufacturing cost of the apparatus, in...
6591696 Integral electric pressure probe for aircraft  
An electric pressure probe for an aircraft comprises: a pitot tube assembly for collecting pneumatically air pressure in the vicinity of the assembly; a strut including one end mountable to a...
6584830 Viscosity measuring apparatus  
Apparatus for measuring the viscosity of a Newtonian fluid, includes a tubular housing which defines an internal cavity; a fluid restriction structure disposed in a first portion of the cavity; and...
6564651 Modular high-temperature gas flow sensing element for use with a cyclone furnace air flow measuring system  
A high temperature gas flow sensing element module, using Pitot tube technology, for use within a fluid conduit consisting of a housing having an inlet, an outlet, and forming a hollow interior...
6532829 Fluid flow measurement  
A method and apparatus are provided for determining an estimate of flow stability, in addition to providing a measurement of flow velocity distribution. To this end, monitoring is provided of the...
6487918 Airflow sensor for averaging total pressure  
A flow sensor for compressible fluid comprising a central hub having a total pressure chamber and a static pressure chamber disposed therein. A pair of wings extend radially outward from opposing...
6450043 Probe for monitoring intake air volume and method  
A probe for use in monitoring intake air volume in an air handling system operates in a turbulent stream found at locations near an intake for outside air. The probe has a very large transverse...
6386049 Pump flow test system  
A pump flow test system for accurately measuring the aggregate fluid flow from all pumps of a fire truck. The inventive device includes a reservoir structure for storing a volume of fluid, an...
6289745 High temperature insertion type flow element and mounting extension  
Disclosed is a high temperature insertion type flow element and mounting extension assembly for a gas flow measuring device. Designed to overcome the drawbacks associated with compensating for...
6189390 Method and apparatus for measuring gas velocity or other flow characteristic  
A method and apparatus for measuring gas flow in a conduit includes the steps of providing a plurality of gas flow measuring devices, positioning the gas flow measuring devices at a plurality of...
6149515 Combination moisture elimination louver and air flow sensor and method  
A moisture elimination louver includes a housing which allows fluid flow between an air inlet opening on an upstream side of the housing and an air outlet opening on a downstream side of the...
6129113 Air flow measurement station with orthogonally mounted damper  
An air flow measurement station with orthogonally mounted damper includes a station housing which encloses a damper with a plurality of movable damper blades. The damper blades are oriented in a...
6109116 Method and apparatus for use in installing a through-the-wall sensing device in a laboratory fume hood  
A method and apparatus for use in installing a through-the-wall sensing device in a laboratory fume hood. The apparatus includes a sample tube with an outlet and a plurality of apertures and the...
6094993 Method for measuring flow rate of a fluid in a conduit  
A method of measuring fluid flow through a conduit takes a plurality of pressure readings at a high sampling rate preferably of from 15 to 25 samples per second. The square root of each reading is...
6058787 Mass flow measuring device  
A mass flowmeter includes a hollow flow tube with a contoured longitudinal bore. Inserted into the contoured longitudinal bore are preferably four rods. The rods establish stable axial vortices...
6044716 Fluid pressure detector and air flow rate measuring apparatus using same  
An air flow rate measuring apparatus includes a casing having opposite open ends, a flow rectifier mounted within the casing at an upstream-side portion thereof with respect to a direction of flow...
5817950 Flow measurement compensation technique for use with an averaging pitot tube type primary element  
A transmitter in a process control system for measuring flow rate measures total pressure (P TOT ) and differential pressure (h) of process fluid flowing through a process pipe. The static pressure...
5797105 Air active control aircraft using three dimensional true airspeed detection system  
An air active control aircraft having an air three-dimensional true airspeed detection system composed of an air data sensor probe in the form of a truncated pyramid-shape Pitot probe and an air...
5753825 Velocity averaging pitot  
A fluid pressure sensing apparatus has at least one pressure sensing element that is adapted to extend transverse to the direction of flow of a fluid flow stream. The probe is divided into an...
5736651 High temperature gas flow sensing element  
A high temperature gas flow sensing element is disclosed having a housing with similar internal dimensions as the fluid conduit, whether round or rectangular. An interior flow conditioner is...
5730652 Damper with stationary pitot-static sensing vanes  
An adjustable damper for controlling air flow from one area to another includes a rectangular frame forming an opening with a number of movable vanes positioned to selectively close off or open up...
5687768 Corner foils for hydraulic measurement  
An arrangement of air foils in a duct bend for channeling an air flow through the duct in a manner which enhances the accuracy of pressure measurements taken at one or more points in the channels...
5665923 Full range-high accuracy air flow sensing device  
An air flow sensing device comprised of rotatable spaced dampers, shafts to rotate the dampers, a counter-weight attached to a shaft biasing the dampers to a closed position with respect to air...
5628565 Multifunctional air data sensing probes  
An aerodynamic air data sensing probe adapted for mounting to an air vehicle and capable of generating signals related to a fluid flowing relative to the air vehicle. A fluid inlet positioned on a...
5616861 Three pressure pseudo -Δ-P sensor for use with three pressure air data probe  
An air data sensing system utilizes a plurality of probes, each probe having three pressure sensing ports, and each assembled with a sensor package that minimizes the need for corrections due to...
5535633 Differential pressure sensor for respiratory monitoring  
A differential pressure sensor for measuring respiratory gas flow including a tubular housing having a bore containing a diametrically-oriented, longitudinally extending strut containing first and...
5509313 Method for measuring flow rate and direction of a fluid in a conduit  
A method of measuring fluid flow through a conduit first finds a null position then rotates the probe 90° from the null position to be aligned with the true flow direction of the field. The null...
5483839 Multi-pitot tube assembly  
A multi-pitot tube assembly for use in flow measurements of a fluid surroing a test structure. The assembly has multiple, identically shaped pre-formed pitot tubes sealed within a molded...
5481925 Low turbulence airflow sensor  
An airflow sensor is designed with features which enhance the accuracy of measurement. The central hub of the airflow sensor is made in an air foil shape to reduce noise and turbulence at that...
5442958 Deployable probe combined with flush static port  
A deployable probe has pressure ports positioned radially around a longitudinal probe axis. The probe mounts within a pressure chamber such that it can reciprocate from a retracted position where...
5433114 Pressure or temperature measuring apparatus and a cartridge of sensors for use in the same  
A rake for measuring pressures or temperatures in a gas flow includes an elongate member which has a single recess in the front face thereof. Within the recess are located a plurality of sensors....
5423209 Truncated pyramid-shape multi-hole pitot probe and flight velocity detection system using said truncated pyramid-shape multi-hole pitot probe  
A flight velocity detection system using a truncated pyramid-shape multi-e Pitot probe in which an extreme end portion has a truncated pyramid-shape, a cylindrical hole is provided at the apex...
5402687 Parallel plate pitot  
A pitot of the type adapted to be positioned in a stream of moving fluid such as an air duct and accurately measures wide variations in flow rate. A first plate with opposing sides and opposing...
5379218 Method and apparatus for minimizing effects of cross wind on vehicle handling  
This invention provides an arrangement which compensates for the dynamic effects of cross winds on the steering of a vehicle. A single differential pressure sensor is connected with pressure...
5241866 Probe shapes that measure time-averaged streamwise momentum and cross-stream turbulence intensity  
A method and apparatus for directly measuring the time-averaged streamwise momentum in a turbulent stream use a probe which has total head response which varies as the cosine-squared of the angle...
5123288 Averaging pitot probe  
To measure speed of gas flow along a pipe a flowmeter is used comprising a gas flow sensor connected by tubing with an averaging pitot probe formed by first and second tubes of circular...
5119673 Apparatus for determining crosswind effects on vehicles  
An apparatus for determining crosswind effects on motor vehicles has arranged on the vehicle two differential pressure sensors which are each connected via two conduits to two openings at the...
5063962 Apparatus for the controlled ventilation of rooms  
For the controlled ventilation of a room a duct portion (8) with a quantity control and measurement means is provided in the ventilating duct. The duct portion (8) surrounds a tubular hollow body...
5036711 Averaging pitot tube  
An averaging pitot tube for measuring fluid flow in a pipe or conduit, is disclosed, including an integral head connected by a transition to a sensing tube or probe. The probe is insertable through...
4987542 Arrangement for determining the effects of cross winds on vehicles  
At a vehicle, pressure probes are arranged, which generate signals from which differences and differential quotients are formed. As a result, quantities may be generated by a computer which reflect...
4912973 Multiple point velocity probe  
A device for measuring the velocity of a fluid such as gas or air, traveling through a duct, which device relies upon a series of precisely controlled apertures for gathering a plurality of fluid...
4911021 Air sampling apparatus  
Air sampling apparatus usable with airflow measuring equipment includes probe apparatus for inserting into airflows remote from a meter and the probe apparatus includes wands having ports for...
4823615 Self-averaging pitot tube probe and method for measuring fluid flow  
A self-averaging pitot tube probe has an elongated elliptically-shaped body which produces laminar flow of fluid sub-boundary layers around the body. The body includes upstream high pressure...
4768386 Air pressure measurement element and system incorporating same  
A unitary element for use in measuring the total and static pressure of a gas flowing through a duct is disclosed in a preferred embodiment. The element is elongated and hollow, having a...
4765751 Temperature and pressure probe  
A pressure and temperature measuring probe with a low drag, airfoil shaped cross section includes a longitudinally extending pressure cavity adjacent the leading edge and a separate longitudinally...
4735100 Fluid flow sensor having multiplying effect  
A sensor has two independent pressure chambers, each of which is in fluid communication through a plurality of relatively small passages to the flow within a duct; the passages for the first...
4703661 Differential pressure flow probe  
A differential pressure flow sensor to measure the differential pressure in fluid flow in a pipe including an elongated pressure tube designed as an elongated hollow tube which is provided at its...
4696194 Fluid flow measurement  
A sensing probe 10 for use in determining fluid flow rates along a duct 11 comprises a probe pipe 12 mounted within a wall of the duct 11 to extend thereacross. A plurality of total pressure...
Matches 1 - 50 out of 87 1 2 >