Matches 1 - 50 out of 117 1 2 3 >
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7340967 Device for measuring a mass flow rate of a particulate material  
A device for measuring a mass flow rate of a flow of particulate material which moves in a predetermined direction. The device includes a weighing cell, a first apparatus, a second apparatus, and a...
7313973 Flow sensor and fire detection system utilizing same  
In a fire sprinkler system, flow sensors are used having strain gauges mounted on supports which project into the sprinkler pipes. When water flow occurs, the supports bend, changing the strain...
7168330 Multi-parametric media transducer  
A multi-parametric transducer is provided. In one aspect of the invention, the multi-parametric transducer includes an enclosure having an inner bore that defines a port, an inner chamber coaxial...
7017425 Bucket 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...
7004038 Fiber optic flow meter  
A metering module, or a system employing such, for monitoring fluid flow with a laser light source, a light detector and a processor, wherein the fluid may be a gas or liquid. A valve section and a...
6681645 Moving target flow meter  
A target-type flow meter uses a target in a flowing fluid and selectively changes the orientation of the target with respect to the direction of flow of the fluid between two or mote orientations,...
6631648 Microfluidic flow sensing method and apparatus  
Sensing of microfluidic flow is carried out by confining and directing a fluid along a surface in a primary direction of flow past a cantilever beam which is mounted at one end of the beam to the...
6591697 Method for determining pump flow rates using motor torque measurements  
A method and system for determining fluid flow rates through a motor driven pump controlled by a variable speed drive is disclosed. The variable speed motor drive is used to characterize a pump...
6584863 Device for measuring fluid flow through a pipe or open channel  
An assembly for measuring fluid flow is provided having a base plate with an upstanding wall and a cut-out opening. A pivot shaft extends from the wall and a swinging arm is attached to the pivot...
6435040 Inertial flow sensor and method  
A transmitting electro-mechanical transducer is energized by electric pulses at a low frequency (typically several hertz to several kilohertz) to provide corresponding pulses of movement in the...
6345540 Fluid flow meter  
A fluid flow meter has a semi-conducting substrate and a number of integral flexible tines orientated across an aperture in the substrate to deflect in the direction of the fluid flow by an amount...
6295810 Hydrostatic drive system  
A hydrostatic drive system with an adjustable pump in the delivery flow has at least one consuming device connected to the pump. Associated with each consuming device are actuation devices that...
6253625 Target flow meters with immersed strain gauges  
A target flow meter has a target with a broad face attached to the free end of an elastic stalk. The stalk has at least a portion with an oblong cross section. A fixed end of the stalk is attached...
6239446 Fluid flow detector  
The indication that water is flowing in a fire protection sprinkler riser is often used as an initial indication that a fire has occurred in the protected building. The subject invention is an...
6212958 Flow sensing assembly and method  
A flow sensing assembly for detecting the presence of fluid flow includes a sensor body having a flow passage therethrough and a resilient blade having an end which is fixed relative to the sensor...
6055869 Lift force fluid flow sensor for measuring fluid flow velocities  
A fluid flow sensor uses lift forces exerted on a plate-like airfoil member to determine the velocity of a fluid flowing past the sensor. The member has a pair of spaced, low aspect ratio airfoil...
6009762 Fluid flow detector  
A system and method for determining a volume rate fluid, particularly liquid such as sewage, comprises a conduit for passage of sewage, a freely pivotable flap valve mounted at an outlet of the...
5970802 Relating to mass flow measuring apparatuses  
In the field of mass flow measuring apparatuses, it is known to provide a sensor member for the establishment thereon of streamline flow of bulk material, in which the sensor member design is...
5959218 Method and device for measuring the flow of bulk materials  
The disclosure relates to improved methods of designing surfaces whereby to minimize the effects of changes in the coefficients of friction between so-called bulk fluids and the surfaces. The...
5663508 Silicon flow sensor  
A silicon flow sensor is provided having an uncomplicated design and construction, while also exhibiting a desirable level of sensitivity for use in automotive applications. The primary sensing...
5526695 Pulsed flow meter  
A movable magnet is captured in and biased toward one end of a passage. A pulse of flow moves this magnet and this movement is sensed by a sensor which sends a signal. A range adjusting channel...
5513526 Hydrofoil force balance  
The present invention relates to measuring device for measuring a component f a force acting on a test body, such as a hydrofoil, positioned within a testing apparatus. The measuring device has a...
5483840 System for measuring flow  
A system for measuring a flow parameter of a fluid, comprising a conduit defining a flow passage for said fluid, said flow passage having a central axis means located in said flow passage for...
5402680 Velocity sensor and semiconductor exposing apparatus using such a sensor  
A velocity sensor for detecting velocity even in a low velocity range has a velocity detecting element including a movable micromember, a deviation amount detecting device, a holding device and a...
5271408 Hydrodynamic system for blood flow measurement  
A device for measuring blood flow in the vicinity of a catheter implanted within the vascular vessel or the heart uses hydrodynamic principles. The device has two transducers mounted at the...
5176018 Shot sensing shot peening system and method having a capacitance based densitometer  
The present invention relates to shot peening and more specifically, shot peening where the shot is sensed capacitance-based densitometer in order to determine the average velocity of the shot as...
5174161 Wireline and coiled tubing retrievable choke for downhole flow measurement  
A method for more accurately measuring small changes in flowrate, and measuring low flowrates, of a well fluid in a pipe, adapted to be disposed in a borehole, includes inserting a choke in a...
5120951 Optoelectronic motion and fluid flow sensor with resilient member deflected by fluid flow  
A sensor includes a light source (24) and photosensor (28) which are disposed on opposite sides of a fluid flow passageway. A resilient member is fixedly supported at one end or edge and entrained...
5056373 Flow responsive transmitter and indicator  
In the measurement of fluid flow, the generation of a linearly varying signal and a pulsation free display are provided by a flow responsive indicator having digit displays for numerically...
5033311 Volumetric fluid flow sensor  
A volumetric fluid flow sensing system includes a pole magnet armature in which the direction of reciprocation of the armature is co-linear with its magnetic axis and, includes a magnetic field...
4955270 Dry flow sensor  
A dry flow sensor for detecting the flow rate of a stream of granular material through a chute includes a force transducer mounted inside an enclosure, the enclosure being mounted by a bracket...
4947691 High pressure shower gauge for papermaking machine  
A gauge for measuring the pressure of a shower or water spray used in a papermaking machine. The gauge includes a body and an arm extends laterally outward from one end of the body and is adapted...
4938078 Method and apparatus for measuring flow rate  
A method and apparatus for measuring flow rate. A flow meter has a cylindrical interior with a substantially constant diameter over its full length, through which the fluid medium to be measured...
4873872 Float for fluid measurements  
A float for use in a fluid measurement device, symmetric about a central axis and containing an aperture along the axis which may be sized differently according to each float. When used in a...
4848123 Shot peening mass flow and velocity sensing system and method  
Consistency in shot peening is obtained by a system which uses a force sensor to sense the reaction force from a shot peening gun in combination with a magnetic densitometer sensing coil disposed...
4831886 Flow indicator  
A flow system for an engine-pump assembly utilizes the engine cooling water for heating the engine carburetors to prevent icing thereof and includes a flow indicator providing a visual indication...
4788869 Apparatus for measuring fluid flow  
Apparatus for measuring flow rate and flow direction of a fluid comprises an elongated stem coaxially disposed and supported within an elongated housing, a small diameter spherical probe connected...
4781070 Flow meter  
Apparatus for measuring mass flow of a fluid in a conduit by which the fluid passes through a moveable chamber which establishes a constant velocity profile of the flowing fluid at the outlet...
4779762 Method and apparatus for controlling the gas content of dispensed hot melt thermoplastic adhesive foam  
A method and apparatus for controlling the gas content of dispensed hot melt thermoplastic adhesive foam. Air or another relatively inert gas is mixed with molten thermoplastic adhesive, and the...
4777830 Flowmeter with pivotably floating fluid dynamic target  
The flowmeter of the present invention comprises at least one combination of a rotatable member and at least one fluid dynamic target, wherein the fluid dynamic target is secured to the rotatable...
4648278 Spiral coil target flow meter  
This invention discloses a flowmeter employing a spiral coil target coaxially disposed within a flow passage included in the body of the flowmeter, wherein the drag and/or torque imposed on the...
4644803 Force measurement apparatus and method  
Fluid density measuring apparatus and method for directly measuring fluid density or indirectly measuring force, acceleration, flow velocity, differential pressure and other parameters affecting...
4631959 Drag anemometer  
An anemometer for measuring the velocity of a fluid. The anemometer has a pivotally mounted shaft with a drag element mounted thereon for exposure to the fluid. Electromagnets are orthogonally...
4620448 Arrangement for measuring the rate of flow of a gaseous or liquid medium through a housing  
A measuring device that is moved corresponding to the amount of medium flowing through a housing is provided for measuring the flow rate of a gaseous or liquid medium through the housing. The...
4573361 Float-type flowmeter  
A float-type flowmeter includes a tubular housing adapted to have flow therethrough a fluid medium the flow of which is to be measured, and a spring-loaded float positioned within the housing and...
4569233 Flow meter indicating device  
The present invention provides a device for generating an electrical output signal representative of the flow rate through a fluid flow meter of the type having a mechanical output member movable...
4503712 Mass flowmeter  
Apparatus for measuring mass rate of flow of fluid has a fluid driven turbine including a bladed rotor mounted in a conduit through which the fluid flows. The rotor blades are elastically...
4481830 Apparatus for measuring fluid flow  
Flow measuring apparatus includes a support loop having strain gages mounted thereon and a drag means which is attached to one end of the support loop and which bends the sides of the support loop...
4449400 Radionuculide counting technique for measuring wind velocity and direction  
An anemometer utilizing a radionuclide counting technique for measuring both the velocity and the direction of wind. A pendulum 12 consisting of a wire 13 and a ball 14 with a source of radiation...
4366718 Bi-directional flow transducer  
A bi-directional fluid flow transducer includes a hollow cylindrical housing which slidably receives a movable hollow cylindrical core which coaxially receives a fixed rod or valve member. A pair...
Matches 1 - 50 out of 117 1 2 3 >