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Match Document Document Title
8857256 Micromonitoring apparatus and method  
An apparatus and method for monitoring sanitary sewer systems designed to carry away wastewater through a system of buried pipes, often referred to as “sewer lines”, to a sewage treatment...
7343794 Weir box and sensor  
The flow rate of water passing into a weir box and over a weir that is mounted on the weir box is determined using a sensor to continuously or intermittently obtain a measure of the water level...
7311001 Multiphase flow measurement apparatus and method  
An apparatus is utilized for obtaining flow measurements from an individual oil and gas well. The apparatus utilizes pipe segments rather than vessels to separate the fluid components into a gas...
6907779 Continuous flow measurement recorder and recording method  
A continuous flow measurement recorder is provided for making water flow measurements in an open channel. An ultrasonic sensor obtains pressure head measurements upstream from a flume or weir...
6823729 Measuring weir for measuring flow volume at an overflow  
A flow-measuring system has a weir wall bounded on a front face by a body of water and having a rear face and a top edge over which water from the body flows. A structure generally formed as an...
6340243 Liquid/gas phase detector system  
A liquid/gas phase detector system employing a sensor to detect fluid phase, flow rate, and temperature. A flow conditioner in the form of a pipe segment with an inverted V-shaped section forming...
6324906 Double chamber container for metering liquid flow  
The container includes a first chamber connected to the liquid source through an inlet port of a given cross-sectional area and a second chamber connected to a drain through an outlet port of at...
6053039 Apparatus for the measurement of liquid flow  
Apparatus for measuring the rate of flow of liquid through a liquid/air separator having a chamber space provided with at least one liquid/gas inlet duct, at least one gas outlet duct and at least...
5877417 Flow meter  
A device and method for determining the flow rate of gas entrapped fluids delivered in a pulsating flow, such as milk, wherein the invention boasts an improved fluid level detection arrangement...
5852240 Portable flow measuring device  
A portable secondary flow measuring device (10) with various attachments and adapters for use in several types of open channel flow installations including flumes, weir plates and gravity flow...
5808195 Arrangement for determining liquid velocity versus depth utilizing historical data  
In the embodiments described in the specification, an acoustic transducer unit emits acoustic signals into a moving liquid and receives reflected signals to produce Doppler frequency signals and a...
5726358 Method and device for measuring the discharge in partly filled or completely filled ducts and in open channels  
The invention relates to a device for measuring discharges in partly or completely filled ducts or open channels, utilizing measuring sensors. The device comprises a central simulation system...
5635637 Apparatus for measuring the flow rate of a fluid  
A meter which measures fluid flow by passing the fluid through a receptacle and determining the mass of fluid in the receptacle. The shape of the receptacle, the fluid flow path within the...
RE35503 Apparatus and technique for metering liquid flow  
The gravity flow of a liquid in an open pipe is metered during open channel flow, during surcharged flow, and during the transition between the two. A tubular venturi metering device is employed,...
5608171 Distributed, unattended wastewater monitoring system  
A distributed, unattended wastewater monitoring system that uses advances in low-energy signal processing and distributed microelectromechanical systems and that involves wireless interrogation of...
5467650 Open channel flowmeter  
A flowmeter for measuring the volumetric discharge in an open channel makes two measurements: (1) velocity at a fixed point, and (2) fluid level. A level-discharge function which is a function of...
5423226 Flow measurement system  
A portable flow measurement system comprising a primary flow metering element and a secondary flow metering element is disclosed that will find application in metering irrigation water use, urban...
5327787 Electromagnetic flow meter with weir  
A weir is placed across a pipe section and an electromagnetic flow meter with multiple electrodes is located upstream of the weir. The liquid level and velocity of fluid in the pipe section are...
5199306 Method and apparatus for metering flow in closed conduits that surcharge  
A method and apparatus for measuring flow in a closed conduit under both full and less than full conditions is disclosed. The method and apparatus incorporate a tubular Venturi metering device....
5186052 Storm water flow monitoring  
Apparatus and a method for monitoring the rate of flow of storm water in an individual sewer. The apparatus comprises a collector bowl mountable beneath the storm sewer manhole cover and...
5156489 Adjustable flume  
A fully portable flume for a canal or water channel comprising a horizontal sill across the width of said flume; means to raise or lower the sill while maintaining it in a horizontal position; a...
5083459 Flow meter  
A meter for determining flow rates and total volume of fluids normally mixed with a gas and delivered with a pulsating rather than a uniform flow rate, such as milk being delivered from a milking...
5024084 Flow meter for liquid doctored through Fourdrinier fabric at wet end of Fourdrinier paper machine  
A testing device for determining the amount of liquid having been doctored through the Fourdrinier fabric or wire at the wet end of a Fourdrinier-type paper machine. Included is a pick-up for...
5005428 Inverted weir for conduit  
A method and apparatus for installing a weir to divert fluid flowing in a conduit and to convert potential fluid energy to kinetic energy.
4896539 Spray calibration device and method  
A device for determining a flow rate of liquid discharged from a plurality of discharges comprising a plurality of collectors for the discharged liquid connected by a manifold having a plurality...
4896542 Portable wastewater flow meter  
A portable wastewater flow meter particularly adapted for temporary use at a single location in measuring the rate of liquid flow in a circular entrance conduit of a sewer manhole both under free...
4715225 Flow meter for measuring the flow rate of liquid  
A flow meter for measuring the flow rate of a liquid, capable of detecting the liquid level in the upstream space with respect to a weir and determining the flow rate of the liquid on the basis of...
4671119 Flow measuring device for partially filled conduits  
A flow measuring device for measuring the flow rate of a fluid in a partially filled conduit comprises sequentially disposed inlet transition and converging sections and means for determining the...
4571997 Flow measuring apparatus  
A flow measuring apparatus adapted to be installed temporarily in the end of a sewer pipe or water pipe or conduit is provided with a weir/orifice plate and a bubble tube for sensing the hydraulic...
4552017 Apparatus for measuring flow-rate of electromagnetic granular media  
An apparatus for measuring the flow-rate of ferromagnetic granular media in a gravity-fed and/or low velocity peening apparatus by passing the media in the supply line at substantially constant...
4480466 Apparatus and method for determining liquid flowrate  
An open-channel liquid flowmeter which is not disabled by submergence of the primary device measures flowrate using both critical-flow and velocity-area techniques and compares results to...
4476719 Liquid measuring devices  
A method and apparatus for measuring flow and/or volume of a liquid preferably milk in which the milk is passed from a passageway (3,56) through a gap (5,46) which is long vertically but narrow in...
4467645 Weir  
A portable weir for measuring water flow through an irrigation canal is provided in an obliquely disposed check gate shaped to fit the cross sectional configuration of the canal. The weir opening...
4459859 Flowmeter  
There is provided a flowmeter comprising a vertically extending inlet chamber having an inlet opening at its lower end, a vertically extending outlet chamber horizontally spaced-apart from the...
4452176 Milk flow meter  
A milk flow meter is provided, wherein the milk is tangentially introduced into an upper milk collecting chamber communicating with a milk discharge duct via a lower measuring chamber adapted to...
4423627 Flow meter  
This invention provides a fluid flow meter including an elongated tube and an element adapted for connection to a fluid line, the elongated tube including one or more orifice openings of...
4407353 Waste heat recovery device for preventing corrosion by sulfur oxides  
In a boiler or an industrial furnace, a temperature detecting sensor is mounted at the heat absorbing side of a heat pipe of a waste heat recovery device which is disposed in part of the path of...
4393451 Method and apparatus for measuring total liquid volume flow  
Method for measuring total liquid volume flow in partially full cylindrical pipes, and apparatus for practicing the method.
4384485 Device for indicating liquid level  
In a device for measuring the approximate peak flow rate of a liquid discharge, the improvement comprising an indicating element bearing water-soluble ink.
4367652 Method and apparatus for monitoring wastewater  
A method and apparatus for monitoring wastewater includes lowering a probe-carrying member into the manhole and moving the member into engagement with a primary measuring device for gauging the...
4353251 Mounting apparatus for liquid flow meter  
A mounting apparatus for a liquid flow meter adapted to be detachably mounted upon the top edge of a weir. The mounting apparatus includes a base plate supporting a clock-driven recording drum for...
4346596 Milk flow measurement apparatus  
Apparatus for milk flow measurement comprising debubbling apparatus for receiving milk which may contain bubbles and for removing bubbles therefrom, measuring apparatus receiving milk from the...
4321826 Flowmeter for fluid flow through weirs and parshall flumes  
A float with an iron rod movable within a double coil AC coupling network measuring backed up liquid level as the measure of open channel, ditch or stream liquid flow through a weir or parshall...
4291693 Fluid metering device  
A method and apparatus for metering fluids that are parenterally administered to a patient. The fluid metering device consists of a plastic housing having a primary fluid channel formed therein...
4279148 Anti-clogging flume and structure for metering fluid flow  
An anti-clogging flume and structure for metering fluid flow over the flume wherein the flume is of a length sized to be inserted within a pipe and which flume has a generally cylindrical opening...
4267978 Liquid distribution device in liquid-vapor contact apparatus  
The present invention provides a device for the even distribution of liquids onto column areas which comprises distributor troughs with overflow slits and liquid guide elements, hairpin shaped...
4252132 Midstream urine specimen collecting device  
A device for collecting a urine specimen, which is particularly adapted for females, is configured and adapted for use while the user is sitting on a toilet in the normal position for voiding. The...
4241017 Device for measuring a urine discharge  
A device for measuring a discharge of urine comprising, a receiving member having an inlet port to receive the discharge, and a receptacle having a chamber to receive the discharge from the...
4238448 Discharge measuring device  
A device for measuring a discharge of urine comprising, a receiving member having an inlet port to receive the discharge, and a receptacle having a chamber to receive the discharge from the...
4213336 Device for measuring flow of weak cell liquor  
The flow rate of weak cell liquor is determined, using a device in the form of a small box having in one wall thereof a properly sized orifice, a vertically extending slot thereabove, and a rule...

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