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Document Title |
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7886593 |
Flow meter and flow controlling device
To provide a highly accurate flow meter. A Flow meter comprising an inflow opening into which a measurement fluid flows, an outflow opening from which a measurement fluid flows, and a flow path...
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6253605 |
Semiconductive flow proportioner
A proportioning element (10) for proportioning a fluid flow from an input side to an output side of the proportioning element (10) comprises a membrane (12) provided with at least one opening (16)...
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5728942 |
Fluid pressure measuring system for control valves
A system for improving fluid pressure measurement in a control valve includes placing a flow conditioner adjacent to and upstream from averaging channels located at the inlet and outlet of the...
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5723783 |
Acoustic displacement flowmeter
An acoustic displacement flowmeter determines the flow rate of a fluid in a path containing a controllable valve by establishing fluid flow along the path, directing the flow of the fluid to a...
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5650565 |
Mini-dilution apparatus and method for exhaust emission testing
A mini-diluter apparatus and method are provided for preparing dilute samples of exhaust gas for emission testing. The apparatus includes first and second mass flow controllers which respectively...
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5540104 |
Acoustic displacement flow meter
An acoustic displacement flowmeter uses a high-compliance acoustic-type displacement transducer to measure fluid flow accumulated by temporarily restricting the flow of a fluid along a path. The...
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5297427 |
Wide-range laminar flowmeter
An adjustable laminar flowmeter is disclosed for use in fluid flow measurement. The flowmeter comprises a plurality of paths, at least one of which has at least one dimension which is adjustable by...
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5231871 |
Hot-electrical-resistance type gas flow meter and internal combustion engine with hot-electrical-resistance type gas flow meter
An object of the present invention is to provide a hot-electrical-resistance type gas flow meter wherein a deterioration of a gas-cooled hot-electrical-resistance is prevented at the maximum flow...
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5090240 |
Flowmeters
A bypass flowmeter assembly has a plurality of branch pipes (11) connected in parallel with a main pipe (10), with at least one of the branch pipes having a respective flowmeter (14), and at least...
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5029470 |
Device for measuring or metering and regulating the mass of a flow of gas
The invention pertains to a device for measuring and regulating the mass of a flow of gases by means of a bypass system with a sensor capillary element, a regulating valve, and an electronic...
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4884441 |
Variable capacity flowmeter
The flowmeter of the present invention comprises at least two separate flow passages wherein one of the two flow passages include a shut-off valve with an actuator and the other of the two passage...
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4870859 |
Flowmeter controller for an air inleakage monitoring system
A method and apparatus for controlling the operation of a normally open bypass valve in a steam turbine air inleakage exhaust vent pipe. The valve is used to bypass a flowmeter connected in a...
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4858647 |
Attitude-insensitive, by-pass sensor
Disclosed is a valve having a body having an inlet channel, an outlet channel in fluid communication with the inlet channel, and a flow-monitoring region situated medially between the inlet and...
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4524616 |
Adjustable laminar flow bypass
A frusto-conical adjustable laminar flow bypass restrictor which is disposed within a conically tapering bore to form a conduit capable of maintaining laminar flow and adjustable to form annuli of...
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4519248 |
Device for measuring a whole day urinary output
This invention provides a device for measuring a whole day urinary output, which includes an outer cylindrical container and an inner hollow tubular container positioned in the outer cylindrical...
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4445368 |
Air flow rate meter apparatus
A air flow rate meter apparatus includes an air bypass line, which branches off from a filter housing on the air intake fitting of an internal combustion engine and discharges at a restriction of...
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4429581 |
Multiphase flow measurement system
A multiphase flow measurement system determines the individual total flow rates of the water, gas, and oil components in a production fluid mixture from a subterranean well. The system includes a...
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4366719 |
Instrument for measuring the flow rate of a fluid in motion
A flow-rate meter has a cylindrical housing in which a counterweighted blade is pivotable on a shaft about the axis of the housing which is subdivided by a radial partition, an inlet port and an...
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4315431 |
Adjustable flow divider for mass flowmeters
An adjustable flow divider for a mass flowmeter useful in shunting a portion of a fluid flow from a main supply line. The adjustable flow divider includes a porous tube (32) having a plurality of...
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3882723 |
Fluid pressure apparatus
A fluid pressure comparison apparatus including a pressure responsive member displaceable by the difference between two pressure sources being compared to vent fluid from one of the sources, when...
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3807229 |
BYPASS FLOWMETER
A mass flow rate transmitter is adapted for insertion in a fuel line for measurement of the mass flow rate of fuel through the line over a wide range of flow rates, e.g., 300-90,000 pounds per hour...
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3803921 |
SAMPLING AND FLOW MEASURING DEVICE
A device for sampling the fluid flow in a pipe and comprising a probe extending into the flow stream of said pipe. The probe comprises an outer conduit having blind inner and outer ends extending...
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3691831 |
VARIABLE ORIFICE METER
Variable orifice meter assembly for determining the total volume of gas flowing through the assembly by measuring only a portion thereof, comprising a positive displacement meter associated with a...
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3600944 |
MILK METERS
A milk meter in which the incoming milk passes through two channels and which is provided with a floating choke the position of which determines the fraction of milk diverted from one of the...
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3546938 |
FLUID FLOW METER
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3611802 |
AFTERBURNER FUEL MANIFOLD FLOW SENSOR
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3618383 |
RECIRCULATING FLUID SUPPLY SYSTEM WITH FLOW MEASURING MEANS
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3557618 |
FLUID METERS AND FLUID CONDUIT SYSTEMS EMBODYING THE SAME
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3407657 |
Meters for measuring the mass flow of fluid
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3315694 |
Pilot operated metering device
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3312106 |
Flow meter
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3308669 |
Proportionate liquid sampling device, specifically a milk scale
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3308662 |
Meters for measuring the mass flow of fluids
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3241372 |
Apparatus for sampling the flow of a liquid from a liquid-gas mixture
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3220254 |
Two-phase fluid flowmeter
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3183712 |
Flowmeter
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3174345 |
Milk yield indicator and sampling device
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3066530 |
Rate of flow indicator
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3013432 |
Venturi tubes
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3010316 |
Fluid flow regulating and indicating apparatus
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2936621 |
Flow meter
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2884891 |
Fluid flow indicator
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2873606 |
Flowmeters particularly for gases
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