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7383742 |
Septum leak detector
A gas flow sensor receives a low-volume gas flow to be measured in a selectively sealed chamber. A flow rate signal is generated using a measuring device in response to the received gas flow. The...
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7272512 |
Flow sensor signal conversion
A method of obtaining at least one representation of a characteristic function of a sensor from a test fluid during calibration of the sensor according to a sensor model having a transfer function...
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7225685 |
Pipe assembly unit with built-in flow sensors
Cost is reduced by simplifying piping work and reducing the number of parts. At the same time, the degree of freedom in the arrangement of piping is raised by making the mounting posture of the...
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7007557 |
Flow scale having a hingedly suspended impact plate
An impact flow scale includes a first tube, disposed substantially vertically a second tube, disposed with a downward inclination and having an inlet at an upper end thereof and a lower end of the...
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6984902 |
High efficiency vibration energy harvester
In a vibrational energy harvester, an external vibration causes relative motion between a permanent magnet and a magnetic field sensing element composed of a magnetostrictive material bonded to an...
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6945125 |
High resolution pulse count interface
A high resolution pulse count interface is situated between a positive displacement (PD) meter and a flow computer. A magnetic wheel attaches to the PD meter, with the interface using Hall Effect...
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6935356 |
Underground storage tank metering system in a service station environment
A meter coupled in close proximity to an underground storage tank fuel pipe that delivers fuel from the underground storage tank to fuel dispensers in a service station environment. The meter...
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6926821 |
Water treatment device with volumetric and time monitoring features
A totalization meter system for a water treatment device, the device having an inlet aperture and an outlet aperture, and a channel for channeling water between the inlet and outlet apertures. A...
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6898987 |
Flow meter
A flow meter includes a cylindrical flow chamber having an axis and an internal cylindrical wall. Axially spaced about opposite ends of the flow chamber are an inlet and an outlet. Both the inlet...
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6881507 |
Method and apparatus for measuring the mass flow of hydrogen in a fuel cell
The mass flow of hydrogen fuel in the anode loop of a hydrogen fuel cell is measured using a rotating flow meter. The flow meter includes a bladed rotor mounted for rotation within a tube disposed...
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6796173 |
Fuel flowmeter
A fuel flowmeter has a flowmeter with rotating impellers with meshed lobes rotatable in partially cylindrical housings joined in a case having an inlet at one side and an outlet at an opposite...
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6792361 |
Controller for monitoring fluid flow volume
A system, method and program for calculating a fluid flow volume within a conduit having an operably connected flow meter is disclosed. The system includes a controller having a backplane. A flow...
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6789434 |
Fluid flowmeter having a hall effect sensor with an internal magnet
A flowmeter for sensing fluid flow. The flowmeter includes a housing including a first port, a second port, a chamber in fluid communication with the first port and the second port, and a fluid...
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6778100 |
Conduit network system
A conduit network system includes at least one, and typically multiple, node elements in communication with an inner area of a conduit, which is used to transfer material therein. The node element...
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6776055 |
Measurement of fuel flow
A fuel mass flowmeter 10 includes a rotatable drum 22 through which fuel to be metered may pass and an impeller 24 mounted within the drum such that it may rotate relative thereto but is...
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6755148 |
Dual magnetic register for a utility meter
The present invention provides a device, system, and method for detecting and measuring the bi-directional flow of a fluid through a fluid meter, such as a household or business water meter. In one...
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6729192 |
Moving target flow sensor
A moving target flow sensor has at least one vane mounted on a shaft and rotated or oscillated in a flowing fluid. Changes in the drag forces are measured to determine the flow rate of the fluid,...
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6694825 |
Method and apparatus for flow control of NH3
An apparatus and method for accurately controlling the amount of NH 3 to be applied to a field by measuring the NH 3 flow rate without condensing or cooling the NH 3 . The system includes a...
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6651517 |
Fuel dispensing system
A fuel dispensing system employing a dual rotor turbine flow meter is disclosed.
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6644133 |
Flow meter module for a controller
A method and apparatus for utilizing a controller to monitor a flow volume in a fluid transportation system. The controller being operably connected to a module. The module being operably connected...
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6611769 |
Meter register with programming and data port and meter input resolution factor
An electronic, programmable meter register ( 10 ) includes an input section ( 18, 19, 30 ) for generating pulses in response to units of flow in a water meter, a stored control program ( 46 ), a...
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6581476 |
Measuring apparatus
The invention relates to a measuring apparatus ( 1 ) for fluids with the following features: a) the measuring apparatus ( 1 ) has a support tube ( 2 ); b) a rotor ( 3, 36, 42 ) is rotatably...
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6556142 |
System and method to communicate flow information between a service distribution line and a destination point
A system and method for communicating information between a utility metering device, such as a water meter, and a remote location, such as inside a residence or a service provider.
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6487919 |
Turbine flow monitoring device
A turbine type flow meter has a four-vaned plastic torpedo-shaped turbine mounted by portions of the plastic turbine within a housing between first and second bearings. The turbine supports a pair...
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6481293 |
Elbow mounted turbine flowmeter
A flowmeter includes a conduit having an elbow portion and a straight section downstream of the elbow. A turbine is mounted inside the conduit in the straight section adjacent the elbow portion....
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6443328 |
Electronic lube gun with low battery protection
A device for delivering a preset volume of fluid, such as oil, includes a casing ( 10 ) with an inlet port ( 16 ), an outlet port ( 17 ) and supply passages ( 22, 24 ) for flow of fluid from the...
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6439062 |
Flow anomaly detector
An apparatus for detecting an anomaly in a flowing stream includes a set of blades rotatably suspended in the flowing stream and aligned with a normal flow direction of the flowing stream. The...
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6389909 |
Flowmeter mounted with U-shaped bracket and clamping device
A system for monitoring the flow of water through a pipe. A metering device is located in a pipeline. A transmitting unit including a sensor is contained within a housing which has a frame...
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6375434 |
Pump/meter combination
An integrated pump and meter having a spindle axially extending in the direction of the flow of fluid for pumping and metering the flow of fluid. A volume of fluid pumped is calculated as a...
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6363795 |
System and method for generating signal changes when determining an amount of fuel dispensed from a fuel pump unit
A system including a pulse-generating device can comprise of at least one analog sensor and at least one unit for signal-processing is arranged to detect the analog signal and to generate signal...
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6333626 |
Flow meter for converting mechanical rotation into an electronic signal
A metering device has a magnet with ten poles which is driven to rotate by a gear connected to a source of rotation that is proportional to fluid flow, the passage of time, or other phenomenon. A...
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6314822 |
Peak flow meter
An air-flow measuring device for measuring respiratory performance includes a valve having at least one rotary blade for detecting air-flow through the device. The valve includes at least one...
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6263684 |
Refrigerant flow meter
A light weight, refrigerant flow meter that calculates the quantity of refrigerant that has flowed through the refrigerant flow meter for a given period of time and provides a continuous visual...
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6257073 |
Cyclone turbine flowmeter and control system therefor
The present invention relates to a cyclone turbine flowmeter for extracting information about a flow rate or measuring the quantity of flow flowing in production facilities. The cyclone turbine...
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6250167 |
Removable radio frequency sensor assembly for a turbine flow meter
A sensor assembly for a fluid flow meter, more particularly a gas meter, includes a sensor well made of a non-magnetic material and a sensor which is removable from the well without depressurizing...
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6250151 |
Fluid flow meter incorporating magnetic detector
A device for measuring fluid volume output by a pump includes a meter housing having an inlet and an outlet through which the fluid flows. At least two inter-engaging screw spindles are rotatably...
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6237427 |
Flow rate measuring system for crops supported on a conveyor
A flow rate measuring system for conveyed material includes a conveyor including a frame and a material supporting surface moveably supported by the frame. The flow rate measuring system utilizes...
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6212959 |
Hydration insuring system comprising liquid-flow meter
A system for insuring proper human hydration comprises an oral-suction-activated flow meter (202) which measures and displays (292) the volume of fluid (255) withdrawn from a reservoir (258)...
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6126613 |
Device and method to measure inhalation and exhalation air flows
A spirometer is provided which has an air flow path comprising a mouthpiece, filter (such as an air filter or biostatic filter), and an air pathway in which a multiblade transparent windmill rotor...
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6092693 |
Device for dispensing liquids in a desired ratio
The assembly of the present invention includes a liquid dispensing device having conduit means for delivering liquids from a storage chamber to a mixing chamber, from which the liquid product is...
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6087959 |
Optically coupled gas meter
A gas meter using optical communication. The meter includes a shaft that is rotated by a flow of gas, a first sensor for sensing a first rotational angle of the shaft, a second sensor for sensing a...
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6081196 |
Apparatus and method for multipurpose residential water flow fire alarm
A multipurpose residential plumbing and fire sprinkler system or, more simply, a multipurpose piping system ("MPS") is a system for providing water to both domestic uses (e.g., showers, sinks,...
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6079280 |
Insertion paddle wheel flow sensor for insertion into a fluid conduit
A flow sensor using induction pickup and having an improved paddle wheel type impeller within an impeller housing having a concave opening defining a protective skirt area for shielding a portion...
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6051144 |
Liquid filtration system and replaceable filter cartridge usable therewith
A filter cartridge is capable of at least one-way communication with the base of a filtration system so as to confirm that the filter cartridge is properly configured for installation and use in...
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6050143 |
Fluid flow system and method for sensing fluid flow
A fluid flow system and method according to which a fluid flow meter is provided that receives fluid and has an internal member that rotates in response to fluid flow through the meter. A...
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6032541 |
Suspended body flow meter
A suspended body flow meter for flowing media with a measuring tube, with a suspended body movable in the direction of flow and located in the measuring tube, with at least one permanent magnet...
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6026838 |
Method for detecting opening in fluid flow passageway and shutting off flow in response thereto
An apparatus detects an opening in a fluid flow passageway such as occurs when a resistance welding cap which is cooled by the fluid flow becomes accidently detached from a welding machine. Upon...
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6019003 |
Flow sensor turbine assembly with sapphire bearing and metallic insert
The present invention provides an improved flow sensor turbine assembly for fluid flow measurement. The flow sensor turbine is connected in fluid communication with a conduit through which a fluid...
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6012340 |
Insertion-type fluid flowmeter
The present invention provides an improved insertion-type fluid flowmeter for measuring the flow rate of a fluid flowing through a conduit, wherein the flowmeter incorporates a strut-mounted rotor...
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6012339 |
Tangential rotor flow rate meter
A flow meter is provided that can be used to measure the flow of fluids from a fluid source to a receiving system, and methods of using the flow meter to measure fluid flow. The flow meter is...
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