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8181517 |
Sender card contamination reduction due to current application to sender card
Disclosed herein is a system for use in a tank containing a contaminative fluid. The system includes an electrically conductive resistive material in fluid communication with the contents of the...
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8161814 |
Self-calibrating capacitive transducer for determining level of fluent materials
A capacitive transducer for detecting the level of liquids and other materials has one or more antenna probes connected to an integrated chip normally associated with touch-screen displays. Each...
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8146420 |
HTA fluid level and fluid type measurement
Apparatus for measuring an amount of ablation fluid circulating in a system for ablating tissue comprises a plurality of electrical contacts located within an ablation fluid receiving chamber of...
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8127603 |
Physical quantity sensor
A physical quantity sensor includes a sensor element that converts an externally applied physical quantity to an electrical signal; a detection circuit that amplifies and detects the output signal...
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8127604 |
Liquid level sensor for galley inserts
The liquid level sensing device includes rotating electrically conductive probes and uses a self-cleaning rotary electrical connection system with a contact stylus on a rotating conductive barrel,...
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8117910 |
Apparatus for capacitive determining and/or monitoring of fill level of a medium
An apparatus for capacitive determining and/or monitoring of fill level of a medium in a container. The apparatus includes: A probe unit; a control unit, which supplies the probe unit with a drive...
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8111076 |
Method and apparatus for determination of plant canopy rehydration rate and magnitude of plant canopy water storage
This invention is concerned with a method for measuring the canopy rehydration pulse during the period of water application. During the rehydration process water leaks from the trunk xylem tubes...
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8074514 |
Liquid level sensor with conductive torsion springs
An assembly with liquid level sensor probes which rotate down into a container by means of torsion springs, thereby eliminating failure to the springs due to bending. The torsion springs also act...
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8065913 |
Ink level sensor
A probe assembly for use with an ink reservoir level sensing apparatus comprises an insulating support frame formed of an electrically insulating material. The insulating support frame includes a...
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8061263 |
Sensor head and brew cup for a beverage brewing device
A sensor head/brew cup with liquid level sensor probes which rotate down into the server to avoid damage to the probes by the server. The sensor head/brew cup moves as a unit, thereby eliminating...
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8047073 |
Capacitive liquid level detector for direct methanol fuel cell systems
A capacitive liquid level detector for detecting a liquid level of a liquid in a receptacle, the liquid being conductive, the detector comprising: a capacitor with a first plate having a fixed size...
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8043768 |
Liquid tank using fuel cell system and liquid level detection device
A liquid tank capable of detecting liquid level when the tank is rotated. The liquid tank includes an airtight vessel to store the liquid; and at least two electrodes installed inside the airtight...
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8024969 |
Liquid level detection device
A liquid level detection device includes a sensor provided in a container which stores a liquid therein and having a variable resistance which changes a resistance value in association with a...
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8021125 |
Hermetic compressor
A hermetic compressor includes a housing accommodating a motor and a compressing mechanism driven by the motor, refrigerating machine oil, which is pooled in the housing, for lubricating the...
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7997132 |
Capacitive sensor assembly for determining relative position
A capacitive sensor assembly for detecting relative movement or position between objects, such as liquid level in a tank or reservoir, movement of one machine component with respect to another, and...
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7992437 |
Liquid level detector
A liquid level detector for conductive liquids for vertical installation in a tank, the detector having a probe positioned within a sheath and insulated therefrom by a seal so that the tip of the...
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7992436 |
Electro-optic liquid level sensing system for aircraft beverage brewing
The electro-optic liquid level sensing system detects a level of liquid in a container having an upper opening, such as for a server container of a beverage maker for a transport system, such as...
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7971481 |
Circuit design to prevent false level sense readings
A circuit for conveying signals between one or more ink level sensors and a circuit includes a substrate having a circuit end, a sensor end, and an elongated body extending therebetween. The sensor...
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7963164 |
Capacitive sensor assembly for determining level of fluent materials
A capacitive sensor assembly for measuring a level of fluent material in a container includes an electronics section for receiving and processing signals and an antenna probe operably associated...
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7938002 |
Apparatus for detecting water level mixtures in fluids
A gauge tape device detects electronically conductive water level mixtures in various fluids through the use of electricity. The gauge tape device includes a gauge circuit and gauge line, having a...
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7905145 |
Capacitive gauge for fuel tank
Capacitive gauge for fuel tank comprising a measurement capacitor, a reference capacitor and at least one standard capacitive device, fed by and connected to an electronic interpretation circuit...
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7905144 |
Measuring device, and conductivity measuring device, for determining flow capacities of electroconductive liquids, measuring element, and method
A measuring device for determining flow capacities d(V(z)) of electroconductive liquids having a conductivity LF through a container in the event of vertically (z direction) variable levels. The...
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7907059 |
Sewage pipe alarm system and associated method
A sewage pipe alarm system includes a portable case seated exterior of the existing pipe. The system further includes a mechanism for detecting a blockage of fluid flow within the existing pipe by...
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7892217 |
Variable cross-section containment structure liquid measurement device
A liquid measurement device having a containment structure, a sensor, and an interface device, having particular applicability to the collection and administration of electrically conductive...
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7891242 |
Sensing device
The present invention discloses a sensing device, wherein a hemispherical container containing a liquid dielectric, and the hemispherical container has more than two pairs of electrodes, and the...
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7859273 |
Sensor for detecting organic liquids
A sensor for detecting the presence of an organic liquid. The sensor includes an a elongate substrate having a first and second opposed surface, and a first sensor surface disposed on at least a...
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7845224 |
Liquid level sensor and liquid level estimation method
A sensor for detecting a liquid level, including a measurement capacitor, a reference capacitor, an integrating capacitor, a calibration capacitor, a controller, an amplifier, a comparator, and a...
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7828960 |
F.O.G. separator control
A separator for separating F.O.G. from an effluent that contains F.O.G. includes a tank, an inlet to the tank for receiving effluent that contains F.O.G., and an outlet to allow grey water to leave...
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7823447 |
Method and apparatus for sensing a liquid level
Aspects of the invention are directed to methods and apparatus for dispensing liquids to and aspirating liquids from a container. In particular, one aspect is directed to a liquid level sensing...
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7730780 |
Level switch and method for detecting the fill level of a medium in a container
A level switch detects the fill level of a medium in a container and transmits a switch signal corresponding to the detected level. The level switch incorporates a signal generator for generating...
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7714586 |
Control unit and control device comprising the control unit
A control device includes a control unit and an evaluation unit that is configured to generate a control signal by which the control unit is impinged upon. The control unit is provided with a...
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7694559 |
Electro-optic liquid level sensing system for aircraft beverage brewing
The electro-optic liquid level sensing system detects a level of liquid in a container having an upper opening, such as for a server container of a beverage maker for a transport system, such as...
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7678282 |
Method of determination of the conditions of exhaustion of a filtering cartridge for filtering carafes with replaceable cartridge and carafe operating in compliance with such method
A method of determination of the conditions of exhaustion of a filtering cartridge for filtering carafes with replaceable cartridges is described, in which an initial identification of impedance of...
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7671754 |
Sensor for detecting leakage of a liquid
A sensor for detecting the presence of a liquid. The sensor includes a housing having a concave upper surface, a concave lower surface, and a peripheral wall connecting the upper surface and the...
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7661307 |
Low manufacturing cost printed ink liquid level sensors
First and second elongated flexible insulated substrates have patterns of resistive liquid level sensor sections along the substrate lengths, each pattern comprising printable resistive ink of the...
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7650916 |
Container filling element for open-filling of containers
A beverage bottling plant for filling bottles with a liquid beverage material having a filling element and a filling machine having such filling elements. The filling elements each have a movable...
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7632385 |
Reference electrode for potentiometric measurements, and method of monitoring the reference electrode
A reference electrode for potentiometric measurements has a housing (2) with a hollow space (4) containing a liquid reference electrolyte (6) as well as a conductor element (8) immersed in the...
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7628067 |
Electrode rod for detecting water-level, method of detecting water-level, method of controlling water-level in a boiler, and method of controlling water-level in a steam separator
An insulating coating formed of engineering plastic with high-heat resistance, high-pressure resistance, and chemical resistance is formed on a surface of a water-level detecting electrode part of...
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7629800 |
Water level measurement system
The present invention relates to an apparatus to measure water level in a water reservoir by measuring electrical conductivity between electrodes, including a reference electrode, at least one...
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7621181 |
Fluid level detector and analyzer
An electronic technique is used for identifying a fluid and determining its level in a container. Specifically, impedance spectroscopy is applied to fluid handling probes such as those employed by...
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7603899 |
Apparatus and method for detecting liquid level with a probe
The present application discloses a method and apparatus for detecting liquid level with probe, and the method comprising steps of: (A) acquiring a capacitance value of the probe; (B) generating an...
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7600423 |
Volume or fluid level sensing system and method
A volume or fluid level sensing system as taught by the present invention comprises a flexible bladder, a solenoidal coil, a means for volume or fluid level measurement, and a user interface. Means...
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7592946 |
Level measurement arrangement
A level measurement arrangement for measurement of a level of a product in a container, comprising: a level sensor, having: a mounting element, including a process connector, for mounting the...
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7584656 |
Floatless rain gauge
A rain gauge device is provided that uses a plurality of conductivity sensors to determine liquid levels. Certain rain gauge devices include a plurality of conductivity sensors fixed along the...
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7581437 |
Level sensor for granules in water
The present invention relates to a system for measuring the level of granular material in a container immersed in an aqueous medium, particularly, but not exclusively, for use as a measure of...
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7571646 |
Electronic liquid level sensor
A pair of wires are coated in a conductive plastic sheath, and then imbedded in the inside of a plastic tube. The tube can be dropped down an oil well casing below the fluid level. A DC power...
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7568389 |
Liquid detecting apparatus, liquid-amount detecting apparatus, liquid detecting method, and liquid-amount detecting method
A liquid-amount detecting apparatus detects the amount of a liquid in containers. The liquid-amount detecting apparatus includes a liquid detecting circuit and a determining unit. The liquid...
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7561057 |
Method and apparatus for detecting severity of water leaks
A system for detecting water leaks is described. In one embodiment, the system includes a plurality of sensors, selected from a moisture sensor, a water level sensor, and/or a water temperature...
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7556326 |
Ink level sensor and method of use
An ink level sensing system and method of sensing that includes a lower probe positioned in a lower portion of an ink reservoir, an upper probe positioned above the lower probe and extending upward...
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7533566 |
Fluid measuring device
A fluid measuring device for use in a fluid storage tank, comprising a logic operation unit, a capacitive sensor, and a capacitance sensing circuit; wherein the capacitance sensing circuit is...
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