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7610807 |
Level gage
A wave guide probe for use with direct-read tank level gages to provide electric signal output is disclosed. The apparatus comprises a translucent tube, a wave guide probe, and an electronics...
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7607347 |
Fluid level detector
A fluid detector includes a piezoelectric element that outputs a first ultrasonic signal in response to an input electrical signal and a lens with an upper portion and a lower portion. A housing is...
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7602671 |
Oil heating tank meter for monitoring a plurality of variables
A method for measuring a distance of an object with a distance measuring unit, the method including: sending a first signal from the distance measuring unit toward the object; receiving a second...
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7579564 |
Shear resistant bin level indicator
A device for indicating a level of a bulk material in a bin. A motor imparts a swinging motion to a paddle located inside the bin. When the paddle engages the material, drag on the paddle causes a...
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7578183 |
Acoustic volume indicator
Acoustic volume indicators for determining liquid or gas volume within a container comprise a contactor to vibrate a container wall, a detector to receive vibration data from the container wall, a...
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7571645 |
Fluid level measurement device
The present invention relates to a device ( 10 ) for providing a gas composition compensated acoustic measurement of the level of a liquid ( 16 ) in a tank ( 18 ). The device comprises a transducer...
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7562570 |
Ultrasonic oil/water tank level monitor having wireless transmission means
An ultrasonic monitor to measure the level of a fluid (e.g., oil or water) within a storage tank. The ultrasonic monitor is surrounded by a gas-tight, explosion-proof casing that is coupled to the...
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7552839 |
Fluid tank with clip-in provision for oil stick tube
A fluid fill/storage/overflow reservoir/tank suitable for use with, for example, a liquid cooled engine, includes a clip-in provision for an oil stick tube that does not require removal of the oil...
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7552634 |
Orientating device for a measuring instrument
The invention relates to an orienting mechanism ( 20 ), with which, even in the case of unfavorable installation conditions at the container ( 10 ), a fill level measuring device ( 16 ) can be...
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7530268 |
Device for determining and/or monitoring at least one physical or chemical process variable of a medium in a container
An apparatus for determining and/or monitoring at least one physical or chemical, process variable of a medium and includes at least one mechanically oscillatable unit and at least one...
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7523662 |
Process meter
The process meter comprises a sensor that can be mounted in a wall of a vessel for holding or conveying a process medium, and a meter-electronics case mechanically coupled to the sensor. In...
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7513152 |
Container arrangement with a level sensor, and a level sensor for a container arrangement
The invention relates to a container arrangement with a level sensor, with
a container ( 1 ), which can be filled with a medium a measuring hole ( 4 ) in the top wall ( 9 ) of the container...
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7513151 |
Protection against the effects of condensate bridges
Apparatus for measuring and/or monitoring a process variable of a medium. The apparatus includes: an oscillatable unit; a driver/receiver unit, which excites the oscillatable unit to oscillate,...
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7509868 |
Liquid detecting device, liquid container, and liquid refilling method
A liquid container includes; a liquid containing portion for containing liquid therein; a unit case, including a liquid inlet communicating with the liquid containing portion, a liquid outlet for...
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7503647 |
Liquid sensor and liquid container including the sensor
The invention relates to a liquid sensor which can certainly judge the existence of liquid, and a liquid container including the sensor. The liquid sensor has: a vibration cavity forming base...
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7481106 |
Non-invasive method for detecting and measuring filling material in vessels
A non-invasive method for measuring the level of filling material in a vessel and for detecting the presence of the filling material in the vessel at a predetermined set point level is based on...
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7481105 |
Tank system with fuel level gauge
A fuel level gauge includes a measuring pipe configured as a riser pipe that has a fuel inlet opening at one end region defines a measuring distance. The fuel level gauge also includes a fuel level...
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7472593 |
Fluid level regulator
A biological specimen collection and transfer system, comprises a biological sample container configured for storing a biological fluid sample, and a fluid level regulator configured to determine a...
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7467548 |
Radar level gauge system and coupling
A radar level gauge system for measuring a filling level of a content contained in a tank is disclosed. The system comprises a transmitter and a probe, configured to guide transmitted microwave...
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7463021 |
Magnetostrictive sensitive element
The invention relates to a sensor element and to a path sensor constructed therefrom. The optical waveguide accommodated inside a supporting body, for example, a tube has to be placed in a defined...
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7458260 |
Fluid level detection using RF
The present disclosure includes systems and techniques relating to fluid level detection. In general, in some implementations, a fluid level detector includes a radio frequency transmitter, and a...
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7444864 |
Liquid detecting device, liquid container and method of manufacturing liquid detecting device
A liquid detecting device ( 1200 ) including: a unit base ( 1210 ), provided with a recessed portion ( 1211 ) on an upper face thereof and containing a first material; a sensor base ( 1220 ),...
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7441454 |
Apparatus for determining and/or monitoring the filling level of a product in a container
The invention relates to a measuring device which determines the filling level by means of high-frequency measuring signals which are guided along a waveguide. The invention is based on the object...
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7434462 |
Liquid consumption status detecting method, liquid container, and ink cartridge
A method of detecting a consumption status of liquid contained in a liquid container, comprising steps of: preparing a detection device having a piezoelectric element and attaching the detection...
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7434457 |
Fluid property sensors
Micro-Electro Mechanical Systems (MEMS) based fluid sensors adapted to measure physical properties of oilfield reservoir fluids under downhole conditions. Certain embodiments of the invention may...
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7424824 |
Liquid sensing apparatus for a liquid container for supplying a liquid to a liquid consuming apparatus, and a liquid container in which the liquid sensing apparatus is built
A liquid sensing apparatus includes a liquid sensing chamber 33 having a liquid inlet port that is in communication with an external liquid container in which a liquid is reserved, and a liquid...
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7421895 |
Fluid level measuring system
A fluid level measuring system comprising a fluid level sensor is disclosed. The fluid level sensor may comprise a top or bottom mounted transducer and limited openings to enable accurate...
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7420877 |
Method for processing an echo profile
In a method for processing an echo profile generated by a pulse-echo ranging system, the echo profile is compared with a time-varying threshold function to identify valid echoes in those portions...
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7418860 |
Ultrasonic fluid level sensor
A fluid level sensor for determining a fluid level within a container, includes a transducer for generating sonic or ultrasonic waves and a wave guide. The wave guide has a first end operatively...
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7408501 |
Method employing the radar principle for measuring the fill level of a medium in a container
A method for measuring the fill level of a medium in a container by applying the radar principle, whereby a measuring signal is generated and transmitted in the direction of the medium. A...
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7392699 |
Apparatus for use in measuring fluid levels
A device for use in measuring stratified fluid levels in a container is disclosed. The device has a microwave transceiver sensor head attached to a waveguide sensor rod which is enclosed by a gauge...
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7391676 |
Ultrasonic distance sensors
A lithographic apparatus comprises an illumination system, a support constructed to support a patterning device, and a projection system. In pixel grid imaging, a large number of small optical...
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7383727 |
Liquid cotainer having a liquid consumption detecting device therein
An ink cartridge serving as a liquid container, comprises a liquid sensor having a piezoelectric element which detects a consumption state of the liquid contained in the container, and a...
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7363812 |
Radar level gauge with variable transmission power
A pulsed radar level gauge, comprising a transmitter for generating and transmitting a signal in the form of a pulse train, means for receiving pulses reflected in said tank, and to form an...
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7360417 |
Fluid level detector
A fluid detector for determining a presence of a fluid within a container includes a piezoelectric element that outputs a first ultrasonic signal in response to an input electrical signal and a...
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7334470 |
Digital interface and receiver for time-of-flight level measurement and pulse-echo ranging systems
An digital interface and receiver for time-of-flight level measurement and pulse-echo ranging systems. The level measurement device comprises a controller, a transducer, a transmitter stage, an...
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7325892 |
Ink remaining amount measuring device, ink-jet recorder comprising same, ink remaining amount measuring method, and ink cartridge
An ink level detecting unit of an ink jet recording apparatus heightens ink detection accuracy and reliability. A piezoelectric element is provided in an ink tank, an excitation pulse generating...
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7322667 |
Liquid detecting method and liquid detecting system
A liquid detecting method of detecting liquid in a liquid container used on a liquid ejector by use of a liquid sensor. There are included a head cleaning step of performing a head cleaning...
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7322233 |
Level meter with a waveguide and a wave adapter
The invention relates to a level meter with a waveguide for guiding an electromagnetic wave, such that the waveguide is designed as a hollow conductor and has a forward terminal section; with a...
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7319401 |
Radar level gauge system with variable alarm limits
A radar level gauge system for determining the filling level of a filling material in a tank is disclosed. The system comprises a transmitter for transmitting measuring signals towards the surface...
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7308825 |
Tank gauging system
A tank gauging system for sensing product parameters of a product contained in a tank is disclosed. The system comprises a microwave-based level gauging unit and a temperature gauging unit. A...
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7287425 |
Ultrasonic fuel level monitoring device
The invention describes a method of altering the transmitted frequency used in an ultrasonic ranging system for liquid level measurement in a fuel tank. The frequency agility of the system is an...
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7284425 |
Radar level gauge system
A method and a system for radar-based gauging of a filling level of a filling material is disclosed, wherein the tank has at least one interfering structure. The method comprises: transmitting at a...
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7272975 |
Ultrasonic beam shaping device
An ultrasonic beam shaping device includes a plate-like beam shaping element formed of opaque material. The beam shaping element has first and second conical surfaces, with a common axis, formed as...
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7270001 |
Ultrasonic measurement of the running time and quantity for detecting the concentration of particles in a flowing fluid
A method for ultrasonic measurement of the running time and quantity of a flowing fluid is provided, in which the running time of an ultrasonic signal ( 70 ) is measured counter to and in a...
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7260977 |
Self-diagnosis of a vibrating level gauge
Described is a method for detecting and/or for monitoring the level of a medium stored in a vessel and in particular to a method for diagnosing the functionality of the electromechanical...
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7255002 |
Tank seal for guided wave radar level measurement
A microwave level gauge for measuring a level of a process material in a tank includes a ceramic seal and a microwave conductor. The ceramic seal is disposed adjacent to an opening in the tank and...
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7249504 |
Level meter
The invention relates to a level meter for metering the level of a filling substance in a container by means of electromagnetic signals that are guided into and out of the container along a...
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7243539 |
Arrangement for measuring the level of contents in a container
A continuous measurement of the level of contents in a container is effected by a level measuring device functioning in accordance with the transit time principle by means of waves transmitted from...
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7239129 |
Sensor based on the travel time principle with a detector unit for mechanically elastic waves
A position sensor based on the travel time principle of a mechanically elastic wave length having a wave guide, an electrical hollow return conductor, a detector coil attached to the wave guide and...
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