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9038455 System and method for product level monitoring in a chemical dispensing system  
A system and method for monitoring the levels of product in a chemical dispensing system. A probe assembly is operatively disposed in a container holding product to be dispensed. A detection...
9035800 Fuel tank monitoring system  
A method and apparatus for monitoring an interior of a fuel tank. Information about a fuel level and moisture in the interior of the fuel tank of a platform is generated using a fuel sensor unit...
9027399 Liquid level sensor  
A quartz glass liquid level sensor includes a support frame, a light masking plate, a quartz glass tube, and a sensor module. The light masking plate is movably mounted on the support frame. The...
9024808 Filling level determination using transmit signals with different frequency steps  
A method of determining a filling level comprising transmitting a first transmit signal exhibiting a first ratio between bandwidth number of frequencies; receiving a first reflection signal;...
8966972 Flexible fuel sensor  
A flexible fuel sensor for measuring the fuel level in a tank in which the sensor is installed. The flexible fuel sensor comprises a fitting arranged to be mounted to a mated fitting on a fuel...
8963768 Measurement system comprising a pressure resistant feed-through  
Stated is a process separation device for a fill-level measuring device including a pressure resistant feed-through for an inner conductor. The process separation device comprises an inner...
8963769 Guided wave radar interface measurement medium identification  
A guided wave radar transmitter for interface measurement comprises a probe defining a transmission line for sensing level of two immiscible liquids to define an interface therebetween. A pulse...
8959997 Method and apparatus for measuring volume flow rate of liquid flowing into a container and/or volume of liquid which has flowed into the container  
A method and apparatus for measuring volume flow rate of a liquid flowing into a container and/or volume of the liquid flowed into the container, with which method, respectively with which...
8944117 Method for dispensing a liquid into a container and related dispenser  
The present invention relates to a method for dispensing a liquid to fill a container (4) up to a predetermined liquid level. The invention also refers to a dispenser capable of achieving such a...
8931339 Method for evaluating the measurement signals of a propagation-time based measurement device  
A method which allows especially the extrapolation of the measured value at the upper and lower end of a measuring range where normally no direct measurement range where normally no direct...
8915134 Instrument fault indication apparatus  
A measuring system is disclosed that may include a sensing module that provides a response to a measured quantity, a first mechanical transducer that provides an output signal proportional to the...
8904860 Fluid detection apparatus  
Fluid detection apparatus including fluid non-retention members and fluid detection members is disclosed. The fluid non-retention members have concave curved portions having a concavity in an...
8892372 Estimating fluid levels in a progressing cavity pump system  
A method and apparatus for operating a pumping system includes the following: determining a motor operating parameter of a motor configured to drive a pump in a well; determining a pump operating...
8875571 Detector of presence of a liquid  
A detector for detecting the presence of a liquid comprising a probe sensitive to the presence of the liquid on contact with it, and a casing surrounding the probe comprising: a) an opening for...
8869610 Fuel level gauge control systems and methods  
A system includes a fuel level determination module, an adjusting module, and a gauge control module. The fuel level determination module outputs a measured fuel level based on a fuel level signal...
8872696 Intermittent surface measurement  
A method of determining a filling level of a product contained in a tank, the method comprising the steps of: a) transmitting an electromagnetic probing signal towards a target area of a surface...
8863572 Method and system for the protection of internal filters of a LTFT slurry bubble reactor  
The invention provides a method for the protection of internal filters of a LTFT slurry bubble reactor. The method includes the step of activating an emergency back-flush procedure during low...
8862413 Liquid-level gauge testing device and testing method therof  
A liquid-level gauge testing device includes a table, a height control unit, an indicator unit, and a liquid container. The height control unit includes a displacement mechanism mounted on the...
8850884 Liquid tank and fuel cell  
Provided are a liquid tank capable of reducing an influence of disturbance on measurement results and measuring accurate volume, and a fuel cell using the same. One face of a liquid container...
8847602 Plug-in module for a liquid or gas sensor  
A plug-in module for a liquid- or gas-sensor comprised of a sensor module (SM) and a sensor module head (SMH), which can be releasably connected together, and which, when connected, enable data...
8844351 Solid state fluid level sensor  
A sensor system for sensing liquid level in a bilge, for use in automatic bilge pump actuation. First and second field effect sensors are potted or sealed within a container or the bilge wall and...
8842039 Guided wave radar level gauge with improved sealing arrangement  
A radar level gauge for determining a filling level of a product contained in a tank. The gauge has a sealing arrangement comprising a hollow housing, a conductor and a dielectric sleeve arranged...
8841926 Method, liquid supply unit, and measurement device for a level indicator  
The subject matter of the invention is a method for a printing machine with a printing device (5), in particular an inkjet printer, for applying liquid (22) onto a print material, with monitoring...
8820158 Liquid level detecting device  
A liquid level detecting device includes a resistor plate having conductive segments, a float that vertically moves in accordance with a displacement of a liquid level, a float arm that has one...
8820569 Fuel container, fuel residual amount measurement device, and fuel residual amount measurement method  
A fuel container includes a container body having a fuel discharge port and an interior spacing. A body of liquid fuel is filled in the interior spacing of the container body. Follower units are...
8813560 Fluid reservoir for a motor vehicle hydraulic brake system  
A motor vehicle hydraulic brake system fluid reservoir for use with an electronic control unit. The hydraulic brake system fluid reservoir has a housing including a reservoir interior space having...
8813551 Device that accurately measures physiological fluid flow  
A sensor for sensing a volume of fluid in a container includes first and second elements, each element including a first portion and a second portion. The first portion of the first element has a...
8800364 Device for detecting the liquid level in the washing bath of a washing machine  
The device (1) comprises a body (2) in which are formed a first and second chamber (14, 15) separated sealingly from each other by a resilient diaphragm (6). The first chamber (14) has an inlet...
8803683 System, method, and device for measuring and reporting changing levels of liquids in storage tanks  
A system for measuring and reporting changing levels of liquids in a storage tank includes a sensing device having a fluid level sensor, an accelerometer, a wireless transceiver, and a...
8789414 Level sensing apparatus  
There is provided a level sensing apparatus detecting the level of a detected material, the apparatus including: a circuit board; a first electrode and a second electrode having different...
8776582 Sensor device for measuring the flow and/or the level of a fluid or of a substance  
A sensor device and a related method for measuring the flow of a fluid and/or for detecting the presence of a substance have such respective structural and functional features as to allow reliable...
8776595 Temperature compensated hydrostatic liquid level sensor  
An outer passive reference resistor loop is printed along the length of an elongated substrate along with an inner active liquid level sensing resistor loop, whereby the reference resistor loop is...
8776598 Liquid sensor  
A fluid sensor includes a metal housing body, which has a box and a flanged ring circumferentially surrounding the box. A housing jacket is formed from plastic material and disposed on an exterior...
8756991 Pneumatic indicator for detecting liquid level  
A pneumatic sensor/indicator device includes a sensor assembly having a bellows receiving chamber and sensor housing. An elastic bellows is in the bellows receiving chamber. A shaft connects to...
8757549 Fuel gauge for an unmanned aerial vehicle  
An amount of fuel in a fuel bladder of an unmanned aerial vehicle (UAV) is determined based on a deformation of the bladder. In some examples, a fuel system for a UAV includes a bladder, a...
8756992 Level detector for measuring foam and aerated slurry level in a wet flue gas desulfurization absorber tower  
A level detector 100 includes a sleeve 210 mountable to a vessel and extendable through a wall 212 defined by the vessel 212A and into an interior area 214 defined by the vessel. The sleeve 210 is...
8752426 Fill-level measuring device  
A fill-level measuring device with a membrane, which is placed in such a manner on one of the two end region of a tubular housing that it seals the housing on such end region. An oscillatable unit...
8746061 Liquid level detecting apparatus  
The change in a contact over time is stabilized by lowering intense wear of the contact in the initial sliding stage and imparting stabilized wear characteristics from the initial sliding stage....
8739620 Liquid-sensing probe and methods for using the same  
A sensor assembly includes a main body, a sensor, and a filler. The main body includes an outer surface having a continuously-variable radius of curvature in at least one portion. A sensor in...
8735856 Fiber optic liquid level detector  
The present invention provides a hollow prism for detecting liquid level in the presence of an optical beam, including a hollow member, dielectric members sealed to the hollow member with one of...
8733167 Method and device for detecting a tank level  
A method for detecting the tank fuel level of a motor vehicle includes: ascertaining the tank level sensor signal (UTSG) of a tank level sensor, determining a calculated tank level (Fcalc) as a...
8726728 Level gauge system with wettable propagation device  
The present invention relates to a level gauge system for determining a filling level of a product contained in a tank, comprising a transceiver for generating, transmitting and receiving...
8714234 Sensor and method for measuring the surface level of a liquid phase metal  
A sensor for measuring the surface level of a liquid phase metal includes an air excitation coil and lower and upper air reception coils. Excitation coil is perpendicular to an upper surface of an...
8701483 Device for emulsion measuring by means of a standpipe  
A measuring device is for determining a separating layer or a mixing ratio in a container. The measuring device comprises two fill-level measuring apparatuses that acquire the echo curves in a...
8706995 Field device with separated memory areas  
A field device for measuring a filling level, a pressure or a density of a medium in a container includes data memory with two memory areas that are separated from one another. First data for...
8695421 Fuel pump module including a horizontal sender gauge  
A fuel pump module includes a reservoir and a sender gauge. The reservoir is configured to contain fuel. A sender gauge includes a card mount and a resistance card. The card mount is fixed within...
8686895 Pulsed radar level gauge system with higher order harmonic regulation  
A radar level gauge system comprising first pulse generating circuitry for generating a transmission signal, second pulse generating circuitry for generating a reference signal; and frequency...
8671751 Liquid level detecting apparatus  
A liquid level detecting apparatus is provided. A resistance plate has a plurality of elongated conductive segments arranged therein. A float is configured to be moved upward and downward...
8659472 Method and apparatus for highly accurate higher frequency signal generation and related level gauge  
An apparatus includes a stable local oscillator, which includes a first control loop. The first control loop includes a first voltage-controlled oscillator configured to generate a first output...
8656773 Rationality diagnostic device for alcohol concentration sensor  
A rationality diagnostic device for an alcohol concentration sensor includes a capacitance-type remaining fuel amount sensor as a remaining fuel amount sensor disposed in a fuel tank. The...