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Class 702/55 - Liquid level or volume determination


Subclass of Class 702 - Data processing: measuring, calibrating, or testing
Definition: Subject matter comprising means for determining a height
No. of patents: 255
Last issue date: 05/15/2012


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NumberTitleIssue Date
8180582System and method for sensing liquid levels
A system for detecting a presence of a liquid within a receptacle includes a sensor and a processor. The sensor includes a transmitting probe and a receiving probe positioned within the liquid receptacle. The transmitting probe includes a first transducer and the re...
05/15/2012
8165831Water level measuring apparatus and measuring method
A water level measuring apparatus and a water level measuring method, in which a water level L0 of a liquid is read from a water level indicator secured to a liquid tank, and a filter value FLT is calculated by applying a filter with a time constant great...
04/24/2012
8116993Apparatus and methods for monitoring quantities of fluid in a container
The present technology relates to a volumetric measurement device and various methods for operation of the device. The device comprises at least one accelerometer for detecting the angle of tilt/tip of a container. The device also comprises at least one fluid proper...
02/14/2012
8103462Oil consumption monitoring for aircraft engine
A system and method for accurately calculating the oil quantity and oil consumption rate of an aircraft engine detects the level of oil in an oil tank, calculates the oil quantity in the oil tank by compensating for the acceleration of the aircraft, as well as chang...
01/24/2012
8078414Water level measuring apparatus and measuring method
A water level measuring apparatus and a water level measuring method, in which a water level L0 of a liquid is read from a water level indicator secured to a liquid tank, and a filter value FLT is calculated by applying a filter with a time constant great...
12/13/2011
8036838Pumping installation controller
This invention relates to a controller for a pumping installation using a combined pressure sensor and fluid level sensor arrangement. The controller includes a processor responsive to measurements from the sensor arrangement, as well as memory for storing a set of ...
10/11/2011
7966136Immersed fuel level sensor
A level sensor includes a first transducer generating a first signal, a second transducer generating a second signal, and a processor configured to switch operation between a first mode and a second mode. In the first mode, the first transducer generates the first s...
06/21/2011
7865317System and method for measuring a fuel level in a vehicle fuel tank
A fuel measurement system and method that can determine the fuel level in a vehicle fuel tank, even when the fuel is sloshing, splashing, or experiencing other dynamic conditions. Generally speaking, the system and method use different fuel measuring techniques to a...
01/04/2011
7860671High precision liquid level gauge system
High resolution liquid level gauge includes a float member with a buoyant, free end, and an opposing end rotatably attached to an interior surface of a reservoir such that the float member is free to rotate about an axis of rotation. A single magnet defining a singl...
12/28/2010
7844406Level measurement system
To provide a simpler and less expensive system for multipoint level measurement, a level measurement system with at least two sensor devices operating in accordance with the pulse-echo principle and being connected via a communication network to a central signal pro...
11/30/2010
7831399Method for determining the gas volume flow in gas recirculation at a filling station
In a method for determining the gas volume flow in gas recirculation at a filling station, by means of a thermal throughflow sensor which is installed in the gas recirculation system of a gasoline pump, measurement values are detected, which represent the mass flow ...
11/09/2010
7788048Apparatus and method for integrating a fuel supply and a fuel level sensing pressure sensor
A fuel supply includes a fuel container having an interior chamber for containing fuel, and a pressure sensing unit disposed within the interior chamber of the fuel container. The pressure sensing unit is configured to provide an output signal indicative of an amoun...
08/31/2010
7783435Methods and systems for measuring physical volume
Disclosed are methods, systems, and computer program products for determining a volume of liquid product in a manifold set of tanks. The method includes identifying a plurality of book volumes of liquid product in the manifold set of tanks. The method further includ...
08/24/2010
7756647Fill level measurement device
A fill level measurement device senses the fill level of an object within a container. A fill level measurement sensor provides a sensed fill level signal indicative of the level within the container. A signal processing device is responsive to the sensed fill level...
07/13/2010
7747397Automatic parasitic echo storage
Described is a method for automatically initiating an update of a parasitic echo storage device in a fill level meter operating according to a runtime method. In this method individual echoes of echo curves of different ages are allocated, according to their typical...
06/29/2010
7725273Apparatus for monitoring height of liquid in storage tank
An apparatus for monitoring a height of liquid in a liquid storage tank is provided, the apparatus includes a first rotatable element rotatable in response to a change of a liquid level in a liquid storage tank and including a first magnetic component having a first...
05/25/2010
7720618Method for monitoring fluid levels in a tank
A method for monitoring fluid levels in a tank. A first step involves modelling the tank to identify fluid zones of fluids having differing densities, the heat retention characteristics of each the fluid zones and the relative relationships between each of the fluid...
05/18/2010
7706989Methods for detecting fluid surge conditions
Systems and methods for evaluating probe signal level readings in a manner that allows a low water detector to distinguish between a probe that is under a fluid level, or is above the fluid level and either being splashed or is within a foam. Low water detectors whi...
04/27/2010
7689371Collecting and communicating temperature and volume data directly from a dispenser
Disclosed are methods, systems, and computer program products for collecting and communicating temperature and volume data directly from a dispenser for use during a book to physical reconciliation process. The temperature and volume readings can be received directl...
03/30/2010
7630839Fluid detector recognizing foam and surge conditions
Systems and methods for evaluating probe signal level readings in a manner that allows a low water detector to distinguish between a probe that is under a fluid level, or is above the fluid level and either being splashed or is within a foam. Low water detectors whi...
12/08/2009
7536264Balancing net inventory using a dynamic expansion coefficient of liquid product relative to temperature changes
Disclosed are methods, systems, and computer program products for balancing net inventory using a dynamic expansion coefficient of liquid product relative to the temperature changes with density. The method can include receiving an API gravity report that includes a...
05/19/2009
7526389Power management of a system for measuring the acceleration of a body part
The present invention provides an apparatus and method for determining the magnitude of linear and rotational acceleration of an impact to a body part. The apparatus can be used with protective sports equipment, such as a sports helmet, wherein the apparatus include...
04/28/2009
7499815Machine radial stack gap generation and clearance management system and method
A system and method for readily generating radial clearance data for a radial clearance between locations on at least two parts in a rotating machine includes rendering an image of a cross section view of at least a portion of the machine on a display. The locations...
03/03/2009
7477997Method for ascertaining interferants in small liquid samples in an automated clinical analyzer
A liquid aspiration method which includes a method for determining the quality of the aspirated sample through mathematical analysis of the standard deviation of the residuals of the linear regression analysis of the aspiration pressure profile generated between the...
01/13/2009
7428463System and method for adaptive flow control
The system and method for adaptive flow control transmits pause off packets to network nodes after a calculated time based on switch resource usage thereby alleviating congestion is a network switching system. The method includes measuring a resource usage level in ...
09/23/2008
7427377Analyte concentration detection devices and methods
Arrangements for the detection of the presence and/or concentration of an analyte in a sample of bodily fluid include diffuse transmission, diffuse reflection and edge or waveguide illumination arrangements. A vertical flow assay arrangement and/or technique is also...
09/23/2008
7415364Process control architecture with hydrodynamic correction
Methods and systems for controlling processes related to the amount of fluid in a container subjected to externally-excited motions. Fluid level sensor measurements in processing tanks on-board boats are confused by ocean waves and swells. A hydrodynamic model of a ...
08/19/2008
7412337Method for determining fill level on the basis of travel time of a high-frequency measuring signal
A method for determining the fill level (l) on the basis of the travel time (t) of a high-frequency measuring signal (SHF), which is transformed into a lower frequency, intermediate-frequency measuring signal (SZF), wherein the transformation f...
08/12/2008
7409301Boiler water level monitoring and control system
A software-based water level monitoring and control system, preferably for use with conventional steam boilers, is disclosed. The system includes software for monitoring and recording system functions, safety features, diagnostic testing histories, and other functio...
08/05/2008
7392112Systems and methods for real-time fuel inventory control
Systems, apparatus and methods are provided for real-time control of inventory and environmental impacting events. The invention implements statistical analysis of the inventory and environment data at a remote site, typically the site at which the inventory is loca...
06/24/2008
7379832Multi-channel metering apparatus with automatic calibration
Multi-channel metering apparatus with automatic calibration, where the individual dispensing channels 1, the micro-valves 4 of which are connected with the outlets of a distributor 8, 13 or 15 whose inlet is filled with fluid by a vessel ...
05/27/2008
7373305Accounting apparatus, accounting method, and computer-readable program storage medium for storing program having accounting function
A printer performs a printing operation by driving a cartridge to discharge ink. The ink in the printer is billed according to the amount of actual use of ink. In a service center, the head ID is first input. Then, the head ID is verified against the user ID. The am...
05/13/2008
7364563Continuous volume detection for a flexible venous reservoir in a cardiopulmonary bypass circuit
A continuous volume detection system for a flexible venous reservoir in a cardiopulmonary bypass circuit is described. The volume detection system is based on a pressure measurement that is manipulated via application of fluid mechanics. Next-generation cardiopulmon...
04/29/2008
7363112Digital moisture monitor controller with wide applications soil, and hydroponics moisture sensors, and optional X10 multi-sensor, multi-pump controller
Utilizing the latest microprocessor technology, the digital moisture monitor controller along with its wide applications alternating current conduction moisture sensors and optional X10 multi sensor multi pump controller, controls moisture levels in all soils and al...
04/22/2008
7360529Fuel level measurement and run time interpolation
At least one aspect of the invention provides an improved fuel sensing system for a generator, in addition, one or more other aspects of the invention provide improved systems and methods for determining remaining run-time of a generator system. ...
04/22/2008
7353136Electronic drink coaster
A system for ordering drink refills, comprising a coaster body with a processor, a wireless transmitter and at least one button, the processor responding to user inputs to activate the wireless transmitter to transmit wireless signals indicative of a desired order.
04/01/2008
7342673Device for defining participants of a control system for a printing machine
A device for defining participants in a control system that controls a printing machine is provided. The control system includes a central computer and a number of participants which interact with the central computer in order to carry out processes. The participant...
03/11/2008
7337078System and method for remote asset monitoring
A system and method for remotely monitoring conditions at a location and for controlling devices at the location. The inventive system includes: a data link in communication with an electronically readable instrument, the data link having a transceiver configured fo...
02/26/2008
7333900Automatic parasitic echo storage
Described is a method for automatically initiating an update of a parasitic echo storage device in a fill level meter operating according to a runtime method. In this method individual echoes of echo curves of different ages are allocated, according to their typical...
02/19/2008
7330796Methods and apparatus for using water use signatures and water pressure in improving water use efficiency
A method to identify a water flow anomaly in a system having first and second water using devices to generate baseline data that preferably has water use signatures and corresponding water pressure information regarding the water using devices; comparing the baselin...
02/12/2008
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