Matches 1 - 34 out of 34
Match Document Document Title
7079037 System and method for indicating liquid level condition  
An indicator for displaying either low liquid level or satisfactory liquid level conditions within a tank includes a sensor for detecting the liquid level conditions, a photodetector for detecting...
6922150 System for level gauging and providing alarms for a storage room using two gauging devices for determining a current level value  
Method and device for calculating the level of the surface of a product in a storage room by a radar level gauging system, which includes a first gauging device for calculating a first value of...
6766276 Method and device for detecting a dysfunction of an ulatrasonic flowmeter  
A method for detecting malfunctions in a flowmeter includes the measuring of the receive signal V IN output by a transducer. A characteristic of the receive signal is compared to a predetermined...
6651480 Particulate mass measuring method with intrinsic correction for volatilization losses  
The mass of particulate matter in a particle laden gas stream is measured using a single mass detector. The particle laden gas stream and a substantially identical but particle-free gas stream...
6249752 Vibrating conduit parameter sensors, operating methods and computer program productors utilizing real normal modal decomposition  
A plurality of motion signals is received representing motion at a plurality of locations of a vibrating conduit containing material. The received plurality of motion signals is processed to...
6092409 System for validating calibration of a coriolis flowmeter  
A System for validating a flow calibration factor for a Coriolis flow meter. In accordance with the present invention, the period of oscillation of a flow tube is measured as a material of a known...
5752409 Method of accurately gauging fuel in an automotive tank  
The maximum full level is determined in a fuel tank of undetermined size using a fuel level sender referenced to the tank bottom. A minimum full value is selected for a given type of tank and when...
5564305 Apparatus and method for controlling the rate of flow of a liquid  
A column of liquid is formed in a conduit for such liquid, of which flow-off amount gives then between two level measuring probes a constant value. This constant value is compared with the...
5406828 Method and apparatus for pressure and level transmission and sensing  
This invention provides a method and apparatus for transmitting and sensing liquid pressure (head) and liquid level (depth) in flow metering, tide gauge and liquid salinity or slurry density...
5284046 Mobile calibrating apparatus for control of volume meters for liquid, especially propellant pumps in the traffic sector  
The invention relates to a calibration apparatus for control of propellant pumps, especially in the traffic sector, which apparatus is placed on a vehicle, especially a trailer. The apparatus (1)...
5263367 Method and apparatus for determining delivery amounts and rates of pumps in the medicotechnical field  
A method to determine the delivery rate and delivery volume per unit of time of a liquid involves connecting one end of a sealed tube to the outlet of the pump, with the other end being provided...
5131591 Device for measuring flow  
Fluid delivery equipment, for example for distributing herbicide, is calibrated to provide a correct flow rate by performing a test cycle in which the fluid flows into a measuring device for a...
5049317 Metering arrangement for a gas mixture  
The invention is directed to an arrangement for generating and metering a gas mixture which includes controllable adjusting elements whereby the gas mixture is either conducted through a bypass...
4896539 Spray calibration device and method  
A device for determining a flow rate of liquid discharged from a plurality of discharges comprising a plurality of collectors for the discharged liquid connected by a manifold having a plurality of...
4638233 Method of establishing a preferred rate of air flow, method of determining torque, and apparatus  
A method of determining torque of an electronically commutated motor arranged to drive a blower means for flowing air through a contained space with the electronically controlled motor and the...
4538445 Liquid flow meter  
A meter for measuring liquid flow rates to a device under test has a liquid supply tank connected to the device by a conduit and also has a test standpipe having a uniform internal diameter...
4502318 Method and apparatus for calibrating flow meters  
The specification discloses a method and apparatus for calibrating liquid flow meters of all types. The system includes a scale for dynamically determining the weight of a liquid flowing through a...
4358947 Method and apparatus for volumetric calibration of liquid flow sensor output signals  
A liquid flow sensor produces output signals which are monitored over a known volume of flowing liquid. That monitored signal value is scaled according to a predetermined volume of liquid to...
4328697 Transducer calibration device  
The output of a transducer is passed to an electrical circuit for supply to a fuel control network. In order to check the output of the transducer the output of the electrical circuit is sampled in...
4073304 System for calibrating a pump  
A system for calibrating the flow rate of a pump, and especially designed for a pump which is normally used in a system to blend highly vaporous and odorous fluids, in which the blending fluid...
4062220 Fluid measuring and metering system  
A system for accurately mixing two or more liquids and for dispensing the mixture. The system is generally adapted for use in paint spraying operations. The flow of one of the components is...
3939688 Volumetric calibration  
A completely enclosed system for volumetric calibration wherein timed valves divert liquid components into separate metering tubes for observation. Pistons or separators in the metering tubes are...
3271993 Accurate flow control  
3216622 Method of controlling the quantities discharged during predetermined periods of one or more viscous liquids and apparatus for performing the method  
3212318 Calibration device  
3177699 Volumetric flow meter calibrator  
3040558 Apparatus for proving meters and the like  
3036455 Metering system  
2991645 Mobile calibration unit for liquid meters  
2915220 Device for measuring gas  
2911820 Method of and apparatus for testing liquefied gas meters  
2860511 Fluid quantity measuring system  
3605481 Title is not available  
1005839 Title is not available  
Matches 1 - 34 out of 34