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| Number | Title | Issue Date |
| 7669471 | Multi-function flow tester A fluid flow tester for measuring minute volumes of fluid and for calibrating medical devices, such as intravenous infusion pumps, includes a plurality of valves and associated conduits which direct fluid from the device being tested to a transparent vertical column... | 03/02/2010 |
| 7080550 | Rate tube measurement system A rate tube measurement system for measuring injected fuel and a method thereof are disclosed. In one embodiment, the system includes a fixture assembly, a rate tube fluidically connected to the fixture assembly to receive fuel injected by the fuel injector during, ... | 07/25/2006 |
| 7073379 | Arrangement and procedure for the measuring of liquid level An arrangement for fill level measurement is provided, with which accurate fill level measurement on a continuing basis is possible, including a container (3) containing a fill substance (1) whose fill level is to be measured, a fill level measuring de... | 07/11/2006 |
| 7063043 | Milk flow meter for a milking system having a substantially stable vacuum level and method for using same A milk flow device which includes a conduit for transporting a substantially continuous milk flow varying in height up to a maximum height wherein the maximum height is less than a fluid height which would occlude the conduit and interrupt the vacuum level is shown.... | 06/20/2006 |
| 6943690 | Flow verification mechanism A flow verification sensor apparatus (30) is used with a constant volume pump (11) that pumps a liquid product (13) from a container (12). A plummet (32) is positioned in a flow tube (31). A sensor (33) is positioned ... | 09/13/2005 |
| 6924214 | Method for calculating a time-related fill level signal In a method for calculating a time-related fill level signal (h(t)) from a sensor signal (s(t)) of a fill level sensor for detection of the fill level of a liquid, the time-related fill level signal (h(t)) is calculated as a function of the sensor signal (s(t)) and ... | 08/02/2005 |
| 6915683 | Method, computer program, and device for measuring the amount injected by an injection system For measuring the injection quantity (Vm) of injection systems (18), in particular in internal combustion engines, test fluid (22) is injected by the injection system (18) into a measurement chamber (12). To increase the precision and sta... | 07/12/2005 |
| 6508109 | Method and device for measurement of pulsating milk flow A method and device for making measurements of the characteristics of a fluid, particularly the milk, which flows in pulsations in a conduit. The device has a measuring region wherein at least one characteristic of the fluid is determined. The measurement... | 01/21/2003 |
| 6393908 | Outflow meter A self-contained symmetrical outflow meter for resting on a non-skid surface such as pavement and timing the rate of water drainage from the surface. The outflow meter is characterized by a circular base, a pair of handle supports which extend upwardly fr... | 05/28/2002 |
| 6176274 | Method and system for measuring fluid volume in a photolithography track A method and system for measuring a fluid in a photolithography track is disclosed. The method includes dispensing the fluid in a photolithography track into a self-contained reservoir, and measuring the volume of the fluid using the self-contained reserv... | 01/23/2001 |
| 5905200 | Cyclonic flow meters and method of using same Detection of the flow of a fluid, and also measurement of the flow of a fluid, is provided by feeding the fluid flow through a cylindrical chamber to form a cyclonic circulation of the fluid in the chamber. A movable member is moved by the fluid flow. As ... | 05/18/1999 |
| 5877417 | Flow meter A device and method for determining the flow rate of gas entrapped fluids delivered in a pulsating flow, such as milk, wherein the invention boasts an improved fluid level detection arrangement for determining flow rates with improved accuracy, and an imp... | 03/02/1999 |
| 5801308 | Measuring apparatus for measuring an injected quantity of liquid A measuring apparatus according to the present invention for measuring an injected quantity of fuel at pilot injection in an internal combustion engine, particularly, a diesel engine, which performs main injection process after the pilot injection process... | 09/01/1998 |
| 5792964 | Milking system including a milk quantity meter A quantity meter for determining the quantity of liquid flowing through a line is provided with at least two electrically conducting elements arranged in the line spaced from each other and being in communication with an electronic circuit. This electroni... | 08/11/1998 |
| 5635637 | Apparatus for measuring the flow rate of a fluid A meter which measures fluid flow by passing the fluid through a receptacle and determining the mass of fluid in the receptacle. The shape of the receptacle, the fluid flow path within the receptacle and the receptacle outlet are chosen to ensure that for... | 06/03/1997 |
| 5606135 | Cyclonic flow meters and method of using same Detection of the flow of a fluid, and also measurement of the flow of a fluid, is provided by feeding the fluid flow through a cylindrical chamber to form a cyclonic circulation of the fluid in the chamber. A movable member is moved by the fluid flow. As ... | 02/25/1997 |
| 5597960 | Pump station flowmeter A pump station flowmeter is disclosed including a pump status comparator for creating level status without being connected to any level sensors by comparing pump status to a list of association between expected pump status and levels. The wet well dimensi... | 01/28/1997 |
| 5385056 | Pump station flowmeter A pump station flowmeter is disclosed including a sudden high inflow change detection circuit for eliminating from a series of emptying characteristic calculations taken over a period of time those measurements which are outside of a predetermined accepta... | 01/31/1995 |
| 5325725 | Water cooled stator winding leak detector A device for monitoring the leakage of cooling gas into the stator water cooling system is disclosed. The vent from the water cooling reservoir tank is connected to the inlet of a U-shaped passageway and the outlet of the passageway is connected to an atm... | 07/05/1994 |
| 5313842 | Pump station flowmeter with sudden high inflow change detector A pump station flowmeter is disclosed including a sudden high inflow change detection circuit for eliminating from a series of emptying characteristic calculations taken over a period of time those measurements which are outside of a predetermined accepta... | 05/24/1994 |
| 5220515 | Flow verification for process gas in a wafer processing system apparatus and method The flow of process gas used in a semiconductor wafer fabrication system is verified against the known flow of a verification gas using a derivative of the ideal gas law: n'pro =(P'pro /P'ver) n'ver where n'pro | 06/15/1993 |
| 5119675 | Liquid drainage system A liquid drainage system is disclosed comprising a combination urine meter element and drainage receptacle, the urine meter element having front and rear walls defining a chamber adapted to receive and measure urine output. The urine meter having an inlet... | 06/09/1992 |
| 5094112 | Process and a device for carrying out measurements at a foaming liquid This specific density of the liquid/air mixture is measured at successive levels within the reception vessel for the liquid using a reference measurement (Io) representing the specific density of the degasified liquid within a reference measuring path. Th... | 03/10/1992 |
| 5062304 | Urine collection monitor with temperature sensing An apparatus and method for flow and temperature analysis during collection of a urine sample, and for simultaneously maintaining the urine sample sterile. A disposable vessel for collecting the urine is mounted on a commode adapter, and includes a variab... | 11/05/1991 |
| 5046925 | Gas piston liquid flow controller A gas piston liquid flow controller comprising a pumping chamber of fixed volume, means to separately introduce into said chamber pressurized gas and liquid, means to detect the presence of liquid at predetermined upper and lower levels in said chamber, m... | 09/10/1991 |
| 5043074 | Device and method for measuring the ultrafiltration in an artificial kidney The invention includes a device for measuring a quantity of liquid extracted from a dialysis liquid circuit, the device having a reservoir means connected to the dialysis liquid circuit for receiving liquid from the dialysis liquid circuit, at least one m... | 08/27/1991 |
| 5035139 | Process and a device for carrying out measurements at a foaming liquid The specific density of the liquid/air mixture is measured at successive levels within the reception vessel for the liquid using a reference measurement (Io) representing the specific density of the degasified liquid within a reference measuring path. The... | 07/30/1991 |
| 4974448 | Electrodes for measuring the level of milk in flowmeters Electrodes for measuring the level of milk flowmeters and positioned together in a holder of a non-conductive material that extends tight through the bottom of the flowmeter with their active surfaces vertically separated. The electrodes are adjacent pins... | 12/04/1990 |
| 4964307 | Liquid flow measuring device A liquid flow measuring device for lubrication systems and the like allows liquid flow measurement to be made with a minimum interruption of liquid flow and no dismantling of lubricant pipes to lubricated elements. The measuring device comprises a contain... | 10/23/1990 |
| 4962666 | Mass flowmeter apparatus This invention relates to a method and apparatus for a liquid mass non-venting flowmeter. The flowmeter apparatus gives correct flow regardless of changes in density, viscosity, or composition of the liquid and corrects flow in spite of errors common in c... | 10/16/1990 |
| 4897797 | Proportional chemical feeding system In a treatment system for feeding a liquid from a tank having an outlet by a controllable pump operated cyclically, an automatic calibration/measuring system. The system is arranged for determining the volume of liquid pumped each cycle of operation by th... | 01/30/1990 |
| 4718443 | Mass flowmeter apparatus This invention relates to a method and apparatus for a liquid mass flowmeter. The flowmeter apparatus gives correct flow regardless of changes in density, viscosity, or composition of the liquid and corrects flow in spite of errors common in currently use... | 01/12/1988 |
| 4669307 | Milk amount measuring device for milking machines and the method for measuring the same A device which measures the amount of milk which has been milked by a combination of a swinging member 2 and a tank 5; and a weight balance section, thereby enhancing accuracy in measurement as well as reducing in size the device. A measuring method for t... | 06/02/1987 |
| 4669308 | Method and apparatus for determining liquid flow rates There is provided a method of determining the total inflow of a liquid through a liquid-flow system such as a sewage pumping station, in which liquid enters a sump cavity and is pumped out of the sump cavity on a periodic basis. The probable inflow rate d... | 06/02/1987 |
| 4549432 | Metering separator for determining the liquid mass flow rate in a gas-liquid oilfield production stream The separator accepts both the casing annulus and tubing production streams issuing from an in situ combustion project production well. Most of the gas in the flow is first separated from the liquid and solids, by centrifugal action. This gas is removed f... | 10/29/1985 |
| 4530465 | Method and device for calibrating a regulated flow spraying apparatus A method and device are disclosed for calibrating a regulated flow spraying apparatus of the type including a source of spraying fluid under pressure, and spray nozzles, the flow rate of the spray nozzles being regulated by varying the pressure of the liq... | 07/23/1985 |
| 4522059 | Flowmeter and installation for mixing an additive in a liquid A flowmeter has a tank disposed between a discharge circuit and a supply circuit from which the tank is refilled when the level of the liquid in the tank falls below a predetermined level. A plunger is suspended in the tank by a force sensor. The output o... | 06/11/1985 |
| 4519248 | Device for measuring a whole day urinary output This invention provides a device for measuring a whole day urinary output, which includes an outer cylindrical container and an inner hollow tubular container positioned in the outer cylindrical container for proportionally sampling urine from the outer c... | 05/28/1985 |
| 4513830 | Method and arrangement for determination of values relating to the mass of a flow of material A method and apparatus for continuous weighing of a fluid material is described, wherein the material is continuously fed to a weighing container and discharged therefrom, the weighing of the material during filling and the estimated weight thereof during... | 04/30/1985 |
| 4455870 | Method and apparatus for determining liquid flow rates There is provided a method of determining the total inflow of a liquid through a liquid-flow system in which the liquid enters a sump cavity and is pumped out of the sump cavity by pump means. Computing means calculates an on-going total inflow volume for... | 06/26/1984 |
