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| Number | Title | Issue Date |
| 7344297 | Method and apparatus for asynchronous blending and supply of chemical solutions The invention is a method and apparatus for asynchronous blending and supply of chemical solutions. The method of the present invention includes a continuous blending system. This continuous blending system monitors the output and continuously adjusts the blending s... | 03/18/2008 |
| 7289878 | Apparatus and method for modifying operation of an electric gun driver A method and apparatus for providing adjustment of current-related dispensing parameters in an electric dispensing gun. A control circuit receives user-selected inputs corresponding to dispensing parameters of the gun and converts those inputs into digital signals. ... | 10/30/2007 |
| 7270141 | Methods and systems for controlling viscosity in real time Systems and methods are disclosed for controlling a viscosity of a fluid. The control system includes a controller controlling an input to an actuator and an observer estimating the viscosity of the fluid. The controller includes an input, and the actuator is capabl... | 09/18/2007 |
| 7159618 | Electrically opened micro fluid valve The invention relates to an electrically-opened micro fluid-valve. The inventive valve comprises: at least one planar support (12); at least one afferent microchannel (14); at least one efferent microchannel (16), said microchannels being arrang... | 01/09/2007 |
| 7049558 | Apparatus and method for heating microfluidic volumes and moving fluids A device and method for the temperature control, concentration, volume measurement and transport of microfluidic volumes are provided. The device includes one or more heating elements having a resistive material that varies with temperature. The heating elements are... | 05/23/2006 |
| 7028922 | Soap dispenser system and valve arrangement therefor A soap dispenser system includes a venturi suction tube having a soap supply bore intersecting the main through bore; a soap dispenser controlling dispensing of soap from a container; and a supply tube connecting the soap dispenser to the soap supply bore of the suc... | 04/18/2006 |
| 7001573 | Process for removing fine dust from a fluidized-bed reactor, in particular for the oxychlorination of ethylene By a process for removing fine dust from a fluidized-bed reactor, in particular for the oxychlorination of ethylene, is intended to permit specific control of the amount of fine dust particles in a reactor while reducing the height of the reactor and the same time f... | 02/21/2006 |
| 6807977 | Method and device for monitoring the flow of oil pertaining to a device for the oil and air lubrication of components A method and apparatus to automatically monitor a lubricant supply of a unit lubricated according to the principle of oil and air lubrication. The method and apparatus detect oil streaks traveling on the wall of the lubricant line by using a capacitive or opto-elect... | 10/26/2004 |
| 6752165 | Refiner control method and system A system and method for monitoring and control operation of a rotary disk refiner. The method regulates refiner operation in response to a process variable preferably in relation to a setpoint. The variable can be temperature, pressure, and/or stock consistency, ref... | 06/22/2004 |
| 6704617 | Automated system for control and diagnostics for dispensing systems This embodiment relates generally to a foam dispensing system, and more particularly to an automated monitoring and diagnostic system for use with foam dispensing systems that permits remote control of the dispensing of foam. A control console is provided... | 03/09/2004 |
| 6659634 | Chemical solution feeding apparatus and method for preparing slurry An apparatus for feeding slurry to an external device. The apparatus includes a preparation tank for preparing the slurry. A circulation pipe is connected to the preparation tank to circulate the slurry. A feeding pipe is connected between the preparation... | 12/09/2003 |
| 6622746 | Microfluidic system for controlled fluid mixing and delivery A microfluidic system is provided for controlling delivery and mixing of thermally-responsive fluids. A plurality of microfluidic inlet channels open into a mixing chamber. A valve is associated with each of the inlet channels for controlling the flow of ... | 09/23/2003 |
| 6571817 | Pressure proving gas valve A pressure proving gas valve insures safe and efficient operation of a fuel-burning appliance by monitoring combustion air pressure and appropriately controlling the valve based upon this air pressure. An air pressure sensor is incorporated into a pressur... | 06/03/2003 |
| 6168824 | Paint viscosity measuring system A method of monitoring and regulating the viscosity of paint in an automotive paint application is provided. The method includes delivering paint to the paint application system with a pump. Continuously monitoring the pressure that the paint is delivered... | 01/02/2001 |
| 6056001 | Methods for positively assuring the equal distribution of liquid and vapor at piping junctions in two phase flow by intermittent flow interruption Equal distribution of two phase fluid between tow outlets is assured by an assembly which switches full fluid flow alternately between the two outlets on a timed basis. Distribution can be made for either impact T or branch T junctions without a quality v... | 05/02/2000 |
| 6024111 | Process for hydraulic transport of bulk material In a process for hydraulic transport of bulk material from a receiving site to a remote location via a conveying pipeline, a dispersion is prepared from bulk material and a liquid, and conducted into a feed pump which has a pressure side in communication ... | 02/15/2000 |
| 5829466 | Fluid treatment system A system and method for treating a fluid flowing along a main fluid supply path in which a streaming current detector receives a sample flow of a main fluid supply following main dosing with a chemical under control of a streaming current detector output.... | 11/03/1998 |
| 5794642 | Process for transporting thermally unstable viscous masses The invention is concerned with a process for transporting a thermally unstable viscous mass through pipes and is characterized in that (a) during transportation, the mass is divided into X1 partial flows T1, X1 being calculate... | 08/18/1998 |
| 5604300 | Crosslink test method Automated objective crosslink time and crosslink temperature determinations are provided in a method of testing for chemical crosslinking of a fluid. A fluid having a crosslinking agent is placed in a vessel and a paddle is rotated through the fluid in th... | 02/18/1997 |
| 5573333 | Demand responsive, continuous preparation of starch slurry for use in manufacturing gypsum products A system for delivering a proper proportion of water and starch to form a slurry on a continuous basis responsive to the rate required for the production of gypsum board has a water input controller and a starch input controller to control the rate of wat... | 11/12/1996 |
| 5455076 | Method and apparatus for proportioning and mixing non-compressible and compressible fluids The present invention is directed to methods and apparatus for effectively proportioning a mixture of compressible and non-compressible fluids, wherein the resulting mixture has an almost constant density. The present invention is particularly useful for ... | 10/03/1995 |
| 5452954 | Control method for a multi-component slurrying process A method of controlling a continuous multi-component slurrying process at an oil or gas well comprises continuously flowing substances for creating a slurry in response to a slurry flow rate factor and continuously flowing another substance for the slurry... | 09/26/1995 |
| 5447744 | Process for supplying a gas, especially of diborane and silane A process for supplying a gas to a reactor comprising the steps of: (i) continuously measuring density of the gas, the gas including at least one component which is susceptible to formation of an undesired side product as shown by a variation in density of the... | 09/05/1995 |
| 5388604 | Method for adjusting the density of a liquid A density controlled product with controlled overrun amounts is formed a method and an apparatus whereby a fluid stream is measured with a mass flow meter in order to develop a predetermined liquid metering density control system for mixing a liquid havin... | 02/14/1995 |
| 5353827 | Process for producing pasty paraffin An apparatus and a method for producing pasty paraffin from liquid paraffin comprises the use of an agitator for mixing the paraffin during its solidification within a receptacle. The viscosity of the paraffin is controlled by the monitoring of the power ... | 10/11/1994 |
| 5350567 | Centrifugal fluidizing granulator for powder coating granulation The centrifugal fluidizing granulator for powder coating granulation has a sensor for detecting changes of viscosity of the growing particles by means of a load cell or a displacement detector; and output signal of the sensor is compared with the data sto... | 09/27/1994 |
| 5276248 | Process for the storage and transportation of liquid hydrocarbons The present invention relates to the use of hydrocarbon-rich gels as a safe storage or transportation form for liquid hydrocarbons and to a process for the safe storage and safe transportion of liquid hydrocarbons, characterised in that a) the hydrocarbon... | 01/04/1994 |
| 5263848 | Preparation of oil-in-aqueous phase emulsion and removing contaminants by burning A process for preparing an oil-in-aqueous phase emulsion and removing contaminants from a contaminated hydrocarbon. The process comprises mixing a contaminated hydrocarbon with a reactant and an emulsifying composition. Contaminants are removed from the c... | 11/23/1993 |
| 5156652 | Low-temperature pipeline emulsion transportation enhancement Stable oil-in-water emulsions for pipeline transmission are formed at a temperature of from about 100° F. to about 200° F. preferably using at least one ethoxylated alkylphenol compound and a freezing point depressant for water to enable pipeline transm... | 10/20/1992 |
| 5098667 | Particulate flow control A continuous flow of particulate solids to a reactor is accomplished by first forming a heavy slurry in a storage tank, then transferring the heavy slurry to a mixing tank, where the heavy slurry is diluted to form a dilute slurry of desired density which... | 03/24/1992 |
| 5000872 | Surfactant requirements for the low-shear formation of water continuous emulsions from heavy crude oil A process for the preparation of low-viscosity improved stable crude oil transport emulsions. The process comprises producing a hydrocarbon crude, and mixing the produced hydrocarbon crude with an emulsifying composition(s) which contains water and is cap... | 03/19/1991 |
| 4993086 | Emergency shut-off mechanism for flush tank An emergency shut-off for a flush tank having a liquid replenishment valve is connected to the liquid replenishment valve for moving the valve to a closed position if liquid level in the tank has not reached a predetermined height within a predetermined t... | 02/19/1991 |
| 4992487 | Method for determining flow behavior index and using index to control polymer rheology and physical properties Process and apparatus for on-line determination and control of the Flow Behavior Index of a molten polymer stream are disclosed along with methods for using the Index as a means for monitoring and controlling polymer quality. In particular, the Index may ... | 02/12/1991 |
| 4982756 | Use of ultrasonic energy to decrease the gel strength of waxy crude oil Ultrasonic energy is applied to a combination of waxy crude oil and a solution of polymeric wax crystal modifier to effect dissolution of the modifier in the crude oil, thereby reducing the gel strength of the crude oil. The ultrasonic energy may be appli... | 01/08/1991 |
| 4977915 | Demulsifier control system and method The present invention controls the addition of a demulsifier through a petroleum stream by causing the petroleum stream to have a density gradient relating to its water content. The petroleum stream is sampled at two different locations along the density ... | 12/18/1990 |
| 4978365 | Preparation of improved stable crude oil transport emulsions A process for the production of an oil-in-water emulsion for pipeline transmission. The process comprises producing a hydrocarbon crude, and mixing the produced hydrocarbon crude with an emulsifying composition(s) which contains water and is capable of as... | 12/18/1990 |
| 4899774 | Fluidic density control for chlor alkali cells The density of a caustic liquid is reduced by automatically adding water to the caustic when the specific gravity of the caustic is unacceptably high. A small stream of water is continuously directed over the head of a specially designed hydrometer. As lo... | 02/13/1990 |
| 4865067 | Fluid consistency regulating pump A system for controlling the consistency of a material pumped from a reservoir, by introducing an alterant into the material, which system includes a diaphragm-type pump for pumping the material from a reservoir, the pump being driven by a double-acting a... | 09/12/1989 |
| 4779762 | Method and apparatus for controlling the gas content of dispensed hot melt thermoplastic adhesive foam A method and apparatus for controlling the gas content of dispensed hot melt thermoplastic adhesive foam. Air or another relatively inert gas is mixed with molten thermoplastic adhesive, and the mixture is pressurized to form a gas and molten adhesive "so... | 10/25/1988 |
| 4726896 | Method and apparatus for on-stream analysis of slurried ore An on-stream method and apparatus for measuring the content of a mineral constituent in a flowing slurried ore on a dry weight basis, is provided. The slurry density and flow rate, and optionally temperature, are measured to calculate a period of time dur... | 02/23/1988 |
