Matches 151 - 200 out of 288 < 1 2 3 4 5 6 >
Match Document Document Title
4079007 Hemodialysis system with modular dialysate manifold assembly  
A hemodialysis system comprising a modularized dialysate flow circuit manifold assembly. The manifold assembly is detachably secured in the hemodialysis system for ready replacement, whereby...
4072610 Production of solutions  
This invention relates to the production of aqueous solutions of desired concentration for medical purposes which comprises passing water through a reverse osmosis column capable of retaining 100%...
4064893 Discharge system for ballast tank or the like  
A protection system for directing high oil content water ballast discharge to a slop tank and for controlling the rate of discharge of low oil content water ballast.
4062770 Method of and apparatus for digesting organic waste and/or sewage sludge  
Organic waste and/or sewage sludge is digested by passing it downwardly through a closed vessel while air is passed upwardly through it. The air is finely divided or distributed into the vessel so...
4060485 Dialysis apparatus  
A dialysis apparatus, comprising an elongated flow passage with a water inlet and a brine outlet end, a pump at the outlet end for draining brine from the passage, a reservoir of brine concentrate...
4048067 Filtering process and apparatus  
Solids contained in liquids can be effectively separated therefrom by tangentially introducing these liquids into a downwardly converging conically shaped chamber, the walls of which consist of...
4045342 Method and apparatus for filtering  
A method and apparatus for filtering, especially for filtering beer, in which a filter having an inlet and an outlet has the outlet connected with the conduit system leading to first and second...
4040954 Control of flocculant addition in sedimentation apparatus  
A process for settling suspended particles in a liquid medium comprises supplying a stream of liquor for clarification to a settlement vessel, taking off an overflow of substantially clear liquor...
4031007 Slop oil treating system  
A conductive interface forms between the oil and water layers in a coalescer apparatus for treating slop oil. The presence of this interface is detected by (a) a capacitance probe and (b)...
4017190 Blood leak detector comparing intensities of high absorption band and low absorption band of a single beam of light passing through a sample  
A system for detecting small amounts of hemoglobin in a solution detects the ratio between the light transmissivities at separated wavelengths of a sample solution, one of which wavelengths is in a...
3992301 Automatic flushing system for membrane separation machines such as reverse osmosis machines  
An automatic flushing and cleaning system for membrane separation machines such as reverse osmosis machines having plural modules or membranes. Cleaning may be by way of reducing the pressure to...
3990973 Apparatus for measuring ultrafiltration rate  
A system is disclosed for measuring the ultrafiltration rate in an artificial kidney. The system comprises a flow rate meter connected with the outlet of the dialyzer, means for placing the flow...
3990066 Water quality monitor  
An apparatus for monitoring the performance of a reverse osmosis water purification system. The resistivity of the water, and hence its dissolved ionic material concentration, is measured at both...
3989625 Detector for air in blood dialysis systems  
A sensor system for detecting the absence of substantially air-free blood in a blood chamber of an artificial kidney dialysis system. The system includes a first and a second radiation source and...
3983031 Methods and apparatus for controlling the supply of a feed gas to dissolution devices  
The supply of a gas to be dissolved in a liquid is controlled by initially sensing the concentration of dissolved gas in the liquid under treatment and subsequently producing appropriate control...
3979290 Apparatus and process for controlling and regulating the freedom of suspended matter  
There is provided an apparatus for automatically controlling and regulating the freedom from suspended matter of quiescent reservoir overflow liquid in mechanical separatory processes for...
3969243 Moving bed ion-exchange apparatus and operating method thereof  
A method of and an apparatus for the moving-bed ion-exchange treatment of a salt-containing solution, especially for the treatment of the effluence of a fertilizer plant. The ion-contaminated...
3966603 Oil-in-water monitor  
An oil-in-water monitor for monitoring the effluent of an oil-water separator. A pressure vessel coalesces oil from the effluent and gathers the oil in a collection section which is automatically...
3966602 Process and apparatus for reclaiming and regenerating spent solvent  
The invention is directed to process and apparatus for automatically restoring to usefulness spent cleaning and/or drying liquids comprising an aqueous phase and an oil phase, the latter comprising...
3964999 Determination of sodium form water softener breakthrough  
Detection of exhaustion of sodium form water softeners is accomplished by subjecting sample of the outflow from a water softener to reverse osmosis in order to separate monovalent (sodium) and...
3957197 Centrifuge apparatus  
A method and apparatus for operating a continuous flow blood separation centrifuge are provided. The hematocrit of the entrant whole blood is continuously maintained at an optimum constant value by...
3951795 Process and apparatus for treating fatty waste water  
A system for cleanup of waste waters of the type characteristically produced in food-processing operations. Such waste waters typically contain significant amounts of fat and grease materials of...
3937662 Marine discharge control apparatus and method for treating fluids on a marine vessel  
A method and apparatus for treating fluids on a marine vessel, especially bilge and ballast water, in which the fluid to be treated is passed through filtering and coalescing devices to bring about...
3935092 Purification of a chloride solution  
A process and apparatus for purification of a sodium chloride solution dialysis liquid in which the liquid is subjected to an electrolysis.
3929636 Process for conditioning effluent contaminated by aldehyde compounds  
A process for the treatment of industrial effluent containing toxic impurities wherein aldehydes are oxidized by a peroxy compound containing for example, the anion SO 5 - - in the form of...
3928199 Gas absorption system and method  
A gas absorption system for adding oxygen to a liquid phase flowing in the system. The liquid phase is subjected to fall through an enclosed gravitational fall zone, which zone is proportioned in...
3920550 Process and equipment for automatic chemical-biological wastewater treatment with provisions for recycle and reuse  
A wastewater disposal system, wherein, wastewater from producing sources is deposited in a holding tank after passing through a grinding device until a predetermined level has been reached, at...
3900396 Blood leak detector  
A blood leak detector for use with artificial kidney machines. A transparent conduit through which dialysate circulates extends through a block. The block contains a lamp whose light passes through...
3898637 Detection means for gas entering human blood system from extra-corporeal tubing  
Apparatus for detecting the flow of gas through tubing which is suited for use during medical procedures in which liquids are pumped into the blood system of a patient. The gas or bubble detector...
3882020 Concentrate diluter for preparing dialysis liquid in artificial kidneys  
Concentrate dilutor for preparing dialysis liquid in artificial kidneys comprising flexible ducts for feeding the concentrate and degassed and heated water to a mixing connector. Peristaltic...
3878095 Dialysis apparatus  
A hemo dialysis apparatus adapted to establish a heat tempered de-aerated dialysate solution from supplies of water and dialysate concentrate and to controllably conduct the solution through a...
3872003 HIGH-OXYGEN TREATMENT OF WASTE WITH SELECTIVE OXYGEN RECIRCULATION  
Gas higher in oxygen content than is air is used efficiently for the treatment of waste liquid by selectively repumping and reintroducing gas which bubbles up from the surface of the contents of an...
3869382 Method and apparatus for determining exhaustion of a mass of ion exchange material and a device using the same  
Equipment and process for treating water with a bed of ion exchange material in which exhaustion of the bed is determined by measuring an internally generated potential which markedly changes as...
3856676 WATER PURIFICATION AND VENDING APPARATUS  
Apparatus for purifying water taken from a well, municipal water system or other source including solids removal and then pressure filtration providing treated water and rejected water. A closed...
3847809 PROPORTIONING SYSTEM  
A proportioning device and method for mixing two fluids in predetermined proportions. A portion of one fluid flowing through a first flow path is discharged into a second fluid flowing at different...
3844940 SYSTEM FOR MEASURING ULTRAFILTRATION RATE  
A system for measuring the rate of ultrafiltration through a semipermeable membrane of a first fluid flowing across one surface of said membrane at a first pressure into a conductive second fluid...
3841483 WATER PURIFICATION SYSTEM  
A high capacity, flow-through water purification system is described. The system includes one or more chamber units which may be used individually, or arranged in parallel, depending on the volume...
3838774 APPARATUS FOR MONITORING WATER PURIFICATION SYSTEM  
An apparatus for precisely monitoring the effectiveness of a reverse osmosis water purification system is disclosed which continuously measures and compares the electrical conductivities of the...
3834128 LIQUID CLARIFYING APPARATUS FOR REMOVING PARTICLES FROM A GAS STREAM  
Apparatus for treating a scrubbing liquid to remove coagulants and suspended particulate matter before reuse or discharge of liquid where the suspended particles are caused to flocculate onto the...
3834529 DEVICE AND METHOD OF DENSITY MEASUREMENT AND CONTROL OF FLOTATION SYSTEMS  
Two open-end tubes are vertically immersed, open-end down at substantially the same level, one near the place of entrance of a liquid in process in a series of treating vessels and the other near...
3831754 FLUID TREATING APPARATUS  
A fluid treating apparatus having a treating cartridge of an active treating material, such as an ion exchange material, which undergoes dimension change upon reduction of its treating capacity as...
3832067 COLORIMETER FOR DETECTING BLOOD LEAKS IN AN ARTIFICIAL KIDNEY MACHINE  
A colorimeter is provided that senses the presence of a contaminant opaque to light of a specific color which is carried in a fluid flowstream. As the flowstream passes through the colorimeter, a...
3814249 DIALYSIS APPARATUS  
A dialysis apparatus comprising an elongate flow passage with inlet and outlet ends; valve controlled re-circulating pump means at the outlet end of and establishing a minus pressure in the passage...
3812966 SETTLING RATE TESTER  
The settling rate of particulate matter in a fluid is determined by passing a mixture of the fluid and the particulate matter through an inclined tube at a known flow rate within the laminar flow...
3809243 TURBIDITY MONITOR FOR DIALYSIS MACHINES  
An improved turbidity monitor for a dialysis machine. The amount of turbidity, or impurity, of dialytic fluid is continuously monitored by a measuring photocell which receives light transmitted...
3805481 APPARATUS FOR AND PROCESS OF TREATING LIQUIDS WITH A GAS  
A gas-liquid mixing system for effecting selective bacterial reduction, generalized disinfection, sterilization or other gas treatment of the liquid. The system utilizes essential gravitational...
3802562 DISTRIBUTOR OF DIALYZING SOLUTION  
A distributor of dialyzing solution comprising a feed tank connected with the inlets of the dialyzers through an analyzer of solution transparency and a vacuum pump connected with the dialyzer...
3774763 WATER PURIFICATION SYSTEM  
A high quality water purification system for providing water for use under near aseptic conditions such as in hemodialysis including an arrangement whereby water is purified by passing it...
3774762 ANALOGUE FLUID FLOW PROGRAMMING STRUCTURES  
A semi-automatic device for peroforming complex fluid processing procedures adapted to hemodialysis. The structure includes a disposable component formed by layers of transparent, flexible plastic...
3773222 DOSING INSTALLATION  
A dosing system for continuously dosing and dispensing the respective quantities of auxiliary filtering substances to be added in connection with a settling filtration to a cloudy liquid,...
Matches 151 - 200 out of 288 < 1 2 3 4 5 6 >