| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 210137000 |
Maintaining stream pressure or flow
| 66 |
| 210130000 |
Fluid pressure responsive by-pass
| 56 |
| 210109000 |
Discharge of treated material
| 31 |
| 210136000 |
Check valve
| 29 |
| 210121000 |
Float
| 28 |
| 210106000 |
Filter cleaning
| 23 |
| 210103000 |
Diverse sensing means
| 16 |
| 210120000 |
Vent control
| 14 |
| 210101000 |
Proportionate feed means
| 10 |
| 210098000 |
Fluid current controlled cyclic system
| 9 |
| 210102000 |
Programming plural units | 4 |
| 20110220561 | SEAWATER DESALINATION SYSTEM - According to one embodiment, a seawater desalination system includes a membrane filtering pump, a first to third flowmeter, a filtering membrane, a high-pressure pump, a pressure gauge, a reverse osmosis membrane, a discharge valve and a control module. The membrane filtering pump outputs seawater according to a first control signal. The first flowmeter measures flow rate Q | 09-15-2011 |
| 20100193416 | Non-biological removal and recovery of nutrients from waste - An integrated process that includes liquid-solids separation and filtration system that treats swine or dairy feeding operations residual waste (manure flushwaters) for recovery of solid and dissolved nutrients for reuse and recycling of water from these wastes for a variety of uses. The system includes a coarse liquid/solids system to remove coarse material and multi stage, multimedia filter system that includes a set of modules. Each module includes screen assemblies and filter media sandwiched between the screen assemblies. A plurality of control assemblies is associated with each of the modules. The control assemblies include at least one external valve and are in fluid communication with a corresponding module to control flow through the corresponding module. The control assemblies selectively control fluid in each of the modules between at least one of: a forward flow through the screen assemblies to treat an influent flow, a bypass flow to bypass at least one of the modules, and a reverse flow provided through at least one of the modules. | 08-05-2010 |
| 20100243544 | SEWAGE TREATMENT APPARATUS AND SEWAGE REUSE SYSTEM - The present patent aims to control a water storing quantity of reuse water which is stored by a sewage treatment apparatus of a satellite treatment plant. The sewage treatment apparatus of the present invention comprises: a membrane separation active-sludge treating section which performs a biological treatment on a part of sewage, which is introduced by a water introducing section while flowing through a sewer trunk line, to generate first treated sewage; a membrane highly treating section which performs a membrane high treatment on said first treated sewage to generate second treated sewage; a membrane treating tank which stores said first treated sewage; a membrane highly treating tank which stores said second treated sewage; water level sensors which respectively measure water level of said membrane treating tank and said membrane highly treating tank; and a power-control section which controls water introducing quantity of said water introducing section on the basis of the water level data measured by said water level sensors. | 09-30-2010 |
| 20120080364 | WATER PROVISIONING SYSTEM FOR KITCHEN - The water provisioning system mainly contains a selection switch, a water volume switch, a human-machine interface (HMI), a RO waste water recycling device, an electromagnetic valve, a RO water purification device, an antichlor device, a aeration pipe assembly, a first ozone module, and a second ozone module. The selection switch selects a type of water to use. The RO water purification device filters water from a low-temperature water source, stores purified water in a storage barrel, and provides high-quality drinking water. The 70% water from the RO water purification process that fails the drinking water standard is recycled through the RO waste water recycling device. The low-temperature water source is connected to a antichlor device and the water is therefore dechlorinated. The first and second ozone modules are used to produce ozonated water and to release ozone through the aeration pipe assembly into the kitchen cabinet for deodorization and sterilization. | 04-05-2012 |
| 210134000 |
Plural elements controlled | 3 |
| 20090218264 | Sewer System - In one aspect of the present invention, a system for the transportation of liquid and solid waste incorporated into a floor of a building has a generally horizontal pipe with a first and second end. A motor is disposed at the first end and an auger is disposed in and along at least a portion of a length of the pipe and is in communication with the motor. The auger is adapted to the transport of liquid and solid waste along the at least a portion of the length of the pipe. | 09-03-2009 |
| 20110168614 | DEVICE AND PROCEDURE FOR EXTRACORPOREAL BLOOD TREATMENT - An extracorporeal blood treatment device including a filter having a primary and a secondary chamber separated by a semi-permeable membrane, a withdrawal line connected to the primary chamber and associated to a first pump, a return line at the outlet of the primary chamber, a first pre-infusion line ( | 07-14-2011 |
| 20110147285 | REVERSE-OSMOSIS WATER DESALINATION PLANT - The invention relates to a reverse-osmosis water desalination plant comprising: a reverse-osmosis membrane unit (TP); at least one high-pressure pump (HP); a pressure-exchange-type energy collector (SRE) capable of transferring pressure from the concentrate leaving the membrane unit to a portion of the water to be treated; sensors for various operating parameters, in particular pressure, flow rate, temperature and salinity level, said sensors being provided at suitable locations; and control loops so that the various adjustable elements are maintained at a setpoint value. The plant also includes a secondary control system (D) comprising calculation means ( | 06-23-2011 |
| 210100000 |
Flow cut-off requiring reset | 2 |
| 20090039002 | LIQUID DROPLET EJECTING APPARATUS - A liquid droplet ejecting apparatus comprises a liquid cartridge including a first unit having a liquid storing chamber and a liquid outlet, a second unit movable relative to the first unit between a close position where the second unit is close to the first unit and a distant position where the second unit is distant from the first unit; and a biasing member which applies a force to cause the second unit in the close position to move toward the distant position. The locking device is configured to lock the second unit in the close position in a state where the liquid cartridge is mounted to the cartridge mounting portion. When the second unit moves from the close position to the distant position under the force applied from the biasing member, in an unlocking state, the liquid inlet and the liquid outlet are maintained to be coupled to each other. | 02-12-2009 |
| 20090230034 | FILTER CARTRIDGE - A filter cartridge includes a fuse element ( | 09-17-2009 |
| 210099000 |
Prefilt deverting to drain by prefilt accumulation | 1 |
| 20100065480 | AUTOMATIC OIL-WATER SEPARATION AND RECOVERY SYSTEM USED ON SHIPS - An automatic oil-water separation and recovery device, which comprises a cylindrical tank, on the top of which exists an oil collector. The tank has an inflow pipe that links to a pre-separation regulating water distributor therein. The said water distributor is in the shape of an obconic bell mouth. At the lower part of the tank stands an outflow collector on which a bar-shaped oil-water separation unit is secured. The said outflow collector has an outlet. The said oil-water separation unit is made from stainless steel or plastic antipriming pipe firstly wrapped with unwoven cloth, and then taped with wires and outside the wires further wrapped with nonwoven cloth. All the cloth and wires are made of the same highly hydrophilic, oil-resistant material. The automatic oil-water separation and recovery devices described in this invention can be assembled together for separating and recovering ship-generated oily water. The assembled system works very well even though the oil content in the oily water fluctuates significantly. The average oil content in the treated water is about or lower than 5.0 m/L. | 03-18-2010 |
| Entries |
| Document | Title | Date |
|---|
| 20110192772 | Device for Filtering the Liquid Processing Medium Used in Shaping Operations Performed by Cutting - A device for filtering a liquid processing medium used in cutting has an intake and first filter cells with inlet, filter element, and outlet. The filter elements can be back-flushed. A disposal container as well as a suction conveying device are provided. For filtering, the intake is connected by first valves with first filter cell inlets and first filter cell outlets are connected to a discharge. For back-flushing, inlets of the first filter cells are connected through the first or a further valve to the disposal container. A second filter cell with filter element for contaminated processing medium of the disposal container is disposed above or inside the disposal container. The second filter cell, for filtering, is connected by the suction conveying device to the discharge. A cleaning device for the second filter cell is provided so that waste products removed during cleaning pass directly into the disposal container. | 08-11-2011 |
| 20100044287 | HYDRO CYCLONE DEVICE AND HYDRO CYCLONE INSTALLATION - A hydro cyclone device comprises a vertical separator tube (T) having an upper opening for the liquid supply and its upper front side (O) and an opening for the clear water drainage at its lower front side (U), at least a port (O) for concentrated suspension and the lower end of the separator tube (T) as well as a filter element (F) hydraulically connected to the clear water drainage and arranged centred in the separator tube (T). In the separator tube (T) between the upper opening (O) for the liquid supply and the filter element (F), a rotational element (R) is arranged axially centred with respect to the separator tube and rotationally supported which filter element is adapted to be driven an variable rotational speed. Hydro cyclone installation comprises a plurality of such hydro cyclone devices being hydraulically connected in parallel. | 02-25-2010 |
| 20090159514 | Reactor Comprising a Stack of Filter Plates - A reactor includes a tubular-shaped housing in which a stack of filter plates can be rotationally arranged. The cross-sectional area of the reactor container is, in the region of the stack of filter plates, a maximum of 40% greater than the cross-sectional area of the stack of filter plates. The longitudinal extension of the reactor housing is a multiple of the longitudinal extension of the stack of filter plates, such that inside the reactor, adjacent to the stack of filter plates, additional processing devices can be arranged. The rotating stack of filter plates ensures that the entire reactor is cross-flown in an intensive manner. | 06-25-2009 |
| 20130026084 | SENSOR SYSTEM FOR DETECTING THE FILL LEVEL OF A FLUID IN A VESSEL - The invention relates to a sensor system | 01-31-2013 |
| 20120217190 | Pulsed Induction System for Fluids to a Combustion Chamber - An apparatus for magnetic pre-treating of a first or second flow of fluid ( | 08-30-2012 |
| 20120222994 | FLUID FLOW MANAGEMENT SYSTEM AND ASSOCIATED METHODS - A system is provided to control fluid flow in a wastewater treatment system. The wastewater treatment system may include a wastewater treatment plant and a main that connects a plurality of pump stations to the wastewater treatment plant. Each of the plurality of pump stations may include a wet well and a pump carried by the wet well to pump the wastewater. The system may include a central server and a sensor in communication with the central server to sense a level of wastewater within the wet well. The pump may be moved to an on position when the level of the wastewater in the wet well is at or above a first level. The level of wastewater within the wet well may be systematically manipulated responsive to the central server to control the fluid flow in the wastewater treatment system. The system advantageously enhances fluid management in a wastewater treatment system, increases life span of the wastewater treatment plant, and saves energy associated with running pumps at the pump stations of the wastewater treatment system. | 09-06-2012 |
| 20090008308 | Process and equipment for treating ammonium containing liquid - The process for treating an ammonium containing liquid by denitrification treatment of an ammonium containing liquid containing at least ammonium comprises carrying out nitrate reduction treatment of reducing nitrate contained in or added to the ammonium containing liquid to nitrite, and carrying out anaerobic ammonium oxidation treatment of simultaneously anaerobically denitrifying nitrite produced in the nitrate reduction treatment and ammonium contained in the ammonium containing liquid by anaerobic ammonium oxidizing bacteria. | 01-08-2009 |
| 20130118961 | Dialysis Systems and Related Methods - A dialysis machine that includes a valve member having a deformable area configured to deform outwardly away when pressurized fluid is introduced into the valve member. The valve member is configured so that, when a dialysis fluid cassette is disposed in a cassette compartment of the dialysis machine and pressurized fluid is introduced into the valve member, the deformable area obstructs a fluid channel of the dialysis fluid cassette to control dialysis fluid flow therethrough. | 05-16-2013 |
| 20090314696 | ADAPTIVE MEMBRANE STRUCTURE - An adaptive membrane structure is provided. The adaptive membrane structure has movable membranes that can be made to change its gas, liquid or particulate permeability in response to surrounding environmental conditions. Such adaptive membrane structures can be used to provide protective apparel that is comfortable to wear wherein the level of protection provided is based on conditions in the environment. The adaptive membrane structures can be used to provide protective enclosures. | 12-24-2009 |
| 20120024767 | Strainer for a Bilge Pump - A straining device for a drainage pump, the straining device comprising a body defining an inner chamber; at least one straining element by which liquid may enter the chamber; and at least one outlet by which liquid may leave the chamber. The straining device further includes a liquid level sensor arranged to detect the level of a liquid in which said straining device is located during use and, upon determining that said liquid level exceeds a threshold, to cause an activation signal to be sent to said pump. The liquid level sensor comprises non-contact sensing means such as an electric field sensor. The sensor is located at the top of the straining device and arranged to project its sensing field upwardly. | 02-02-2012 |
| 20110132819 | Delivery System for the Removal of Contaminants in Lubricating and Hydraulic Fluids - A delivery system for removing contaminants from lubricating and hydraulic fluids. The delivery system can include a reusable sleeve and a first end cap and a second end cap coupled to the reusable sleeve. The delivery system can also include a disposable absorbent cartridge containing absorbent material capable of removing contaminants from lubricating and hydraulic fluids. The disposable absorbent cartridge can be removeably positioned inside the reusable sleeve between the first end cap and the second end cap. The disposable absorbent cartridge can be constructed of a material permeable to the lubricating and hydraulic fluids. | 06-09-2011 |
| 20090184035 | Chlorinator system for gravity-fed wastewater treatment systems - A chlorinator for wastewater treatment systems having a clarifier tank connected by a fluid line to a pump tank, which includes a reservoir of disinfectant fluid and a dosage container communicating with the reservoir, and a siphon communicating with the fluid line and dosage contain to dispense a determined quantity of disinfectant to the pump tank after flow through the fluid line has dropped below the flow rate of a drain in the siphon. The dosage container is vented to atmosphere to prevent vacuum lock in operation and communicates with the reservoir at a flow rate substantially smaller than it communicates with the siphon. Flow through the fluid line induces priming of a siphon for subsequent distribution of the quantity of disinfectant fluid into the pump tank after flow through the fluid line has dropped below the flow rate of a drain in the siphon, at which time disinfectant is drawn from the dosage container. As the dosage container outgoing flow rate far exceeds the dosage container incoming flow rate, once the disinfectant level drops below the point of communication between the dosage container and the pump tank, no further disinfectant is drawn into the pump tank. A near-uniform volume of disinfectant fluid is thereby supplied. | 07-23-2009 |
| 20100200476 | WASTEWATER TREATMENT APPARATUS - A wastewater treatment apparatus is provided with a wastewater tank for storing wastewater to be treated; a combustion pot for heating the wastewater supplied from the wastewater tank; a dust collector for collecting any dust generated in the combustion pot; a chiller for cooling the steam generated in the combustion pot; a gas-liquid separator for separating the steam cooled by the chiller into a liquid and a gas; and a liquid purifier for purifying the liquid separated from the gas by the gas-liquid separator. The liquid purifier generates ozone using a platinum catalyst and purifies the liquid with the ozone. | 08-12-2010 |
| 20090211954 | Apparatus For Denitrifying Wastewater - Disclosed is an apparatus for denitrifying a solution that includes a denitrification tank configured to receive a portion of the solution for a period of time. Controlling an amount, duration and frequency of introduction of polyethylene glycol into the solution promotes indigenous heterotrophic bacteria depleting dissolved oxygen in the solution and obtaining oxygen from nitrate in the solution. | 08-27-2009 |
| 20120132574 | FLOW BALANCING AND SYNCHRONIZATION SYSTEM - A renal failure therapy system includes a blood circuit with a blood pump and a drug delivery pump. A control unit is operable with the blood pump and the drug delivery pump to control the drug delivery pump based upon the status of the blood pump. | 05-31-2012 |
| 20100133154 | Apparatus, System and Method for Remediation of Contamination - An apparatus, system and method for removing and treating contaminated materials on a bottom of a body of water and introducing growth packets to revitalize the treated bottom of the body of water. The structure may comprise a vessel with an open face. The vessel may be lowered down to the bottom of the body of water with the face facing down. As a result, the vessel and the bottom form an isolated space. The structure may comprise at least one agitating device(s) for stirring up the materials inside the vessel so as to form a mixture containing the sediment materials which in turn contain the contaminants. Multiple at least one pipe(s) may be coupled to the vessel for transporting the mixture out of the vessel for processing (filtering, treating with chemicals, etc.) so as to neutralize or eliminate the contaminants in the mixture. Then, the treated mixture can be returned to the inside of the vessel via the at least one pipe(s). | 06-03-2010 |
| 20080217221 | Combination Liquid Chlorinator and Bio Stimulated Fertilizer Feeder with Improved Media Release - A dispensing device for dispensing media and disinfectant includes a media housing, a disinfectant housing, a media input port formed on the media housing for accepting media fluid, a disinfectant input port formed on the disinfected housing for accepting disinfectant fluid, a disinfectant mixer for mixing the media fluid and the disinfectant fluid, and a float valve for the disinfectant mixer to dispense the mixed media fluid and disinfectant fluid. The media valve is controlled by a media regulator, and the media housing includes a media drain valve. The media housing includes a top section and a bottom section which is detachable connected to the top section, and the disinfectant housing includes a upper section and a lower section which is detachably connected to the upper section. The disinfectant housing includes a control valve for controlling the disinfectant fluid, and the disinfectant housing includes a disinfectant regulator to control the disinfectant control valve. | 09-11-2008 |
| 20080217220 | Combination Liquid Chlorinator and Bio Stimulated Fertilizer Feeder - A dispensing device for dispensing media and disinfectant includes a media housing, a disinfectant housing, a media input port formed on the media housing for accepting media fluid, a disinfectant input port formed on the disinfected housing for accepting disinfectant fluid, a disinfectant mixer for mixing the media fluid and the disinfectant fluid, and a float valve for the disinfectant mixer to dispense the mixed media fluid and disinfectant fluid. The media valve is controlled by a media regulator, and the media housing includes a media drain valve. The media housing includes a top section and a bottom section which is detachable connected to the top section, and the disinfectant housing includes a upper section and a lower section which is detachably connected to the upper section. The disinfectant housing includes a control valve for controlling the disinfectant fluid, and the disinfectant housing includes a disinfectant regulator to control the disinfectant control valve. | 09-11-2008 |
| 20120205299 | DEVICE FOR SUBJECTING A LIQUID TO A PURIFYING PROCESS | 08-16-2012 |
| 20120305459 | WATER PRODUCING SYSTEM - A water producing system is provided that produces fresh water by treating treatment target water A at a first semipermeable membrane treatment plant, that mixes concentrate resulted by the treatment carried out at the first semipermeable membrane treatment plant with treatment target water B, and that treats the mixed water at a second semipermeable membrane treatment plant to produce fresh water. A bypass line allows the treatment target water A to be mixed with the treatment target water B or the concentrate while bypassing the first semipermeable membrane treatment plant, so that the second semipermeable membrane treatment plant can operate even when any trouble occurs at the first semipermeable membrane treatment plant and treatment cannot be carried out thereby. | 12-06-2012 |
| 20110315612 | DESALINATION APPARATUS AND METHOD OF CLEANING THE SAME - A desalination apparatus according to the present invention includes: a pretreatment device having a pretreatment membrane that filters a turbid content contained in raw water; a reverse osmosis membrane device having a reverse osmosis membrane that reduces a salt content contained in filtrate water supplied from the pretreatment device to produce permeated water; a first control valve that is provided between a high-pressure pump mounted on a filtrate water line through which the filtrate water is supplied from the pretreatment device to the reverse osmosis membrane device and the reverse osmosis membrane device, and temporarily decreases a supply pressure of the filtrate water; and the control device that operates the first control valve to perform suck-back control by which a pressure at the entrance of the reverse osmosis membrane device is decreased in a pulse-like manner during operation. | 12-29-2011 |
| 20120055857 | Water Purifier - The present invention relates to a water purifier having a non-drinkable water inlet (I) and a drinkable water outlet (O | 03-08-2012 |
| 20100051522 | Wastewater Lagoon Aeration System - A novel, economical, efficient and versatile lagoon aeration system is provided which can be used with existing or new wastewater (sewage) lagoons to increase the lagoons treatment efficiency and capacity, and to allow for a continuous, year round discharge of treated wastewater to environment. The system can be operated in warm and cold climates for treatment of municipal and industrial wastewaters of varying strength and flow rates in a secondary activated sludge treatment process or in a tertiary activated sludge treatment process, or an extended aeration treatment process. The system employs patented (Patent No: U.S. Pat. No. 6,969,052 B2) Air Aspirator-Mixer (AAM) which provides highly efficient wastewater aeration outside the lagoon which facilitates an easy and economical operation and maintenance of the system throughout the year. | 03-04-2010 |
| 20100276347 | PORTABLE WATER PURIFICATION DEVICE - A gravity driven portable water purification device ( | 11-04-2010 |
| 20120187030 | Fluid Separator with Smart Surface - A separating system for separating a fluid mixture incorporates a smart surface having reversibly switchable properties. A voltage is selectively applied to the smart surface to attract or repel constituents of a fluid mixture, such as oil and water produced from a hydrocarbon well. The smart surface can be used in a conditioner to increase droplet size prior to entering a conventional separator, or the smart surface and other elements of the invention can be incorporated into an otherwise conventional separator to enhance separation. In a related aspect, a concentration sensor incorporating smart surfaces senses concentration of the fluid mixture's constituents. | 07-26-2012 |
| 20100314302 | Self Contained Dissolved Air Flotation System - A dissolved air flotation system and method for purifying fresh water. The system is self-contained within a standard shipping container, with all components disposed in-line within the shipping container. Float is removed from the flotation tank with a skimmer that drives float downstream onto a conveyor belt, and the conveyor belt conveys float away from the flotation tank, in the downstream direction, and deposits the float in a collection tank. Clean water may be drawn from the flotation tank continuously, while float may be removed periodically. | 12-16-2010 |
| 20110120921 | CIRCULATION TYPE WATER PURIFIER - There is provided a circulation type water purifier which maximally prevents production of bacteria and microbes by periodically circulating water in the water purifier, and improves lifetime and power saving of a pump by varying the number of circulation times depending on an amount of water used. The circulation type water purifier includes a clean water filter; a storage tank in which water purified through the clean water filter is stored; a cold/hot water supply tank cooling and heating the water supplied from the storage tank to drain the cooled and heated water to respective drain outlets; a drain pipe | 05-26-2011 |
| 20120261316 | Device For Conveying a Fluid to a Filter Unit of a Medical Treatment Apparatus and Method for Measuring the Pressure in the Fluid System of Such an Apparatus - The invention relates to a device for conveying a fluid to a filter unit of a medical treatment apparatus, in particular for conveying a dialysing fluid to a filter unit, in particular a blood treatment unit of an extracorporeal blood treatment apparatus, in which device includes one or more means for measuring pressure in the fluid system. Moreover, the invention relates to a method for measuring the pressure in the fluid system of such a supply device. | 10-18-2012 |
| 20120234739 | WATER PURIFICATION SYSTEM - The inventions relate to means for purifying water, primarily drinking water, and can be used in domestic water purification systems. The claimed filtered water storage unit for the storage device of a water purification system comprises a housing, an elastic chamber disposed therein for filtered water, and a region for pressurizing untreated water, which is defined between the wall of the chamber and the wall of the housing. The elastic chamber is made of a modified biaxially oriented thermoplastic elastomer and consists of a chamber body and neck, formed as a single piece, the neck being rigidly secured in the housing. The water purification system comprises a reverse osmosis membrane, a clean water discharge pipe, an overflow into a drain, a clean water tap, and a storage device comprising a filtered water storage unit and a hydro-automatic unit. In a first embodiment of a system with a storage device, the outlet of the controlled chamber of a valve for controlling pressurization of the water is associated with the water pressurizing region in the housing of the water storage unit, and the input of the controlling chamber of a valve for controlling drainage is associated with the clean water discharge pipe upstream of the tap, wherein the valve for controlling pressurization of the water is normally open and the valve for controlling drainage is normally closed. The claimed water purification system is highly reliable and provides a high quality of purified water. | 09-20-2012 |
| 20120091046 | WATER RESERVOIR WITH A WATER PURIFICATION FUNCTION - A water reservoir includes a water storage unit having an external water pipe connected to an external water source and one or a number of internal water pipes suspending therein, airstones wrapped about each internal water pipe corresponding to jet holes of each internal water pipe, and an ozone generator installed in between the external water pipe and the internal water pipes for generating ozone into water passing through the external water pipe and the internal water pipes into the inside of the water storage unit. | 04-19-2012 |
