Level Sensing Patents (Class 210/744)
  • Patent number: 10266441
    Abstract: A water treatment apparatus capable of sterilizing a storage tank and a sterilizing and cleansing method thereof are disclosed. The water treatment apparatus includes: a filter unit purifying raw water; a storage tank connected to the filter unit and storing purified water which has been filtered through the filter unit; an electrolytic sterilizer installed between the filter unit and the storage tank, electrolyzing only purified water which has been filtered through at least a portion of the filter unit to generate sterilization water, and supplying the sterilization water to the storage tank; a drain unit connected to the storage tank and discharging water accommodated in the storage tank; and a control unit controlling a water purification mode of the filter unit and a sterilization mode through the electrolytic sterilizer and the drain unit.
    Type: Grant
    Filed: May 19, 2011
    Date of Patent: April 23, 2019
    Assignee: Coway Co., Ltd
    Inventors: Soo-Young Lee, Jung-Gyu Jang, Ui-Son Hwang, Claude Kwon, Jung-Hwan Lee, Chul-Ho Kim, Min-Suk Chang, In-Gyue Choi
  • Patent number: 10117987
    Abstract: In the removal of white blood cells from blood, the efficiency of white blood cell removal by a filter is improved. Centrifugal force is applied to blood placed in a blood bag by centrifugal separation to form a plurality of separation layers having a concentration gradient of white blood cells. The separation layers are passed through a filter in ascending order of white blood cell concentration to remove the white blood cells from the separation layers. The separation layers from which the white blood cells have been removed are received in a first blood component bag.
    Type: Grant
    Filed: July 27, 2015
    Date of Patent: November 6, 2018
    Inventors: Shuichiro Inadome, Nobukazu Shimada, Tomohisa Yokomizo
  • Patent number: 9962478
    Abstract: Systems and methods for performing a therapeutic red blood cell exchange procedure are disclosed. In one aspect, a system includes a first flow path for flowing whole blood from a patient. A separator communicates with the first flow path for separating at least red blood cells from plasma. Second and third flow paths communicate with the separator for respectively flowing the separated plasma and red blood cells from the separator. A flow controller is associated with the flow paths to control fluid communication between the flow paths. The controller is configured to perform the procedure to achieve a target fraction of patient cells remaining, target hematocrit, and a target patient fluid volume change at the completion of the procedure based on data input by the operator.
    Type: Grant
    Filed: June 16, 2016
    Date of Patent: May 8, 2018
    Assignee: Fenwal, Inc.
    Inventors: Daniel R. Boggs, Kyungyoon Min, Lan T. Nguyen, John T. Foley, Brian C. Case
  • Patent number: 9844473
    Abstract: An apparatus for cleansing wounds in which irrigant fluid from a reservoir connected to a conformable wound dressing and wound exudate from the dressing are recirculated by a device for moving fluid through a flow path which passes through the dressing and a means for fluid cleansing and back to the dressing. The cleansing means (which may be a single-phase, e.g. microfiltration, system or a two-phase, e.g. dialytic system) removes materials deleterious to wound healing, and the cleansed fluid, still containing materials that are beneficial in promoting wound healing, is returned to the wound bed. The dressing and a method of treatment using the apparatus.
    Type: Grant
    Filed: December 29, 2014
    Date of Patent: December 19, 2017
    Assignee: Smith & Nephew PLC
    Inventors: Patrick Lewis Blott, Bryan Greener, Edward Yerbury Hartwell, Tina Michelle Walker, Derek Nicolini, Julian Lee-Webb
  • Patent number: 9834451
    Abstract: Implementations of this disclosure are directed to systems, devices and methods for monitoring parameters associated with a body of liquid. In one embodiment, a device includes a container configured to be partially submerged in a liquid and includes sensors disposed within a submerged portion of the container to measure parameters associated with the liquid. An electronic component disposed within an unsubmerged portion of the container transmits information related to the parameters based upon which one or more actions related to treatment of the body of liquid are suggested.
    Type: Grant
    Filed: March 16, 2017
    Date of Patent: December 5, 2017
    Assignee: ConnectedYard, Inc.
    Inventors: Justin Miller, Mark Janes, Josh Kennedy, Scott Eklund
  • Patent number: 9663931
    Abstract: A marine sanitizing and deodorizing device comprises a reservoir for containing sanitizing fluid, a dose controllable pump for discharging a predetermined dose of sanitizing fluid from the reservoir into a water inlet conduit of a marine toilet system, a flow detector for detecting the flow of water within the water inlet conduit, and a controller for controlling the dose controllable pump upon flow detection by the in use flow detector.
    Type: Grant
    Filed: September 6, 2011
    Date of Patent: May 30, 2017
    Inventor: Derek Withrington
  • Patent number: 9661732
    Abstract: A plasma generation apparatus includes a flow path tube through which a liquid flows and which includes a concave portion and/or a convex portion on an internal wall surface thereof, a liquid feed device, a first electrode, a second electrode, a power source, and a control circuit which controls the liquid feed device and the power source. The concave portion and/or the convex portion causes, when the liquid flows therethrough, a pressure difference to be generated between at least part of the inside of the flow path tube and the external space, allowing a gas to be introduced into the liquid from the external space through a gas introduction path. The power source applies a predetermined voltage between the first electrode and the second electrode in a state in which a bubble containing the gas is generated in the liquid.
    Type: Grant
    Filed: October 14, 2015
    Date of Patent: May 23, 2017
    Inventor: Shin-Ichi Imai
  • Patent number: 9605417
    Abstract: A system for harvesting rainwater for use in a skirt building. The skirt building includes a main building and a podium supporting the main building. The system includes: a standpipe; a buffer channel; a filter channel; and a green roof. The green roof includes a vegetation region including a baffled diversion corridor, and a bottom filtering layer including a drainage pipe. The standpipe is arranged on the main building and is connected to the buffer channel where the energy of rainwater flowing out of the standpipe is dissipated. The buffer channel, the filter channel, and the green roof are arranged on the podium, and the buffer channel communicates with the filter channel. The filter channel is connected to the green roof. The filter channel is divided into a plurality of sections respectively filled with different matrix materials.
    Type: Grant
    Filed: November 27, 2013
    Date of Patent: March 28, 2017
    Assignees: CHONGQING UNIVERSITY, Promotion Centre of Science and Technology Development, Ministry of Housing and Urban-Rural Development of the People's Republic of China
    Inventors: Hongxiang Chai, Feng Zhang, Weijie Wang, Yanrong Bao, Luwei Guo, Shen Li, Hua Zhao
  • Patent number: 9393359
    Abstract: Systems and methods for performing a therapeutic red blood cell exchange procedure are disclosed. In one aspect, a system includes a first flow path for flowing whole blood from a patient. A separator communicates with the first flow path for separating at least red blood cells from plasma. Second and third flow paths communicate with the separator for respectively flowing the separated plasma and red blood cells from the separator. A flow controller is associated with the flow paths to control fluid communication between the flow paths. The controller is configured to perform the procedure to achieve a target fraction of patient cells remaining, target hematocrit, and a target patient fluid volume change at the completion of the procedure based on data input by the operator.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: July 19, 2016
    Assignee: Fenwal, Inc.
    Inventors: Daniel R. Boggs, Kyungyoon Min, Lan T. Nguyen, John T. Foley, Brian Case
  • Patent number: 9302207
    Abstract: A process separates out and removes water present in liquid fuels. The fuel supplies an internal combustion engine by a fuel delivery pump (12). Water is separated out at a filter (5) having a collecting space (27) for collecting separated water and connected upstream of the suction side (11) of the fuel delivery pump (12). The pump suction action counteracts outflow of water from the collecting space (27). Depending on the amount of water collected, the pump suction action is negated, and an outlet valve at an outflow orifice (37) of the collecting space (27) is opened by a discharge (43, 53) producing a pressure gradient enabling the discharge of water from the collecting space (27) over a discharge period when the fuel delivery pump (12) is operating.
    Type: Grant
    Filed: March 31, 2007
    Date of Patent: April 5, 2016
    Inventors: Viktor Lauer, Martin Hager
  • Patent number: 9295924
    Abstract: Water decontamination systems including one or more of an aerator module, a separator tower, and a contamination gas treatment system are described herein. Such systems are capable of removing contaminants, including volatile organic compounds, from the water. Certain volatile organic contaminants can be removed at high efficiencies. The systems may be automated to remove the contaminants and produce cleaned water on a continuous basis.
    Type: Grant
    Filed: January 2, 2013
    Date of Patent: March 29, 2016
    Assignee: Liquid Separation Technologies and Equipment, LLC
    Inventor: David S. Drewelow
  • Patent number: 9005451
    Abstract: Method and device for treating a liquid effluent, in which this effluent enters a vessel. An intermediate level of liquid in the vessel is detected; an influx of a dilution liquid into the vessel is instigated; a high level of liquid in the vessel is detected; the influx of dilution liquid is stopped and a discharge of the fluid is instigated; a low level of liquid in the vessel is detected; the discharge of the liquid is stopped; and, while it is being discharged, the discharged liquid is exposed to light radiation in at least one treatment channel.
    Type: Grant
    Filed: November 7, 2008
    Date of Patent: April 14, 2015
    Assignee: Sud est Eau Pure
    Inventor: Alain Picard
  • Patent number: 8999170
    Abstract: A biological wastewater treatment system includes an equalization tank for sending a defined first portion of the wastewater to a submerged membrane filter. When the quantity of the received wastewater exceeds the defined first portion, a second portion of wastewater, formed from the wastewater that exceeds the defined first portion, is sent to a filtration process. The filtration process includes adding a flocculating agent to the second portion entering filtration, filtering the second portion, thereby producing retentive waste including flocculated material, and then sending the retentive waste to the submerged membrane filter.
    Type: Grant
    Filed: December 17, 2010
    Date of Patent: April 7, 2015
    Assignee: Ovivo Luxembourg S.å.r.l.
    Inventor: Dennis Livingston
  • Publication number: 20150090659
    Abstract: An upflow continuous backwash deep bed sand filter (UCBF) having a recycle line for returning carbonaceous denitrifying bacteria attached to biomass to the influent of the UCBF. The recycle line returns the biomass to the treatment process at a location upstream of the upflow continuous backwash filter. Further, a liquid level control unit is provided that reduces fluctuations and significant drop in the liquid level upstream of the upflow continuous backwash filter, thereby avoiding or minimizing flow turbulences, air induction, and undesirable wastewater aeration resulting in the need to dose excessive carbon source to remove dissolved oxygen in the aerated wastewater.
    Type: Application
    Filed: October 2, 2013
    Publication date: April 2, 2015
    Inventors: John H. Reid, Wade Tanner
  • Patent number: 8968580
    Abstract: A pumpbox apparatus includes a reservoir volume having a first inlet for receiving a feedstock stream and a second inlet for receiving a water stream, the reservoir volume being in communication with a discharge outlet disposed to discharge accumulated liquid from the reservoir volume. The reservoir volume is operable to accumulate the feedstock stream and the water stream in the reservoir volume while withdrawing a discharge stream through the discharge outlet to cause a flow of liquid through the pumpbox. The first inlet defines a first flow velocity region between the first inlet and the second inlet and a second flow velocity region between the second inlet and the discharge outlet. The first flow velocity is lower than the second flow velocity to facilitate flotation of a low specific gravity portion of the feedstock through the first region toward an upper surface of the liquid accumulated in the reservoir volume.
    Type: Grant
    Filed: December 15, 2010
    Date of Patent: March 3, 2015
    Assignee: Suncor Energy Inc.
    Inventors: Thomas Charles Hann, William Nicholas Garner
  • Patent number: 8926843
    Abstract: A disc filter is provided having a controller for controlling effluent surges that are produced by the disc filter. The method entails sensing one or more process variables that are a function of the effluent, and based at least in part on the sensed process variables, the disc filter controls the flow of effluent in order to control or minimize effluent surges.
    Type: Grant
    Filed: June 21, 2011
    Date of Patent: January 6, 2015
    Assignee: Veolia Water Solutions & Technologies Support
    Inventors: Michael Baker, Matt Stalter, Luke Wood, Mark Stewart
  • Patent number: 8920651
    Abstract: In some embodiments, a wastewater treatment system may reduce contaminants in water. A system may include one or more bioreactors which include a substrate that supports a biofilm. The bacteria used to form the biofilm may be selected to maximize the reduction of contaminants in water. Various components of the wastewater treatment system may be optimized to improve the efficiency and energy consumption of the wastewater system.
    Type: Grant
    Filed: November 8, 2012
    Date of Patent: December 30, 2014
    Assignee: Sam Houston University
    Inventor: Michael D. Rainone
  • Publication number: 20140339174
    Abstract: A method of monitoring a low water volume within of a water circulation system is disclosed that includes detecting an auxiliary measurement associated with an ancillary device fluidly coupled with a reservoir of water in a water circulation system and then determining whether the ancillary device is performing under a low water volume operation. The low water volume operation is based upon a comparison between at least the detected auxiliary measurement of the ancillary device and a condition associated with a performance of the ancillary device under the low water volume operation.
    Type: Application
    Filed: May 19, 2014
    Publication date: November 20, 2014
    Inventor: Eugene Bright
  • Patent number: 8889007
    Abstract: The present invention is a wastewater treatment system utilizing a recirculating filter system comprising sand, gravel, or synthetic media. Septic effluent is continuously, or approximately continuously, dosed under pressure to the treatment media through pressure compensating drip irrigation emitters. The system comprises a commonly known septic tank and recirculation tank. Septic tank effluent is collected in the recirculation tank, from which it is continually dosed by means of a pump to the top of the treatment media of the recirculating filter through pressure compensating drip emitters. Continuous dosing of diluted residential septic tank effluent through drip irrigation emitters provides a slow consistent application of liquid rich in organic material and pathogens over the treatment media. The treated effluent is then recirculated if water is low or went to final disposal.
    Type: Grant
    Filed: July 13, 2011
    Date of Patent: November 18, 2014
    Inventors: David Mark Lowe, Richard D. Eldredge
  • Patent number: 8889404
    Abstract: A method and apparatus for producing biogas from organic matter including a container (1) which is charged with fermentation substrate by a delivery system (13), and at least two stirring mechanisms (2) arranged in the container, the stirring mechanisms having propellers (3) which are rotated and generate mostly horizontal currents of the fermentation substrate in the container. The propeller diameters, the propeller geometries, and the positions of the propellers in the container are selected such that a shared mixing zone of the medium is generated in the container. Data for determining the mean speed and/or the viscosity of the medium in the mixing zone are detected and transmitted to a control unit (4) which varies actuating variables which modify the power input of the stirring mechanism into the mixing zone and/or the composition and/or the flow behavior of the container contents.
    Type: Grant
    Filed: October 1, 2012
    Date of Patent: November 18, 2014
    Assignee: KSB Aktiengesellschaft
    Inventors: Kai Rostalski, Peer Springer
  • Publication number: 20140326678
    Abstract: A method for filling and venting a device for extracorporeal blood treatment is disclosed, such as a patient module in a heart-lung machine, without attached patient. A filling liquid from a filling liquid container located higher than the device flows by gravity via a venous side of the system into a reservoir and flows onwards into a blood pump located at the lower end of the reservoir, wherein a first controllable valve (HC1) for a venting line of a filter is opened and, after the response of an upper filling level sensor in the reservoir, is closed. An upper level of the filter is positioned higher than the upper filling level sensor, and a start-stop motion of the blood pump is performed, as a result of which a stepped flooding of the filter is made providing for an advantageous de-airing of the device.
    Type: Application
    Filed: December 7, 2011
    Publication date: November 6, 2014
    Applicant: Zoll LifeBridge GmbH
    Inventors: Joachim Arzt, Gerhard Brieske
  • Patent number: 8865002
    Abstract: The present application is directed to a system and method for processing fluid captured from a vehicle surface to provide a desired fluid product. The system includes sensors and control circuitry to determine system fluid volume levels and/or the ambient temperature of the system to safeguard the system against non-requested activation or deactivation.
    Type: Grant
    Filed: October 14, 2010
    Date of Patent: October 21, 2014
    Assignee: Brimtech, LLC
    Inventors: James K Weigle, Ben A Hammock, II, Robert Tupper
  • Publication number: 20140305879
    Abstract: A method of supplying water using a natural water pipeline includes withdrawing impaired water from an impaired water body connected to a waterway and treating the impaired water from the impaired water body to produce treated water. The method also includes discharging the treated water into the waterway and conveying the treated water via the waterway to one or more locations proximate to one or more remote operational facilities that withdraws water from the waterway at the one or more locations. The method further includes receiving a monetary value from one or more operational entities operating the one or more remote operational facilities and providing at least a portion of one or more water access rights to the one or more operational entities in exchange for the monetary value.
    Type: Application
    Filed: April 16, 2014
    Publication date: October 16, 2014
    Applicant: Hydration Company of PA LLC
    Inventors: Brad J. Domitrovitsch, William A. Formica, III
  • Publication number: 20140284283
    Abstract: A method and an apparatus for treating a liquid containing impurities may include a filtering chamber configured to permit granular media to interact with liquid containing impurities, thereby removing impurities from the liquid to produce filtrate; a filtrate section for receiving the filtrate; a gas supplying system for delivering gas to the granular media in the filtering chamber for transport of a portion of the granular media to a granular media washer; a reject section in fluid communication with the granular media washer for receiving a reject mixture comprising liquid and impurities from the granular media washer; and a control unit that is configured to determine whether the portion of the granular media is being transported properly based on an amount of reject mixture in the reject section.
    Type: Application
    Filed: February 20, 2014
    Publication date: September 25, 2014
    Applicant: Parkson Corporation
    Inventors: Adrian STRENG, Brett H. Boyd
  • Patent number: 8828192
    Abstract: Embodiments of the invention are directed toward a novel pressurized vapor cycle for distilling liquids. In an embodiment of the invention, a liquid purification system is revealed, including the elements of an input for receiving untreated liquid, a vaporizer coupled to the input for transforming the liquid to vapor, a head chamber for collecting the vapor, a vapor pump with an internal drive shaft and an eccentric rotor with a rotatable housing for compressing vapor, a condenser in communication with the vapor pump for transforming the compressed vapor into a distilled product, and an electric motor with motor rotor and magnets hermetically sealed within the fluid pressure boundary of the distillation system.
    Type: Grant
    Filed: October 5, 2012
    Date of Patent: September 9, 2014
    Assignee: DEKA Products Limited Partnership
    Inventors: Jason A. Demers, Scott A. Leonard, Kingston Owens
  • Patent number: 8794449
    Abstract: A device and a method for operating a fuel filter (1) with a diaphragm (16) for cleaning water separated from the fuel, comprising a collecting chamber (9) for the water geodetically arranged at the bottom in a housing (2) of the fuel filter (1), are proposed, comprising at least one sensor (10, 11) each for the maximum (10) and for the minimum (11) water level in the collecting chamber (9), by means of which a valve (13) for discharging the water from the collecting chamber (9) arranged between the collecting chamber (9) and a water purification device (14) containing the diaphragm (16) is controllable.
    Type: Grant
    Filed: October 6, 2008
    Date of Patent: August 5, 2014
    Assignee: Mann+Hummel GmbH
    Inventors: Michael Micke, Holger Schwarz
  • Patent number: 8784668
    Abstract: In a regenerative dialysis system, in a method for controlling a regenerative dialysis system, and in a controller for a regenerative dialysis system, an embodiment of the system comprises an input pump that pumps fresh dialysate fluid into a dialyzer at an input rate. An output pump pumps used dialysate fluid from the dialyzer at an output rate. An ultrafiltration rate of the system is related to the output rate relative to the input rate. A sorbent cartridge filters the used dialysate fluid to generate the fresh dialysate fluid. A controller controls the ultrafiltration rate of the system in response to a flow rate of the dialysate fluid through the sorbent cartridge.
    Type: Grant
    Filed: October 12, 2010
    Date of Patent: July 22, 2014
    Assignee: Fresenius Medical Care Holdings, Inc.
    Inventor: Michael J Beiriger
  • Patent number: 8764975
    Abstract: The invention relates to a device and a method for the separation of solids from a biowaste slurry before heat treatment, and for heat treatment of the separated solids. The device comprises a chamber with a main inlet port for feeding slurry, and outlet ports. A unit for separating solids is adapted to an outlet port so, that liquid leaving the chamber has passed through the separation unit. A second outlet port is provided directly from the chamber to allow removal, following sterilization, of solids collected in the chamber. The sterilization is secured by temperature monitoring at representative locations.
    Type: Grant
    Filed: April 11, 2012
    Date of Patent: July 1, 2014
    Assignee: Steris Europe, Inc. Suomen Sivuliike
    Inventors: Mauri Salmisuo, Juha Mattila, Teppo Nurminen
  • Publication number: 20140166596
    Abstract: Methods and systems are provided for operating a vehicle including an engine and a fuel system. In one embodiment, a water drainage system for a fuel system comprises a fuel tank, a fuel-water separator in fluid communication with the fuel tank, and a purge tank in fluid communication with the fuel-water separator and the fuel tank, the purge tank separate from the fuel tank. The water drainage system further includes a fuel property sensor for detecting a presence of water and a purge line in fluid communication with the purge tank for removing fluid from the purge tank, a flow of the fluid from the purge tank controlled by a check valve.
    Type: Application
    Filed: February 21, 2014
    Publication date: June 19, 2014
    Inventors: Larry Gene ANDERSON, Sivanaga Venu Varma Dantuluri, Dennis Shea, Morse N. Taxon
  • Publication number: 20140144849
    Abstract: The invention is a Swimming Pool Chemical Mixer in which swimming pool water circulates from a swimming pool into an induction tank which contains calcium hypochlorite tablets. The tablets dissolve while sitting on a tray positioned just under the water level in the tank. The tank's tray has holes it that are sized to allow the calcium hypochlorite tablets to proceed past the tray and back into the swimming pool when they have sufficiently dissolved, leaving the tank through a gravity-fed outlet pipe affixed to the tank at one end, with the other end of the outlet pipe affixed to the recirculation pipes leading back to the swimming pool.
    Type: Application
    Filed: November 27, 2012
    Publication date: May 29, 2014
    Inventor: Andrew D. Wojtaszczyk
  • Publication number: 20140138308
    Abstract: An automatically controlled wastewater treatment process can include automatically controlling nitrification and denitrification capacity in a water source. The nitrification and denitrification capacity can be automatically controlled simultaneously. In addition, the wastewater treatment process can also include automatically controlling solids retention time (SRT) and biological phosphorus removal in a water source as well as automatically controlling the removal of water from a containment device.
    Type: Application
    Filed: November 15, 2013
    Publication date: May 22, 2014
    Applicant: Xylem Water Solutions U.S.A., Inc.
    Inventors: Sarah Olivia Elger, Asa Helena Goransdotter Henriksson, John Edward Koch, III
  • Publication number: 20140116957
    Abstract: The present invention relates to a floating filter module installed in a water treatment apparatus, such as in a public water treatment plant, a village water supply facility, a public sewage treatment plant, a wastewater treatment plant, or a village sewage treatment plant, in order to remove contamination particles.
    Type: Application
    Filed: April 17, 2012
    Publication date: May 1, 2014
    Inventors: Kwang Jae Woo, Yeon Gil Kim, Wan Jung Kim
  • Patent number: 8691097
    Abstract: The system and method is directed to improved separation or clarification of solids from a solids-laden liquid and removal of entrained gasses. A liquid to be treated is introduced into the inlet of a solid-liquid separator modified to include one or more sources of vibrational energy. The liquid is directed through a conduit within the separator. This conduit can be configured into a tortuous flow path to assist in the separation of solids from the liquid. Vibrational energy is applied to the flow path, preferably through the flow path conduit. As solids fall out of solution, they are collected. The clarified liquid is also collected. A vacuum can be applied to the system to assist in moving the solid-liquid mixture through the system and to provide vacuum clarification. Electrocoagulation electrodes and gas sparging can also be employed along with height adjustable weirs and an oil accumulator.
    Type: Grant
    Filed: September 21, 2011
    Date of Patent: April 8, 2014
    Assignee: 1612017 Alberta Ltd.
    Inventor: Derald L. McCabe
  • Publication number: 20140091043
    Abstract: A separator system for separating feed material into a liquid component and a solids component. The separator system has a roller system supported adjacent to a feed chamber. The roller system comprises a base roller and a press roller. Base perforations are formed in the base roller. The base roller is supported such that a first portion of the base roller is in contact with the feed material within the feed chamber such that a liquids portion of the feed material may flow through the perforations in the base roller. The base roller is rotated such that the base roller removes a solids portion of the feed material from the feed chamber in a solids mat on the surface of the base roller. The press roller engages the solids mat on the base roller to force liquids in the solids mat through the base perforations in the base roller.
    Type: Application
    Filed: March 12, 2013
    Publication date: April 3, 2014
    Applicant: DARITECH, INC.
    Inventor: Daritech, Inc.
  • Publication number: 20140091044
    Abstract: A method of controlling the operation of a plurality of ultraviolet lamp fixtures in an ultraviolet fluid disinfection system is presented here. The method begins by detecting an operating state, condition, or characteristic of the system. In response to the detecting, the method determines an appropriate lamp regulation scheme to be applied to the plurality of ultraviolet lamp fixtures in the system. The system can then apply the determined lamp regulation scheme to individually regulate operation of the plurality of ultraviolet lamp fixtures.
    Type: Application
    Filed: September 12, 2013
    Publication date: April 3, 2014
    Applicant: ENAQUA
    Inventors: Manoj Kumar Jhawar, Gregory Lance Herzog
  • Patent number: 8658045
    Abstract: An oil skimmer system on a marine vessel. The preferred embodiment contemplates a pickup wing pivotally mounted between two hulls in the forward section of the marine vessel, which is formed to collect and direct the oil to the pickup wing. The pickup wing is dynamically repositionable, the pickup wing mount having provided a mechanism for vertically positioning the unit in real time such that the front of the pickup wing is situated just below the water surface, to provide maximum collection of contaminants (in this case, hydrocarbons) floating thereupon. In the preferred embodiment of the invention, the pickup wing has a “teardrop” cross sectional profile, and is configured such that fluid motion over the its forward section, either from vessel motion or fluid current, provides a skimming action, so as to urge the surface contaminants over the wing and into a recovery area, where it is separated from the water and pumped into a collection tank.
    Type: Grant
    Filed: September 14, 2010
    Date of Patent: February 25, 2014
    Inventor: Leslie Lombas
  • Patent number: 8658031
    Abstract: A method and an apparatus for treating a liquid containing impurities may include a filtering chamber configured to permit granular media to interact with liquid containing impurities, thereby removing impurities from the liquid to produce filtrate; a filtrate section for receiving the filtrate; a gas supplying system for delivering gas to the granular media in the filtering chamber for transport of a portion of the granular media to a granular media washer; a reject section in fluid communication with the granular media washer for receiving a reject mixture comprising liquid and impurities from the granular media washer; and a control unit that is configured to determine whether the portion of the granular media is being transported properly based on an amount of reject mixture in the reject section.
    Type: Grant
    Filed: August 2, 2010
    Date of Patent: February 25, 2014
    Assignee: Parkson Corporation
    Inventors: Adrian Streng, Brett H. Boyd
  • Publication number: 20140048493
    Abstract: The present invention relates to a device for treating ballast water using an electrolysis method so as to prevent ship explosions, and to a method for controlling the prevention of ship explosions using same. The device for treating ballast water using an electrolysis method is installed in a ship, wherein the apparatus comprises: a partition wall for separating an explosion danger zone in which a ballast tank is installed, and a safety zone in which the apparatus for treating ballast water is installed; a chlorine-injection tube linearly passing through said partition wall so as to connect the apparatus for treating ballast water to the ballast tank; and a compressor installed in said chlorine-injection tube so as to maintain a positive pressure in said chlorine-injection tube by transferring water into said chlorine-injection tube, even when an operation using the chlorine-injection tube is stopped.
    Type: Application
    Filed: April 5, 2012
    Publication date: February 20, 2014
    Inventors: Ji-Hyoung Lee, Gil-Ju Jeong, Yang-Gyu Kim, Tae-Jin Lee, Ki-Hoon Han
  • Publication number: 20140027386
    Abstract: A method and system for treatment of flow-back and produced water from a hydrocarbon well in which fracturing operations are carried out using a phase separation and creating of positive charge in the water.
    Type: Application
    Filed: March 15, 2013
    Publication date: January 30, 2014
    Inventor: Joseph G. Munisteri
  • Publication number: 20140014591
    Abstract: This disclosure is directed to the regulated injection of a chemical(s), solution(s) or material(s) hereafter referred to as chemicals into stormwater runoff, other surface waters or other fluid streams to promote the removal of a pollutant(s) or to alter the properties of the water. Specifically, and depending upon the types of chemicals injected, the physical, chemical and/or biological properties of the water can be altered. The invention provides a passive system to alter stormwater runoff or other surfaces. The system may be deployed at a remote site, such as a construction site, and implemented with minimal or zero external power requirements.
    Type: Application
    Filed: May 24, 2013
    Publication date: January 16, 2014
    Inventors: Jason Robert Vogel, Daniel Eugene Storm, Billy J. Barfield, Wayne Ray Kiner, Karl Michael Garbrecht
  • Patent number: 8623219
    Abstract: Apparatuses and methods for level control in a fluid purification apparatus. The apparatuses and methods include a fluid purification apparatus and a level sensor that regulates operation of the fluid purification apparatus. The level sensor may further operate a bypass valve or a heater.
    Type: Grant
    Filed: July 3, 2009
    Date of Patent: January 7, 2014
    Assignee: Next Generation Filtration Systems, LP
    Inventor: Kenneth L. Geiger
  • Publication number: 20130341286
    Abstract: The invention is a method for treating fluid in a main fluid reservoir, e.g., a pool, spa, or water tank, etc., using ozonated air. A fluid filter is placed in an auxiliary fluid reservoir located in or next to the main fluid reservoir. An ozone generator pumps a combination of ozone and air into the auxiliary reservoir. Fluid in the auxiliary reservoir passes through a filter and back into the main reservoir without the use of any fluid pump. More specifically, a vertical lift tube is placed beneath the auxiliary fluid reservoir so that the open top of the lift tube is within the auxiliary reservoir. Fluid from the main reservoir is fed to the bottom of the lift tube. Ozone and air from the ozone generator is also piped into the lift tube near its bottom. The fluid flows through the filter due to the effect of ozone and air bubbles released by a diffuser at the bottom of the lift tube.
    Type: Application
    Filed: June 24, 2013
    Publication date: December 26, 2013
    Inventor: Charles E. C. Harris
  • Patent number: 8603343
    Abstract: The device described in the present invention can separate fine solid particles in suspension in a viscous liquid, withdrawing a clear liquid from the top of the device, and a dense liquid charged with solid particles is withdrawn from the bottom. The invention also concerns the application of this device to the separation of catalyst particles in a liquid phase Fischer-Tropsch synthesis process.
    Type: Grant
    Filed: September 18, 2008
    Date of Patent: December 10, 2013
    Assignees: IFP Energies Nouvelles, Eni S.p.A.
    Inventors: Jean Christophe Viguie, Willi Nastoll, Francois Hugues, Elsa Mignone, Giuseppe Belmonte
  • Publication number: 20130313204
    Abstract: A system for monitoring water chemistry of a recreational water installation includes a sensor configured to detect bather load in the recreational water installation and a controller configured to determine a required adjustment to the water chemistry of the recreational water installation based upon the detected bather load.
    Type: Application
    Filed: February 9, 2012
    Publication date: November 28, 2013
    Inventors: Tadmor Shalon, Gregory Robert Cerny
  • Patent number: 8585907
    Abstract: An apparatus and a method for filling a container containing a dry powdered salt concentrate for use in dialysis with purified fluid and removing the trapped air or gases generated during the filling of the container, while maintaining the required fluid level in the container and without the need for evacuating gases from the container prior to filling.
    Type: Grant
    Filed: November 12, 2010
    Date of Patent: November 19, 2013
    Assignee: Fresenius Medical Care Holdings, Inc.
    Inventors: Wayne Raiford, Robert E. Hassard
  • Patent number: 8580123
    Abstract: Skimmers, barges and related methods recover heavy oil or bitumen from contaminated water environments such as tailings ponds. The skimmer has an articulated mesh-like conveyor driven around a drum by a drive sprocket. A pusher mechanism discharges bitumen or heavy oil from cavities in the conveyor. In one embodiment, the skimmer includes an automatic depth control system. In other embodiments, knife-edged shear plates remove heavy oil or bitumen adhering to the conveyor and drum. A barge may incorporate multiple parallel skimmers. The barge may include a bitumen-transfer pump having an annular fluid-injection flange that generates an annulus of lubricating fluid inside a discharge hose. A method of skimming heavy oil or bitumen involves using a skimmer that automatically adjusts its elevation or depth based on a control signal generated by a depth sensor. Another method recovers and transfers bitumen by lubricating the discharge hose using the annular fluid-injection flange.
    Type: Grant
    Filed: February 17, 2011
    Date of Patent: November 12, 2013
    Assignee: Environment Recovery Equipment
    Inventor: David Hines
  • Publication number: 20130256236
    Abstract: The invention is directed to a purifying device for sludge under water and a method for operating the same. The device includes a main fixing frame having an accommodating portion assess to the outside, a hollow liquid container in the accommodating portion, wherein the liquid container is provided with a liquid-flow hole and at least a backwash hole, multiple filters on the liquid container, and a pump connected to the liquid-flow hole at the liquid container through a liquid pipeline. The method includes steps: moving the liquid container having the filters to an area having a liquid to be filtered; leading the liquid to flow into the liquid container through the filters filtering out solid particles contained in the liquid; and leading a fluid to flow into the liquid container such that the filters can be backwashed accompanying with an external cleaning device if the filters are clogged.
    Type: Application
    Filed: April 3, 2012
    Publication date: October 3, 2013
    Inventors: Chun-Ping Huang, Jamie Liao
  • Publication number: 20130233796
    Abstract: A method for controlling treatment of an industrial water system is disclosed. The method comprises the steps of providing an apparatus for controlling delivery of at least one treatment chemical, the apparatus comprising at least one sensor and an electronic input/output device carrying out a protocol; measuring a parameter of the industrial water system using the at least one sensor; relaying the measured parameter to the electronic device; adjusting the protocol based on the measured parameter; delivering a concentrated treatment chemical into a stream of the industrial water system according to the adjusted protocol, the concentrated treatment chemical comprising an active ingredient, the active ingredient traced as necessary, the active ingredient having a concentration; repeating the measuring, the adjusting, and the delivering; and optionally repeating the steps for n-number of parameters, n-number of active ingredients, and/or n-number of concentrated treatment chemicals.
    Type: Application
    Filed: March 6, 2012
    Publication date: September 12, 2013
    Inventors: Narasimha M. Rao, Steven R. Hatch, William A. Von Drasek
  • Patent number: 8529486
    Abstract: A hemofiltration system and method for pumping blood from a patient's blood stream into an access line, introducing an anticoagulant solution into the pumped blood, filtering the pumped blood and delivering it to a return line, introducing a substitution fluid into the pumped blood, introducing a calcium and magnesium solution into the blood traveling through the return line, and returning the blood back to the patient's blood stream.
    Type: Grant
    Filed: January 26, 2012
    Date of Patent: September 10, 2013
    Assignees: Baxter International Inc., Baxter Healthcare S.A.
    Inventor: Jean-Michel Lannoy
  • Patent number: RE46183
    Abstract: An appliance for sealing elastic hoses with a sleeve, which is plastically deformable and slipped onto the hose, has two jaws which are movable towards and away from each other. One jaw has two straight bars which project towards the other jaw and extend transversely of the sleeve to make two transverse indentations in the sleeve and the hose when the jaws are moving towards each other. The same jaw has a cutting edge which projects towards the other jaw and is directed transversely of the sleeve, the cutting edge making a substantially transverse cutting indication in the sleeve and the hose when the jaws are moving towards each other.
    Type: Grant
    Filed: September 13, 2012
    Date of Patent: October 25, 2016
    Assignee: Merck Chemicals and Life Science AB
    Inventor: Liv Arthun