Patent application number | Description | Published |
20130015169 | DIGITAL COMMUNICATION BASED ARC CONTROL WELDING SYSTEM AND METHOD - A welding system includes components equipped with digital communications circuitry for synchronization and coordination of tasks associated with the welding operation. The tasks may be initiated and terminated independently or in coordination based upon synchronization of this circuitry. Certain of the tasks may be performed by the components in an open-loop manner or in a closed-loop manner based upon feedback of welding parameters. Moreover, certain tasks may be independent of one another, or interdependent although carried out in parallel by the different system component. | 01-17-2013 |
20130112676 | HYBRID PULSED-SHORT CIRCUIT WELDING REGIME - Welding power is generated by first generating two different current waveforms, and comparing the waveform values for control intervals to select which waveform provides the greater current. The waveforms are for different transfer modes, such as one for a pulsed arc portion, and another for a short-circuit transfer mode or for short-circuit clearing. The waveforms may be programmed by settings in a state machine. A balance or relative prioritization in the comparison may be influenced by user inputs. The resulting hybrid process has aspects of both spray transfer and short-circuit transfer modes. | 05-09-2013 |
20130153557 | DC ELECTRODE NEGATIVE ROTATING ARC WELDING METHOD AND SYSTEM - A welding operation is performed by moving or rotating an arc in a welding torch, and feeding a metal cored wire through the torch in a direct current, electrode negative welding process. The electrode may include one or more arc stabilizers. The welding process may be pulsed or non-pulsed. Moreover, the process may be used with a number of different base metals intended to be welded, such as thin plate, galvanized metals, painted metals, coated metals, and so forth. | 06-20-2013 |
20140263243 | ELECTRODE NEGATIVE PULSE WELDING SYSTEM AND METHOD - A welding system includes a power source configured to generate power and deliver the power to a welding torch. The power is provided in accordance with an electrode negative pulse welding regime that includes a cyclic peak, followed by a stabilization phase, then a return to a background level. The stabilization phase has a generally parabolic current shape, and is performed in a current-closed loop manner until a transition point, where control becomes voltage-closed loop until the background level is reached. Resulting weld performance is improved, with a globular-like transfer mode, reduced shorts and enhanced arc stability. | 09-18-2014 |
Patent application number | Description | Published |
20080236730 | Web Fluting Apparatus and Method of Forming Open Core Web Elements - A continuous, fully automated and highly productive system for the production of open core elements utilizes a fluting method and related apparatus effective for providing large pitch flutes for the input webs used in forming the core elements. A wide variety of core elements can be produced for uses ranging from large light weight building panels to small light weight packing elements. | 10-02-2008 |
20090038259 | Building Wall Panels of Hollow Core Construction - Building wall panels having lightweight hollow core interiors include embodiments suitable for interior and exterior walls, for industrial, commercial or residential buildings, and for multi-story structures. Various methods for making these wall panels are disclosed, including the formation of cast gypsum firewall layers. | 02-12-2009 |
20090038262 | Building Wall Panels of Hollow Core Construction - Building wall panels having lightweight hollow core interiors include embodiments suitable for interior and exterior walls, for industrial, commercial or residential buildings, and for multi-story structures. Various methods for making these wall panels are disclosed, including the formation of cast gypsum firewall layers. | 02-12-2009 |
20100006626 | Method for Making a Hollow Core Floor and Deck Element - A composite structural support which may be utilized as a beam or assembled with similar supports to form a building floor or a bridge deck utilizes an open core element, made preferably of suitably treated fluted paper, upper and lower thin steel skins, and a layer of concrete poured over the top skin. Modules comprising the hollow core element and the upper and lower steel skins are fabricated to lengths required for building floor and bridge spans and, when joined by welding the upper and lower skins of adjacent elements along their full lengths, provide a floor or deck structure of a large span. The open core paper elements may be alternately fabricated from single face corrugated webs or open face double wall webs that are slit to form narrow equal width strips stacked and glued face-to-face. | 01-14-2010 |
20110061791 | Apparatus and Method for Producing Waterproof Structural Corrugated Paperboard - Two paperboard webs saturated with a B-phase phenolic resin are fed through separate low melting point metal alloy baths, one web after being corrugated, to convert the resin to A-phase, whereafter the webs are joined to form a waterproof single face corrugated web. | 03-17-2011 |
20110162793 | Apparatus and Method for Producing Waterproof Structural Corrugated Paperboard - Two paper webs saturated with an A-phase phenolic resins and dried to a B-phase are conveyed through separate low melting point metal alloy baths, one web after being corrugated, to convert the resin to a fully cured C-phase, whereafter the webs are joined to form a waterproof single face corrugated web. | 07-07-2011 |
Patent application number | Description | Published |
20130161253 | REINFORCEMENT ELEMENT - The present disclosure describes a means to provide structural reinforcement for spiral wound membrane elements. The reinforcement includes a wire and, optionally, an outer wrap. The wire is wrapped around an outer layer of the spiral wound membrane layer and reinforces the spiral wound membrane element. The wire is made from materials that do not deform substantially during sanitization procedures. The outer wrap is wrapped around the wire and limits unsanitary areas of tight tolerance between the perimeter of the spiral wound membrane element and a housing. | 06-27-2013 |
20130161258 | SANITARY BRINE SEAL - The present disclosure describes a brine seal for use with a spiral wound membrane element. The brine seal has an elongate body with a flexible wing. The brine seal is wrapped around the spiral membrane element with a space between each turn of the brine seal. The wrapped spiral wound membrane unit is placed inside a pressure housing. Between the wrapped spiral wound membrane element and an inner surface of the pressure housing is an annular space. The brine seal, the spiral wound membrane element and the pressure housing establish a bypass flow channel that spirals around the spiral wound membrane element, through the annular space. Feedstock can enter the bypass flow channel to provide sanitary flushing of the annular space. Some of the feedstock in the bypass flow channel enters the spiral wound membrane to improve the efficiency of the spiral wound membrane element. | 06-27-2013 |
20150298063 | FLAT REVERSE OSMOSIS MODULE AND SYSTEM - A filtering module, for example a nanofiltration or reverse osmosis module, is made of membranes arranged in a stack with flat sheets of feed channel spacer and permeate carrier. The stack has packs formed of two membrane sheets sealed on four sides and enclosing a permeate carrier. The packs alternate with sheets of feed channel spacer through the thickness of the stack. One or more permeate-collecting pipes pass through the thickness of the stack. The sheets of feed channel spacer have seals along two sides and around the permeate-collecting pipes. A module is formed by placing one or more stacks in a pressure vessel with a seal between the stack and the pressure vessel at a downstream end of the stack. | 10-22-2015 |
20150343385 | FLAT FILTRATION MODULE - Membranes are arranged in a stack with flat sheets of feed channel spacer and permeate carrier. Flat feed channels and permeate channels alternate through the thickness of the stack. Edges of the feed channels are sealed along the length of the stack. Edges of the permeate channels are sealed across the width of the stack. The stack may be more than 1.5 m long. Optionally, membranes may be sealed to each other without being folded. A filtration element comprises a stack and a shell. The shell has at least an inlet to the feed channels and a permeate outlet. Optionally, the element may be operated in a permeate side cross flow configuration. Parts of the stack may be pre-assembled, in some cases by an automated process. The filtration element may be used for reverse osmosis, forward osmosis, pressure retarded osmosis or nanofiltration. | 12-03-2015 |
Patent application number | Description | Published |
20100096308 | SEPARATOR ASSEMBLY - The present invention provides a separator assembly comprising a central core element comprising at least two permeate exhaust conduits and not comprising a concentrate exhaust conduit; and a membrane stack assembly comprising at least one feed carrier layer, at least two permeate carrier layers, and at least two membrane layers, the membrane layers being disposed between the feed carrier layer and the permeate carrier layers; wherein the permeate exhaust conduits are separated by a first portion of the membrane stack assembly, and wherein a second portion of the membrane stack assembly forms a multilayer membrane assembly disposed around the central core element, and wherein the feed carrier layer is not in contact with a permeate exhaust conduit, and wherein the permeate carrier layers are in contact with at least one permeate exhaust conduit. Also provided are salt separator assemblies and spiral flow reverse osmosis devices. | 04-22-2010 |
20100096309 | CENTRAL CORE ELEMENT FOR A SEPARATOR ASSEMBLY - The present invention provides a central core element for separator assemblies useful in the purification of fluids, for example separator assemblies useful for the desalination of seawater. The central core element provided by the present invention comprises at least two porous exhaust conduits wherein each porous exhaust conduit comprises an exhaust channel and one or more openings which allow fluid communication between an exterior surface of the porous exhaust conduit and the exhaust channel. The central core element defines a cavity into which may be disposed a first portion of a membrane stack assembly. In the preparation of a separator assembly comprising the central core element provided by the present invention, a second portion of the membrane stack assembly forms a multilayer membrane assembly disposed around the central core element. Also provided are central core elements for salt separator assemblies and spiral flow reverse osmosis devices. | 04-22-2010 |
20100096319 | SEPARATOR ASSEMBLY - A separator assembly is provided comprising a membrane stack assembly comprising a feed carrier layer, a permeate carrier layer, and a membrane layer, and a central core element comprising a concentrate exhaust conduit and a permeate exhaust conduit; wherein the concentrate exhaust conduit and the permeate exhaust conduit are separated by a first portion of the membrane stack assembly; and wherein a second portion of the membrane stack assembly forms a multilayer membrane assembly disposed around the central core element; and wherein the feed carrier layer is in contact with the concentrate exhaust conduit and not in contact with the permeate exhaust conduit; and wherein the permeate carrier layer is in contact with the permeate exhaust conduit and not in contact with the concentrate exhaust conduit; and wherein the permeate carrier layer does not form an outer surface of the separator assembly. | 04-22-2010 |
20110233128 | SEPARATOR ASSEMBLY - A novel separator assembly for a spiral flow reverse osmosis apparatus is provided. In one embodiment, the separator assembly comprises a central core element comprising at least two permeate exhaust conduits and not comprising a concentrate exhaust conduit. Each permeate exhaust conduit defines an exhaust channel and one or more openings allowing fluid communication between an exterior surface of the permeate exhaust conduit and the exhaust channel, said permeate exhaust conduits independently defining a cavity between said conduits. The cavity is configured to accommodate a first portion of a membrane stack assembly comprising at least one feed carrier layer, at least two permeate carrier layers, and at least two membrane layers. A first portion of the membrane stack assembly is disposed within the cavity, and a second portion of the membrane stack assembly is wound around the central core element and forms a multilayer membrane assembly disposed around the central core element. | 09-29-2011 |
20110240546 | CENTRAL CORE ELEMENT FOR A SEPARATOR ASSEMBLY - The present invention provides a central core element for a separator assembly comprising at least two porous exhaust conduits; each porous exhaust conduit defining an exhaust channel and one or more openings allowing fluid communication between an exterior surface of the porous exhaust conduit and the exhaust channel, said porous exhaust conduits independently defining a cavity between said porous exhaust conduits, said cavity being configured to accommodate a first portion of a membrane stack assembly. In another aspect, the present invention provides a central core element for a separator assembly comprising at least two identical core element components, each of said core element components comprising at least one porous exhaust conduit and at least one friction coupling, said friction couplings being configured to join said core element components to form a central core element defining a cavity configured to accommodate a first portion of a membrane stack assembly. | 10-06-2011 |
20120160758 | SEPARATOR ASSEMBLY - A novel separator assembly for a spiral flow reverse osmosis apparatus is provided. In one embodiment, the separator assembly comprises a central core element comprising at least one permeate exhaust conduit and at least one concentrate exhaust conduit. Each exhaust conduit defines an exhaust channel and one or more openings allowing fluid communication between an exterior surface of the exhaust conduit and the exhaust channel, said exhaust conduits independently defining a cavity between said conduits. The cavity is configured to accommodate a first portion of a membrane stack assembly comprising at least one feed carrier layer, at least one permeate carrier layer, and at least one membrane layer. A first portion of the membrane stack assembly is disposed within the cavity, and a second portion of the membrane stack assembly is wound around the central core element and forms a multilayer membrane assembly disposed around the central core element. | 06-28-2012 |
20130161257 | AXIAL BYPASS SLEEVE - The present disclosure describes an axial bypass sleeve for use with a spiral wound membrane element. The axial bypass sleeve has a protrusion and an opening that defines a flow path to provide fluid flow communication through the axial bypass sleeve. In use, the axial bypass sleeve is wrapped around a spiral wound membrane element and both are placed in a pressure housing. A pressurized feedstock is introduced into the pressure housing. A portion of the pressurized feedstock flows through the spiral wound membrane element to produce a permeate stream and a retentate stream. A portion of the pressurized feed stock flows around the spiral wound membrane element, called bypass flow. The protrusion extends into the annular space to restrict the bypass flow. A portion of the bypass flow passes through the opening and enters into the spiral wound membrane element to increase permeate production. | 06-27-2013 |
20140150872 | ROTARY CONTROL VALVE FOR REVERSE OSMOSIS FEED WATER PUMP WITH ENERGY RECOVERY - A liquid pumping system includes at least two water cylinders that are each controlled by a hydraulic piston. A rotary valve controls the hydraulic pistons. The rotary valve has an inner unit that rotates within an outer unit. Slots provided between the inner and outer units control the duration, rate and direction of hydraulic fluid supply to the hydraulic piston. A liquid pumping process comprises distributing an initial flow of pressurized hydraulic fluid between the hydraulic cylinders. The hydraulic cylinders move through a cycle in a phased relationship to provide a constant sum of flow rates from the liquid pumps. In a water treating process, feed water is pumped through the membrane unit. Brine from the membrane unit is returned to each liquid pump while that liquid pump is feeding water to the membrane unit. | 06-05-2014 |
20140161627 | SYSTEM AND METHOD FOR CONTROLLING MOTION PROFILE OF PISTONS - A method includes driving a fluid pumping unit having a plurality of pumping cylinders via a plurality of hydraulic cylinders respectively of a hydraulic power unit. The method further includes controlling activation of the hydraulic power unit such that each stroke of the corresponding piston assembly between the top dead center and the bottom dead center follows a corresponding trapezoidal velocity profile with respect to a time duration. Controlling activation includes controlling flow of a hydraulic fluid in the hydraulic power unit so as to control the corresponding trapezoidal velocity profile with respect to the time duration of the corresponding piston assembly to obtain a predefined flow rate of the fluid medium from the pumping unit. | 06-12-2014 |
Patent application number | Description | Published |
20110079510 | Electrochemical Liquid Treatment Cell with Modular Construction - A cell for direct treatment of liquid using electrolysis uses a modular construction of electrode plates and spacer assemblies positioned between end plates. Changes in the liquid flow capacity of the cell may be made by changing the number of module housing sections and electrode plate assemblies. The design includes electrode plates that lock into a mating module housing section to resist the pressure of the fluid being treated. The design further provides for multiple fluid flow paths and for automatic cleaning of the cell using standard clean-in-place methods. | 04-07-2011 |
20110079520 | Method and Apparatus for the Electrochemical Treatment of Liquids Using Frequent Polarity Reversal - An electrolytic method and apparatus for treating liquids using a flow cell with widely spaced electrodes and polarity reversing power designed to prevent electrode fouling and provide for long continuous liquid treatment running times. | 04-07-2011 |
20110108438 | Electrochemical Liquid Treatment System Using Dose Control - The invention herein provides an apparatus and method of controlling an electrochemical treatment process where treatment is performed in a flow cell to ensure that a controlled dose of electrical energy or current is delivered to all volumes of the liquid being treated. In addition the invention provides for further optimization of the dose based on other factors and sensor inputs. This invention also provides a method to estimate, display and record a forecast of process efficacy such as disinfection, oxidation or other desired treatment that otherwise cannot be measured in an online manner. | 05-12-2011 |
20150312964 | WIRELESSLY OPERABLE COOKING APPLIANCE - A wirelessly operable cooking appliance for cooking food products includes a wireless communication device. A computing device, such as a smartphone, can wirelessly communicate with the cooking appliance to control and monitor the cooking appliance. | 10-29-2015 |
Patent application number | Description | Published |
20140352553 | TABLETOP GRILL - A tabletop grill generally includes a first grill unit having a first grill plate and a first heating element for heating the first grill plate. The grill further includes a second grill unit positionable relative to the first grill unit. The second grill unit has a second grill plate and a second heating element for heating the second grill plate. The grill is configured to function as a broiler. | 12-04-2014 |
20150208856 | APPARATUS AND METHOD FOR BREWING BEVERAGES - Apparatus and methods are provided for brewing a beverage from precursor particulates. The apparatus comprises a liquid delivery system for delivering liquid into a brewing basket. The liquid delivery system comprises a showerhead disposed above at least a portion of the brewing basket. The showerhead has a plurality of outlet openings through which liquid flows outward from the showerhead into the brew basket. At least two of the outlet openings are oriented to direct the flow of liquid out of the showerhead at least in part transversely of the brew basket. | 07-30-2015 |
20150257597 | RAPID-TOASTING TOASTER - A rapid-toasting toaster includes a housing having at least one slot configured to receive the food product and a heating box disposed within said housing. The heating box includes at least one basket disposed generally underneath the at least one slot and a heating unit disposed adjacent the at least one basket. The basket is configured to retain the food product and the heating unit is configured to radiate heat from a side facing the at least one basket. A filament is supported by the heating unit. The filament includes a wire having a resistance rating less than about 12 ohms/m and is configured in a pattern including at least two windings that are spaced apart a distance less than about 6 mm. | 09-17-2015 |
20150297024 | FLUID HEATING APPLIANCE - A coffeemaker generally includes a reservoir and a flow control system for regulating a flow of water from the reservoir. The flow control system has a thin-film heating element that defines at least a portion of a heating conduit in which water is heated. | 10-22-2015 |
20150297030 | TOASTER USING THIN-FILM HEATING ELEMENT - In a toaster and method for toasting a food product, the generally includes at least one thin-film heating element, the thin-film heating element including a resistive film coupled to a substrate and extending between a pair of electrical conductors. | 10-22-2015 |
20150305094 | PORTABLE CONTAINER SYSTEM FOR HEATING A BEVERAGE - In a portable container system for heating a beverage generally, the system includes a container for containing a beverage to be heated. The container generally has a bottom and a side wall together defining an internal reservoir containing the beverage to be heated. A base of the system is operable to heat the container at the bottom thereof. The base is constructed of multiple layers generally including at least a top barrier layer, an electrically non-conductive bottom barrier layer and a thin film heating element intermediate the top barrier layer and the bottom barrier layer. | 10-22-2015 |