Modular screen assembly (10) for filtering water drawn from a body of water by a pump through a pipe. The assembly (10) comprises a plurality of intake modules (12) that are arranged in an annular array across the end of the pipe. Each intake module (12) has a funnel portion (14) that directs water flow into the pipe and a vane (16) that prevents water flow between adjacent intake modules (12). The modular screen assembly (10) also comprises a screen module (18) that surrounds the annular array of intake modules (12) and filters water entering the intake modules (12).
B01D 35/02 - Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
A01K 63/04 - Arrangements for treating water specially adapted to receptacles for live fish
B01D 29/03 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups ; Filtering elements therefor with flat filtering elements self-supporting
B01D 29/33 - Self-supporting filtering elements arranged for inward flow filtration
E02B 1/00 - Equipment or apparatus for, or methods of, general hydraulic engineering
An intake screen assembly having a domed or dome-like upper screen structure mounted above a central intake structure. The domed or dome-like upper screen structure is constructed such that an interior portion closely conforms to a key flow velocity isosurface without requiring additional internal flow controls or flow modifying structures to achieve desired flow velocities at any point on a screen surface. The central intake structure can define an upper flange surface to which the domed or dome-like upper screen structure is operably coupled. The domed or dome-like upper screen structure can be mounted to a perimeter of the central intake structure at a point spaced away from an intake opening. The domed or dome-like upper screen structure can include a plurality of arcuate or flat filter screen panels. An air burst system can be attached to the central intake structure to backwash the domed or dome-like upper screen structure.
B01D 29/07 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups ; Filtering elements therefor with flat filtering elements supported with corrugated, folded or wound filtering sheets
Disclosed herein is a fluid flow control apparatus, comprising a flow guide (130) upstream of a downstream device (110, 300). The flow guide (130) is configured to adjust a trajectory of a fluid passing it such that the fluid flows toward the downstream device (110, 300) in a desired trajectory, wherein the desired trajectory differs with differing flow rates of the fluid passing the flow guide. A configuration of the flow guide (130) relative to the downstream device (110, 300) is adjustable responsive to a flow rate of the fluid passing the flow guide.
B01D 33/72 - Filters with filtering elements which move during the filtering operation having feed or discharge devices for feeding
B01D 33/067 - Construction of the filtering drums, e.g. mounting or sealing arrangements
B01D 33/11 - Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for outward flow filtration
A centrifugal screen filter and methods of assembly to accommodate variability in batch centrifuges by utilizing two different style joint connections when assembling the individual screen panels to form the centrifugal screen filter. A first joint configuration can include a fixation member that fixes the first joint configuration relative to the batch centrifuge by engaging the batch centrifuge. A second joint configuration can utilize an elongated, compressible member to provide flexibility and scaling capability to additional joint connections between adjacent screen panels. The centrifugal screen filter can utilize only a single first joint configuration with the remaining connections being of the second joint configuration. Alternatively, the centrifugal screen filter can be constructed utilizing one or more pairs of first joint configurations, wherein the pair or pairs of first joint configurations are located in opposed positions of the centrifugal screen filter and the remaining connections are of the second joint configuration.
This invention refers to filter metal plates treated with functional nanocoatings, in particular metal oxide nanoparticles coupled with one or more fluoroalkylsilanes and/or one or more organosilanes and/or one or more polymers functionalized with fluoroalkylsilanes and/or with organosilanes; or coated with metal oxide nanoparticles coupled with a polymeric matrix functionalized with fluorinated molecules or groups. The invention also comprises the uses of said coated plates, such as for filtering water and for separating emulsions, in the form of kits for obtaining said coatings.
An asymmetrical rotating spray nozzle system and related methods of controlled fluid disbursement onto a filtration or dewatering panel using an asymmetrical rotating spray nozzle assembly. The asymmetrical rotating spray nozzle system generally includes a sieve panel and an asymmetrical rotating spray nozzle assembly having a central hub, at least one arm or a plurality of arm segments, a nozzle connector attached near an end of each of the at least one arm or plurality of arm segments and one or more fluid-dispensing nozzles on each at least one arm or plurality of arm segments such that a set of reaction forces stemming from the asymmetrical rotating spray nozzle assembly are balanced.
B05B 3/04 - Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet
B01D 41/04 - Regeneration of the filtering material or filter elements outside the filter for liquid or gaseous fluids of rigid self-supporting filtering material
B05B 3/06 - Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet by jet reaction
Screen intake assemblies and related methods of fabrication and operation that improve both operational performance and structural strength. The screen intake assembly can include one or more screen portions that run substantially and continually along the length of the screen assembly to provide increase fluid intake and uniform flow. The screen intake assembly can comprise a central manifold having an exterior manifold screen portion to provide additional filtering capacity. The screen intake assembly can be used alone or in combination with internal flow modifier structures to increase fluid intake and uniformity. Internal flow modifiers can include a perforated flow modifier pipe, an internal flow modifier pipe, and/or converging flow modifiers. The screen intake assembly can include cleaning systems that operate continuously or on demand.
An intake screen assembly having a domed or dome-like upper screen structure mounted above a central intake structure. The domed or dome-like upper screen structure is constructed such that an interior portion closely conforms to a key flow velocity isosurface without requiring additional internal flow controls or flow modifying structures to achieve desired flow velocities at any point on a screen surface. The central intake structure can define an upper flange surface to which the domed or dome-like upper screen structure is operably coupled. The domed or dome-like upper screen structure can be mounted to a perimeter of the central intake structure at a point spaced away from an intake opening. The domed or dome-like upper screen structure can include a plurality of arcuate or flat filter screen panels. An air burst system can be attached to the central intake structure to backwash the domed or dome-like upper screen structure.
A centrifugal screen filter and methods of assembly to accommodate variability in batch centrifuges by utilizing two different style joint connections when assembling the individual screen panels to form the centrifugal screen filter. A first joint configuration can include a fixation member that fixes the first joint configuration relative to the batch centrifuge by engaging the batch centrifuge. A second joint configuration can utilize an elongated, compressible member to provide flexibility and sealing capability to additional joint connections between adjacent screen panels. The centrifugal screen filter can utilize only a single first joint configuration with the remaining connections being of the second joint configuration. Alternatively, the centrifugal screen filter can be constructed utilizing one or more pairs of first joint configurations, wherein the pair or pairs of first joint configurations are located in opposed positions of the centrifugal screen filter and the remaining connections are of the second joint configuration.
Systems and related methods for purging air burst supply piping of accumulated water prior to delivering pulses of pressurized air to an interior of a screen intake through the air burst supply piping. The systems and methods can include a purge compressor delivering a purging air supply at a head pressure slightly above a head pressure of water in the air burst supply piping, wherein the head pressure of the water is equivalent to a depth at which the intake screen. The system and methods can also include a purge line arranged in a parallel orientation to an air burst supply line, wherein both the purge line and the air burst supply line are operably coupled to a pressurized air tank.
Apparatus and related method for coupling adjacent pipe lengths, for example, a drop pipe assembly that utilize an intermediate coupling member to prevent rotational disengagement of adjacent pipe lengths under the influence of rotational torque. The coupling member can comprise an internal key feature that physically engages a keyed end on at least one end of a length of pipe. The internal key feature can include key members located on each coupling end of the coupling member such that the key members engage corresponding keyed ends of adjacent lengths of pipe such that the coupling member prevents rotation of the adjacent pipe length relative to each other.
An underdrain assembly for filtering particulates from a fluid having an upper structure connected to a bottom plate. At least one flow control vane is positioned between the upper structure and the bottom plate for directing and managing fluid flow through the assembly. The upper structure can have first and second filtration members, the second filtration member positioned between the first filtration member and the bottom plate. The second filtration member can have a shape that restricts fluid flow within the underdrain. The underdrain can have air and water inlets. The water inlet can have an end with a plate covering an upper portion thereof. The end can also include an opening having an angular cut forming an angle with respect to a longitudinal axis of the water inlet. Thus arranged, air is prevented from migrating out the water line. A resilient mounting arrangement for the underdrain is also disclosed.
A batch centrifuge having a filter screen that can be expeditiously removed and replaced and that is more rigid and more durable than filter screens that are typically employed in current practice. The batch centrifuge may include a centrifuge basket and a cylindrical filter screen disposed within the centrifuge basket, wherein the filter screen is formed of a plurality of curved panels that fit together at adjoining edges. In some embodiments, each of the curved panels may be small enough to fit through an opening in the top of the centrifuge basket without being bent or otherwise deformed.
A screen filter fabrication machine configured to produce a screen filter having a controlled slot width between wires. The screen filter fabrication machine can include a frame, a tooling head configured to rotate relative to the frame and retain a plurality of support rods, a wire feed wheel operably coupled to the frame and configured to dispense wire as it is wound around the plurality of support rods, and a control system configured to monitor one or more parameters concerning the slot width, and implement one or more process control adjustments configured to enable the winding of the wire around the plurality of support rods in such a manner that at least 99.7% of a measured slot width during screen filter fabrication falls within three standard deviations of a mean slot width measured during screen filter fabrication.
B01D 39/12 - Filter screens essentially made of metal of expanded metal
B23K 31/02 - Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by any single one of main groups relating to soldering or welding
A screen intake has a central body with two screens attached on either end. Each of the screens has an interior that communicates with a hollow of the body via flow modifiers. These flow modifiers include one or more pipes disposed in the interior of the screens and through passages in ends of the body. A flow control support device disposed within the body supports the body's sidewall and divides the hollow into at least two portions—each communicating with flow from one of the flow modifiers. The device can include one or more plates disposed adjacent one another within the internal hollow with a peripheral edge attached to an inside of the body's sidewall. At least one of the one or more plates can be solid, or one or more of the plates can define openings therein allowing passage of at least some fluid therethrough.
B01D 35/157 - Flow control valves; Damping or calibrated passages
B01D 29/33 - Self-supporting filtering elements arranged for inward flow filtration
B01D 29/48 - Edge filtering elements, i.e. using contiguous impervious surfaces of spirally or helically wound bodies
B01D 29/54 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups ; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection arranged concentrically or coaxially
B01D 29/90 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups ; Filtering elements therefor having feed or discharge devices for feeding
E03B 3/04 - Methods or installations for obtaining or collecting drinking water or tap water from surface water
Screen intake assemblies and related methods of fabrication and operation that improve both operational performance and structural strength. The screen intake assembly can include one or more screen portions that run substantially and continually along the length of the screen assembly to provide increase fluid intake and uniform flow. The screen intake assembly can comprise a central manifold having an exterior manifold screen portion to provide additional filtering capacity. The screen intake assembly can be used alone or in combination with internal flow modifier structures to increase fluid intake and uniformity. Internal flow modifiers can include a perforated flow modifier pipe, an internal flow modifier pipe, and/or converging flow modifiers. The screen intake assembly can include cleaning systems that operate continuously or on demand.
A utility conduit and related methods of assembling lengths of utility conduit with a mechanical spline connector. The utility conduit includes opposed male and female ends, wherein the male end is slidably insertable into the female end of adjacent conduits. The female end includes one or more circumferential sealing channels into which a seal member is positionable and an internal spline groove that is circumferentially defined inside the conduit. The female end includes a wall bore through a conduit wall that intersects with the internal spline groove. The male end includes an exterior spline groove on an exterior of the conduit. A spline can be inserted through the wall bore and into a space cooperatively defined by the internal spline groove and the external spline groove. The spline is inserted such that the spline occupies the space cooperatively defined by the internal spline groove and the external spline groove.
F16L 47/12 - Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics with sleeve or socket formed by or in the pipe end with additional locking means
F16L 21/03 - Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings placed in the socket before connection
F16L 21/08 - Joints with sleeve or socket with additional locking means
F16L 37/14 - Joints secured by inserting between mating surfaces an element, e.g. a piece of wire, a pin, a chain
H02G 3/04 - Protective tubing or conduits, e.g. cable ladders or cable troughs
23.
DIRECTED HYDROBURST SYSTEM FOR CLEANING FLAT SCREENS
A screen intake system has a body with an open end and a chamber. A flat screen is disposed at the open end of the body. To keep the screen clear of debris, an airburst system has pipes disposed in the chamber. The pipes dispose parallel to one another adjacent the flat screen, and each of the pipes has orifices in a side facing the flat screen. Directors are disposed along the backs of the pipes in a lattice, and each of the directors has a channel in which the pipe disposes. Compressed air released by valves from a tank dispersed from the pipe's orifices. Each of the directors directs the resulting water/airburst from the orifices toward the adjacent flat screen to clear it of debris.
An intake screen assembly including an intake member, a screen support member, and a screen member coupled to the screen support member. The screen member may be formed from a material, such as copper-nickel, that is different from a material, such as stainless steel, used to form the intake member and/or the screen support member. The intake screen assembly may include corrosion protection members for preventing contact between the components of the screen assembly that are formed from dissimilar materials. The assembly may be formed by coupling the screen support member to the intake member, and coupling the screen member to the screen support member.
E02B 5/08 - Artificial water canals - Details, e.g. gates, screens
E03B 3/04 - Methods or installations for obtaining or collecting drinking water or tap water from surface water
B01D 29/11 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups ; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
A vortex breaker fits over an outlet of a vessel. The breaker has a basket disposed on a base with an opening communicating with the vessel's outlet. The basket has a cylindrical sidewall screen with profiled wires arranged around bars that extend from the base. The basket also has a top screen attached to the sidewall screen. The top screen has wires arranged across a plurality of bars. Fluid flow passing through the screens is directed by the profiled wires and the bars. Below the top screen, a baffle plate diverts the fluid flow passing through the top screen to the periphery of the top plate. Inside the basket, a flow modifier has a vanes attached to the base and disposed radially around the base's opening. At least some of the vanes have cross-tees extending from the vane's sides to break the radially directed flow inside the basket.
A variable flow control nozzle has a head, a tube, and a valve. The head disposes adjacent an opening and has a screen for passage of fluid flow into and out of the head's interior. The tube extends from the head through the opening and secures the head thereto. A tube passage communicates the interior of the head with the other side of the opening. The valve disposed in the passage has a first condition permitting first fluid flow from the passage to the interior of the head and has a second condition permitting second fluid flow from the interior to the passage. The second fluid flow may be greater than the first fluid flow. The tube can have first and second tube members with different internal diameters, and the valve can use a ball movable between positions in the tube members.
B01J 4/02 - Feed devices; Feed or outlet control devices for feeding measured quantities of reagents
F16K 11/056 - Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves; Arrangement of valves and flow lines specially adapted for mixing fluid with all movable sealing faces moving as one unit comprising only lift valves with ball-shaped valve members
F16K 15/04 - Check valves with guided rigid valve members shaped as balls
The present invention relates to a length of pipe with a female end that is reinforced by a band of reinforcing material that extends around the female end. When the pipe and a similar adjacent pipe are threadably connected, the reinforcement material reinforces the female end against failure due to hoop stresses and/or lateral stresses. In this regard, the reinforcing material is any material with a higher resistance to hoop stresses and/or lateral stresses than the material from which the pipe is made. The present invention is also directed to manufacturing processes for manufacturing the pipe of the present invention.
A pipe for connecting to a similar adjacent pipe. The pipe has a male end with a plurality of rigid fingers extending from within and out of at least one exterior circumferential groove disposed on its exterior surface. On the female end is at least one interior circumferential groove sized and positioned to receive the plurality of rigid fingers from a corresponding exterior circumferential groove on the male end of an adjacent pipe. The number of exterior circumferential grooves on the male end typically corresponds to the number of interior circumferential grooves on the female end. When the male end of the pipe inserts into the female end of a similar adjacent pipe, the plurality of rigid fingers is received within a corresponding interior circumferential groove on the female end, thereby preventing the male end of the pipe from being withdrawn from the female end of the similar adjacent pipe.
F16L 37/091 - Couplings of the quick-acting type in which the connection between abutting or axially-overlapping ends is maintained by locking members combined with automatic locking by means of a ring provided with teeth or fingers
F16L 21/08 - Joints with sleeve or socket with additional locking means
F16L 37/086 - Couplings of the quick-acting type in which the connection between abutting or axially-overlapping ends is maintained by locking members combined with automatic locking by means of latching members pushed radially by spring-like elements
A pipe for connecting to a similar adjacent pipe. The pipe has a female end with a plurality of rigid fingers extending into the space within the female end. The plurality of rigid fingers extends from at least one interior circumferential groove on the interior surface of the female end. On the male end of the pipe there is at least one exterior circumferential groove that is sized and positioned to receive the plurality of rigid fingers from a corresponding interior circumferential groove on the female end of an adjacent pipe. The number of interior circumferential grooves on the female end with the plurality of rigid fingers extending from them typically corresponds to the number of exterior circumferential grooves on the male end. When the male end of a similar adjacent pipe is inserted into the female end of the pipe, the plurality of rigid fingers is received within the corresponding exterior circumferential groove on the male end, thereby preventing the male end of the similar adjacent pipe from being withdrawn from the female end of the pipe.
Passive solar wire screens mount vertically on an edifice. The screens have rods vertically arranged parallel to one another and have wires horizontally arranged parallel to one another. The wires attach to the rods and have first surfaces facing away from the edifice in an upward direction from vertical. The wires also have second surfaces facing toward the edifice in a downward direction from vertical. When the sun has a summer elevation on the horizon, the first surfaces passively reflect solar energy incident thereto away from the wire screens. When the sun has a winter elevation on the horizon, however, the first surfaces passively reflect solar energy incident thereto toward the second surfaces, which in turn passively reflect the solar energy toward the edifice. A concave surface on the wires can also reflect thermal energy back to the edifice.
F24J 2/00 - Use of solar heat, e.g. solar heat collectors (distillation or evaporation of water using solar energy C02F 1/14;roof covering aspects of energy collecting devices E04D 13/18;devices for producing mechanical power from solar energy F03G 6/00;semiconductor devices specially adapted for converting solar energy into electrical energy H01L 31/00;photovoltaic [PV] cells including means directly associated with the PV cell to utilise heat energy H01L 31/525;PV modules including means associated with the PV module to utilise heat energy H02S 40/44)
A threaded coupling for connecting a threaded first connecting drop pipe to a second connecting drop pipe. The coupling has a first female end having an enlarged exterior diameter and an interior diameter defining a lead in section which provides strength to resist lateral forces exerted on the threaded drop pipe connection. Adjacent the lead in section, internal threads are located in the first female end of the coupling. A second female end having an interior diameter substantially the same size as the lead in section of the first female end is located adjacent the internal threads, opposite the first female end. A male connecting end of a first connecting drop pipe having external threads is inserted into the lead in section and screwed into the coupling. A male connecting end of a second connecting drop pipe is coated with an adhesive and inserted into the second female end.
The centrifuge has truncated-cone-like separating screen arranged in support basket and held in the bottom thereof by lower flange. Lower flange has notched surface which penetrates into screen. The screen and the basket both have an annular upper edge and an upper flange which is attached to the upper edge of the basket and covers the upper edge of the screen. Finally, the screen is formed by a number of segments attached in pairs by a joint with a T-shaped section.
The centrifuge has truncated-cone-like separating screen arranged in support basket and held in the bottom thereof by lower flange. Lower flange has notched surface which penetrates into screen. The screen and the basket both have an annular upper edge and an upper flange which is attached to the upper edge of the basket and covers the upper edge of the screen. Finally, the screen is formed by a number of segments attached in pairs by a joint with a T-shaped section.
B04B 7/18 - Rotary bowls formed or coated with sieving or filtering elements
B04B 3/00 - Centrifuges with rotary bowls in which solid particles or bodies become separated by centrifugal force and simultaneously sifting or filtering
C13B 30/10 - Washing residual mother liquor from crystals in centrifuges
