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Match Document Document Title
8753506 Apparatus for filtering sewage and wastewater  
Disclosed herein is an apparatus for filtering sewage and wastewater. The filtering apparatus has a vertical structure including a filtering belt comprising a filter bag or a filter mesh that can...
8591746 Screening device for supplying water to an industrial installation  
A screening installation includes, provided in a flume (5) conveying a fluid flowing with a total flow QE: a screening device (10) including a screen which includes at least one filter member in...
8500997 Screening grid  
A screening grid for discharging solids from a liquid flow. The grid includes a driveable screening strip that can be inserted into the liquid flow and includes two lateral link chains between...
8128812 Floating materials removal system  
This invention comprises a main rotating removal screen that catches floating materials such as big jellyfishes, wood chips, waste plastics and other things floating in water by endless rotation...
8092674 Traveling band screen machine  
A traveling band screen machine (1) is proposed with a careful fish return. To this end, the screen panels (4) each have a fish lifting channel (26) in which fishes (28) in a liquid-filled...
7776212 Water screen system with boot seal  
A boot seal for a vertically traveling water screen and a method forming a boot seal. The boot seal comprises a bent plate that extends from an attachment end to a free end. The attachment end is...
7771589 Screen blockage measurement and flow performance optimization system  
An apparatus and method are provided that enable the control of a screening operation based on a calculated screen blockage percentage and the velocity throughput of the screen. The apparatus...
7722762 Horizontally traveling water screen  
A horizontally traveling water screen for filtering debris from a wide flowing stream. The water screen, which may be realized by a foraminous modular plastic conveyor belt, is formed in an...
7575674 Rotary bar screen device  
Provided is a rotary bar screen device. The device includes a driving motor, an up/down pair of driving and driven sprockets, left and right transfer chains, a plurality of screen buckets, a...
7510650 Perforated plate element screen with sealed element design  
A filtering device suitable for filtering a flow of fluid in a channel includes a plurality of filter elements coupled to one another to define a filter loop. The filter loop is configured to...
7393451 Water screen system with compressible boot seal  
A compressible boot seal for sealing the side of a vertical traveling water screen with flights. The boot seal is formed by a U-shaped, bent nylon plate having a bottom base that resides in the...
7364652 Screening apparatus  
Screening apparatus (101,901) for use at an overflow weir (301, 902) in a sewerage system. The apparatus comprises a continuous moving screen band (201, 902) and a band cleaning mechanism (608). A...
7344638 Filter grid assembly  
A filter apparatus separates fine particles such as pine needles, threads, hairs and seeds from a liquid influent. A rotating grid assembly has multiple grid sections mounted by top-to-bottom...
7326335 Apparatus for removing solids from water in canal  
There is disclosed an apparatus for removing solids from water in a canal during or immediately after a rainstorm. The apparatus includes a plurality of filters and a carrier. The filters filter...
7326336 Water intake rotary screen  
The water intake rotary screen comprises a mobile filter designed as an endless loop formed of a succession of flexible and articulated filter panels. It is associated with a suction system...
7300572 Water screen  
A traveling water screen comprising an endless foraminous belt with flights. The foraminous belt forms a water screen extending from a lower end in a flowing stream to an upper end above the...
7232036 Waste collection system for separating liquid waste from solid waste  
According to one aspect of the invention, there is provided a waste collection system for separating liquid waste from solid waste which includes a conveyor having an upper conveyor roller, a...
7135109 Filter screen assembly  
A fine filter screen assembly includes a frame assembly and a rotatable shaft supported in the frame. A drive is configured to controllably rotate the shaft and at least one drive drum is...
7014754 Tilt-out frame for a filter screen  
A filter screen that is used in filtering water and that includes a frame and a grid assembly that is supported by the frame for movement. The grid assembly includes a continuous unbroken drive...
6994785 Removable grid for filter element screens  
A fine filter screen assembly comprising a length of filter screen having a relatively fine filtering surface and terminating at opposite ends with opposed end shafts. Generally open connecting...
6733663 Waste water treatment washer compactor system  
A wastewater treatment washer compactor system having in-channel motorized screen for installation in an influent channel and removal of screenings from the influent stream; at least one washer...
6719898 Sieving device  
The invention relates to a sieving device for mechanically separating and extracting solid bodies or solid matter from a liquid current, in particular, to sieve gratings for process or effluent...
6426009 Travelling screen with travel pause for improved cleaning of screen and method of implementing same  
A travelling screen and screening method minimize reintroducing debris to liquid downstream of a screen while achieving the relatively high efficiency of fixed bar screens. A filter surface is...
6294085 Sewage screening apparatus  
A sewage screening apparatus which receives, in use, a sewage flow comprising a screen arrangement having a continuous belt screen for capturing screenings contained within the sewage flow to...
6280612 Revolving screening rack, supporting frame for a revolving screening rack and a control shackle of a screening element  
The invention relates to a revolving screening rack with a driveable endless screening belt formed by a plurality of screening elements which in each case have a plurality of elongate plates...
6267880 Mechanical screen, in particular filter apron of a chain filter  
A mechanical screen employs at least one filter chamber which includes a chassis in the form of a frame and a filter panel disposed transversely in the opening of the chassis and appropriately...
6187184 Traveling water screen having improved basket  
A basket for a traveling water screen which includes a top rail with a pair of spaced apart end members at opposite ends of the top rail which are joined to the top rail. A water screen extends...
5993651 Water influent particle removing apparatus  
An endless screen lifts fecal matter and sewer influent debris from an influent channel. The endless screen is powered by an externally positioned air cylinder driving a pawl and rachet to move...
5919358 Continuous-belt drilling mud separation system  
A continuous-belt drilling mud separation unit is removably mounted in a box-like housing disposed in the flow path of drilling mud or drilling fluids and is operated by a motor on the housing....
5800701 Apparatus, components and a method for the filtering of liquid  
An endless filter chain for filtering a liquid, such as sewage, which flows along a drainage duct is provided. The filter chain comprises strainer elements and connecting links interconnected to...
5788839 Traveling self-cleaning fish screen  
A traveling water and fish screen device is provided for separating debris from channels of flowing of water. The device includes a carriage that is placed in the water flow and a screen mounted...
5676829 Screen  
A screen assembly is described which comprises a flow channel along which sewage is intended to flow, in use, a continuous flexible belt entrained around roller or wheel means and projecting into...
5641398 Device for removing screened material from a liquid flowing in a flume  
A device for removing floating and suspended debris from a liquid flow passed through a liquid flow flume (3) is disclosed, the device including a separator (9) positioned within the liquid flow...
5618415 Method for removing debris from a free flowing water system  
A method for removing debris from a free flowing water system (100) using an improved filter apparatus (10) is described. The apparatus includes a rail (12) which is mounted adjacent the water...
5573659 Filter apparatus  
An improved filter apparatus (10) for removing debris from a free flowing water system (100) is described. The apparatus includes a rail (12) which is mounted adjacent the water supply intake...
5565093 Conveyor-band filter apparatus  
Conveyor-band filter apparatuses, so-called Paternoster filter rakes, which serve primarily for the mechanical cleansing of flowing sewage, are to be made capable by the invention of removing not...
5551137 Method for assembling waste materials filtering apparatus  
A method for assembling an apparatus that removes solid waste material from a stream of water. The apparatus sits in a channel within which the water containing waste material flows. A plurality...
5501793 Traveling water screen including improved basket  
A traveling water screen including a basket having an upper lip beam and a lower lip beam, the lower lip beam including an elongated upwardly opening channel upstream of the water screen, the...
5489378 Differential relief mechanism for a traveling water screen  
A water pressure relief apparatus in a traveling water screen adapted to be mounted in a channel such that the traveling water screen filters water flowing through the channel. The channel...
5468376 Pressure sealed chain  
A sealed roller assembly (10) for hingeably connecting pairs of link plates (34) to form a chain (11), comprises a roller (12), a bushing (14) rotably mounted inside the roller (12), and a pin...
5419832 Guide lock for a traveling water screen  
An apparatus for securing a traveling water screen in a channel, the channel having a sidewall and a vertically extending groove in the sidewall. The traveling water screen includes a frame...
5415766 Traveling water screen including boot seal  
A traveling water screen for screening debris from water flowing in a downstream direction through a channel, the traveling water screen including a sealing flexible membrane between the train of...
5387337 Screening apparatus  
An apparatus for separating solids from liquids including an endless rotatably mounted band of collecting arms for collecting screened solid material, each of the collecting arms having a leading...
5387336 Screening rake  
The invention concerns a screening rake for removing solids from flowing sewage, the rake having a driven screening belt which can be immersed in the sewage and which has two lateral chains. A...
5333801 Rotary screen diverter and solid waste handling system using same  
A solid waste handling system for screening and grinding solids entrained in an influent liquid stream flowing within a chute between laterally spaced vertical sidewalls utilizes at least one...
5326460 Pretensioned mesh insert and method for producing a pretensioned mesh insert  
The invention includes a pretensioned mesh insert and method for providing a pretensioned mesh insert for a traveling water screen basket. First and second mated screen panels are secured together...
5300221 Filter arrangement  
The filter arrangement is provided with a filter in the form of an endless conveyor which is releasably mounted within a transport chute through which a flow of water can be directed. The filter...
5256290 Coolant filtration unit with sludge dryer  
A unit for cleaning liquid contaminated with solids, including a housing having a tank section defining a compartment in which contaminated liquid is deposited. The solid contaminants tend to...
5242583 Wire screen clamp  
A clamp or clamping member for securing a screen to a support, the clamp having a clamping face adapted to engage the screen and an opposite face, opposite sides and opposite ends. The junction...
5102536 Self-cleaning water filter screen apparatus  
An apparatus is described which separates small solids from process waste water. A continuously rotating elongated drum screen having a large diameter interior flow channel removes the solids. The...

Matches 1 - 50 out of 89 1 2 >