Class 210/329 - Relatively movable

Subclass of Class 210 - Liquid purification or separation
Definition: Apparatus in which at least one filter and its support moves
No. of patents: 37
Last issue date: 04/29/2008

Number	Title	Issue Date
7364662	Scraper adjustment mechanism and method A scraper adjustment mechanism and method for a filter that permits an operator to adjust the distance between the scraper and a filter surface without the need to have access to the filter/scraper interface, or fasteners within the filter. ...	04/29/2008
7360611	Flow system for a hydraulic choke solids strainer A strainer system having two separate strainers positioned in parallel, where one strainer can be cleaned while still permitting normal flow through the other strainer. The system flow circuit is arranged so that a high pressure backwashing flow can be applied to on...	04/22/2008
7275606	Solids strainer system for a hydraulic choke The invention contemplates a strainer based upon a four-way, two-position rotary cylindrical plug valve having a hollow plug. The normal entry port for the sealing plug of the plug valve is a circular radial hole passing from the exterior of the plug into the interi...	10/02/2007
7182868	Device for filtering fluid substances, used for a meat materials injecting machine An apparatus for filtering fluid substances is used with a machine for injecting meat products. The device comprises a container (4) comprising filter units (3a, 3b) communicated independently with a suction outlet (6) throu...	02/27/2007
7152522	Screw press with radial gate valve and supported screw shaft A screw press is provided having a radial gate valve and supported longitudinally-extending screw shaft. The screw shaft includes a central shaft and helical threads which is driven by a drive package. The screw shaft is encapsulated within a housing including a hop...	12/26/2006
7083324	Integrated fixed film activated sludge system using gravity assisted mixing A beam is pivotally supported at a fixed pivot support, the beam movable in cyclic tilting motion such that ends of the beam move vertically in mutually opposing directions. The ends of the beam are pivotally engaged with vertical arms extending downwardly. The arms...	08/01/2006
6959817	Cooling makeup water intake cartridge filter for industry An industrial, e.g. power plant cooling, water extraction framed cartridge filter system is disclosed with a holed fabric type medium to filter debris from the power plant cooling water. The fabric type filter medium is comprised a one or more strength meshes of nyl...	11/01/2005
6596164	Rotary flat membrane separation apparatus The rotary flat membrane separation apparatus comprises: a plurality of hollow rotary shafts; a plurality of rotary flat membrane disks mounted on each of the plurality of hollow rotary shafts at regular intervals, the plurality of rotary flat membrane di...	07/22/2003
6558545	System for cross-flow permeation by means of a membrane The invention encompasses a system for the cross flow filtration of fluid media using membranes. The system has in a first embodiment two shafts, only one of which is hollow, with each shaft running through an axis of its given disc. The disc of each shaf...	05/06/2003
6540913	Filter apparatus having a maintaining device for centering a stack of filtration disks A maintaining device for a filter medium having a stack of filtration disks presenting a central aperture, characterized in that it comprises a first flange with at least one central opening, a second flange and at least one perforated first central eleme...	04/01/2003
6533934	Filter-replacement cassette A filter-replacement cassette for an extruder. A housing (1) has at least one bore. The bores (2 & 3) extend above and below and at a right angle to the horizontally flowing plastic. A cartridge (4 or 5) that accommodates a replaceable filter (5) slides b...	03/18/2003
6419842	Method and installation for separating solids contents from a pulp For separating solids contents from a pulp, the pulp is concentrated in a filter device by intense movement up to a predetermined solid matter content. In the filter device, the dynamic pressure and Venturi effects are utilized to support the filtering pr...	07/16/2002
6296764	Apparatus for mixing and separating particulate matter from a fluid An apparatus for simultaneously processing a plural number of samples, each of the samples including a fluid containing particulate matter. The apparatus is useful in cytology to collect a uniform monolayer of cells from a biological fluid. Each of a plur...	10/02/2001
6251268	Filtering apparatus The invention relates to a filtering apparatus for removing matter and bodies accompanying a liquid flow. The filtering apparatus includes a number of individual filter elements disposed to be displaced in an endless path. The endless path is formed by on...	06/26/2001
5728267	Concentrator for separating small samples in a centrifuge A concentrator for concentrating a sample solution including molecules in solution which are larger than their molecular weight cutoff of a membrane in the concentrator. The concentrator has a sample reservoir which includes a bottom floor having an annul...	03/17/1998
5482626	Analytical liquid test sample filtration apparatus A liquid sample filtration apparatus includes: a) a module retaining filter elements; b) a filter clamping and fluid injection apparatus positioned relative to the module to engage a filter element thereon, and includes a pair of first and second opposing...	01/09/1996
5387339	High efficiency liquid filtration system and method for using the same A high efficiency, self-cleaning system for separating solid materials from liquids. The system includes a primary housing having at least one inlet and a plurality of cylindrical filter cartridges therein which are directly adjacent to and in close proxi...	02/07/1995
5194160	Fluid strainer and method of converting the same between motorized and manual modes with pressure-sensitive switch An improved fluid-strainer is provided which makes provision for improved methods of converting the same between motorized and manual modes. Included in the fluid strainer is a gear motor housing for facilitating the conversion as well as inspection and r...	03/16/1993
5167805	Pool skimmer A pool skimmer of the invention includes a pair of rectangular frames hinged together along adjacent first short frame members by a plastic hinge member extending substantially the length of the short frame members, a pair of poles attached at an intermed...	12/01/1992
5160428	Continuous filter press The device is the dual functional filter of the slurry, scraping of the filtered cake, compression the scraped cake and discharging the compressed cake, continuously. The device is composed of both the filter part and the cake compression part. While the ...	11/03/1992
5076919	Self-cleaning vacuum filter with relatively moveable surfaces for recovering oil from beaches A self-cleaning vacuum head is disclosed which has the ability to discriminate between particles of different size, or the ability to separate fluids from particulate matter. The invention has two relatively moving surfaces which provide a changing locus ...	12/31/1991
5032267	Apparatus for filtering a heat-softened stream of plastic material In the filtering apparatus for an extrusion machine, a stream of heat-softened plastic material arrives via a flow conduit in a filter housing at an outlet, and thereby permeates replaceable filter means which are carried by a slide which is temporarily s...	07/16/1991
5021158	Process and apparatus for the separation of mixtures of substances Process and apparatus for the separation of mixtures of substances by means of centrifugal forces, particularly for the filtration and/or sedimentation of solids from suspensions, wherein the material mixture is rotated in a cake-forming chamber until a c...	06/04/1991
4849113	Continuous polymer filter An improved continuous polymer filter of the screen belt type employs a valve arrangement to selectively apportion the extruder output flow through at least two filter paths. In the neutral valve position both filter paths receive polymer at equal flow ra...	07/18/1989
4790934	Apparatus for filtering fluid medium An apparatus for filtering a fluid medium has a sealed ring-shaped body in the interior of which is movably mounted a flexible filtering member having a toroidal shape. Slide valves divide the interior of the body into two portions, one of which receives ...	12/13/1988
4752386	Filter apparatus having filter elements shiftable between filtering and backwashing positions A filter apparatus, particularly for filtering extruded thermoplastic synthetic plastics material, has a housing, within which two carrier members are shiftably arranged, each of which carries a sieve means consisting of two filter sieves. The material to...	06/21/1988
4714552	In-line fluid filtering devices and disc-filters useful in such devices A filter device is disclosed, comprising two compartments within a housing. The first compartment includes a filter element, of the screen or the disc types, with communication to the filtered fluid outlet of the housing. A controllable valve communicates...	12/22/1987
4468322	Slide plate screen changer A slide plate screen changer has a housing defining a material flow passage and a transverse slide plate passage in which is mounted a movable screen plate. Seal rings on the upstream and downstream sides respectively of the screen plate prevent leakage o...	08/28/1984
4395331	Apparatus for pressing liquid out of material containing liquid An apparatus for pressing liquid out of suspensions containing liquid, comprising a screw feeder (5) adapted to feed the suspensions towards a dewatering zone (2) in which there are disposed two converging endless filter members (20, 21) adapted to be dri...	07/26/1983
4347137	Apparatus for consolidation of slurries of solid particulate materials An apparatus for removing liquid from a slurry of solid particulate material and for consolidating said solid material into a shape-retaining slug is disclosed which comprises (a) a cylindrical consolidation chamber in which the slurry is to be consolidat...	08/31/1982
4268391	Leak proof filter plate system for slide plate filters A slide-plate filter apparatus particularly for plastic stock under pressure in which rigid filter plate sections carrying corresponding sections of filter media are fed in a continuing sequence across the flow path of the plastic stock is provided with o...	05/19/1981
4124507	Reciprocating vacuum filter A filtering apparatus with hollow filters that are alternately placed under reduced pressure and positive pressure. The filters are reciprocally rotated through a cycle along a 180° arcuate path from immersion in the unfiltered liquid to a discharge stat...	11/07/1978
4088580	Cluster screen for sand control Apparatus for separating particulate matter from a flowing fluid which, for example, may be sand entrained in a flowing stream of oil and gas, comprises an assembly including a plurality of small diameter tubular elements, the walls of which have a select...	05/09/1978
4082657	Separator apparatus A new and improved separating device for separating particulate from a fluid stream including a plurality of screen units which are releasably held in a screen unit mounting assembly by inflatable tubes; the screen unit angular position is adjustable by a...	04/04/1978
4059525	Slide filters A slide filter for filtering plastic stock and other materials having a slide plate movable within a housing, across the path of material flow. The housing contains sealing means to prevent leakage of the material to the outside of the housing. The slide ...	11/22/1977
4048074	Apparatus for separating solids from liquids or gas To separate solid particles from liquids or gas, the liquid or the gas is passed through a coil, formed from one or more threads wound on a carrier. After subsequent washing and drying, the solid which has been filtered out during the filtration process i...	09/13/1977
3962092	Screen changer A simplified screen changer is provided which is particularly suitable for the extrusion of synthetic resinous thermoplastics. Screens are supported in a recessed movable plate. The screen on the upstream side is sealed against leakage by means of an extr...	06/08/1976

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Class 210/329 - Relatively movable