U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Quotables

"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."

U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 210/327 - Plural cleaners and plural movable elements


Subclass of Class 210 - Liquid purification or separation
Definition: Apparatus with plural cleaning means.
No. of patents: 58
Last issue date: 02/14/2012


1    
NumberTitleIssue Date
8114290Filter device
A filter device includes a housing (2) having at least two rotation bodies (4,) which are arranged therein and are driven by a shaft (3). The rotation bodies (4) are designed and arranged for producing a centrifugal pumping effect. A guid...
02/14/2012
7364662Scraper 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
7314556Filter disc with panel sectors
A panel sector, for a disc filter for separation of liquids from a suspension, includes front and back filter panel assemblies, a sector assembly for mounting the front and back filter panel assemblies, and a top cap for retaining the filter panel assemblies within ...
01/01/2008
7309366Bag cleaning compressed air nozzle
A process and apparatus for cleaning filter cake from the interior of a baghouse bag. A nozzle through which compressed gas flows is positioned on the interior of a bag such that gas is directed to, and thereby disrupts, the filter cake. The compressed gas flows in ...
12/18/2007
7166229Method and apparatus for extracting liquid present in a humid mass
A system for extracting a liquid by pressing a humid mass, the system including at least one extraction channel, while extraction channel being provided with at least one inlet allowing to feed the extraction channel with the humid mass to be treated; with walls pro...
01/23/2007
7163622Filter
The invention refers to a filter 1 with several rotating filter discs 3 mounted on a shaft 2 and which are provided with a porous filter medium. It is characterized by elastomer elements (8, 8′) being mounted on the shaft (2) as ...
01/16/2007
7125486Device for removing small solids from water in canal
There is disclosed a device for removing small solids from water. The device includes an axle and a plurality of rotational filtering units installed on the axle. While rushed and hence rotated by water and small solids, the rotational filtering units filter the sma...
10/24/2006
7083735High debris content strainer
A high debris content strainer that utilizes a cylindrically-shaped screen having four removal assemblies positioned evenly around the screen periphery. Each removal assembly includes a backwash spray bar on the downstream side of the screen and a scraper/brush and ...
08/01/2006
7029584Rotating filter
A device for filtering liquids comprising two shafts which are parallel to each other or at an acute angle wherein each shaft carries a stack of disks that extend perpendicularly to the shaft axis and are rotated thereby. The disks of one stack are engaged in the in...
04/18/2006
7021089Laundry appliance
A laundry appliance such as a washing machine includes an outer housing and a drum rotatably mounted therein. The drum has an inner wall and an outer wall separate from the inner wall, the inner and outer walls being perforated to allow washing liquid to flow into a...
04/04/2006
6971471Multi-directional drive
A vehicle is capable of being driven in a plurality of forward directions, the direction of travel being a function of the forward-facing orientation of a movable seat or movement of the driver to a different seat. The vehicle includes a frame, at least three wheels...
12/06/2005
6915896Cleaning drain apparatus for an auger assembly
A drain apparatus for the intake end of an auger is disclosed. The drain apparatus comprises a bearing with radial arms, a cover with a cover portion, a drain and a drain cap for removably closing the opening of the drain. The drain apparatus facilitates a clean in ...
07/12/2005
6612445Industrial filter with arrangement for removing machining chips from coolant prior to filtering
An arrangement for removing chips from a machining coolant prior to filtering out the finer solids in a main filter. A coarse weave belt is frictionally driven along a strainer bottom wall of an auxiliary tank suspended above the main filter tank, the per...
09/02/2003
6596166Apparatus for cleaning a filter cloth in a filtering device
Apparatus for cleaning a filter cloth in a filtering device with a rotatable drum having an inlet for the liquid to be filtered. The drum has in its circumferential surface openings through which the liquid to be filtered is conducted in a filtering direc...
07/22/2003
6500331Machine for micro-filtering solid particles suspended in a liquid stream
The invention relates to a machine for micro-filtering solid particles suspended in a liquid stream comprising: a couple of coaxial filtering discs each rotating round its own axis arranged horizontal and normal to direction of the flow to be treated and ...
12/31/2002
5951861Device for filtration and a method for conversion
A device for filtering a liquid substance comprising a container (1) having an inlet (2), a rotor (6), an inner rotor part (7), at least one disc filter (8). Spray nozzles are provided for releasing material filtered away from the substance and deposited ...
09/14/1999
5881887Apparatus called "TSS"-the turbo screening system, for filtering and fractionation of suspensions containing fibres, fibre fragments, fines and other particles
The present invention is directed to an electrolytically produced screening material for the removal of fibers from suspensions during the production of pulp and paper. The screening material is a thin, smooth metal foil having perforations on the order o...
03/16/1999
5814230Apparatus and method for separation of solids from liquid
Method and apparatus are provided for separating coarse and ultrafine solids from a liquid stream to produce a substantially dry solids discharge and a clarified liquid. Apparatus is provided comprising a combination of a settling tank, a plurality of fil...
09/29/1998
5670043Multi-function self-cleaning fluid treatment system and method for using the same
A multi-function fluid treatment system which can filter fluids or diffuse gases into liquids. To achieve filtration, the system includes a housing with multiple filter cartridges therein. The cartridges are connected to a drive system which rotates them ...
09/23/1997
5656162Rotating filter
A rotating filter including a container (11) for a liquid or suspension to be filtered and a rotor structure (17, 21, 22, 25, 26) being provided at its outer periphery with a filter medium arranged in the shape of at least one circular ring (33) having it...
08/12/1997
5587073End supported double drum waste water screen
An interior wedge wire drum screen is mounted wholly within an exterior drum screen of narrower wedge wire spacing, and both are mounted to a frame and caused to rotate about a common central axis. One end of the outer drum is open and the other is closed...
12/24/1996
5505842Filtering apparatus having individual filtrate drains and rod-shaped filters
A filter apparatus comprises a plurality of rod-shaped filter elements disposed within a cylindrical vessel on at least one circular array concentric with the vessel axis, and extending parallel to the vessel axis, said filter elements being mounted in on...
04/09/1996
5433849Double drum waste water screen
An interior wedge wire drum screen is mounted wholly within an exterior drum screen of narrower wedge wire spacing, and both are mounted to a frame and caused to rotate about a common central axis. One end of the outer drum is open and the other is closed...
07/18/1995
5330646Apparatus for filtering liquids
An apparatus for filtering liquids, especially for recovering fibers from white water, includes rotatable filter discs at least partially immersed in the liquid to be filtered, and a shaft wall connected to the discs forming a circular cylindrical filtrat...
07/19/1994
5330645Apparatus for continuously separating solid and liquid fractions of a mixture of solid and liquid fractions
Apparatus for continuously separating a solid fraction from a liquid fraction in a mixture of such fractions has a stationary cylindrical vessel which is filled with the mixture and confines a rotary carrier as well as a battery of parallel disc-shaped fi...
07/19/1994
5316675Rotatable annular hollow disc for filtering liquids
A disc filtering apparatus for filtering liquids, such as fiber pulps suspensions, includes hollow filter discs, each of which has two opposed side walls of filter material. A plurality of circumferentially spaced support arms extend within each hollow fi...
05/31/1994
5296152Apparatus for filtering suspensions and a method of operating the apparatus
A disk filter for filtering mat forming suspensions is provided with a hollow shaft for receiving a flow of fine fraction created by hydrostatic pressure difference between the suspension to be filtered and the fine fraction in the hollow shaft. According...
03/22/1994
5296143Apparatus for filtering liquids
An apparatus for filtering liquids, such as fibre pulp suspensions, includes annular hollow filter discs each of which has two annular liquid pervious, opposed walls covered with filter material, spray nozzle means for cleaning the filter material, and me...
03/22/1994
5227064Filter for continuous filtration
A filter for continuous filtering of a suspension under pressure and/or vacuum comprises a vessel (1) having a center axle (2) on which filter discs (3) are arranged at a distance from each other along the central axle. The filter discs consist of filter ...
07/13/1993
5213685Cycle of filtration for liquids containing solids in suspension and rotary filter suited to realize said cycle of filtration
A cycle of filtration is realized for liquids containing solids in suspension and a rotary filter, suited to realize and cycle, where the filtration is carried out by a rotary drum fitted with a filtering surface (2), immersed in a tank containing the liq...
05/25/1993
5154825Automatic filter press
Disclosed is a filter press comprising a substantially cylindrical vessel, a plurality of filter elements disposed in the vessel parallel to one another, and a rotor having a rotor shaft rotatably mounted in the vessel and a plurality of rotor elements fi...
10/13/1992
5124029Method of and device for fractionating suspensions
A device for fractionating pulp suspensions has a series of vertical filter sheets attached to a horizontal shaft. Suspension is sprayed against the sheets to effect a separation of coarse and fine solids. Cleansing liquid is also sprayed against the shee...
06/23/1992
5116423Apparatus for washing pulp
The present invention relates to a method and an apparatus for washing pulp according to which method the pulp is supplied onto a movable liquid-pervious support surface to form a substantially continuous layer; and washing liquid is supplied to the pulp ...
05/26/1992
5032270Thickener
A filter for thickening fiber suspensions or other liquids containing solid material includes a plurality of rotatable filter disks (3) mutually spaced in axial direction and adapted to be partially submerged in a liquid (5) to be filtered. Each filter di...
07/16/1991
4999104Disk-type decker
In a disk-type decker that is employed to drain suspensions and that has axially distributed suspension chambers and filtrate chambers that are separated by rotating screen disks and open into a stationary tub, the filtrate chambers are evacuated to incre...
03/12/1991
4975189Cleaning sprays for disc filters
In rotating disc filters used for example in the pulp and paper industry, one or more spray elements are positioned between adjacent discs to rotate about an axis parallel to the disc axis. This arrangement achieves greater washing coverage of the discs t...
12/04/1990
4956088Method and apparatus for pressurized dewatering
A filtering method in which an object to be filtered and dewatered is brought through a finely porous suction face saturated with liquid, into hydraulic connection with a liquid situated under a negative pressure relative to the object to be dewatered. Th...
09/11/1990
4943372Method and apparatus of discharging a disc filter
The present invention relates to a method and apparatus for discharging a disc filter. The method and apparatus are excellent for handling fiber suspensions in the pulp and paper industry. In earlier known means, the filter cake thickened on the filter su...
07/24/1990
4925576Continuous discharge centrifuge
A continuous discharge centrifuge can separate a slurry into a solid and liquid portion. The centrifuge has a housing and a rotor mounted in the housing to spin at a predetermined rate. The centrifuge has a spaced plurality of filters peripherally mounted...
05/15/1990
4919158Method and apparatus for washing pulp
The present invention relates to a method and an apparatus for washing pulp according to which method the pulp is supplied onto a movable liquid-pervious support surface (2) to form a substantially continuous layer (7); and washing liquid is supplied to t...
04/24/1990
1    
 
Sign InRegister
Username  
Password   
forgot password?