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Patent No. 5787895

Kissing Shield

A kissing shield comprised of a thin, flexible membrane and a frame or holder.

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Class 209/732 - Including specific overflow discharge feature (e.g., adjustable vortex finder, shape, size, etc.)


Subclass of Class 209 - Classifying, separating, and assorting solids
Definition: Methods and apparatus having details of the passage formation
No. of patents: 69
Last issue date: 01/31/2012


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NumberTitleIssue Date
8104622Cyclone separator having an inlet head
A cyclone structured for separating feed material having mixtures of differently sized material, the cyclone having a separating section and an inlet head having a feed inlet zone, wherein the feed inlet zone has a volute axis and adjacent sectors in which the volut...
01/31/2012
7434696Inlet head for a cyclone separator
An inlet head for a cyclone, the inlet head including a feed chamber therein having an inner side wall, an end wall at one end of the side wall, an open end at the other end of the side wall, the open end being of circular cross-section with a central axis. The inle...
10/14/2008
7347332Cyclone having a vibration mechanism
A cyclone for classifying materials has at least one vibrator attached to the downwardly tapering conical housing thereof to set up vibrations which interrupt the normal flow pattern of the downwardly swirling slurry of materials so that some of the smaller particle...
03/25/2008
7306730Cyclone-type separator for separating foreign matters by utilizing a centrifugal force
A cyclone-type separator comprises a hollow cylindrical main body in to which liquid containing foreign matter is introduced, a clean room provided in an upper end of the main body, a communication pipe which connects the clean room to an interior of the main body, ...
12/11/2007
7267232Flotation device and method of froth flotation
An apparatus for froth flotation including a flotation vessel including a side wall and a bottom wall that includes a fluid drain, and a mixing eductor inside the vessel disposed to impart net rotational force to contents of the vessel about an axis; and a method of...
09/11/2007
7255790Hydrocyclones
A hydrocyclone which includes a main body having a chamber therein, the chamber including an inlet section, and a separating section, the separating section having an inner side wall which tapers inwardly away from the inlet section, the hydrocyclone further includi...
08/14/2007
7214257Plant for cleaning and degassing a fibrous suspension
Plant and process for cleaning and degassing a fibrous suspension. The plant includes a plurality of hydrocyclones, in which each hydrocyclone includes an intake connection, an accepts connection, and a rejects connection and at least two supply lines for feeding li...
05/08/2007
7153419Liquid treating device
A liquid treating device without any restrictions for a sludge discharge device set above a liquid tank is provided. A cyclone separator adapted to swirl liquid to subject sludge to centrifugal separation from the liquid and precipitate the sludge is connected to th...
12/26/2006
7108136Pneumatic flotation separation device
A separating device (10) especially for use in a pneumatic flotation system comprises an annular channel (18), at least one nozzle (16) for introducing aerated pulp substantially horizontally and tangentially into the annular channel (18)...
09/19/2006
6993857Milling and drying apparatus incorporating a cyclone
A cyclone which includes an upper cylindrical portion opening into the wider end of a lower frustro-conical portion, with a primary air inlet such that the inlet air is substantially tangential to the circumference of the cyclone, and an exhaust outlet at or adjacen...
02/07/2006
6962199Method for removing condensables from a natural gas stream, at a wellhead, downstream of the wellhead choke
The present invention relates to a method for removing condensables from a natural gas stream, at a wellhead, downstream of the wellhead choke thereof. In accordance with the invention there is provided a method for removing condensables from a natural gas stream at...
11/08/2005
6958107Cyclonic evaporator
A method and apparatus for separating the components of a feed material prior to or simultaneously with at least partially vaporizing one of the components is described. The apparatus comprises at least one inlet (8) for admitting the feed material (10...
10/25/2005
6918494Hydrocyclone separator packaging
An arrangement of hydrocyclones, resulting in a greater density of hydrocyclones packaged in a given volume. One or more overflow extensions is secured to the overflow portions of one or more hydrocyclones to permit individual hydrocyclones to be placed into an axia...
07/19/2005
6596169Cyclone
Disclosed is dense medium cyclone for separating particles of varying sizes from within a fluid stream. The particles to be separated are entrained within the fluid stream. The fluid stream is then introduced into a cyclone that includes a body and a side...
07/22/2003
6530484Dense medium cyclone separator
The invention provides a cyclone adapted for use in a dense medium separation process comprising an inlet chamber having a tangential raw material feed inlet, a vortex finder extending into the inlet chamber, and defining a low gravity fraction outlet for...
03/11/2003
6461499Hydrocyclone with removal of misplaced coarse fraction in overflow
A hydrocyclone has an inlet head, one or more chambers located beneath the inlet head and terminating in an underflow outlet, a vortex finder located within the inlet head, and an overflow outlet connected to the vortex finder. The overflow outlet has a p...
10/08/2002
6398969Hydrocyclone and process for removing foreign substances from a liquid
Hydrocyclone and process for removing foreign substances from a liquid to be cleaned. The hydrocyclone includes at least one inlet for the liquid to be cleaned, at least one accepted stock outlet for the cleaned liquid, and at least one reject opening for...
06/04/2002
6398973Cyclone separator
A cyclone separator has an inlet chamber 52 and an outlet chamber 53, means 51 for introducing a fluid mixture into the inlet chamber so that it swirls around the chamber and passes to the outlet chamber in which it swirls about an outlet chamber axis, th...
06/04/2002
6190543Cyclonic separator
A cyclonic separator for separating fluids of differing densities comprises a first chamber having a vortex finder and a core member. The vane is arranged co-axial with and adjacent the internal surface of the vortex finder to increase the rotational velo...
02/20/2001
6129217Hydrocyclone and separator assemblies utilizing hydrocyclones
Hydrocyclones for use in separator assemblies, which have stationary wall members or at least one removable wall member and contain a plurality of hydrocyclones, include a tubular body having an under flow end and an overflow end. The hydrocyclone has an ...
10/10/2000
6036028Apparatus for separating off light materials from sand and gravel
An apparatus for separating out light materials from mineral raw materials is provided. The apparatus includes a charging device that has a charging tube provided with an eccentrically arranged inlet for tangential introduction of raw material. The appara...
03/14/2000
6024874Hydrocyclone separator
A hydrocyclone separator (10) has an outer housing (12) including an upper housing portion (14) and a lower housing portion (16). Upper housing portion (14) has a cylindrical chamber (22) and an involuted entrance (20) to cylindrical chamber (22). A vorte...
02/15/2000
5980639Hydrocyclones and associated separator assemblies
Hydrocyclones and separator assemblies a wherein the hydrocyclones installed in the separator assemblies by a push fit and are under no lateral tensile or compressive stress. The body has an interior defined by an axially-extending frusto-conical separati...
11/09/1999
5938926Extended dwell reverse hydrocyclone cleaner
A reverse hydrocyclone cleaner (10) for the centrifugal separation of lightweight contaminants contained in a suspension of papermaking fibers is formed with an elongated hollow body (12) of circular cross section which converges uniformly from a first in...
08/17/1999
5858237Hydrocyclone for separating immiscible fluids and removing suspended solids
The invention relates to a cyclone separator for separating oil and water and removing suspended solids. It comprises a generally cylindrical first portion with an open end and a closed end. A generally axial overflow outlet is provided in the closed end ...
01/12/1999
5855769Apparatus and method for selective separation of hydrophobic material
Hydrophobic material is selectively separated from an aqueous feed by forming gas bubbles in a flow of the feed, forming hydrophobic material/gas bubbles aggregates by motionless mixing and separating the aggregates as a froth by use of centrifugal action...
01/05/1999
5819955Hydrocyclone separators
A hydrocyclone separator and components for use in such separator. The hydrocyclone separator includes an axial feed inlet (1). The feed inlet (1) may further contain an outlet orifice (4) surrounded by a plurality of flexible sectors (5) which are, in tu...
10/13/1998
5728262Method and apparatus for removing neutral buoyancy contaminants from acellulosic pulp
An asymmetric hydrocyclone is modified and controlled so as to effectively remove contaminants of substantially neutral buoyancy from a paper cellulosic pulp. More specifically, a method includes prepositioning a substantially frusto-conically-shaped sepa...
03/17/1998
5693225Downhole fluid separation system
A downhole fluid separation system is used with submergible pumping systems to separate downhole fluids into different density fluids, recover the lighter fluids to the earth's surface, and dispose the heavier fluids downhole. The fluid separation system ...
12/02/1997
5667687Cyclone
A cyclone having a deblocking device comprising a rod relatively moveable into or out of an orifice to dislodge any solid matter therein. The rod may be provided with a formation to enhance the dislodgement....
09/16/1997
5587078Centrifugal cleaner
A centrifugal cleaner is constructed so that its efficiency is less sensitive to consistency changes of the feed slurry, and so that it can operate at a higher consistency than conventional cleaners, yet optimizes separation efficiency. This is accomplish...
12/24/1996
5478484Apparatus and method including a hydrocyclone separator in combination with a tubular filter
A separator comprises a cyclone for removing more dense particles e.g. sand and a filter for removing less dense particles e.g. organic material from a liquid e.g. water. The arrangement is such that the filter experiences a shearing/scouring force which ...
12/26/1995
5466372Cyclone including an inlet diffuser tube
A wet cyclone having a slender body with a truncated cone at an end thereof includes a heavy fraction outlet at an apex of the truncated cone and an immersion tube on the other end of the body. The immersion tube is cylindrical for withdrawal of a light n...
11/14/1995
5340481Dense media processing cyclone
Raw coal, in slurry form, is fed to a dense media cyclone, entering tangentially into the cyclone. Three major forces act on the solid particles as they travel radially and helically inside the cyclone body, forcing the heavier particles toward the wall o...
08/23/1994
5336410Three chamber vessel for hydrocyclone separator
The present invention relates to a hydrocyclone apparatus which is simple in design, more space efficient, and easier to maintain than prior art designs. The invention comprises a three chamber vessel wherein the inlet chamber is between the outlet and ov...
08/09/1994
5240115Field adjustable hydrocyclone
An improved hydrocyclone and method of operating for centrifugal cleaning of pulp for papermaking wherein the hydrocyclone has a plurality of inserts each with openings of different sizes for selectively and interchangeably inserting into a stock entry op...
08/31/1993
5234111Flotation machine
A flotation machine including a cylindrical chamber having a tapered bottom to which there are secured a pipe for feeding a flotation pulp carrying mineral particles of fine fraction and a pipe for discharging gangue. Secured to the walls of the chamber i...
08/10/1993
5194150Three chamber vessel for hydrocyclone separator
The invention provides a highly space efficient solution to designing hydrocyclone vessels and the liners that are used therein. Moreover, the invention reduces the maintenance requirements for the vessels by providing the liners as units which are preass...
03/16/1993
5180493Rotating hydrocyclone separator with turbulence shield
Rotating hydrocyclone having an elongated cylinder with a side wall defining a separation chamber. A stationary inlet introduces a mixture of immiscible fluids into the chamber at high velocity in a tangential direction so that the mixture rotates about t...
01/19/1993
5133861Hydricyclone separator with turbulence shield
Hydrocyclone separator for separating liquids of different densities such as oil and water. The separator has an axially elongated chamber, a feed inlet for introducing liquid into the chamber at high velocity in a tangential directionso that the liquid r...
07/28/1992
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