Quotables
"That’s an amazing invention, but who would ever want to use one of them?"
President Rutherford B. Hayes ; Said in 1876, after Alexander Graham Bell demonstrated the telephone to him at the White House
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.
| Number | Title | Issue Date |
| 7429327 | Clarifying tank Methods and apparatus for separating solid particles from a fluid. One preferred embodiment includes a tank for settling particles out of the fluid, a conical chamber at the bottom of the tank, an outlet connected to conical chamber, and a conical auger within the c... | 09/30/2008 |
| 7413669 | Separator for liquids and/or multiphase fluids A separator including a conical member having a base; a substantially cylindrical member extending from the base; a separator inlet for introducing liquid to be separated into the conical member in a substantially tangential direction with respect to a sidewall of t... | 08/19/2008 |
| 7267232 | Flotation 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 |
| 7241393 | Method and apparatus for separating solids from a slurry Method and apparatus for separating components of a slurry comprising solid particles and liquid components, particularly where the slurry is under pressure. The components are separated in a hydrocyclone such that a solids-enriched slurry exits the separator via an... | 07/10/2007 |
| 7108136 | Pneumatic 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 |
| 6918494 | Hydrocyclone 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 |
| 6849182 | Hydrocyclone having unconstrained vortex breaker A hydrocyclone having a flat lower plate 14 contains a tube or rod 22 placed unconstrained within the body 10. The tube or rod 22 acts as a vortex breaker, reducing the rate at which air is introduced through the center of the vortex at t... | 02/01/2005 |
| 6837990 | Vacuum cyclone for off-loading shrimp and other small seafood A new vacuum cyclone seafood collection retainer is disclosed. Two men easily assemble this new cyclone collection retainer, made in portable sections, and the sections can be rotated for best orientation of the hose connections. This vacuum cyclone facilitates the ... | 01/04/2005 |
| 6793814 | Clarifying tank Methods and apparatus for separating solid particles from a fluid. One preferred embodiment includes a tank for settling particles out of the fluid, a conical chamber at the bottom of the tank, an outlet connected to conical chamber, and a conical auger within the c... | 09/21/2004 |
| 6758343 | Dual hydro-cyclone with water injection The main technical problem with Dual Cyclones with Water Injection used as classifiers in grinding circuits is that they do not allow for control and regulation of the input velocity ratio between the first and second cyclone as well as the high pressure required at... | 07/06/2004 |
| 6596169 | Cyclone 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 |
| 6544416 | Systems and methods for separating solids from a fluid environment A system and method for separating solids from a fluid environment is provided. The system includes a device having housing with a substantially cylindrical upper portion and a substantially conical lower portion. The device also includes a chamber at an ... | 04/08/2003 |
| 6530484 | Dense 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 |
| 6398969 | Hydrocyclone 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 |
| 6238579 | Device for separating solid particles in a fluid stream The present invention provides for discharge (exit) ports for exit fluid flow disposed at or adjacent to one another on one end of a vortex separating body; an inlet port(s) disposed at one end of a separating body having discharge (exit) ports for exit f... | 05/29/2001 |
| 6190543 | Cyclonic 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 |
| 6143175 | Injection of a solids-laden water stream into a centrifugal separator A centrifugal separator comprising a separation barrel with an upper end, a lower end, a central axis, and an internal circularly cylindrical axially extending wall forming a separation chamber, a collection chamber adjacent to the lower end, a spin plate... | 11/07/2000 |
| 6129217 | Hydrocyclone 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 |
| 6109451 | Through-flow hydrocyclone and three-way cleaner The conventional infeed head and inverted cone of a Uniflow cleaner are connected by a generally cylindrical channel dam segment which has an annular inwardly extending channel dam. The narrow end of the inverted cone is connected to a separation body thr... | 08/29/2000 |
| 6036028 | Apparatus 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 |
| 6024874 | Hydrocyclone 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 |
| 5965021 | Hydrocyclone There is provided a hydrocyclone which operates on a relatively low pressure differential and on a linear flow principle. The hydrocyclone comprises an inlet chamber with a vortex creating a spiral insert therein, which inlet chamber opens in to a frustoc... | 10/12/1999 |
| 5934484 | Channeling dam for centrifugal cleaner The centrifugal cleaner of this invention is of the type having an inverted cylindrical cone, with a tangential inlet at the top and an outlet at the bottom. The improvement consists of placing a ring or flow smoothing means on the inside surface of the c... | 08/10/1999 |
| 5916446 | Process and apparatus for the separation of solid matter via flotation Process and apparatus for the separation of solid matter via flotation. The flotation process for the separation of solid matter from a suspension takes place via the utilization of centrifugal forces wherein the suspension is brought into rotation in a s... | 06/29/1999 |
| 5728262 | Method 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 |
| 5725104 | Valve construction for high density pulp cleaner An improved dump valve construction for a high density cellulosic pulp cleaner. The cleaner comprises an upper separating chamber and a lower reject chamber which communicates with the lower end of the separating chamber. Cellulosic pulp is pumped tangent... | 03/10/1998 |
| 5693225 | Downhole 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 |
| 5662790 | Air contactor with foam separation vessel system A deinking system for use with recycled paper pulp includes a number of gas sparged hydrocyclones mounted around the outer periphery of a foam separation vessel, with the slurry outlet from each hydrocyclone introducing slurry into the vessel below the le... | 09/02/1997 |
| 5653347 | Cyclone separator A cyclone separator for separating substances from a fibre-liquid-suspension, particularly a paper pulp suspension, wherein the separator has a main part (3) which includes an inner conical chamber (4) that has a generally tangentially directed inlet at t... | 08/05/1997 |
| 5635068 | Combination centrifugal separator for air and solids A combination centrifugal separator for air and solids has a cylindrical vessel with cylindrical side wall and closing end walls, a vortex finder internally and coaxially disposed within the vessel, an inlet mounted on the vessel in a direction tangential... | 06/03/1997 |
| 5571416 | Continuous drain for solids separated by a centrifugal separator A centrifugal liquid/solids separator includes a cylindrical separation chamber into which a liquid/solid mixture is tangentially introduced. At least some of the solids separate and migrate to a lower collection chamber. A drain port from the collection ... | 11/05/1996 |
| 5566835 | Cleaner with inverted hydrocyclone A cleaner receives input pulp stock in an inverted conical chamber, which acts as a hydrocyclone to direct heavyweight reject flows outwardly, lightweight reject flows into a discharging vortex chamber and accept flows in between to a vortex finder for re... | 10/22/1996 |
| 5564574 | Mineral separator A method and apparatus for separating from a mixture materials having different specific gravities which can operate in a continuous manner and can separate particles of materials of non-uniform grain size. Water or other fluid is passed upwardly through ... | 10/15/1996 |
| 5560818 | Adjustable orifice for gas-sparged hydrocyclone A conventional gas-sparged hydrocyclone, including a plug that cooperates with an interior surface of the hydrocyclone to adjust the size of an orifice defined adjacent the suspension outlet, is mechanically adjusted. The plug position is adjusted by a me... | 10/01/1996 |
| 5529190 | Gas sparged hydrocyclone with foam separating vessel A slurry of recycled cellulose fibers is deinked by introducing the slurry into the first end of a vortex, sparging gas radially inwardly into the slurry to cause gas bubbles to attach to contaminants and ink particles to form an aerated slurry, dischargi... | 06/25/1996 |
| 5437794 | Hydrocyclone with turbulence creating means In a hydrocyclone the separation chamber (2) has a circumferential wall (3) provided with at least one turbulence creating member (12), which extends along the circumferential wall and crosses a helical path (10) along which a liquid stream is generated d... | 08/01/1995 |
| 5368735 | Liquid/solid separator with a conduit between a vortex and a quiescent collector zone A separator for separating solids from liquids in a liquid/solid mixture. The mixture is injected into a tubular separation barrel in a helical stream which flows to a spin plate. The spin plate reverses the axial direction of flow and forms a vortex whos... | 11/29/1994 |
| 5340481 | Dense 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 |
| 5273647 | Negative pressure hydrocyclone separation method and apparatus The improved hydrocyclone separating method and apparatus provides negative pressure to feed the hydrocyclone and an artificial air core into hydrocyclone. Use of the negative feeding pressure allows reduction of the cyclone pressure drop and energy consu... | 12/28/1993 |
| 5246575 | Material extraction nozzle coupled with distillation tower and vapors separator A material extraction nozzle for separating a mixture of materials having different densities, comprising: a nozzle body shell having an outer surface with a tangentially located material inlet at an upper portion thereof and an inner surface defining in ... | 09/21/1993 |
