Bizarre Patents
Dining Table Having Integral Dishwasher
A space-saving dishwasher, which may be installed within a counter top or table, having a dish-carrying rack that is vertically shiftable through the open top of the dishwasher for facilitating loading and unloading of the dishes.
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 |
| 7214257 | Plant 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 |
| 7090081 | Selectively removing undesirably sized catalyst particles from a reaction system The present invention provides various processes for selectively removing undesirably sized catalyst particles from a reaction system. In one embodiment, a plurality of catalyst particles, having a first median particle diameter, is withdrawn from the reaction syste... | 08/15/2006 |
| 6918949 | Method for contacting large volumes of gas and liquid across microscopic interfaces A method for contacting large volumes of gas and liquid together on a microscopic scale for mass transfer or transport processes wherein the contact between liquid and gas occurs at the interfaces of a multitude of gas bubbles. Multiple porous tubes assembled in a b... | 07/19/2005 |
| 6290067 | Screening apparatus with dilution liquid supply means Screening apparatus is disclosed for separating fiber suspensions comprising a housing having an inlet for the fiber suspension, a stationary tubular screen dividing the interior of the housing into a central chamber for receiving the fiber suspension fro... | 09/18/2001 |
| 6284096 | Process for discharging impurities from a hydrocyclone and a hydrocyclone A hydrocyclone and a process for discharging impurities from a suspension containing paper fibers using a hydrocyclone having a radially inner area. The hydrocyclone includes an inflow for introducing the suspension to be purified, an accepted stock outfl... | 09/04/2001 |
| 6149825 | Tubular vortex separator A tubular vortex separator which can be used to separate particulate matter of higher density from fluids. In a preferred embodiment, the vortex separator is generally tubular, simple in design, and economical to produce.... | 11/21/2000 |
| 6119870 | Cycloseparator for removal of coarse solids from conditioned oil sand slurries A large capacity cyclonic separator is used for desanding a conditioned aqueous oil sand slurry comprising aerated bitumen, water and sand to produce pumpable, pipelineable lean froth and sand tailings. The cyclone separator is a vessel which forms an elo... | 09/19/2000 |
| 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 |
| 6073775 | Cyclonic-static micro-bubble floatation apparatus and method A cyclonic-static micro-bubble flotation apparatus which includes a single unit flotation device having a cyclonic separation unit in the bottom portion of the device and a column flotation portion which includes packing in the upper portion of the flotat... | 06/13/2000 |
| 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 |
| 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 |
| 5578209 | Centrifugal fluid separation device A fluid separation device (20) is provided for separating a raw fluid (51) into a plurality of components (36, 37 and 38). A body (21) has a cylindrical bore (39) defined by an inner wall (41) of the body (21). A generally solid cylindrical core (22) has ... | 11/26/1996 |
| 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 |
| 5470465 | Vortex system for separating particles from a liquid stream A vortex system for separating particles of varied size and density from a liquid stream. A particle bearing liquid is introduced tangentially into one end of an elongated cylindrical chamber to form a rotating liquid vortex therein. An impeller at one en... | 11/28/1995 |
| 5108608 | Cyclone separator with multiple outlets and recycling line means A hydrocyclone separator for separating oil and water components of a fluid mixture to provide a more dense water component that is substantially free of oil, having three outlets at the end of the hydrocyclone opposite the inlet end. One of the outlets r... | 04/28/1992 |
| 4855066 | Hydrocyclone A hydrocyclonic apparatus has been designed to separate a less dense dispersed phase (either liquid or solid) from a more dense liquid phase. The cyclone separator consists of two generally cylindrical portions positioned around the longitudinal axis in a... | 08/08/1989 |
| 4820414 | Cyclone separator A cyclone separator (10) for liquids having a denser liquid component outlet (23) and a less dense liquid component outlet (32). In order to improve separation efficiency a third outlet (54), for the less dense liquid component is located within the separ... | 04/11/1989 |
| 4696737 | Fiber recovery elutriating hydrocyclone An improved method of centrifugally separating, cleaning or classifying solids contained in a fluid flow delivered to a hydrocyclone 2 through inlet 28 wherein the removal of unacceptable material, i.e. rejects, is enhanced and the loss of acceptable mate... | 09/29/1987 |
| 4356084 | Self-sealing valve assembly to facilitate unplugging of a centrifugal cleaner A self-sealing element is provided in the outer wall of the discharge chamber of a centrifugal cleaning apparatus opposite the rejects discharge outlet. When a blockage occurs at the discharge outlet, a long needle-like nozzle is inserted through the seal... | 10/26/1982 |
| 4303526 | Hydrocyclone separator A hydrocyclone separator for liquid suspensions, particularly useful for the separation of highly concentrated slurries, the separator being provided with a forced discharge means in the form of a screw conveyor extending axially through the underflow dis... | 12/01/1981 |
| 4280902 | Separation of dense impurities from a fluid An apparatus and method for removing dense impurities, such as sand, from a fluid, such as liquids use in the production of cellulosic pulp. A vertically upstanding tank substantially circular in cross-section is provided including a top wall, bottom wall... | 07/28/1981 |
| 4279743 | Air-sparged hydrocyclone and method An air-sparged hydrocyclone apparatus and method, the apparatus including a substantially hollow, cyclone body having a cylindrical section and a downwardly oriented conical section. An inlet, an overflow and an underflow are also provided in the cyclone ... | 07/21/1981 |
| 4267048 | Equipment for separating foreign matter from liquid papermaking materials Equipment for continuously separating foreign matters from unpurified liquid papermaking materials. Cyclone separators are disposed radially around and equidistantly from a central structure. Each of these cyclone separators has a chamber for collecting p... | 05/12/1981 |
| 4265740 | Centrifugal separator The separator is particularly suitable for separating impurities from a pulp slurry. The separator includes a vertical vessel with an upper chamber and a lower chamber. The pulp slurry is fed into the upper chamber by means of a tangential pulp slurry inl... | 05/05/1981 |
| 4253945 | High consistency pulp cleaning A method and apparatus for providing a cleaned stock issuing directly from a hydrocyclone cleaning system at a consistency of at least 1%, comprising injecting pulp to said hydrocyclone means at a consistency of at least 1%, said hydrocyclone having a tan... | 03/03/1981 |
| 4226707 | Centrifugal cleaner The invention provides improvements in vortex separators for separating the rejects from the accepts in a particle-laden fluid, the separator including, in preferred embodiments, a replaceable inner wall lining minimizing maintenance costs while raising s... | 10/07/1980 |
| 4151083 | Apparatus and method for separating heavy impurities from feed stock An apparatus and method are described for separating heavy impurities from feed stock. Feed stock is introduced into a first classifying zone defined by a chamber, usually circular in cross-section. The feed stock is normally liquid being made up of stock... | 04/24/1979 |
| 4147616 | Apparatus for deinking printed wastepapers An apparatus for deinking printed wastepapers in a system of separators through which printed wastepapers, previously impregnated with surface-active agents and alkalis, and repulped in the presence of an organic hydrocarbon compound and high-adsorptive f... | 04/03/1979 |
| 4146469 | Mounting of cleaners in papermaking system More efficient and effective mounting of centrifugal cleaners in a cleaning stage of papermaking apparatus is effected by mounting the cleaners in vertical orientation in a feed plenum in which the inlets to the cleaners are disposed submerged in the pape... | 03/27/1979 |
| 4140632 | Concentrator device and method The invention provides a method and apparatus for thickening centrifugally separable fractions by the steps of providing a pressurized stream of a liquid suspension medium containing a fraction separated centrifugally from any other fraction, causing the ... | 02/20/1979 |
| 3971718 | Hydrocyclone separator or classifier This relates to the separation of two or three constituent suspensions by means of hydrocyclone systems employing a primary vortex chamber and a secondary or "washing" cyclone. The underflow end of the primary vortex chamber is provided with spiral groove... | 07/27/1976 |
