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Class Information
Number: 210/787
Name: Liquid purification or separation > Processes > Separating > Cyclonic, or centrifugal (e.g., whirling or helical motion or by vortex, etc.)
Description: Process wherein the influent flows tangentially of a container in a manner to produce a whirling motion or there is an agitator to rotate the influent to form a vacuum at its center.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4707275 |
Process for separating water and solids from fuels |
Nov. 17, 1987 |
| 4698136 |
Process for the continuous production of boiler feed water |
Oct. 6, 1987 |
| 4689157 |
Method of and device for centrifugally purifying used mineral oils |
Aug. 25, 1987 |
| 4689203 |
Centrifuge |
Aug. 25, 1987 |
| 4687585 |
Separation process utilizing centrifugal rotor |
Aug. 18, 1987 |
| 4673491 |
Process and apparatus for the centrifugal separation of fine-grain mineral mixtures |
Jun. 16, 1987 |
| 4673510 |
Process for the disposal of settled sludge derived from a biological sewage-disposal plant |
Jun. 16, 1987 |
| 4670139 |
Drilling mud cleaning machine |
Jun. 2, 1987 |
| 4664068 |
Heat generating unit for heating a liquid |
May. 12, 1987 |
| 4661243 |
Method and apparatus for treating moist dust and mud in the steel industry |
Apr. 28, 1987 |
| 4636317 |
Recycling of metalworking fluids |
Jan. 13, 1987 |
| 4636319 |
Maintaining closing-liquid level in centrifuges, for operating slide valves |
Jan. 13, 1987 |
| 4623470 |
Process and apparatus for separating or fractionating fluid mixtures |
Nov. 18, 1986 |
| 4621981 |
Pump improvement |
Nov. 11, 1986 |
| 4619768 |
Method of removing crude oil sludge |
Oct. 28, 1986 |
| 4614596 |
Apparatus and method for dissolving a gas in an aqueous stream |
Sep. 30, 1986 |
| 4612126 |
Clarifying filtering centrifuge and method of use |
Sep. 16, 1986 |
| 4595492 |
Recovery of phosphorus from dilute waste streams |
Jun. 17, 1986 |
| 4563279 |
Spiral separators |
Jan. 7, 1986 |
| 4557836 |
Solid discharge mechanism for dewatering system |
Dec. 10, 1985 |
| 4541933 |
Process for separation of ash from waste activated sludge |
Sep. 17, 1985 |
| 4541934 |
Quick release cyclone apex system |
Sep. 17, 1985 |
| 4542036 |
Process for separating solids from oils |
Sep. 17, 1985 |
| 4533474 |
Method for separating immiscible fluids of different specific gravities |
Aug. 6, 1985 |
| 4533468 |
Centrifugal separation method and apparatus |
Aug. 6, 1985 |
| 4521313 |
Fluid purification system |
Jun. 4, 1985 |
| 4501671 |
Method and apparatus for treatment of oily waste |
Feb. 26, 1985 |
| 4500324 |
Method of reducing the nickel content in waste water |
Feb. 19, 1985 |
| 4493820 |
Process for partial removing of impurities from a wet process phosphoric acid |
Jan. 15, 1985 |
| 4460393 |
Apparatus for centrifugal separation of a mixture containing at least one gaseous phase |
Jul. 17, 1984 |
| 4436615 |
Process for removing solids from coal tar |
Mar. 13, 1984 |
| 4434061 |
Solids-liquid separation |
Feb. 28, 1984 |
| 4425239 |
Method and apparatus for oil-water separation |
Jan. 10, 1984 |
| 4425228 |
Wet-classifying method for recovery of carbon and iron-bearing particles |
Jan. 10, 1984 |
| 4420403 |
Filter module |
Dec. 13, 1983 |
| 4399041 |
Process for particulate removal from coal liquids |
Aug. 16, 1983 |
| 4399223 |
Cellular product separation |
Aug. 16, 1983 |
| 4387031 |
Compositions able to separate the erythrocytes from the serum or plasma in blood analysis samples, and the method which uses them |
Jun. 7, 1983 |
| 4384787 |
Method and apparatus for adjusting the quantity of liquid deposited on fine granular materials and method of preparing mortar or concrete |
May. 24, 1983 |
| 4382804 |
Fluid/particle separator unit and method for separating particles from a flowing fluid |
May. 10, 1983 |
| 4370242 |
Device for and a method to separate orientable or deformable particles |
Jan. 25, 1983 |
| 4362628 |
Method and apparatus for cleaning basins |
Dec. 7, 1982 |
| 4361490 |
Process for centrifugal separation and apparatus for carrying it out, applicable to a mixture of phases of any states |
Nov. 30, 1982 |
| 4350596 |
Method and apparatus for recovering waste oil |
Sep. 21, 1982 |
| 4348288 |
Process for desalting fuel oil |
Sep. 7, 1982 |
| 4344560 |
Container, apparatus and method for separating platelets |
Aug. 17, 1982 |
| 4343780 |
Process for the separation of solids from phosphoric acid |
Aug. 10, 1982 |
| 4335214 |
Process for purifying particles of biological origin, particularly the surface antigen of the virus of hepatitis B (AgHBs) |
Jun. 15, 1982 |
| 4322298 |
Centrifugal cell separator, and method of use thereof |
Mar. 30, 1982 |
| 4321135 |
Method for separating solid phase from drilling mud |
Mar. 23, 1982 |
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