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

Icon_funbox Did You Know...

...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.

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 494/901 - INVOLVING MIXTURE CONTAINING OIL


Subclass of Class 494 - Imperforate bowl: centrifugal separators
Definition: Separating apparatus wherein oil of one kind or another
No. of patents: 67
Last issue date: 08/12/2008


1    
NumberTitleIssue Date
7410456Method of purifying contaminated oil in a centrifugal separator using a separation aid and starting liquid
In a centrifugal separator the liquid separation aid attracts/binds contaminating particles in oil supplied to a separation chamber. Purified oil is discharged through a central light phase outlet of the separation chamber, the liquid separation aid and separated pa...
08/12/2008
7407474Apparatus for cleaning contaminated oil
Apparatus (10) for cleaning fluids such as oils comprising an inlet (12) for fluid to be cleaned, a heating unit (21) for heating the fluid, a centrifugal cleaner (24), a vacuum dehydration unit (26), a holding tank (11) and...
08/05/2008
6908423Screw for a solid-bowl centrifuge and a method of extracting oil using the centrifuge
A screw for a solid-bowl screw-type centrifuge, comprising: a screw body having a circumference, a cylindrical section and a conical section; at least one screw blade surrounding the screw body several times and forming several screw spirals; a delivery path for con...
06/21/2005
6860845System and process for separating multi phase mixtures using three phase centrifuge and fuzzy logic
A system for separating a multi phase mixture into a first liquid phase component, a second liquid phase component and a solid phase component includes a three phase centrifuge and a control system for the centrifuge. The control system includes a fuzzy soft sensor ...
03/01/2005
6652439Disposable rotor shell with integral molded spiral vanes
A self-driven centrifuge for separating particulate matter out of a circulating liquid includes a base plate and a rotor shell. The base plate has a center tube extending therefrom along a longitudinal axis. The center tube is constructed and arranged to ...
11/25/2003
6602180Self-driven centrifuge with vane module
A self-driven centrifuge for separating particulate matter out of a circulating liquid includes a base having a pair of tangential jet nozzles for generating the self-driven force for the centrifuge. Connected to the base is a centrifuge shell which defin...
08/05/2003
6551230Molded spiral vane and linear component for a centrifuge
A self-driven centrifuge for separating particulate matter out of a circulating liquid includes a stand pipe that is constructed and arranged to deliver fluid. A vane assembly is adapted to receive fluid from the stand pipe. The vane assembly includes a l...
04/22/2003
6540653Unitary spiral vane centrifuge module
A self-driven centrifuge for separating particulate matter out of a circulating liquid includes a base having a pair of tangential jet nozzles for generating the self-driven force. Connected to the base is a centrifuge shell which defines a hollow interio...
04/01/2003
6497114Oil separator
An oil separator comprising a cylindrical portion, an inlet for incoming gas/oil mixture, an outlet for separated gas, a lower portion, and an outlet for separated oil is provided. The lower portion decreases in diameter as it proceeds from top to bottom,...
12/24/2002
6238329Centrifugal separator for mixed immiscible fluids
A machine for separation two liquids of different densities from a mixture has a separation chamber with radially disposed fins that rotates about a central axis. The separation chamber has an outside wall with a first weir extending toward the central ax...
05/29/2001
6156193Centrifugal oil filter with particle retention
A centrifugal oil filter includes a housing having a rotatable bowl disposed in a first fluid chamber and rotatably disposed about a shaft extending through the first fluid chamber. The rotatable bowl has a partition dividing the rotatable bowl into upper...
12/05/2000
5904836High-vacuum oil refinery system and process
High-vacuum oil refinery systems and process are disclosed in this invention. The systems and process enables to carry out vaporization and distillation of oils under the condition of 1-10-4 Torr of high vacuum and at the temperature of not hig...
05/18/1999
5779618Centrifugal separating filter
A centrifugal separating filter, which can efficiently separate dirt particles in liquid and keep the liquid clean, includes a turbine driving device (20), which is provided for rotating a rotating member (11) included inside the filter, and the turbine d...
07/14/1998
5755657Centrifugal oil filter
A rotor for a centrifugal separator includes a casing with an internal separation cone which defines an annular, radial opening between the cone and a central support tube. The area in mm2 of the radial opening between the cone and central tube...
05/26/1998
5683342Oil cleaning assemblies for engines
In a centrifugal separator of the kind used for liquids such as oil, a rotor contains a separation cone interposed between the main volume of the rotor and the outlet nozzles which, in use, cause the rotor to spin. This cone includes a plurality of radial...
11/04/1997
5651881Fluid recovery assembly
A fluid recovery assembly continuously separates lubrication liquid from lubrication-impregnated shavings. The fluid recovery assembly includes a shredder which receives and shreds the lubrication-impregnated shavings. A centrifugal drum rotates the lubri...
07/29/1997
5624371Self-regulating centrifugal separator
A centrifugal separator comprises a drum (1) rotatable about its axis within which annular walls (10, 20) define discharge chambers (11, 21) at the ends of the drum, from which separated fluids of different specific gravities are discharged by respective ...
04/29/1997
5484521Rotary drum fluid/liquid separator with energy recovery means
A rotating drum divided in axial spaced compartments with one of the compartments includes paddles and coalescing material to separate the fluid from the liquid and the other compartment includes stationary oil pumping and water pumping means and an energ...
01/16/1996
5423340Apparatus for removing an oil spill on a body of water
A system for removing oil from oil/water or oil/sand or oil/water/sand mixtures. An oil/water mixture is taken from an oil spill on the surface of the water or from other sources such as producing oil wells and is transported to a surge tank where it is a...
06/13/1995
5328440Centrifuge bucket and method of use
A bucket for use in a swinging bucket centrifuge. A core holder is located between two end chambers, with the annular space between the core holder and the bucket sidewall maintaining the chambers in fluid communication. Windows at each end of the bucket ...
07/12/1994
5286379Oil-spill clean up apparatus
An oil recovery vessel is equipped with a substantial plurality of high efficiency centrifugal separators for separating oil from an oil-water mixture transported from an oil spill area into a piping system on the vessel. The separators are arranged in mo...
02/15/1994
5264124Segmented centrifugal separator scroll housing with removable scroll segments
A scroll liner for use in the discharge housing of a centrifugal separator device. The scroll liner comprises a plurality of segments which are replaceable in the event of excessive wear. The segments are of a length which is less than the space between a...
11/23/1993
5259829Centrifugal separating apparatus
Apparatus for separating oil and water from a stream of fluid may include a stationary housing in which is centrally disposed for rotation therein a chamber assembly including an upper and lower chamber. A plurality of U-tube assemblies extend radially ou...
11/09/1993
5195939Three phase centrifugal separator
A three phase centrifugal separator for separating the components of a fluid mixture of oil, water and gas, consisting of a cylindrical drum rotatably mounted within a pressure vessel. Two liquid phase holding tanks connected to the pressure vessel are al...
03/23/1993
5149432Centrifuge for separating liquids of different specific gravities
A centrifuge for separating liquids, e.g., oil from water. The centrifuge basically comprises a housing having first and second cavities, and a liquid conveying wall disposed over a bowl arranged to be rotated about a central axis. The bowl includes an an...
09/22/1992
5096581Centrifugal oil filter
Centrifugal oil filters are described comprising a rotatable centrifugal cleaning cartridge, a shaft for rotation thereon, a co-operating member for connecting the filter assembly to a source of fluid to be cleaned, an outer casing member, a closure membe...
03/17/1992
4990265Method of dewatering oil mud
A method of dewatering oil mud that occurs on board ships during the processing of heavy, diesel, and lubricating oils and consists of a mixture of water and mineral-oil residue that is intercepted on board and subjected to centrifuging. The liquids conta...
02/05/1991
4959158Method for separating disparate components in a fluid stream
The invention provides a method of separating a mixed component waste stream in a centrifugal separator. The mixed component waste stream is introduced into the separator and is centrifugally separated within a spinning rotor. A dual vortex separation occ...
09/25/1990
4925597Method for the decontamination of radioactively contaminated liquids
In a process for decontaminating radioactively polluted lubricant oil, (a) the lubricant oil to be decontaminated is mechanically filtered, (b) an acid solution of the salts of the elements, the radionuclides of which are to be removed, is added, and (c) ...
05/15/1990
4913695Liquid vapor purging system
A self-contained liquid vapor purging system for use in such electromotive apparatus as integrated drive generators, or the like, which include a casing and a rotatable shaft extending into the casing. A charge pump circuit communicates with the casing fo...
04/03/1990
4702837Rotary vortex separator for a heterogeneous liquid
A rotary vortex separator for heterogeneous liquids, e.g. water with a small oil content on an offshore oil platform, includes injection channels (30) which inject water to be de-oiled at an axial speed relative to the periphery of the separator at the up...
10/27/1987
4681705Decontamination of radioactively contaminated liquids
A method of decontaminating mixtures of radioactively contaminated water and radioactively contaminated water-immiscible organic liquids to produce a decontaminated organic liquid which can be disposed of in a conventional manner. The method comprises sep...
07/21/1987
4591433Automatic controls of water-oil separating system for use with centrifugal type separator
A centrifugal filter separator system operable to separate from oil under pressure solid contaminants, by depositing them on the internal wall of a rotating drum, powered by reaction jet nozzles, while also separating water from oil and extracting it from...
05/27/1986
4534860Water-oil separating system for use with centrifugal type separator
A centrifugal filter separator system operable to separate from oil under pressure solid contaminants, by depositing them on the internal wall of a rotating drum, powered by reaction jet nozzles, while also separating water from oil and extracting it from...
08/13/1985
4525155Centrifugal separator and method of operating the same
A centrifugal separator for separating two liquid components from each other normally has continuously open outlets for both liquid components, an interface layer formed in the separating chamber between the separated liquid components being maintained at...
06/25/1985
4492631Centrifugal separator
A centrifugal separator for separating contaminants from contaminated oil has an outer casing and a rotor within that casing mounted for rotation about a vertical axis. Oil under pressure enters the rotor at one end and at the other end exits through jets...
01/08/1985
4479789Bell-like centrifuge drum for continuously freeing metal turnings of oil
The present invention is with respect to a bell-like centrifuge drum for freeing metal turnings of oil continuously and which is made up of a lower drum part (1) with a floor (2) and a coned wall part (3), at whose top edge an outwardly running flange (4)...
10/30/1984
4362620Partitioned centrifuge
A centrifuge for the separation of materials having different densities such as solids and liquids or liquids of different densities has partitions therein disposed generally perpendicularly to the material flow within the centrifuge which form a series o...
12/07/1982
4350282Self-purging centrifuge
A self-purging centrifuge (10) for liquid/liquid/solid separation is the invention. It is useful in industries such as metal working where separation of a lighter liquid from a heavier liquid is achieved simultaneously with the separation of suspended sol...
09/21/1982
4346009Centrifugal spin-on filter or separator
An oil separator cartridge includes a cylindrical spin-on housing having opposite inlet and outlet ends connected by an intermediate wall with the inlet end including a threaded aperture threadably mountable on an engine oil output tube having a smooth cy...
08/24/1982
1    
 
Sign InRegister
Username  
Password   
forgot password?