Famous Patents
In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
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 |
| 8002690 | Centrifuge rotor having a waste collecting part separable from a bearing part A rotor for a centrifuge (1), wherein the rotor is rotatably driven about a rotation axis and includes two parts, i.e., a central bearing part and a waste collecting part which is provided with a waste collecting area. The waste collecting part is separable f... | 08/23/2011 |
| 7959547 | Centrifuge for cleaning a liquid The invention relates to a centrifuge for the cleaning of a liquid, in particular a lubricant oil of an internal combustion engine. Said centrifuge comprises a housing, at least one bearing element on the housing side and a rotor which is rotatably mounted thereon. ... | 06/14/2011 |
| 7959546 | Oil centrifuge for extracting particulates from a continuous flow of fluid A centrifuge is employed to continuously remove particulates from a fluid. In one embodiment, the centrifuge removes small particles of soot from lubricating oil of large diesel engines. The fluid in introduced into the centrifuge through an inducer so that vortexes... | 06/14/2011 |
| 7871364 | Centrifuge rotor-detection oil-shutoff device A centrifuge includes a housing that defines a fluid inlet port to supply fluid to the centrifuge and an axle cavity fluidly coupled to the fluid inlet port. A bearing is received in the axle cavity. A check valve is disposed in the axle cavity to minimize tampering... | 01/18/2011 |
| 7775963 | Liquid driven centrifugal separation apparatus and open vessel rotor with improved efficiency A centrifugal separation rotor for an apparatus, which removes contaminants from a pumped liquid, such as engine lubricant, by rotating it about axis at high speed includes a separation and containment vessel that permit liquid to leave the vessel as fast as it can ... | 08/17/2010 |
| 7713185 | Impulse centrifuge for the purification of the lubricating oil from an internal combustion engine A free-jet centrifuge for the cleaning of lubricating oil comprising, a housing with a removable cover, a rotor rotatably arranged in the housing and with channels for feeding and removing the lubricating oil. The rotor is of split design with a drive part and a dir... | 05/11/2010 |
| 7597658 | Centrifugal separator and rotor therefor A rotor (10) for a centrifugal separator (12) for circulated engine lubricant formed by end walls (44, 46) and radially outer and inner side walls (42, 52) that define a separation and containment region (82). Wall (52) is d... | 10/06/2009 |
| 7553271 | Two-part rotor for a centrifuge with a connecting and unlocking mechanism The invention relates to a rotor for a centrifuge for cleaning a liquid, in particular the lubricating oil of an internal combustion engine, wherein the rotor is designed in two parts, namely, on the one hand, a drive part and, on the other hand, a dirt-collecting p... | 06/30/2009 |
| 7407474 | Apparatus 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 |
| 7396325 | Centrifuge rotor The invention relates to a rotor for a centrifuge, in particular for purifying lubricating oil in an internal combustion engine, wherein said rotor is rotatably mounted in the centrifuge housing and is provided with an impurity trapping element, the rotor or the imp... | 07/08/2008 |
| 7393317 | Centrifuge rotor-detection oil-shutoff device A centrifuge includes a housing that defines a fluid inlet port to supply fluid to the centrifuge and an axle cavity fluidly coupled to the fluid inlet port. A bearing is received in the axle cavity. A check valve is disposed in the axle cavity to minimize tampering... | 07/01/2008 |
| 7377893 | Hero-turbine centrifuge with flow-isolated collection chamber A centrifuge for the separation of particulate matter from a volume of fluid includes an outer housing, a rotational member extending through the outer housing, and a rotor assembled onto the rotational member for rotation relative to the rotational member and relat... | 05/27/2008 |
| 7309308 | Centrifugal oil separator in an internal combustion engine In a centrifugal oil separator in an internal combustion engine including a centrifuge housing which is placed in a rotationally fixed manner onto a rotating centrifuge shaft, the centrifuge housing is manufactured from plastic and a metal bushing is integrated into... | 12/18/2007 |
| 7297098 | Centrifugal separator and rotor therefor with a recess defining a drive liquid conduit A rotor (40) for a centrifugal separator (20) used for separating solid contaminants from pressurized engine lubricant, is driven by pressure of the lubricant, a portion of which is directed to, and expelled from rotor nozzles (88). The rotor co... | 11/20/2007 |
| 7288202 | Rotary separator and method A separator and method according to which substances having relatively high densities are separated from a pressurized flow stream. ... | 10/30/2007 |
| 7241392 | Rotary separator and method A separator and method according to which substances having relatively high densities are separated from a pressurized flow stream. ... | 07/10/2007 |
| 7235177 | Integral air/oil coalescer for a centrifuge A centrifuge for separating particulate matter from circulating fluid includes a centrifuge enclosure including a housing and a base joined together so as to define a hollow interior. A rotor is positioned in the hollow interior and is supported by the base in a man... | 06/26/2007 |
| RE39704 | Centrifugal separator with weight thrust bearing A self-powered centrifugal separator, for separating particulate contaminants from a liquid lubricant of an automobile engine, includes a rotor container rotatable about an axle to which it is journalled by bushes. When the engine is running, a film of pressurized l... | 06/26/2007 |
| 7210195 | Integrated spider separator A vacuum cleaner assembly comprising a body, a motor disposed within the body and having an output shaft for rotating about axis, a fan coupled to the output shaft for generating a vacuum airflow through an air intake port in the body, and a separator coupled to the... | 05/01/2007 |
| 7189197 | Centrifuge with a split shaft construction A centrifuge for separating out particulate matter from a fluid includes a rotor shell that is rotatably coupled to a shaft through a first bushing and a second bushing. The shaft includes a first shaft section that is detachably coupled to a second shaft section in... | 03/13/2007 |
| 7182724 | Disposable centrifuge rotor A disposable, all-plastic centrifuge rotor for fluid processing includes a unitary, molded plastic upper rotor portion that includes a rotor shaft spud. A unitary, molded plastic lower rotor portion is provided and is joined to the upper rotor portion so as to defin... | 02/27/2007 |
| 7090773 | Coaxial full-flow and bypass oil filter An improved combination full flow bypass oil filter is presented where the output of the bypass filter is obtained by non-venturi means and the extremely clean bypass filter output is measurable at all engine oil pressures. The bypass filter output is not blended wi... | 08/15/2006 |
| 7081206 | Filter apparatus and method with centrifugal separator for removing contaminants from a fluid The filter removes volatile, particulate and water-based contaminants from a fluid, such as lubricating oil, of a different density than the contaminants. The device has a cone shaped, jet-propelled, helical-spiral wiper rotor creating centrifugal forces that separa... | 07/25/2006 |
| 6984200 | Centrifugal separator for separating solid contaminants from a liquid, rotor for use therein and method of separating contaminants from liquids A centrifugal separator 110 (FIG. 1) for removing contaminants from a pumped liquid such as engine lubricant, having a separation rotor 130 rotatable about axis 124 at high speed by a jet 178 of the liquid impinging upon impulse tu... | 01/10/2006 |
| 6974408 | Centrifuge for the purification of lubricating oil of an internal-combustion engine A centrifuge for the purification of lubricating oil of an internal-combustion engine is provided which includes a housing with a removable cover, a housing-fixed shaft arranged in the housing and a centrifuge rotor which is rotatably mounted on the shaft and is rep... | 12/13/2005 |
| RE38855 | Centrifugal separator with one or more internal contaminant barriers A centrifugal separtor for non-cohesive particulates, such as are found in transmission oils and hydraulic liquids, rather than the cohesive combustion products found within internal combustion engine lubricants, consists of a housing enclosing a vertical spindle on... | 10/25/2005 |
| 6929596 | Centrifuge with separate hero turbine A rotor assembly for use as part of a centrifuge for the separation of particulate matter from a fluid includes a collection chamber housing a particulate separation mechanism and a drive chamber including a Hero turbine which assembles to the collection chamber and... | 08/16/2005 |
| 6910998 | Centrifuge comprising a blood bag system with an upper and lower outlet The invention relates to a centrifuge provided with a blood bag system having an upper and lower outlet for separation of blood constituents, containing a rotor which can be driven in a rotative manner about a hub, wherein at least one conventional whole blood bag e... | 06/28/2005 |
| 6893389 | Disposable centrifuge with molded gear drive and impulse turbine A centrifuge for separating particulate matter from a fluid includes a rotor assembly positioned within a centrifuge housing including a rotor housing. A driven gear is secured to a base portion of the rotor housing. A driving gear is integrally arranged with an imp... | 05/17/2005 |
| 6884348 | Module of units for an internal combustion engine The invention relates to a module of units for an internal combustion engine, comprising, as first unit, a device for separating out contaminants from the lubricating oil in the internal combustion engine, whereby the device has a filter insert, a free-jet centrifug... | 04/26/2005 |
| 6821241 | Centrifuge rotor with low-pressure shut-off and capacity sensor A centrifuge for separating particulate matter from a fluid includes a housing having a base portion defining a fluid inlet, a rotor subassembly in the housing and including a centertube and a shaft. The shaft defines a plurality of fluid outlet ports and a fluid pa... | 11/23/2004 |
| 6793615 | Internal seal for a disposable centrifuge A fluid separation centrifuge for the separation of particulate matter from a flow of oil is designed with a disposable rotor assembly including a molded plastic rotor housing and a fluid separation device positioned within the rotor housing. Included as part of the... | 09/21/2004 |
| 6740026 | Centrifugal separator with an arrangement for hindering inadvertent cover removal A centrifugal separator (10) for an engine includes a rotor (30) mounted within a housing (12, 14) for rotation on hollow spindle (42) to the end of which oil is supplied at high pressure to enter the rotor. To prevent the rotor from flyi... | 05/25/2004 |
| 6709575 | Extended life combination filter A filtering system (10) is provided for filtering working fluid from a machine (12) and includes a cleanable filter (16) and a centrifuge (82) where filter capacity is too low for a permanent filter yet flow rate is too high for a centrif... | 03/23/2004 |
| 6702729 | Centrifugal cleaner for industrial lubricants The present invention provides for an improved method and apparatus for cleaning industrial lubricants used in industrial processes. The method comprises providing a centrifugal separator apparatus connected as a bypass or in-line filter in the lubricatin... | 03/09/2004 |
| 6652439 | Disposable 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 |
| 6620090 | Free-jet centrifuge for cleaning lubricant oil with reduced run-on times A free-jet centrifuge which, in contrast to prior art centrifuges which are braked by bearing friction, includes a device for braking the rotor when the oil pressure falls below a predetermined value. The rotor is mounted in a slide bearing (12), which si... | 09/16/2003 |
| 6602180 | Self-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 |
| 6599229 | Air-assisted drain with pressure cutoff valve A centrifuge assembly for processing a flow of oil so as to separate out particulate matter includes a centrifuge, a housing base, and a flow-control piston which is assembled into the housing base. The centrifuge includes a housing which defines a hollow... | 07/29/2003 |
| 6579218 | Centrifugal filter utilizing a partial vacuum condition to effect reduced air drag on the centrifuge rotor A centrifuge filter for removing soot from engine oil. The centrifuge filter includes a rotor adapted to be rotated inside a centrifuge housing by an electric motor or other means. The rotor preferably includes a reusable aluminum support casing and a dis... | 06/17/2003 |
