Patent application number | Description | Published |
20090050121 | Two Stage Drainage Gas-Liquid Separator - A two stage drainage gas-liquid separator assembly includes an inertial gas-liquid impactor separator having one or more nozzles accelerating a gas-liquid stream therethrough, and an inertial impactor in the path of the accelerated gas-liquid stream and causing liquid particle separation from the gas-liquid stream, and further includes a coalescer filter downstream of the inertial gas-liquid impactor separator and effecting further liquid particle separation, and coalescing separated liquid particles. | 02-26-2009 |
20090090669 | DRIPLESS FILTER ASSEMBLY AND METHOD FOR SERVICING A FILTRATION APPARATUS WITH THE SAME - A fluid filter assembly of a filtration system is described. The filter assembly described includes a cover member and a filter cartridge having at least one filter element and a plate member. The plate member includes a seal surface on one side facing the cover member, and a seal surface on another side facing away from the cover member. The seal surface facing the cover member is configured to seal with the cover member, and the seal surface facing away from the cover member configured to seal with another component of the filtration system. The assembly provides a structure that can retain a seal between sealing surfaces of the cover and the filter cartridge, at least while the fluid filter assembly is being serviced, so as to at least minimize fluid dripping and leakage. | 04-09-2009 |
20090114088 | Inertial Gas-Liquid Separator with Variable Flow Actuator - An inertial gas-liquid separator has a variable flow actuator movable to open and close a variable number of accelerating flow nozzles. | 05-07-2009 |
20090126324 | Authorized Filter Servicing and Replacement - A method is provided for servicing a filter, and structure is provided disabling assembly of the filter unless an authorized replacement filter element is used. | 05-21-2009 |
20090193972 | Separator with Transfer Tube Drainage - A dual stage coalescer includes a separator in a separator chamber separating gas and liquid by inertial impaction, and a coalescer filter element in a coalescer chamber separating gas and liquid by coalescence. A transfer tube extends between the separator chamber and a downstream subchamber in the coalescer chamber at the downstream face of the coalescer filter element, and supplies pre-separated liquid from the separator chamber through the transfer tube to the noted downstream subchamber as driven by pressure differential between the separator chamber and the downstream subchamber, to eliminate a dedicated housing drain outlet from the separator chamber. The coalescer may provide a crankcase ventilation filter for an internal combustion engine having blowby gas containing an air-oil mixture. | 08-06-2009 |
20090308249 | Rotative Inertial Impactor Gas-Oil Separator for Internal Combustion Engine - An internal combustion engine gas-oil separator is provided by one or more rotative inertial impactor separators in an interior chamber of the engine and mounted to a rotating engine shaft in such interior chamber. | 12-17-2009 |
20090313977 | APPARATUS AND METHOD TO CONTROL ENGINE CRANKCASE EMISSIONS - An apparatus for reducing crankcase emissions generated by an engine is described. The apparatus generally includes a separator that removes particulate matter from the crankcase emissions and a treatment component that removes odor and gases from the crankcase emissions. The apparatus is configured where the treatment component is disposed downstream of the separator, the separator first removes particulate matter from the crankcase emissions and the treatment component then removes odor and certain gases from the crankcase emissions. | 12-24-2009 |
20100024366 | Gas-Liquid Separator with Dual Flow Impaction and Coalescence - A gas-liquid separator assembly has dual flow first and second split partial paths. The first path is an impaction separation path effecting liquid particle separation from a gas-liquid stream by inertial impaction. The second path is a coalescence-separation path effecting liquid particle separation from the gas-liquid stream by coalescence. | 02-04-2010 |
20100107883 | Multistage Variable Impactor - An inertial gas-liquid separator and method is provided, including variable orifice jet nozzle structure having a variable orifice area dependent upon axial movement of a plunger relative to a housing sleeve, and in another embodiment having first and second flow branches, with the first flow branch being continuously open, and the second flow branch having a variable flow controller controlling flow therethrough. | 05-06-2010 |
20100199958 | Engine Air Management System - An engine air management system is provided for an internal combustion engine generating blowby gas in a crankcase containing engine oil and oil aerosol. The system includes combinations of two or more of an air-oil separator, an air filter, and an acoustic silencer. | 08-12-2010 |
20100258493 | Filtration Sealing System - A filtration sealing system is provided for sealing a filter element in a housing at a mating interface therebetween. The sealing system includes a keyed interface. A replacement filter element is provided for such filtration sealing system, with the replacement filter element including a keyed interface. | 10-14-2010 |
20110094382 | REDUCED PRESSURE DROP COALESCER - A coalescer includes fibrous media capturing droplets of the dispersed phase, coalescingly growing the droplets into larger drops which further coalesce and grow to form pools that drain, and adapted to reduce pressure drop thereacross by increasing dispersed phase drainage therefrom. | 04-28-2011 |
20110168621 | TWO STAGE FUEL WATER SEPARATOR AND PARTICULATE FILTER - A water separator and particulate filter with a first or outer stage configured to coalesce water from fluid such as fuel, and a second or inner stage configured to separate coalesced water from the fluid and also remove fine solid contaminants from the fluid. The coalescing stage includes a pleated cylinder of polymeric media. The pleated cylinder has pleat valleys and downstream pleat tips, and release sites defined at the downstream pleat tips. The separator stage includes a non-pleated cylinder of polymeric media surrounding and in contact with outer pleat tips of a multi-layer pleated cylinder. | 07-14-2011 |
20110168647 | Modular Filter Elements for Use in a Filter-in-Filter Cartridge - Disclosed are modular filter-in-filter elements, namely an outer filter element and an inner filter element which may be assembled to form a filter cartridge for use in separation methods and systems. The outer filter element typically functions as a coalescing element and the inner element typically functions as a particulate filter element. The disclosed filter cartridges may be structured for separating water from a hydrocarbon-based liquid fuel as the fuel moves through the cartridge from outside to inside. | 07-14-2011 |
20110180051 | Crankcase Ventilation Inside-Out Flow Rotating Coalescer - An internal combustion engine crankcase ventilation rotating coalescer includes an annular rotating coalescing filter element, an inlet port supplying blowby gas from the crankcase to the hollow interior of the annular rotating coalescing filter element, and an outlet port delivering cleaned separated air from the exterior of the rotating element. The direction of blowby gas is inside-out, radially outwardly from the hollow interior to the exterior. | 07-28-2011 |
20110180052 | Closed Crankcase Ventilation System - A closed crankcase ventilation system for an internal combustion engine includes a return duct with a variably controlled air-oil coalescer. In a turbocharger version, cleaned separated air is provided to the turbocharger inlet, and the coalescer is variably controlled according to a given condition of the turbocharger and/or the engine and/or the coalescer. | 07-28-2011 |
20110197765 | Multistage Variable Impactor - An inertial gas-liquid separator and method is provided, including variable orifice jet nozzle structure having a variable orifice area dependent upon axial movement of a plunger relative to a housing sleeve, and in another embodiment having first and second flow branches, with the first flow branch being continuously open, and the second flow branch having a variable flow controller controlling flow therethrough. | 08-18-2011 |
20110239600 | Authorized Filter Servicing and Replacement - A method is provided for servicing a filter, and structure is provided disabling assembly of the filter unless an authorized replacement filter element is used. | 10-06-2011 |
20120061307 | Filtration Sealing System - A filtration sealing system is provided for sealing a filter element in a housing at a mating interface therebetween. The sealing system includes a keyed interface. A replacement filter element is provided for such filtration sealing system, with the replacement filter element including a keyed interface. | 03-15-2012 |
20120144788 | Multistage Variable Impactor - An inertial gas-liquid separator and method is provided, including variable orifice jet nozzle structure having a variable orifice area dependent upon axial movement of a plunger relative to a housing sleeve, and in another embodiment having first and second flow branches, with the first flow branch being continuously open, and the second flow branch having a variable flow controller controlling flow therethrough. | 06-14-2012 |
20120186566 | Engine Air Management System - An engine air management system is provided for an internal combustion engine generating blowby gas in a crankcase containing engine oil and oil aerosol. The system includes combinations of two or more of an air-oil separator, an air filter, and an acoustic silencer. | 07-26-2012 |
20120192536 | Inertial Gas-Liquid Impactor Separator with Flow Director - An inertial gas-liquid impactor separator includes flow director guidance structure directing and guiding flow through the housing from the inlet to the outlet along a flow path from upstream to downstream. The flow director guidance structure may include a flow controller controlling and directing flow. | 08-02-2012 |
20130056407 | Rotating Separator with Housing Preventing Separated Liquid Carryover - A rotating separator has a housing preventing separated liquid carryover. A plenum between the annular rotating separating filter element and the housing sidewall has one or more flow path separating guides minimizing the flow of separated liquid to the outlet. The flow path guides may include one or more fins and/or swirl flow dampers and/or a configured surface. | 03-07-2013 |
20130104860 | Engine Air Management System | 05-02-2013 |
20130167816 | Crankcase Ventilation Self-Cleaning Coalescer with Intermittent Rotation - A method and system is provided for regenerating and cleaning an air-oil coalescer of a crankcase ventilation system of an internal combustion engine generating blowby gas in a crankcase. The coalescer coalesces oil from the blowby gas. The method and system includes regenerating and cleaning the coalescer by intermittent rotation thereof. | 07-04-2013 |
20130240460 | Modular Filter Elements for Use in a Filter-in-Filter Cartridge - Disclosed are modular filter-in-filter elements, namely an outer filter element and an inner filter element which may be assembled to form a filter cartridge for use in separation methods and systems. The outer filter element typically functions as a coalescing element and the inner element typically functions as a particulate filter element. The disclosed filter cartridges may be structured for separating water from a hydrocarbon-based liquid fuel as the fuel moves through the cartridge from outside to inside. | 09-19-2013 |
20140048052 | Systems and Methods for Closed Crankcase Ventilation and Air Filtration - A system for providing air to an internal combustion engine comprises a crankcase ventilation unit that receives unrefined blowby gas from a crankcase, separates oil from the unrefined blowby gas, and discharges refined blowby gas. A conduit delivers the refined blowby gas to an air cleaner housing. The air cleaner housing comprises a first chamber that receives intake air through a first port, a second chamber that receives intake air from the first chamber and refined blowby gas from the conduit through a second port, and a third chamber that receives a mixture of intake air and refined blowby gas from the second chamber and discharges the mixture through a third port. A primary filter element filters the intake air as it passes from the first chamber to the second chamber. A secondary filter element filters the mixture as it passes from the second chamber to the third chamber. | 02-20-2014 |
20140048468 | Filtration Sealing System - A filtration sealing system is provided for sealing a filter element in a housing at a mating interface therebetween. The sealing system includes a keyed interface. A replacement filter element is provided for such filtration sealing system, with the replacement filter element including a keyed interface. | 02-20-2014 |
20150027422 | Crankcase Ventilation Inside-Out Flow Rotating Coalescer - An internal combustion engine crankcase ventilation rotating coalescer includes an annual rotating coalescing filter element, an inlet port supplying blow by gas from the crankcase to the hollow interior of the annular rotating coalescing filter element, and an outlet port delivering clean separated, air from the exterior of the rotating element. The direction of flow by gas inside-out, radially, outwardly from the hollow interior to the exterior. | 01-29-2015 |
20150047582 | CRANKCASE VENTILATION SELF-CLEANING COALESCER WITH INTERMITTENT ROTATION - A method and system is provided for regenerating and cleaning an air-oil coalescer of a crankcase ventilation system of an internal combustion engine generating blowby gas in a crankcase. The coalescer coalesces oil from the blowby gas. The method and system includes regenerating and cleaning the coalescer by intermittent rotation thereof. | 02-19-2015 |