Abstract: A liquid filter for removing particles from a liquid, in particular from fuel or a urea solution, includes a first filter medium, a second filter medium, and a supporting frame including a supporting frame wall. The supporting frame wall includes first and front faces facing away from each other. The first filter medium is fastened to the first front face in a fluid-tight manner, and the second filter medium is fastened to the second front face in a fluid-tight manner. The supporting frame, the first filter medium, and the second filter medium enclose an interior space. The supporting frame includes a passage opening, a first filter element being situated in the interior space and being connected, in a fluid-conducting manner, to an exterior space of the liquid filter using the passage opening.

Abstract: An oil pick-up assembly includes an upper housing having an upper shell extending from a first end of the assembly to a second end of the assembly. The upper shell defines a mounting plane of the assembly. The upper housing further includes an upper peripheral flange surrounding the upper shell. The oil pick-up assembly also a lower housing having a lower shell extending from the first end of the assembly to the second end of the assembly. The lower shell includes a first portion adjacent to the first end and substantially parallel to the mounting plane and a second portion adjacent to the second end and formed at a first oblique angle relative to the mounting plane. The lower shell also includes a lower peripheral flange surrounding the lower shell, the lower peripheral flange of attached to the upper peripheral flange of the upper housing to form a chamber.

Abstract: An oil sump, preferably made of plastic or metal, for motors or transmissions and having a filter housing, comprises a filter housing top shell, a filter housing bottom shell, a filter medium, a filter inlet, and a filter outlet, and an oil drain opening in the floor area of the oil sump, which is implemented in such a way that it is closable using an oil drain screw having external thread, which comes from the oil sump bottom side. The filter housing comprises an internal thread which is implemented to receive the external thread of the oil drain screw, the filter housing being at least partially fastened on the oil sump via the oil drain screw, which closes the oil drain opening and engages using its external thread in the internal thread on the filter housing side.

Abstract: A submersible pumping apparatus for displacing transmission fluid includes a pump operably coupled with a motor. A filter housing is attached to the pump and has a cavity with an inlet aperture extending to an exhaust port of the pump. A fluid filter is engaged with the cavity and has a filter cover with a relief valve disposed within an outlet aperture that extends from the cavity to an exit port on the filter cover. The relief valve is configured to open when a fluid pressure from the exit port reaches a threshold and close when the fluid pressure is below the threshold. A rotor cover is attached to the motor and has a circuit board for operating the motor, such that the rotor cover is configured to prevent the circuit board from being exposed to liquid.

Abstract: An oil additive includes a hydrotalcite-like compound, and a radical trapping agent having a melting point of 130° C. or higher.

Abstract: The invention relates to a fluid filter (1) comprising a collecting chamber (10) for a liquid which is separated from the fluid, in addition to a filter insert (4) which comprises a filter medium which is permeable to the fluid. The collecting chamber is arranged below the filter medium (5), and a liquid sensor (19) is arranged above the deepest point of the collecting chamber (10) and the liquid sensor (19) is protected from the liquid, at least sectionally, by means of a protective wall (18, 20). Said protective wall (18, 20) extends laterally and/or below the liquid sensor (19) and a liquid permeable connection is provided from the collecting chamber (10) to the fluid sensor (19).

Abstract: An oil management system to reduce and remove the amount of soot, rust or other contaminating particles in oil used in an engine, the oil management system comprising an oil filter assembly including a filter element and an additive cartridge, the additive cartridge configured to provide a means for continuously dispersing a small quantity of additive into the oil; an oxidation prevention means to prevent or diminish oxidation of metal in the oil management system; and an oil condition monitoring sensor to measure various aspects of the oil in the oil management system.

Abstract: The present invention provides a suction oil filter device for an engine or a transmission that has an oil inlet and an oil outlet on the filter housing, a suction oil pump connectable to the oil outlet, using which a partial vacuum may be generated between oil inlet and oil outlet, a fine filter medium and an ultra fine filter medium, which are situated between the oil inlet and the oil outlet. The fine filter medium is attached to the oil inlet or to the oil outlet, and the ultrafine filter medium is situated before the fine filter medium in the flow direction and in a secondary flow area of the filter housing. A high filtration performance may thus be achieved at low production outlay.

Abstract: A sump filter assembly for filtering hydraulic fluid supplied by a transmission sump includes a filter housing, a support member, a retainer member, and a biasing member. The filter housing has a top surface and a bottom surface, wherein the bottom surface opposes a bottom surface of the transmission sump. The support member includes a first end portion attached to the filter housing. The retainer member is slideably connected to the support member and includes a first end portion having a retaining surface, wherein the retaining surface opposes the top surface of the filter housing. The biasing member has a first end in contact with the retaining surface of the retainer member and a second end in contact with the top surface of the filter housing.

Abstract: An oil filter of a transmission for motor vehicles has one filter housing, at least one inlet opening for unfiltered oil, at least one outlet opening for filtered oil. A filter medium is arranged in the oil flow between the at least one inlet opening and the at least one outlet opening. The filter housing is formed from two shells connected with one another, a lower shell and an upper shell, and features a second outlet opening.

Abstract: An oil filtering and distributing device for supplying a first oil pump and a second oil pump of an aircraft engine, the pumps sucking up oil in a common housing, the device including a casing with a lower part and an upper part; a first sleeve coupling for supplying the first pump; a second sleeve coupling for supplying the second pump; the casing including a first compartment receiving oil via a first screen and supplying the first pump with oil via the first sleeve coupling, a second compartment receiving oil via a second screen and supplying the second pump with oil via the second sleeve coupling, an isolator arranged between the first compartment and the second compartment.

Abstract: A centrifugal debris trap is provided for collecting debris within various parts of the transmission. The debris trap includes a porous material that disposed in various parts of the transmission. For example, the debris trap may be located within or on any transmission component that rotates or is stationary and that contacts automatic transmission fluid. Particular locations of the debris trap include but are not limited to the torque converter, damper, one or more clutch hubs, one or more clutch pistons, one or more clutch piston dams, including rotating hubs, rotating housings and rotating pistons, gears, gear carriers, electric motors, sprockets, bearings, and flanges.

Abstract: The mounting support (S) for a filter canister (2) comprises a base (30) connected to the lubrication circuit of an internal combustion engine and an attachment interface for the canister, the base (30), of plastic material, having a liquid inlet (31) and a liquid outlet (32), the attachment interface (40) being a single piece, preferably metal, which has: an axial sleeve (41) connecting with the canister, a first annular sealing zone (51) being formed between the base (30) and the axial sleeve; an annular external portion (42) integral with the sleeve and connected to the base by forming a second annular sealing zone (52); at least one opening (43) enabling liquid to circulate between the first and second sealing zones and communicating with the inlet or outlet. A filter comprising the support (S) and the canister (2) is also described.

Abstract: Novel filter elements for sequestering acids from oil or fuel, the strong base flocs that comprise the filter elements, and methods of their preparation and use are disclosed. The filter elements comprise a mechanically linked interlocking fiber matrix interspersed with strong base particle flocs wherein the strong base particles constitute at least 30% by weight of the filter element. Certain filter elements may be useful for sequestering acids or neutralized acids in certain oils or fuels, for example, the acids originating in the combustion and lubrication system of an internal combustion engine or those contained in oils in an oil circulation system. Other filter elements may be useful for reducing oxidation of an oil.

Abstract: The present disclosure is related to a transmission for a powered vehicle. The transmission includes a housing defining an interior of the transmission and a fluid supply portion disposed in the housing. The fluid supply portion is configured to supply fluid throughout the transmission. The transmission also includes a first fluid circuit disposed within the housing and defining a first fluid path in fluid communication with the fluid supply portion. A second fluid circuit fluidly defines a second fluid path in fluid communication with the fluid supply portion. The transmission further includes a coupling mechanism for fluidly coupling the first fluid circuit and second fluid circuit, wherein the second fluid circuit is disposed outside the housing of the transmission.

Abstract: An oil circulation system and method for continuously purifying engine oil including an engine operably connected to an oil reservoir, wherein at least one stream of oil is conveyed from the oil reservoir to the engine via a conduit, and circulated through the engine and conduit via engine operating pressure and/or one or more pumps, and at least one membrane unit positioned in a path of the oil stream such that oil containing dissolved/emulsified droplets of water is fed continuously through the membrane unit. A cross flow hollow fiber module adapted to be positioned in a system for continuously purifying engine oil, the hollow fiber module having a central feed distributor tube, hollow fiber membranes positioned around the central feed distributor tube, end caps with ports for receiving and emitting a flow of sweep air, and optionally a shell casing, wherein the central feed distributor tube includes openings sized and positioned to allow oil to flowing into the feed distributor tube to flow out radially.

Abstract: The present invention provides a lubrication apparatus configured to supply oil to one or more supply portions in an internal combustion engine. This lubrication apparatus includes a first member including a hydrotalcites compound that is provided in an oil passage, and a second member that is provided in the oil passage and includes a reaction substance having a function of trapping a metallic component separated from the hydrotalcites compound.

Abstract: A filter apparatus has a housing, an inlet port on one side of the housing and an outlet port on an opposed side of the housing. Sheet media is disposed in the housing having a first opening through the sheet media. Also dispersed in the housing is a bag media comprising an enclosed bag with a second opening into the bag. The first opening and the second opening are connected in fluid communication with each other and the sheet media is disposed before the bag media in the direction of flow through the housing so that both media are mounted inside the housing. Some fluid entering the inlet passes through both openings and through the bag media and into the outlet, and other fluid entering the inlet passes through the sheet media and then to the outlet.

Abstract: A filtering system (9) includes a filter head (12) and a replaceable filter (10). The filter head (12) has a feed line (66) and discharge line (62). The replaceable filter (10) is removable and replaceably mounted onto the filter head (12) by a rotational and/or plug connection (15) and includes a housing (17) with at least one inlet (26) for oil to be filtered and at least one outlet (28). The inlet (26) communicates with the feed line (66). The outlet (28) communicates with the discharge line (62). The housing (17) has a filtering element (34) that sealingly separates the inlet (26) from the outlet (28). The filter head (12) includes an auxiliary oil line (60). The replaceable filter (10) has a flow control element (53) that automatically closes or releases the auxiliary oil line (60) dependent on an operation and/or assembly condition.

Abstract: Disclosed are articles, lubrication systems, and methods that sequester lubricant viscosity modifiers via adsorption of the viscosity modifier molecules onto a molecular sieve material at lubricant temperatures below a threshold temperature and release of the viscosity modifier molecules from the molecular sieve material at lubricant temperatures at about the threshold temperature so that the viscosity modifier molecules are in the lubricant at temperatures from about the threshold temperature and higher. In this way, the viscosity modifier molecules are removed from the lubricant at temperatures where the lubricant has sufficient viscosity but released into the lubricant when they can useful increase the lubricant viscosity because it otherwise would be too low.

Abstract: An oil strainer includes a body member which includes a circumferential wall projecting in a first (downward) direction toward an oil pan, and a cover member covering an inside space surrounded by the circumferential wall, and including a suction hole to suck an oil from the oil pan. The body member further includes a communication hole opened into the inside space surrounded by the circumferential wall and adapted to lead to the inlet side of an oil pump, and a discharge hole opened into the inside spaces, and adapted to receive the oil discharged from a pressure regulating valve. The body member further includes a partition wall extending from the circumferential wall, and separating the communication hole and the discharge hole.

Abstract: A hydraulic control device includes a valve body having oil passages, a solenoid valve incorporated in the valve body, an oil pan that is disposed below the valve body and that accumulates hydraulic oil, and a strainer which, as well as being disposed between the valve body and the oil pan, has a filtering medium which filters the hydraulic oil suctioned from the oil pan. The strainer is fixed to the oil pan by a magnetic force of at least one magnet.

Abstract: An oil sump, preferably made of plastic or metal, is provided for engines or transmissions, the oil sump comprising a filter housing including a filter housing top shell, a filter housing bottom shell, a filter medium, a filter inlet, and the filter outlet, and having an oil drain opening in a floor area of the oil sump, implemented in such a way that it is closable using an oil drain screw having external thread, which comes from the oil sump outer side. The oil sump also includes a carrier unit having a frame, on which the filter housing is fastened and which is used as a seal upon fastening of the oil sump on the associated unit, in particular on an engine block or a transmission unit.

Abstract: An internal bypass filtration circuit including a microfine depth filtration cartridge, which operates in combination with the sump filter of an automatic transmission is disclosed. The present depth filtration cartridge functions to remove particulate matter as small as five microns to improve fluid cleanliness level without restricting fluid flow to the pump ensuring its volumetric efficiency. In one embodiment transmission fluid passes through a calibrated orifice in the bypass circuit to regulate flow to the depth filtration cartridge. In an alternate embodiment the depth filter media itself regulates filtration below a predetermined fluid pressure. The internal bypass circuit is installed by accessing a pressurized fluid circuit in the transmission valve body. A hydraulic bypass line interconnects such pressurized fluid circuit with the depth filtration cartridge, which is mounted internally of the transmission housing.

Abstract: The automatic transmission fluid filter includes a plastic upper case having an outlet port, a plastic lower case having an inlet port, and a filter element including a filter medium and a plastic holder frame holding the periphery of the filter medium and held between the upper case and lower case, at least one of the upper case and lower case including a pair of joint portions respectively joined to opposite walls a of the holder frame, and a connecting wall connecting the pair of joint portions and having a circular arc longitudinal cross section protruding outward of one case.

Abstract: A cleaning device for cleaning lubricating oil which circulates in a lubricating oil circuit has an intake to be connected with the lubricating oil circuit, through which a part quantity of the lubricating oil circulating in the lubricating oil circuit is to be fed to the cleaning and a return to be connected with the lubricating oil circuit for the returning of the cleaned lubricating oil into the lubricating oil circuit.

Abstract: A filter is provided with at least one metal component other than tin coated steel. A suitable metal material may be nickel flash treated steel or other than comparative metal material.

Abstract: A filter apparatus has a housing, an inlet port on one side of the housing and an outlet port on an opposed side of the housing. Sheet media is disposed in the housing having a first opening through the sheet media. Also dispersed in the housing is a bag media comprising an enclosed bag with a second opening into the bag. The first opening and the second opening are connected in fluid communication with each other and the sheet media is disposed before the bag media in the direction of flow through the housing so that both media are mounted inside the housing. Some fluid entering the inlet passes through both openings and through the bag media and into the outlet, and other fluid entering the inlet passes through the sheet media and then to the outlet.

Abstract: The invention relates to an oil filter apparatus comprising an oil inlet and an oil outlet, with a suction oil pump being connectable to the oil outlet with which a negative pressure can be produced between the oil inlet (and the oil outlet, a coarse filter medium and a fine filter medium which is arranged between the oil inlet and the oil outlet, with the oil filter apparatus being capable of allowing a volume share of the oil to pass permanently through the coarse filter medium irrespective of the viscosity of an oil passing through the oil inlet and of allowing at the same time the remaining volume share of the oil to pass through the fine filter medium.

Abstract: An assembly for filtering contaminants from automatic transmission fluid includes a housing including a first inlet and a second inlet, through which fluid enters the housing, and an outlet, through which fluid exits the housing; a first media filter located within the housing in a first fluid flow path between the first inlet and the outlet; and a second media filter located within the housing in a second fluid flow path between the second inlet and the outlet.

Abstract: A filter housing providing improved cleanliness is provided. In one embodiment, the filter housing includes a body, a cover plate and a clean fluid manifold assembly. The body has a first plenum defined therein which is configured to accommodate multiple filter elements. The clean fluid manifold having a recess and plurality of index tubes. The recess bounds a second plenum, wherein surfaces of the recess have been machined, or otherwise have had surface material removed to provide a smooth, clean and contamination free surface. The plurality of index tubes have a first end coupled to the clean fluid manifold and a second end extending into the first plenum, the second end of the index tube configured to engage with a filter element.

Abstract: A device for removing ferrous particulates from an oil stream within a motor vehicle includes a passage through which the oil stream flows and a magnet disposed within the passage. The passage defines a cavity in which the magnet is housed. The passage defines a substantially ninety-degree bend, such that particles suspended within the oil stream are propelled into the magnet before continuing along the passage. Preferably the device is disposed upstream of vehicle control valves, such that debris is removed from the oil stream prior to travel through the valves. Preferably, the cavity defines an overhang, which may be magnetic, with the overhang securing the magnet within the cavity and preventing particulates from re-entering the oil stream. An opening within the passage preferably defines the ninety-degree bend. The opening may be at least partially defined by the cavity. The magnet is preferably configured to be replaceable, removable, or both.

Abstract: Water and fuel contaminating material may be removed from a stream operating engine. A suitable membrane material is supported in a suitable housing. At least a portion of the contaminated oil stream is flowed over one side of the membrane and water and fuel material diffuses through the membrane to its other side where they are gathered and removed from the housing. The water and fuel material may be recovered separately using different membranes or different regions of a membrane. They may be swept from the membrane and housing a flow of air for disposition outside the housing.

Abstract: An oil strainer in which pressure loss by a turbulent flow in a case (10) is reduced as much as possible. The oil strainer has the case (10) having an inflow opening (112) and an outflow opening (122) that are at positions separated from each other, and also has a filter member (20) provided so as to partition the inner space of the case (10) into a space (SI) on the inflow opening (112) side and a space (SO) on the outflow opening (122) side. A guiding surface (13) is provided in the case (10), and the guiding surface (13) has dam-like ribs (113, 123), extends via a position behind the outflow opening (122) when viewed from the inflow opening (112) side, and converges the flow of oil toward the outflow opening (122).

Abstract: Methods and devices for separating oil from a mixture of oil and air are provided. In various embodiments, an air/oil separator includes a cylindrical housing that creates a circular flow path of the air and oil. Further, the air/oil separator may include various flow guides that improve the air/oil separation properties of the separator. Other embodiments include a turbine engine with a lubrication system that includes the improved air/oil separator.

Abstract: An oil baffle, a system, and a method are disclosed for separating a gaseous component from oil in a blow-by vapor for an internal combustion engine. An example system may include a cam cover configured to be mounted on a cylinder head. The system may also include an oil baffle that may have a generally planar body with a first face and a second face opposite the first face. The first face may be coupled to the cam cover and may define an oil separation chamber between the cam cover and the first face. The oil baffle may include one or more stiffening members coupled to and extending from and substantially normal to the second face.

Abstract: A filter medium for the filtration of oil, in particular in the oil circuit of gear mechanisms and internal combustion engines, comprises a first and a second filtration layer, the first filtration layer comprising an open filtration medium and being arranged on the second filtration layer comprising a tight filtration medium, an intermediate chamber being arranged between the first and the second filtration layer, so that the first and the second filtration layer are set apart from each other in the region of the intermediate chamber in the direction of filtration.

Abstract: An oil capturing device for capturing oil from crankcase gases. The oil capturing device includes a housing containing a central chamber and a rotor disposed in the central chamber. The rotor includes a shaft rotatable about an axis and a flange extending from the shaft towards the inner wall of the central chamber. The flange is in contact with the inner wall, and spirals along the shaft so as to define a gas passage interconnecting the inlet to the first port. The gas passage provides a passage for crankcase gases to flow from the inlet to the first port, and narrows as it proceeds from the inlet to the port so as to compress crankcase gases travelling from the inlet to the first port. The rotor may be operable by a motor, pulley connected to the engine, or a turbine driven by the engine's exhaust.

Abstract: A filter assembly where the filter element is designed to connect directly to the spud of a vehicle fluid system, for example an engine lubrication system, a fuel system, or a hydraulic system. This provides a direct connection between the filtered fluid and the fluid system. The need for a seal between the top endplate and the nutplate, as well as the coil spring within the shell, which are found in conventional spin-on filter assemblies can be eliminated, which reduces inventory and the number of parts forming the filter assembly, and facilitates manufacturing of the filter assembly.

Abstract: An oil sump, preferably made of plastic or metal, is provided for engines or transmissions, the oil sump comprising a filter housing including a filter housing top shell, a filter housing bottom shell, a filter medium, a filter inlet, and the filter outlet, and having an oil drain opening in a floor area of the oil sump, implemented in such a way that it is closable using an oil drain screw having external thread, which comes from the oil sump outer side. The oil sump also includes a carrier unit having a frame, on which the filter housing is fastened and which is used as a seal upon fastening of the oil sump on the associated unit, in particular on an engine block or a transmission unit.

Abstract: An oil sump, preferably made of plastic or metal, for motors or transmissions and having a filter housing, comprises a filter housing top shell, a filter housing bottom shell, a filter medium, a filter inlet, and a filter outlet, and an oil drain opening in the floor area of the oil sump, which is implemented in such a way that it is closable using an oil drain screw having external thread, which comes from the oil sump bottom side. The filter housing comprises an internal thread which is implemented to receive the external thread of the oil drain screw, the filter housing being at least partially fastened on the oil sump via the oil drain screw, which closes the oil drain opening and engages using its external thread in the internal thread on the filter housing side.

Abstract: A pump apparatus includes a gear pump assembly interposed between top and bottom drive gear assemblies, and coupler assemblies interposed between a bottom of the top drive gear assembly and a top of the gear pump assembly, and between a top of the bottom drive gear assembly and a bottom of the gear pump assembly. The drive assemblies rotate a pre-feed auger. A cyclone screen located within a cyclone housing is positioned over a shaft of the pre-feed auger and interposed between a blade of the pre-feed auger and the bottom drive gear assembly. An intake housing is positioned over the blade of the pre-feed auger, and regulates fluid intake into the pump. As fluid is taken into the pump, it is caused to spin by the action of the auger. This causes solids to be separated from the fluid and to be expelled through exhaust ports in the pump apparatus. As a result, fewer solids are permitted to travel northward with the pumped fluid, thereby helping to protect the components of the pump.

Abstract: An assembly for filtering contaminants from automatic transmission fluid includes a housing including a first inlet and a second inlet, through which fluid enters the housing, and an outlet, through which fluid exits the housing; a first media filter located within the housing in a first fluid flow path between the first inlet and the outlet; and a second media filter located within the housing in a second fluid flow path between the second inlet and the outlet.

Abstract: Novel filter elements for sequestering acids from oil or fuel, the strong base floes that comprise the filter elements, and methods of their preparation and use are disclosed. The filter elements comprise a mechanically linked interlocking fiber matrix interspersed with strong base particle floes wherein the strong base particles constitute at least 30% by weight of the filter element. Certain filter elements may be useful for sequestering acids or neutralized acids in certain oils or fuels, for example, the acids originating in the combustion and lubrication system of an internal combustion engine or those contained in oils in an oil circulation system. Other filter elements may be useful for reducing oxidation of an oil.

Abstract: A filter arrangement for liquids has a filter housing with a bottom part and a top part. A cylindrical filter element is inserted axially into the filter housing. At least one seal that, after assembly of the filter arrangement, effects closure of at least one return device for unfiltered liquid to be filtered is provided. The at least one seal is a beak valve arranged in the filter housing, wherein the at least one seal prevents return of unfiltered liquid as well as of filtered liquid of the filter element.

Abstract: Apparatuses and methods for filtering particulates and volatiles from fluid systems. The apparatuses and methods include a particulate filter section, an evaporator section positioned adjacent the particulate filter section, and a manifold coupled to at least one of the particulate filter section and the evaporator section to direct flow through the apparatuses as desired.

Abstract: A low profile transmission filter system is provided that is connectable between a transmission casing and an oil pan. The filter system includes a filter housing with an open bottom and a flange there around and forming a tubular opening opposite the open bottom. A seal member is secured along the flange and has two ends spaced from one another to define a gap there between. The seal member compresses against an inner surface of the oil pan when the oil pan is connected to the transmission casing to define a filter cavity within the filter housing with an inlet at the gap.

Abstract: An oil strainer for a transmission including a resin-made upper case which is formed in a side surface of an upper part of a communication port for communication with a pump and which has an upper flange along the outer periphery thereof, a resin-made lower case which is provided with an oil suction port in a lower surface thereof and which has a lower flange joined to the upper flange of the upper case, and a filter member which is disposed in a space formed by joining the upper and lower cases and which filters an oil flowing from the oil suction port to the communication port. The oil strainer is configured to further includes an oil suction port cover member which is so formed as to cover at least an inside upper surface of the oil suction port and which forms a passage for conducting the oil to the filter member.

Abstract: A fuel filter device includes a bag-shape filter body and a space forming member disposed in the filter body. The filter body includes an upper surface part, and a lower surface part welded with the upper surface part at edges to form a bag shape. At least the lower surface part has a woven mesh outer layer part, a first inner layer part situated adjacent to the outer layer part and formed of a melt blown non-woven cloth, and a second inner layer part situated adjacent to the first inner layer part at a side opposite to the outer layer part. The second inner layer part is formed of a spun-bonded non-woven cloth. The upper surface part and the lower surface part are all made of polypropylene that is not soaked and swollen with fuel to thereby maintain a mesh size of the filter body without change.

Abstract: The disclosed self-cleaning filtration system and self-cleaning filter solves various problems by replacing a standard filter cartridge with an adapter screwed in place of the cartridge, a filter of limited size with a motor for rotating an inlet cover plate and an outlet cover plate over a body with a plurality of longitudinal channels inside of a circumferential filtration media where the different parts of the media are used alternately in forward and backward flow.