Thicker and thinner portions of a filter media sheet are provided in a filter element. The filter element includes a ring of filter media disposed around a central support tube. The filter media comprising a pleated layer of media including inner pleat tips adjacent the tube, and outer pleat tips radially outwardly spaced from the tube. The layer varies in thickness between the tips, such that a thinner portion of media is at the inner pleat tips than as at the outer pleat tips.
A filter assembly includes a media pack having a sheet of pleated filter media. The sheet of pleated filter media has a plurality of pleat panels. A first support panel is placed between two adjacent pleat panels in the plurality of pleat panels. A gasket is configured to circumscribe the media pack. Furthermore, the gasket is attached to the media pack.
A filter element comprises one or more several tubular filter media element segments, which may be pleated filter media ring segments. One or more heat activated disks are used to connect each tubular filter media element segments together and/or to connect tubular filter media element segments with one or more end cap supports. The heat activated disks are solid in form for assembly with tubular filter media ring segment and then heat activated to bond with tubular filter media ring segments. Multiple end caps can be simultaneously bonded to one or more tubular filter media element segments if a filter stack assembly of component are heated together, such as in an oven. Filter media may also be simultaneously cured. Heat activated disks may be used as pleat stabilizers and/or for and/or as part of end caps.
B01D 39/00 - Filtering material for liquid or gaseous fluids
B01D 25/02 - Filters formed by clamping together several filtering elements or parts of such elements in which the elements are pre-formed independent filtering units, e.g. modular systems
B29C 65/48 - Joining of preformed partsApparatus therefor using adhesives
B29C 65/54 - Applying the adhesive between pre-assembled parts
B29C 65/70 - Joining of preformed partsApparatus therefor by moulding
C09J 5/06 - Adhesive processes in generalAdhesive processes not provided for elsewhere, e.g. relating to primers involving heating of the applied adhesive
A filter element is provided with a reinforcing structure that is embedded in a flow face of a filter media pack that may be provided by pleated filter media defining pleat tips. Another reinforcing structure can also be embedded into the other flow face such that both inlet and outlet faces are even further stabilized. The reinforcing structure can include a thermoplastic material and provided as a preform that is at least partially melted to form an embedding melt pool to allow the reinforcing structure to be embedded into one of the flow faces of the filter media pack, such that the reinforcing structure can embedded into and mechanically entraps pleat tips.
A pleated filter media pack comprises a filter media sheet folded along pleat folds to provide a plurality of pleats with panels. A plurality of elongated embossments formed into the filter media sheet that separated laterally by un-embossed/flat regions. At least one feature provides any one or more of the following: bridge strength laterally between the elongated embossments, panel/embossment rigidity, or intermittent contact points. Such feature can comprise any one or more of the following: variable height embossments with saddles formed into the embossments; offset alignment of the elongated embossments; bridge embossments formed into the un-embossed/flat regions; or angled alignment of the elongated embossments.
B01D 29/07 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor with flat filtering elements supported with corrugated, folded or wound filtering sheets
B01D 46/10 - Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
B01D 46/52 - Particle separators, e.g. dust precipitators, using filters embodying folded material
In an embodiment, a filter media support frame for supporting first and second panels of filter media in a spaced apart relation is provided. The filter media support frame includes a first panel support, a second panel support and a connection portion. The first panel support has a first inner side and a first outer side. The second panel support has a second inner side and a second outer side. The second inner side faces the first panel support. The first connection portion hingedly connects to the first panel support by a first hinge portion and hingedly connects to the second panel support by a second hinge portion. Filter elements including the filter media support and filter media are provided.
A filter assembly that includes a housing and filter media disposed within the housing. A top end cap has an annular end plate attached to a top end of the filter media, and an axially-extending center tube. The top end cap has a first opening configured to allow a flow of fluid into the housing, and has a second opening that provides a means for discharge of the flow of fluid from the housing.
B01D 29/11 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
An air filter element and air filter system are provided. The filter element has an annular gasket that has multiple portions. A first portion provides axial sealing while a second portion provides only radially sealing. The filter element includes a frame with a radial abutment for engagement with a tooth on a filter housing for providing lateral biasing to the portion of the gasket that provides radial scaling.
Filter elements and methods of manufacturing filter elements are provided. Examples of filter elements include a media pack and a frame attached thereto. In one example, the frame includes a side panel that is or includes a foldable portion. The foldable portion is folded away from the media pack and an adhesive is located therebetween during assembly. In other examples, a media support member is provided that includes at least one side support panel that supports a side of the media pack. A portion of the side support member is positioned between adjacent pleat panels of the media pack.
A filter element is provided. The filter element includes a filter media pack including an outer surface. The outer surface extending between a first flow face and a second flow face. The filter element also includes a polymeric coating applied to the outer surface of the filter media pack, wherein the polymeric coating is not a molded structure. In embodiments, the polymeric coating covers at least 25% of a span between the first flow face and the second flow face and has an average thickness of between 0.005 and 0.100 in. In other embodiments, the polymeric coating has a surface roughness of at least 50 μin to provide an outer gripping surface. A method and system for applying the polymeric coating to the filter element are also provided.
Thicker and thinner portions of a filter media sheet are provided in a filter element. The filter element includes a ring of filter media disposed around a central support tube. The filter media comprising a pleated layer of media including inner pleat tips adjacent the tube, and outer pleat tips radially outwardly spaced from the tube. The layer varies in thickness between the tips, such that a thinner portion of media is at the inner pleat tips than as at the outer pleat tips.
B01D 46/00 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
B01D 46/24 - Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
B01D 46/52 - Particle separators, e.g. dust precipitators, using filters embodying folded material
B01D 29/11 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
B01D 29/21 - Supported filter elements arranged for inward flow filtration with corrugated, folded or wound sheets
12.
Filter Cartridge Including U-Shaped Canted Inlet Frame; Filter System Including Same
A filter system and a filter cartridge for use in the filter system is provided. The filter cartridge includes a primary media pack, a precleaner media and a housing engagement member. The primary media pack has an outer perimeter and opposite first and second primary flow faces. The precleaner media has an outer perimeter and opposite first and second precleaner flow faces. The first precleaner flow face extends in a first plane parallel to and adjacent to the first primary flow face of the primary media pack. The second precleaner flow face extends in a second plane non-parallel to the first precleaner flow face and the first plane. The housing engagement member surrounds, at least in part, the primary media pack and surrounds, at least in part, the precleaner media. The housing engagement member includes a seal portion and a seal support portion.
A filter cartridge that includes a canister configured to hold a filter element. The canister has a canister body with an open end and an end closure. The end closure has a central annular element locating feature, and an annular frame portion circumscribing the central annular element locating feature. The canister body and end closure have cooperating geometry for retaining the end closure to the open end of the canister. The cooperating geometry includes an axial retention mechanism for maintaining an attachment between the canister and the end closure. The axial retention mechanism is configured to maintain the attachment solely via mechanical interference.
A filter cartridge is provided. The filter cartridge includes a pack of filter media having an inlet face and an outlet face. The filter media pack further includes opposite first and second sides and opposite first and second ends. The sides and ends extend transversely between the inlet and outlet faces. The sides also extend transversely between the ends such that each end has an external non-planar, curved or multifaceted geometry. The filter cartridge further includes a pair of end caps located against each end of the filter media pack. Each end cap has an internal surface with a geometry closely matching the geometry of the associated filter media pack end. Further, an adhesive is disposed between the filter media pack and the end caps to secure them together.
Filter elements and filter systems are provided. The filter element allows for a reversed flow of fluid through the filter element when flowing from a first port to a second port of a filter head of the filter system. The filter element includes a standpipe in a central cavity of a tube of filter media that is fluidly connected with an exterior of the tube of filter media by a radial flow conduit and an axial flow tube.
A filter element is provided. The filter element includes a filter media pack including an outer surface. The outer surface extending between a first flow face and a second flow face. The filter element also includes a polymeric coating applied to the outer surface of the filter media pack, wherein the polymeric coating is not a molded structure. In embodiments, the polymeric coating covers at least 25% of a span between the first flow face and the second flow face and has an average thickness of between 0.005 and 0.100 in. In other embodiments, the polymeric coating has a surface roughness of at least 50 μin to provide an outer gripping surface. A method and system for applying the polymeric coating to the filter element are also provided.
A filter system and a filter cartridge for use in the filter system is provided. The filter cartridge includes a primary media pack, a precleaner media and a housing engagement member. The primary media pack has an outer perimeter and opposite first and second primary flow faces. The precleaner media has an outer perimeter and opposite first and second precleaner flow faces. The first precleaner flow face extends in a first plane parallel to and adjacent to the first primary flow face of the primary media pack. The second precleaner flow face extends in a second plane non-parallel to the first precleaner flow face and the first plane. The housing engagement member surrounds, at least in part, the primary media pack and surrounds, at least in part, the precleaner media. The housing engagement member includes a seal portion and a seal support portion.
B01D 46/00 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
B01D 46/12 - Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
B01D 46/64 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series arranged concentrically or coaxially
18.
Heat activated adhesive for filters that may contain multiple elements
A filter element comprises one or more several tubular filter media element segments, which may be pleated filter media ring segments. One or more heat activated disks are used to connect each tubular filter media element segments together and/or to connect tubular filter media element segments with one or more end cap supports. The heat activated disks are solid in form for assembly with tubular filter media ring segment and then heat activated to bond with tubular filter media ring segments. Multiple end caps can be simultaneously bonded to one or more tubular filter media element segments if a filter stack assembly of component are heated together, such as in an oven. Filter media may also be simultaneously cured. Heat activated disks may be used as pleat stabilizers and/or for and/or as part of end caps.
B29C 65/00 - Joining of preformed partsApparatus therefor
B01D 25/02 - Filters formed by clamping together several filtering elements or parts of such elements in which the elements are pre-formed independent filtering units, e.g. modular systems
B01D 39/00 - Filtering material for liquid or gaseous fluids
C09J 5/06 - Adhesive processes in generalAdhesive processes not provided for elsewhere, e.g. relating to primers involving heating of the applied adhesive
A filter cartridge that includes a canister configured to hold a filter element. The canister has a canister body with an open end and an end closure. The end closure has a central annular element locating feature, and an annular frame portion circumscribing the central annular element locating feature. The canister body and end closure have cooperating geometry for retaining the end closure to the open end of the canister. The cooperating geometry includes an axial retention mechanism for maintaining an attachment between the canister and the end closure. The axial retention mechanism is configured to maintain the attachment solely via mechanical interference.
A filter such as a liquid filter for use with a filter head that includes a filter base collar is provided. The collar retains the filter to the filter base and includes a plurality of protrusions and receiving gaps between adjacent protrusions. The filter has a mounting interface including an inlet port, an outlet port and a plurality of radial projections, with the mounting interface configured for fluid communication filter head and with the radial projections being arranged in an annular array configured to pass through the receiving gaps and also configured to axially engage the protrusions of the collar.
Filter elements and filter systems are provided. The filter element allows for a reversed flow of fluid through the filter element when flowing from a first port to a second port of a filter head of the filter system. The filter element includes a standpipe in a central cavity of a tube of filter media that is fluidly connected with an exterior of the tube of filter media by a radial flow conduit and an axial flow tube.
B01D 29/23 - Supported filter elements arranged for outward flow filtration
B01D 29/92 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor having feed or discharge devices for discharging filtrate
B01D 36/00 - Filter circuits or combinations of filters with other separating devices
In an embodiment, a filter media support frame for supporting first and second panels of filter media in a spaced apart relation is provided. The filter media support frame includes a first panel support, a second panel support and a connection portion. The first panel support has a first inner side and a first outer side. The second panel support has a second inner side and a second outer side. The second inner side faces the first panel support. The first connection portion hingedly connects to the first panel support by a first hinge portion and hingedly connects to the second panel support by a second hinge portion. Filter elements including the filter media support and filter media are provided.
An air filter element and air filter system are provided. The filter element has an annular gasket that has multiple portions. A first portion provides axial sealing while a second portion provides only radially sealing. The filter element includes a frame with a radial abutment for engagement with a tooth on a filter housing for providing lateral biasing to the portion of the gasket that provides radial sealing.
Filter elements and methods of manufacturing filter elements are provided. Examples of filter elements include a media pack and a frame attached thereto. In one example, the frame includes a side panel that is or includes a foldable portion. The foldable portion is folded away from the media pack and an adhesive is located therebetween during assembly. In other examples, a media support member is provided that includes at least one side support panel that supports a side of the media pack. A portion of the side support member is positioned between adjacent pleat panels of the media pack.
A filter element comprises one or more several tubular filter media element segments, which may be pleated filter media ring segments. One or more heat activated disks are used to connect each tubular filter media element segments together and/or to connect tubular filter media element segments with one or more end cap supports. The heat activated disks are solid in form for assembly with tubular filter media ring segment and then heat activated to bond with tubular filter media ring segments. Multiple end caps can be simultaneously bonded to one or more tubular filter media element segments if a filter stack assembly of component are heated together, such as in an oven. Filter media may also be simultaneously cured. Heat activated disks may be used as pleat stabilizers and/or for and/or as part of end caps.
A filter such as a liquid filter for use with a filter head that includes a filter base collar is provided. The collar retains the filter to the filter base and includes a plurality of protrusions and receiving gaps between adjacent protrusions. The filter has a mounting interface including an inlet port, an outlet port and a plurality of radial projections, with the mounting interface configured for fluid communication filter head and with the radial projections being arranged in an annular array configured to pass through the receiving gaps and also configured to axially engage the protrusions of the collar.
In an embodiment, a filter media support frame for supporting first and second panels of filter media in a spaced apart relation is provided. The filter media support frame includes a first panel support, a second panel support and a connection portion. The first panel support has a first inner side and a first outer side. The second panel support has a second inner side and a second outer side. The second inner side faces the first panel support. The first connection portion hingedly connects to the first panel support by a first hinge portion and hingedly connects to the second panel support by a second hinge portion. Filter elements including the filter media support road filter media are provided.
A filter media block and filter element incorporating same are provided. Methods of forming a filter media block and filter element are also provided. The filter media block includes a block of filter media and an outer permeable layer. The outer layer provides support for the block of filter media.
A method of reinforcing a filter media pack as well as a reinforced media pack is provided. The method includes forming a media pack to have an inlet face and an outlet face. The method includes applying a reinforcing agent to the media pack. The reinforcing agent is applied in a flowable state. The method also includes hardening the reinforcing agent to form a reinforcing structure to reinforce the media pack. Filter element having such a reinforcing structure is also provided.
The disclosed filter element is configured for use within a housing of a filter assembly. The filter element includes an obround ring of filter media extending between an upper and lower endcaps and defines a dirty wet fuel region. The upper endcap of the filter element defines an inlet for receiving the dirty wet fuel, which flows into the dirty wet fuel region and radially outward through the filter media. The upper endcap may include an insert to define a flow chamber to distribute fuel into the dirty wet fuel region. A clean wet fuel region is defined outside the filter element and within the housing. After flowing through the inlet and the filter media clean wet fuel fills the clean wet fuel region. A water separator is disposed external to the filter media and defines a clean dry fuel region in communication with an outlet defined by the upper endcap.
F02M 37/34 - Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by filters or filter arrangements by the filter structure, e.g. honeycomb, mesh or fibrous
B01D 46/00 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
B01D 46/52 - Particle separators, e.g. dust precipitators, using filters embodying folded material
31.
FILTER ELEMENT HAVING INTERMITTENT COUPLING WITH HOUSING COVER
A filter assembly has a threaded cover that mates with a complementary thread on the filter housing. Rotation of the housing cover in a first direction moves the cover axially away from the housing, and rotation of the housing cover in a second direction opposite the first direction moves the cover axially toward the housing. An intermittent coupling between a filter housing cover and a filter element applies intermittent axial forces to the filter element as the housing cover is rotated in the first direction to separate the filter element from the housing along with the cover. The intermittent coupling includes components on the inside of the filter cover that engage with complementary components on the filter element during each revolution of the cover.
A filter assembly has a threaded cover that mates with a complementary thread on the filter housing. Rotation of the housing cover in a first direction moves the cover axially away from the housing, and rotation of the housing cover in a second direction opposite the first direction moves the cover axially toward the housing. An intermittent coupling between a filter housing cover and a filter element applies intermittent axial forces to the filter element as the housing cover is rotated in the first direction to separate the filter element from the housing along with the cover. The intermittent coupling includes components on the inside of the filter cover that engage with complementary components on the filter element during each revolution of the cover.
The filter cartridge locking assembly is configured to secure a collar within a housing of a filter cartridge. The collar includes first and second ends and fits into a circumferential retainer included on the housing. At least one notch is formed between the first and second ends of the collar for mating with at least one complimentary bead included on the retainer. An annular gap is defined on the collar for receiving a portion of the retainer. The retainer also receives a portion of the collar. The retainer is comprised of a first leg that extends radially outwardly and a second leg that extends substantially perpendicular to the first leg. The first and second legs interact with the collar in a surface-to-surface relationship while the at least one bead engages the at least one notch to form an axially and rotationally locked coupling between the housing and the collar.
Filters and filter assemblies including one or more shield elements to protect the filter media of the filters during installation of the filters into a filter housing of the filter assembly are provided. A filter includes first and second media packs, a housing seal system, a handle and a shield element. Filter media packs extend from a first end to a second end in a diverging manner. The first end has a length dimension and a width dimension that extend transversely. A shield element projects over the first and second media packs at the first end a span in the width direction of at least 40% of the width dimension defined by the first and second media packs and projecting a span in the length direction of at least 5% of the length dimension defined by the first end.
B01D 46/10 - Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
B01D 29/52 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection
B01D 46/42 - Auxiliary equipment or operation thereof
B01D 46/00 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
B01D 46/52 - Particle separators, e.g. dust precipitators, using filters embodying folded material
35.
Filter with perforated end cap and pre-formed gasket capping perforations
An air filter, an air filter assembly, and method of installing the air filter into a housing of the air filter assembly are provided. The air filter includes an attachment portion and a lock tab. The lock tab is carried by and resiliently moveable relative to the attachment portion. The lock tab is located radially outward from the attachment portion and movable circumferentially about a central axis of the air filter. Another feature relates to using an end stop in a housing as a catch. Yet another feature relates to using a perforated end cap and capping such perforations with a housing seal.
A filter element is provided. The filter element includes a filter media pack including an outer surface. The outer surface extending between a first flow face and a second flow face. The filter element also includes a polymeric coating applied to the outer surface of the filter media pack, wherein the polymeric coating is not a molded structure. In embodiments, the polymeric coating covers at least 25% of a span between the first flow face and the second flow face and has an average thickness of between 0.005 and 0.100 in. In other embodiments, the polymeric coating has a surface roughness of at least 50 μin to provide an outer gripping surface. A method and system for applying the polymeric coating to the filter element are also provided.
A filter element with an improved mounting frame and method of assembly are provided. The filter element includes a filter media pack with a mounting frame attached to the outer periphery of the filter media pack. The mounting frame defines a channel that holds a shut-off material for preventing leakage of an adhesive securing the mounting frame to the filter media pack. A filter element that includes a polymeric material between the filter media pack and the adhesive is also provided. The shut-off material may be pre-formed or applied in a flowable state.
A filter element for use in a housing of a filter assembly having a cover and a seal therebetween. The housing includes inlet and outlet valves. The filter element comprises a first endcap and a second endcap including an inlet valve actuator. A cylindrical ring of filter media extends axially between the first and second endcaps and surrounds a center tube that defines an outlet having an outlet valve actuator. A sleeve positioned to receive and exert force in a first and second direction surrounds a bias member. Threading the cover to the housing compresses the bias member causing the inlet and outlet valve actuators to actuate the inlet and outlet valves. Removing the cover causes extension of the bias member and the inlet and outlet valve actuators to retreat from the inlet and outlet valves before the seal between the cover and the housing is broken.
F01N 3/022 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous
B01D 46/00 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
Filter media packs and methods of forming the filter media packs are provided. The filter media packs include support beads for supporting flutes during winding of the filter media of the filter media pack. Filter media packs may also include stitch beads between adjacent layers of the filter media pack that are applied during the winding process to prevent slippage of adjacent layers of filter media. Methods of forming the filter media pack include applying the support beads or applying the stitch beads.
A filter element for use in a housing of a filter assembly having a cover and a seal therebetween. The housing includes inlet and outlet valves. The filter element comprises a first endcap and a second endcap including an inlet valve actuator. A cylindrical ring of filter media extends axially between the first and second endcaps and surrounds a center tube that defines an outlet having an outlet valve actuator. A sleeve positioned to receive and exert force in a first and second direction surrounds a bias member. Threading the cover to the housing compresses the bias member causing the inlet and outlet valve actuators to actuate the inlet and outlet valves. Removing the cover causes extension of the bias member and the inlet and outlet valve actuators to retreat from the inlet and outlet valves before the seal between the cover and the housing is broken.
A filter media block and filter element incorporating same are provided. Methods of forming a filter media block and filter element are also provided. The filter media block includes a block of filter media and an outer permeable layer. The outer layer provides support for the block of filter media.
A filter apparatus and method utilize a filter element having a central winding frame and a length of fluted filter material wound about the frame with the flutes of the media oriented substantially longitudinally, to thereby provide for filtration of a flow of fluid passing axially through the filter element. The winding frame is a substantially open, truss-like structure, having a smooth outer periphery and an axially extending winding feature to facilitate pulling the media into intimate contact with the smooth outer periphery during fabrication of the filter element. A leading edge of the filter media is anchored to a leading edge of the frame by a length of tape.
A fuel filter element includes an upper endcap, lower endcap, and a tubular filter media extending between the two. A water separator is located substantially within a first annular space defined by the filter media, with which it axially overlaps. A pin projects from the lower end of the filter element to fill a drain at the bottom of a filter enclosure. The filter element supports two seals of different diameters, axially offset from each other and configured to receive a standpipe to define a flow path for separated water to enter the standpipe. The filter element may include a drainage cap which defines an open volume and receives water draining through the lower endcap from a second annular space between filter media and a water separator. The invention further relates to an assembly including a standpipe and configured to mate with the disclosed filter element.
B01D 35/00 - Filtering devices having features not specifically covered by groups , or for applications not specifically covered by groups Auxiliary devices for filtrationFilter housing constructions
F02M 37/22 - Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
44.
Air filter with cantilever tab and engine air filter assembly incorporating same
An air filter, an air filter assembly, and method of installing the air filter into a housing of the air filter assembly are provided. The air filter includes an attachment portion and a lock tab. The lock tab is carried by and resiliently moveable relative to the attachment portion. The lock tab is located radially outward from the attachment portion and movable circumferentially about a central axis of the air filter. Another feature relates to using an end stop in a housing as a catch. Yet another feature relates to using a perforated end cap and capping such perforations with a housing seal.
An air filter, an air filter assembly, and method of installing the air filter into a housing of the air filter assembly are provided. The air filter includes an attachment portion and a lock tab. The lock tab is carried by and resiliently moveable relative to the attachment portion. The lock tab is located radially outward from the attachment portion and movable circumferentially about a central axis of the air filter. Another feature relates to using an end stop in a housing as a catch. Yet another feature relates to using a perforated end cap and capping such perforations with a housing seal.
Filters and filter assemblies including one or more shield elements to protect the filter media of the filters during installation of the filters into a filter housing of the filter assembly are provided. A filter includes first and second media packs, a housing seal system, a handle and a shield element. Filter media packs extend from a first end to a second end in a diverging manner. The first end has a length dimension and a width dimension that extend transversely. A shield element projects over the first and second media packs at the first end a span in the width direction of at least 40% of the width dimension defined by the first and second media packs and projecting a span in the length direction of at least 5% of the length dimension defined by the first end.
Filters and filter assemblies including one or more shield elements to protect the filter media of the filters during installation of the filters into a filter housing of the filter assembly are provided. A filter includes first and second media packs, a housing seal system, a handle and a shield element. Filter media packs extend from a first end to a second end in a diverging manner. The first end has a length dimension and a width dimension that extend transversely. A shield element projects over the first and second media packs at the first end a span in the width direction of at least 40% of the width dimension defined by the first and second media packs and projecting a span in the length direction of at least 5% of the length dimension defined by the first end.
B01D 46/10 - Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
B01D 29/52 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection
B01D 46/42 - Auxiliary equipment or operation thereof
B01D 46/52 - Particle separators, e.g. dust precipitators, using filters embodying folded material
B01D 46/00 - Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
A filter element has a ring of a first filter medium disposed between upper and lower end caps. A center tube extends between the upper and lower end caps radially inwards of the first filter medium. Holes in the center tube, adjacent the upper end cap, allow fluid to pass through the center tube towards a separator tube. The separator tube contains a second filter medium that strips water from the fluid into a fluid reservoir below the lower end cap. A radially offset duct defining a fluid passage extends from below the lower end cap to above the upper end cap.
F02M 37/22 - Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
B01D 35/00 - Filtering devices having features not specifically covered by groups , or for applications not specifically covered by groups Auxiliary devices for filtrationFilter housing constructions
B01D 27/14 - Cartridge filters of the throw-away type having more than one filtering element
49.
FILTER WITH PREFORMED END CAPS HAVING NOTCH FEATURE
A filter including a filter media pack, first and second preform members and first and second adhesives is provided. The first preform member is disposed over the media pack. The first preform member has a wall defining a well. The wall defines a notch. The first adhesive in the well attaches the first preform member to the filter media pack. The first adhesive has a contact region disposed in the notch. The second preform member is disposed over the first preform member. The second adhesive bonds the first preform member over the first preform member. The second adhesive engages with the first adhesive at the contact region.
A filter including a filter media pack, first and second preform members and first and second adhesives is provided. The first preform member is disposed over the media pack. The first preform member has a wall defining a well. The wall defines a notch. The first adhesive in the well attaches the first preform member to the filter media pack. The first adhesive has a contact region disposed in the notch. The second preform member is disposed over the first preform member. The second adhesive bonds the first preform member over the first preform member. The second adhesive engages with the first adhesive at the contact region.
An air filter element fits upon an air cleaner housing with a bar element that is received into the outlet face of the air filter element. The air filter element has a receiver extending into the outlet face to accommodate the bar. In the case of a deep pleated pack for the filter element, a widened split may be provided to accommodate the bar. A protective member that can be provided as part of a basket may project into the outlet face to protect the air filter element pack at the receiver.
A filter cartridge including catches for ejecting the filter cartridge from a filter housing as the filter cartridge and filter housing are removed from a filter base is provided. The catches are configured to engage corresponding catches of the filter base to limit axial motion of the filter cartridge as the filter cartridge and filter housing are threadedly removed from the filter base.
B01D 29/21 - Supported filter elements arranged for inward flow filtration with corrugated, folded or wound sheets
B01D 29/96 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor in which the filtering elements are moved between filtering operationsParticular measures for removing or replacing the filtering elementsTransport systems for filters
B01D 27/00 - Cartridge filters of the throw-away type
A method of reinforcing a filter media pack as well as a reinforced media pack is provided. The method includes forming a media pack to have an inlet face and an outlet face. The method includes applying a reinforcing agent to the media pack. The reinforcing agent is applied in a flowable state. The method also includes hardening the reinforcing agent to form a reinforcing structure to reinforce the media pack. Filter element having such a reinforcing structure is also provided.
A multi-component end cap is provided. The multiple components combine to form one or more seal carriers where each seal carrier is formed in part by at least two different ones of the components. Methods of manufacturing an end cap having multiple components are also provided.
B01D 29/11 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
B01D 29/21 - Supported filter elements arranged for inward flow filtration with corrugated, folded or wound sheets
B01D 29/96 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor in which the filtering elements are moved between filtering operationsParticular measures for removing or replacing the filtering elementsTransport systems for filters
B01D 46/24 - Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
A filter apparatus and method utilize a filter element, defining a longitudinal axis and an axial end thereof, and having a central winding structure and a length of fluted filter material wound about the winding structure with the flutes of the media oriented to provide for filtration of fluid passing axially through the filter element. An edge of filter media defines the axial end of the filter element when the media is wound about the winding structure. An axial end of the winding structure is disposed adjacent the axial end of the filter element. A winding feature extends substantially axially outward from the axial end of the winding structure to a distal end of the winding feature. The filter media is wrapped about the winding structure such that the axial end of the filter element is disposed substantially flush with the distal end of the winding feature.
A filter system and filters and housing components for use in the filter system are provided. The filter system includes at least one filter received within a housing having a cover and a housing body. The filter includes at least one latch tab engaged by the cover to secure the cover. First and second seals seal the system. The latch tab extends axially beyond a catch of the housing body. A filter system is also provided that includes a pre-cleaner through which fluid moves in a first direction different than a second direction as the fluid flows through the filters thereof. Methods of servicing the filter system are also provided.
B01D 50/00 - Combinations of methods or devices for separating particles from gases or vapours
B01D 21/26 - Separation of sediment aided by centrifugal force
B01D 29/56 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
B01D 45/16 - Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by the winding course of the gas stream
A filter system and filters and housing components for use in the filter system are provided. The filter system includes at least one filter received within a housing having a cover and a housing body. The filter includes at least one latch tab engaged by the cover to secure the cover. First and second seals seal the system. The latch tab extends axially beyond a catch of the housing body. A filter system is also provided that includes a pre-cleaner through which fluid moves in a first direction different than a second direction as the fluid flows through the filters thereof. Methods of servicing the filter system are also provided.
A filter element is provided. The filter element includes a filter media pack including an outer surface. The outer surface extending between a first flow face and a second flow face. The filter element also includes a polymeric coating applied to the outer surface of the filter media pack, wherein the polymeric coating is not a molded structure. In embodiments, the polymeric coating covers at least 25% of a span between the first flow face and the second flow face and has an average thickness of between 0.005 and 0.100 in. In other embodiments, the polymeric coating has a surface roughness of at least 50 µin to provide an outer gripping surface. A method and system for applying the polymeric coating to the filter element are also provided.
A method of reinforcing a filter media pack as well as a reinforced media pack is provided. The method includes forming a media pack to have an inlet face and an outlet face. The method includes applying a reinforcing agent to the media pack. The reinforcing agent is applied in a flowable state. The method also includes hardening the reinforcing agent to form a reinforcing structure to reinforce the media pack. Filter element having such a reinforcing structure is also provided.
A filter media block and filter element incorporating same are provided. Methods of forming a filter media block and filter element are also provided. The filter media block includes a block of filter media and an outer permeable layer. The outer layer provides support for the block of filter media.
Filter media packs and methods of forming the filter media packs are provided. The filter media packs include support beads for supporting flutes during winding of the filter media of the filter media pack. Filter media packs may also include stitch beads between adjacent layers of the filter media pack that are applied during the winding process to prevent slippage of adjacent layers of filter media. Methods of forming the filter media pack include applying the support beads or applying the stitch beads.
A filter element with an improved mounting frame and method of assembly are provided. The filter element includes a filter media pack with a mounting frame attached to the outer periphery of the filter media pack. The mounting frame defines a channel that holds a shut-off material for preventing leakage of an adhesive securing the mounting frame to the filter media pack. A filter element that includes a polymeric material between the filter media pack and the adhesive is also provided. The shut-off material may be pre-formed or applied in a flowable state.
A filter element and multi-component holding assembly for a filter element is provided. The filter element includes first and second media panels, a support frame, a base frame and first and second end cap structures. Each filter media panel defines first, second, third and fourth sides. The first and second sides extend between the third and fourth sides. The support frame maintains the first and second filter media panels in a spaced orientation forming a cavity therebetween. The base frame defines a first opening in fluid communication with the cavity. The first end cap structure seals the third side of the first and second filter media panels and the second end cap structure seals the fourth side of the first and second filter media panels. The base frame has a first portion captured in the first end cap structure and a second portion captured in the second end cap structure.
A filter element and multi-component holding assembly for a filter element is provided. The filter element includes first and second media panels, a support frame, a base frame and first and second end cap structures. Each filter media panel defines first, second, third and fourth sides. The first and second sides extend between the third and fourth sides. The support frame maintains the first and second filter media panels in a spaced orientation forming a cavity therebetween. The base frame defines a first opening in fluid communication with the cavity. The first end cap structure seals the third side of the first and second filter media panels and the second end cap structure seals the fourth side of the first and second filter media panels. The base frame has a first portion captured in the first end cap structure and a second portion captured in the second end cap structure.
filters and filter media for air filtration in mobile diesel equipment, namely, vehicles; filters and filter media for air filtration in mobile and stationary machines that are powered by diesel engines
This invention relates to an apparatus for processing a baseplate assembly and more specifically to a transfer mechanism and a parts washer for processing baseplate assemblies. The transfer mechanism has a pivot arm that is mounted to a transfer and/or lift mechanism. The pivot arm holds a carrier unit having an abutment plate and a finger. The finger having an extended state and a retracted state relative to the abutment plate. The finger engaging and securing the baseplate assemblies to the carrier unit during the transport of the baseplate assemblies from a welder or tapper to a parts washer. The transfer mechanism picks the baseplate assemblies from the welder or tapper in a horizontally extending alignment and deposits the baseplate assembly in the parts washer in a vertically extending alignment. The parts washer then washes the baseplate assemblies, while the baseplate assemblies remain in a vertically extending alignment.
A method of reinforcing a filter media pack as well as a reinforced media pack is provided. The method includes forming a media pack to have an inlet face and an outlet face. The method includes applying a reinforcing agent to the media pack. The reinforcing agent is applied in a flowable state. The method also includes hardening the reinforcing agent to form a reinforcing structure to reinforce the media pack. Filter element having such a reinforcing structure is also provided.
Fuel treatment devices for diesel engines of non-land
vehicles and machines, namely filter/separators,
recycler/blenders, heaters, and replacement filters; fuel
treatment devices for land vehicle diesel engines, namely,
filter/separators, recycler/blenders, heaters and
replacement filters.
A coalescing filter assembly including a coalescing filter element is provided. The coalescing filter assembly includes a base housing and a cover housing that together form a coalescing chamber. Disposed within the coalescing chamber is the coalescing filter element. The coalescing filter element includes a frame with a partition that separates an unfiltered side from a filtered side of the coalescing filter assembly. A port connects the unfiltered side to the filtered side through the partition. A coalescing tube including coalescing filter media is connected to the port. Unfiltered fluid that enters the coalescing filter assembly is passed through the coalescing filter media such that the contaminants are removed to create a filtered fluid. The filtered fluid exits the coalescing filter assembly at an outlet of the coalescing filter assembly.
Hydraulic oil, lubrication oil, transmission oil, air,
coolant and fuel filters for automobiles, trucks, motorized
machinery and tractors, and replacement parts therefore.
A filter element is provided with a snorkel that facilitates bleeding of air along the outside periphery of a tubular filter media pack to a bleed chamber contained within the filter element. This may be employed in fuel filtration applications during installation and removal of filter elements whereby air can be temporarily trapped in a housing containing the filter element. The snorkel thus vents the air along the outside of the filter element and then into a bleed chamber where it can be communicated to a standpipe having an isolated bleed passage.
F02M 37/20 - Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatusArrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines characterised by means for preventing vapour lock
F02M 37/22 - Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
B01D 29/01 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor with flat filtering elements
B01D 29/21 - Supported filter elements arranged for inward flow filtration with corrugated, folded or wound sheets
B01D 35/00 - Filtering devices having features not specifically covered by groups , or for applications not specifically covered by groups Auxiliary devices for filtrationFilter housing constructions
B01D 36/00 - Filter circuits or combinations of filters with other separating devices
The present invention generally relates to filtration, and more particularly to filter assemblies including filter housings, filter elements and safety filter elements for filtering flowing fluid such as air.
A filter assembly, a filter cartridge and method of filter fluid are provided. The filter assembly includes a filter base, a filter housing and a filter cartridge within the housing. The filter cartridge strips water from the dirty fluid flowing through the assembly. The filter cartridge defines a pair of fluid flow paths extending through a central cavity thereof. The fluid flow paths carry and keep separated a flow of cleaned fluid after it passes through filter media of the cartridge as well as the water that has been stripped from the dirty fluid flow.
B01D 35/00 - Filtering devices having features not specifically covered by groups , or for applications not specifically covered by groups Auxiliary devices for filtrationFilter housing constructions
B01D 36/00 - Filter circuits or combinations of filters with other separating devices
B01D 29/21 - Supported filter elements arranged for inward flow filtration with corrugated, folded or wound sheets
A filter assembly and filter element are provided. The filter assembly includes a housing with a filter element disposed therein. The filter assembly also includes a separate and removable inlet tube which projects from an interior of the housing to an exterior of the housing through an opening in a lid of the housing. The filter element includes a ring of filter media with upper and lower end cap constructions attached to opposed ends of the ring of filter media. The upper end cap construction includes a base portion and an axial seal portion extending axially from the base portion. The lower end cap construction includes a support ring and a resilient portion.
A filter assembly and filter element are provided. The filter assembly includes a housing with a filter element disposed therein. The filter assembly also includes a separate and removable inlet tube which projects from an interior of the housing to an exterior of the housing through an opening in a lid of the housing. The filter element includes a ring of filter media with upper and lower end cap constructions attached to opposed ends of the ring of filter media. The upper end cap construction includes a base portion and an axial seal portion extending axially from the base portion. The lower end cap construction includes a support ring and a resilient portion.
A filter base cap for sealing and protecting a filter base once a filter has been removed for storage, shipping and transporting of a mechanical system is provided. The filter base cap attaches to the filter base of the system to prevent leakage of residual fluid within the system, such as an engine or other device, after the system has been tested. The filter base cap will provide fluid circulation in the event the mechanical system is started prior to replacing filter base cap with a filter that would otherwise provide fluid flow to the mechanical system.
A filter assembly, filter element, and methods associated therewith are provided. The filter assembly includes a housing and a primary element situated within the housing. The primary filter element is insertable into the housing along a first direction. The primary filter element includes a biasing arrangement for biasing the primary filter element in a second direction transverse to the first direction to form a seal within the housing.
A coalescing filter assembly including a coalescing filter element is provided. The coalescing filter assembly includes a base housing and a cover housing that together form a coalescing chamber. Disposed within the coalescing chamber is the coalescing filter element. The coalescing filter element includes a frame with a partition that separates an unfiltered side from a filtered side of the coalescing filter assembly. A port connects the unfiltered side to the filtered side through the partition. A coalescing tube including coalescing filter media is connected to the port. Unfiltered fluid that enters the coalescing filter assembly is passed through the coalescing filter media such that the contaminants are removed to create a filtered fluid. The filtered fluid exits the coalescing filter assembly at an outlet of the coalescing filter assembly.
F02M 37/22 - Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
B01D 53/92 - Chemical or biological purification of waste gases of engine exhaust gases
F02M 25/06 - Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding lubricant vapours
A fluted filter cartridge is provided. The fluted filter cartridge includes filter media including an inlet flow face and an outlet flow face. The inlet flow face and the outlet flow face are generally parallel. The filter cartridge includes a frame defining a central opening. The filter media is coupled to the frame such that fluid to be filtered may be directed through the central opening to the inlet flow face of the filter media. The frame includes a top surface. The inlet flow face of the filter media is located below the top surface of the frame.
A coalescing filter assembly including a coalescing filter element is provided. The coalescing filter assembly includes a base housing and a cover housing that together form a coalescing chamber. Disposed within the coalescing chamber is the coalescing filter element. The coalescing filter element includes a frame with a partition that separates an unfiltered side from a filtered side of the coalescing filter assembly. A port connects the unfiltered side to the filtered side through the partition. A coalescing tube including coalescing filter media is connected to the port. Unfiltered fluid that enters the coalescing filter assembly is passed through the coalescing filter media such that the contaminants are removed to create a filtered fluid. The filtered fluid exits the coalescing filter assembly at an outlet of the coalescing filter assembly.
Filter media, filter elements, and method of forming filter media and filter elements are provided. The filter media and filter elements require filtered fluid to pass through filter media twice. The filter media and filter elements generally relate to fluted or similar style filter media. The filter media is formed from convoluted sheets coupled to face sheets to form first and second sets of flutes. At least one of the flute sets includes inlet and outlet seals and the other one of the flutes includes an intermediate seal interposed between the inlet and outlet seals of the other flute set. This forces the fluid to pass through the filter media at least twice.
B01D 39/14 - Other self-supporting filtering material
B01D 29/07 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor with flat filtering elements supported with corrugated, folded or wound filtering sheets
B01D 46/52 - Particle separators, e.g. dust precipitators, using filters embodying folded material
97.
Three-part end cap and filter element including same
A multi-component end cap is provided. The multiple components combine to form one or more seal carriers where each seal carrier is formed in part by at least two different ones of the components. Methods of manufacturing an end cap having multiple components are also provided.
B01D 29/11 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
B01D 29/21 - Supported filter elements arranged for inward flow filtration with corrugated, folded or wound sheets
B01D 29/96 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor in which the filtering elements are moved between filtering operationsParticular measures for removing or replacing the filtering elementsTransport systems for filters
B01D 46/24 - Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
98.
THREE-PART END CAP AND FILTER ELEMENT INCLUDING SAME
A multi-component end cap is provided. The multiple components combine to form one or more seal carriers where each seal carrier is formed in part by at least two different ones of the components. Methods of manufacturing an end cap having multiple components are also provided.
A filter cartridge including catches for ejecting the filter cartridge from a filter housing as the filter cartridge and filter housing are removed from a filter base is provided. The catches are configured to engage corresponding catches of the filter base to limit axial motion of the filter cartridge as the filter cartridge and filter housing are threadedly removed from the filter base.
B01D 29/21 - Supported filter elements arranged for inward flow filtration with corrugated, folded or wound sheets
B01D 29/96 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor in which the filtering elements are moved between filtering operationsParticular measures for removing or replacing the filtering elementsTransport systems for filters
B01D 27/00 - Cartridge filters of the throw-away type
The present invention generally relates to filtration, and more particularly to filter assemblies including filter housings, filter elements and safety filter elements for filtering flowing fluid such as air.
