Class / Patent application number | Description | Number of patent applications / Date published |
055478000 | WITH SEPARATE FLOW LINE ACCESS MEANS OR FILTER MEDIA PASSAGE MEANS OFFSET TO FLOW PATH | 46 |
20090193773 | High flow V-bank filter - A V-bank air filter having a high air flow rate with low pressure drop is provided. In one embodiment, a V-bank filter includes a housing having a first pair and a second pair of pleated filter elements arranged in a vee configuration and comprising a unitary disposable filter. A centerline defined by the first pair of pleated filter elements defines an acute angle with a centerline defined by the second pair of pleated filter elements. | 08-06-2009 |
20110214403 | Tractor Cab Air Filter Housings - A tractor cab filter housing ( | 09-08-2011 |
20110252756 | Tractor Cab Air Filter Housings - A generally rectangular tractor cab air filter housing arrangement ( | 10-20-2011 |
20120272632 | AIR INTAKE FOR A PLANT - An air intake includes an air channel for an air stream passing through the air intake into the plant, and a particle filter assembly arranged in the air channel for removing particles from an air stream passing through the air channel, the particle filter assembly including a front and a back filter unit. The front filter unit is arranged before and in series with the back filter unit such that an air stream passing through the air channel passes through the front filter unit before passing through the back filter unit. The front filter unit is removable and replaceable by a fresh front filter unit while the back filter unit remains in the air channel and while an air stream is passing through the air channel during operation of the plant. The front filter unit has at least equal efficiency and dust holding capacity as the back filter unit. | 11-01-2012 |
20120311980 | FILTER ARRANGEMENT; SEALING SYSTEM; AND METHODS - A filter pack includes a filter construction and a sealing system for sealing the construction within a duct or housing. The filter construction has first and second opposite flow faces and is configured for a straight-through flow. The sealing system includes a frame construction and a compressible seal member. The compressible seal member is molded around a portion of the frame construction. The compressible seal member is sufficiently compressible to form a radial seal between and against the frame construction and a surface of a housing when the filter pack is inserted within the housing. | 12-13-2012 |
20130074462 | Filter Device, Especially Air Filter for an Internal Combustion Engine - A filter device comprises a filter element that is comprised of at least two radially nested filter bellows, wherein at least one filter bellows is to be flown through in the radial direction and a flow space for the fluid is formed between the filter bellows. Each filter bellows is embodied as a star-shaped filter with filter folds arranged in a star shape. On at least one end face of the filter element a sealing ring is arranged between a filter bellows and the filter housing. | 03-28-2013 |
20130199138 | Air cleaner; replaceable filter cartridges; and, methods - The disclosure concern air cleaners. Preferred air cleaners are shown which include a housing and a removable and replacement primary filter cartridge. Optional and advantageous features are shown. The preferred primary filter cartridge is conical in shape. A preferred optional safety or secondary filter cartridge is shown. Preferred methods of assembly and use are provided. | 08-08-2013 |
20140150385 | Filter with Covered Edges - A filter insertable into an air filter enclosure includes a flexible support member, a filter media layer, and a pair of end caps. The filter media layer is attached the support member. Side edges of the filter media layer are folded over edges of the support member to form filter cushions, such that the filter media layer covers the edges of the support member. The filter cushions are designed to conform to the air filter enclosure to ensure an effective seal between the enclosure and the filter. | 06-05-2014 |
20140325945 | AIR CLEANER REPLACEABLE FILTER CARTRIDGES; AND, METHODS - An air cleaner assembly, a main filter element, a safety element, combinations and methods for servicing an air cleaner assembly are provided according to the present invention. The air cleaner assembly includes an air cleaner housing and a main filter element. The air cleaner housing includes a safety liner that supports the main filter element, and can be configured to help reduce the tendency of the main filter element to rotate during use of the air cleaner assembly. A safety element having two open ends, for use with such an assembly is described. | 11-06-2014 |
20150020486 | FILTER HOUSING AND AIR FILTER UNIT FOR A COMBUSTION ENGINE - A filter housing ( | 01-22-2015 |
20160067643 | INTEGRATED FILTER SUPPORT - The present disclosure relates to an air handling system including a casing structure formed from a cohesive sheet of material. The air handling system also includes a first side wall of the casing structure including a first section of the cohesive sheet of material. The air handling system also includes a first support portion extending inwardly from the first side wall. The first support portion includes a folded portion of the first side wall. The air handling system also includes a second side wall disposed substantially opposite the first side wall. The second side wall includes a second section of the cohesive sheet of material. The air handling system further includes a second support portion extending inwardly from the second side wall. The second support portion includes a folded portion of the second side wall. The first and second support portions are configured to support a filter. | 03-10-2016 |
20160144310 | FILTER CARTRIDGE ARRANGMENTS AND ASSEMBLIES; PREFERRED FEATURES; METHODS OF ASSEMBLY AND USE - The present disclosure relates to filter assemblies. The features described and characterized are typically applied in gas (for example, air) cleaner assemblies. A typical use is in air cleaner assemblies for vehicles or other equipment. The techniques described relate, at least in part, to provision of assemblies with preferred configurations for convenient servicing and operation, while ensuring a proper cartridge is appropriately positioned, oriented and secured for use. Many of the techniques relate to arrangements in which features at opposite ends of a housing and/or cartridge are eccentrically positioned as described. | 05-26-2016 |
055479000 | For discrete filter particles | 1 |
20080295469 | HONEYCOMB FILTER - A honeycomb filter | 12-04-2008 |
055480000 | Access means is clamping or coupling means for unit filter media | 17 |
20090038278 | FLOW-THROUGH DEVICE AND CARTRIDGE APPLIED THEREBY - Flow-through device for fluids, consisting of: a housing ( | 02-12-2009 |
20090064645 | AIR FILTER HOUSING WITH GUIDES FOR AIR FILTER UNITS - An air filter housing ( | 03-12-2009 |
20100018174 | AIR CLEANER - In a filter element, at both ends of a cylindrical main filter medium having a space formed on its inner periphery side there are respectively formed a first cap having a communication port for communication of the space with the exterior and a second cap for closing the space, and a pre-filter medium is inserted removably into the space from the communication port. A case comprises a body case for accommodating the filter element removably from an opening thereof in a state in which a gap is formed between the body case and the outer periphery of the main filter medium, and a lid for closing the opening. With the lid attached to the body case, a gas inflow space (flow path) with the communication port positioned therein and a gas outflow space (flow path) with the gap positioned therein are partitioned from each other by a partitioning portion (upper fitting portion). An inlet port provides communication between the gas inflow space and the exterior and an outlet port provides communication between the gas outflow space and the exterior. | 01-28-2010 |
20100043366 | Air Filter Arrangement; Assembly and Methods - An air filter media construction or arrangement is disclosed. The air filter media construction or arrangement includes strips of media comprising corrugated sheets secured to facing sheets and forming inlet and outlet flutes secured to one another in a stack. A preferred projection/receiver arrangement is described. Methods of assembly and use are also provided. | 02-25-2010 |
20100107580 | FILTER DEVICE, ESPECIALLY AIR FILTER - A filter device has a housing assembled of a housing bottom part and housing top part. A filter element is inserted into the housing and is made of a filter medium. A locking device connects the filter element with the housing bottom part and the housing top part in a mounted position of the filter element inside the housing. The locking device has a locking element connected to the filter element. The housing bottom part and the housing top part each have locking parts, wherein the locking element engages the locking parts on the housing bottom part and the housing top part. | 05-06-2010 |
20110099960 | Filter Insert and Filter Device - A filter insert has a filter element with an end surface at an inlet side and an end surface at an outlet side that are spaced from one another in a main flow direction of the filter insert. A frame circumferentially extends about lateral sides of the filter element. An axial seal is supported on the frame and has a sealing direction in or opposite to the main flow direction. When inserted into a filter housing and contacting a sealing surface of the filter housing, the seal separates seal-tightly the inlet and outlet. The frame has on two opposite lateral sides of the filter element contact surfaces for clamping the filter insert by matching clamping elements. The contact surfaces are oriented opposite to the sealing direction and each have an individual profile of varying height extending along the two opposite lateral sides. | 05-05-2011 |
20110219735 | AIR FILTER ASSEMBLY - A filter assembly includes a housing including a first member and a second member, and supporting therein a filter. The second member is at least partially disposed within an interior of said first member, with said first member vertically moveable relative to said second member in response to an impact load. At least one latch mechanism removeably couples the first member to the second member. The latch mechanism includes a damper that is biased against a vertical wall of the housing. The damper is compressible in a horizontal direction in response to the vertical movement of the first member relative to the second member. | 09-15-2011 |
20120060453 | Air Cleaner with Endcap Cover - An air cleaner includes a housing and an air filter element. An endcap of the air filter element provides a removable cover for the housing. The endcap includes removal, insertion, orientation, and retention structure and methods for same. A clamping arrangement is provided with minimal space requirements. | 03-15-2012 |
20130133301 | MODULAR AIR FILTER - An air filter for exemplary use with forced air circulation systems includes a modular media core having rigid top and bottom media supports that are connectable with a variety of axial supports to form a high efficiency air filter cartridge useful with many different types of air circulation systems. | 05-30-2013 |
20130139483 | AIR CLEANER FOR VEHICLE - An air cleaner apparatus for a vehicle may include a filter assembly a case that accommodates the filter assembly therein, a door rotatably installed on the case to open/close the case, and a link unit having both end portions rotatably installed on the inside of the case and the door respectively, for making the filter assembly adhere closely to or release from the case while interlocking with the rotating door. | 06-06-2013 |
20130152526 | Filter Insert and Filter Device - A filter insert has a filter element with an end surface at an inlet side and an end surface at an outlet side that are spaced from one another in a main flow direction of the filter insert. A frame circumferentially extends about lateral sides of the filter element. An axial seal is supported on the frame and has a sealing direction in or opposite to the main flow direction. When inserted into a filter housing and contacting a sealing surface of the filter housing, the seal separates seal-tightly the inlet and outlet. The frame has on two opposite lateral sides of the filter element contact surfaces for clamping the filter insert by matching clamping elements. The contact surfaces are oriented opposite to the sealing direction and each have an individual profile of varying height extending along the two opposite lateral sides. | 06-20-2013 |
20130152527 | FILTER ARRANGEMENT, IN PARTICULAR AIR FILTER ARRANGEMENT - A filter arrangement may include a housing having two front walls substantially extended on both sides of a housing center plane and a circumferential wall connecting the front walls. The housing may include an untreated space inlet and a clean space outlet. A filter insert may be arranged between the inlet and the outlet and include two bottom discs that are adjacent to the side walls in the assembled state of the filter insert. The filter insert may include a filter wall extending between and connecting the bottom discs. The filter wall may extend substantially orthogonal to the housing center plane. A lateral disc may define an opening configured to be tightly connected to at least one of the inlet and the outlet. The front walls may be coupled to the bottom discs in the assembled state of the filter insert through interacting profile parts arranged on at least one of the front walls and the bottom discs into a double wall. | 06-20-2013 |
20130152528 | FILTER INSERT - A filter housing may include a filter insert configured to be inserted into the filter housing. The filter insert may have two spaced and opposite base discs and a filter wall configured to connect edge zones of the base discs. The filter insert may be penetrated by an opening connected to at least one of an untreated space inlet and clean space outlet of the housing. The opening is arranged in a flange plate connected in a leakproof manner to the base discs and the flange plate may be connected in a leakproof manner to the filter wall. | 06-20-2013 |
20140013720 | DUST FILTER MOUNTING APPARATUS - A dust filter mounting apparatus includes a side plate, a dust filter, and a latching member. The side plate includes a main plate defining a receiving recess, and a sidewall defining an opening communicating with the receiving recess. A resilient member is formed in the receiving recess. The dust filter is extended through the opening and slidably received in the receiving recess. A block is formed on the dust filter. The latching member is mounted to the main plate and includes a latch extending into the receiving recess and engaging with the block. When the dust filter is pressed into the receiving recess, the dust filter pushes the latching member to slide backward and away from the sidewall, the resilient member is deformed, and the latch disengages from the block, then the resilient member is restored to push the dust filter to slide partially out of the opening. | 01-16-2014 |
20140041346 | FILTER GROUP - A filter cartridge ( | 02-13-2014 |
20150345438 | AIR FILTER ASSEMBLY FOR A MACHINE - An air filter assembly for a machine is disclosed. The air filter may have a filter medium, and a side wall connected to the filter medium on a first side of the filter medium. The side wall may have a first engagement feature and a second engagement feature. At least one of the first engagement feature and the second engagement feature may project from the side wall. The first engagement feature and the second engagement feature may be configured to slidingly engage a filter housing | 12-03-2015 |
20160067642 | A FRAME ASSEMBLY FOR AN AIR FILTER - There is provided a frame assembly | 03-10-2016 |
055481000 | Unit transversely slidable through flow path | 16 |
20080216455 | AIR CLEANER - An air cleaner is provided with a housing having an opening, and a filter. The filter has a frame and an element supported to the frame. The filter is installed in the interior of the housing from the opening of the housing. A second seal surface of a seal ring of the filter is joined to a first seal surface of the housing in a state in which the filter is installed in the housing. A rib-shaped protection portion extending along the first seal surface is provided in the housing. The protection portion protrudes further toward the filter than the first seal surface. A slide protrusion protruding further toward the first seal surface than the second seal surface is provided in the frame of the filter. The slide protrusion can slide on the protection portion. | 09-11-2008 |
20080271423 | AIR FILTER HAVING FLUTED FILTER MEDIA - An air cleaner includes a housing and an access cover. The internal volume of the housing can be reached through an opening in a side wall of the housing. A filter element having fluted filter media is removable and replaceable from the air cleaner. The housing is constructed and arranged to cam the element into sealing engagement with the housing. The access cover includes structure to help support and ensure proper seating of the filter element within the housing. A method of installing the filter element in the air cleaner includes sliding a portion of the filter element against a slide surface in the housing. A method of servicing an air cleaner includes tilting the filter element against a tilt surface in the housing to release a seal between the filter element and the housing. The filter element can have a handle to assist in servicing of the air cleaner. The housing can have a window to allow visual inspection of the internal component of the housing and to determine visually whether a filter element is installed therein. | 11-06-2008 |
20100000188 | Filter Cassette Rack - A filter cassette rack and tracks wherein the rack is a three dimensional rectangular rack having at least two opposing open sides, sealing and non-sealing support tracks span the rack providing filter cassette guides and sealing means for a plurality of filter cassettes. | 01-07-2010 |
20100095642 | AIR FILTER HAVING FLUTED FILTER MEDIA - An air cleaner includes a housing and an access cover. The internal volume of the housing can be reached through an opening in a side wall of the housing. A filter element having fluted filter media is removable and replaceable from the air cleaner. The housing is constructed and arranged to cam the element into sealing engagement with the housing. The access cover includes structure to help support and ensure proper seating of the filter element within the housing. A method of installing the filter element in the air cleaner includes sliding a portion of the filter element against a slide surface in the housing. A method of servicing an air cleaner includes tilting the filter element against a tilt surface in the housing to release a seal between the filter element and the housing. The filter element can have a handle to assist in servicing of the air cleaner. The housing can have a window to allow visual inspection of the internal component of the housing and to determine visually whether a filter element is installed therein. | 04-22-2010 |
20100132321 | FILTER ARRANGEMENTS; SIDE-ENTRY HOUSINGS; AND METHODS - An air cleaner includes a housing and an access cover. The internal volume of the housing can be reached through an opening in a side wall of the housing. A filter element having fluted filter media is removable and replaceable from the air cleaner. The housing is constructed and arranged to cam the element into sealing engagement with the housing. The access cover includes structure to help support and ensure proper seating of the filter element within the housing. A method of installing the filter element in the air cleaner includes sliding a portion of the filter element against a slide surface in the housing. A method of servicing an air cleaner includes pushing the filter element against a pivot region in the housing to release a seal between the filter element and the housing. | 06-03-2010 |
20110232241 | Front Access Frame Sealing Mechanism for Filter Cassettes - A front access frame sealing mechanism for filter cassettes comprising at least one pair of posts extending inwardly from opposing sidewalls of a filter cassette housing wherein the posts have a head with a diameter exceeding that of the shaft of the post. At least one camming retainer is mounted adjacent each opposing sidewall about a post wherein each of camming retainer has a cam with a centrally oriented aperture with a diameter greater than the diameter of the post head for mounting about the posts. The cams have a flat portion and a extending handle portion, the flat portion becomes adjacent a sealing channel when in a sealing position. A sealing channel is adjacent each sidewall of the housing with a linear side adjacent front edges of at least one upstream filter cassette and having a channel holding each of the cams. | 09-29-2011 |
20110308209 | AIR FILTER AND AIR FILTER SYSTEM - An air filter and frame that cooperate to require alignment of the filter in a desired orientation in order for insertion to occur. At least one edge of the filter is offset from a right angle relative to other edges and the faces of the filter, and an obstruction is formed in the frame so that the filter can be inserted into the frame in only the desired orientation. Preferably two opposing edges of the frame are angled, and obstructions, such as small rails, are mounted in opposing sidewalls of the frame. | 12-22-2011 |
20120210687 | FILTER FOR INTERNAL COMBUSTION ENGINES - A filter for internal combustion engines, includes a rigid external casing provided with at least an inlet for a fluid to be filtered and an outlet for the fluid when filtered, and a filter cartridge located internally of the external casing, which includes a plurality of tubular filter walls arranged parallel to one another which are destined to be crossed by the fluid flowing from the inlet towards the outlet of the external casing; the external casing being conformed such as to delimit a pouch a transversal section of which, performed along a perpendicular plane to axes of the tubular filter walls, exhibits a prevalent line of development and a small width with respect to the prevalent line of development; the tubular filter walls being arranged internally of the pouch, side by side with one another, forming a single row which follows the prevalent line of development of the pouch. | 08-23-2012 |
20130031884 | FILTER HOUSING FOR ACCOMMODATING A PLURALITY OF FILTER SIZES - A filter housing includes a duct having at least one registration flange and an access port sized to pass a plurality of seating rail assemblies. Each seating rail assembly is releasably engaged with the duct includes a seating flange. By locating the seating rail assembly at a particular distance from the registration flange, a channel of different sizes can be formed for receiving a filter having a corresponding dimension. | 02-07-2013 |
20130180221 | FILTER MODULE - The invention relates to a filter module ( | 07-18-2013 |
20130232931 | INLINE DUCT FILTER - Inline duct filters are disclosed herein. An embodiment of a filter includes a box with an opening in the box, wherein a door is receivable in the opening. A channel is located in the box and proximate the opening, wherein a filter element is receivable in the opening and the channel. At least two air ports are located in the box, wherein an air path extends between the air ports and through the location for the filter element. | 09-12-2013 |
20140102057 | AIR FILTER HAVING FLUTED FILTER MEDIA - An air cleaner includes a housing and an access cover. The internal volume of the housing can be reached through an opening in a side wall of the housing. A filter element having fluted filter media is removable and replaceable from the air cleaner. The housing is constructed and arranged to cam the element into sealing engagement with the housing. The access cover includes structure to help support and ensure proper seating of the filter element within the housing. A method of installing the filter element in the air cleaner includes sliding a portion of the filter element against a slide surface in the housing. A method of servicing an air cleaner includes tilting the filter element against a tilt surface in the housing to release a seal between the filter element and the housing. The filter element can have a handle to assist in servicing of the air cleaner. The housing can have a window to allow visual inspection of the internal component of the housing and to determine visually whether a filter element is installed therein. | 04-17-2014 |
20140230385 | PLEATED FILTER WITH AUTOMATIC LOWER END HOLD DOWN - A filter for insertion into an air filter enclosure includes a pleated, collapsible filter having a flexible support member and a filter media layer, a top end cap and a bottom end cap. Side edges of the filter media layer cover the edges of the support member. The top end cap is configured for slidably mechanical attachment to a top portion of the enclosure. Weights and/or magnets are provided on the bottom end cap. The top end cap is guided into the top portion of the enclosure, after which the pleated media is released causing the bottom end cap to drop within the enclosure and magnetically attach itself to the bottom of the enclosure. | 08-21-2014 |
20150040527 | AIR CLEANER FOR VEHICLE - An air cleaner for a vehicle has an improved door locking structure that is not affected by the temperature of an engine compartment, and is configured to performing a door opening/closing operation and a filter replacing operation by simple manipulation. The air cleaner includes: a filter assembly; a case accommodating and providing access to the filter assembly; a door rotatably installed at the case that opens and closes the entrance of the case; an elastic member mounted between the door and the case to apply an elastic restoring force; and a locking unit installed that locks the door at a closed position and unlocks the door by one touch manipulation of pressing the door at the closed position. | 02-12-2015 |
20150052863 | Filter guide ring - A filter guide ring is disclosed which comprises a ring having a top surface, a bottom surface; an inner ring side, and an outer ring side, a first leg having a first short leg portion extending outwardly from the outer ring side, a first elbow connected to the first short leg portion, and a first long leg portion extending upwardly from the first elbow, a second leg having a second short leg portion extending outwardly from the outer ring side, a second elbow connected to the second short leg portion, and a second long leg portion extending upwardly from the second elbow, and a third leg having a third short leg portion extending outwardly from the outer ring side, a third elbow connected to the third short leg portion, and a third long leg portion extending upwardly from the third elbow. | 02-26-2015 |
20160115917 | Hollow Filter Element, Filter Housing, and Filter - A hollow filter element, including: a filter medium for filtering a fluid; wherein the filter element is a conical-oval rounded filter element; wherein the filter medium circumferentially surrounds an interior flow space of the filter element, wherein the filter medium circumferentially encloses around an element axis such that filter medium at least in one direction radial to the element axis is smaller on a first of the end sides of the filter medium than on a second of the end sides of the filter medium; wherein the filter medium has a first end body arranged at least on the smaller end side; wherein the first end body has at least one leveling element in the at least one direction of the smaller extent with respect to the element axis in a radially outer segment with respect to the element axis. | 04-28-2016 |