| Patent application number | Description | Published |
|---|
| 20090301045 | Seal Arrangement for Filter Element; Filter Element Assembly; and, Methods - A filter cartridge arrangement is provided which includes a media pack comprising Z-filter media, a preform and a housing seal member. Improvements in the preform and seal member are described which include: a single beveled surface of the seal member to facilitate installation; and, an inside region of the seal member having a tip adjacent in inwardly directed lip of the preform, to control flash during molding. A variety of media pack configurations and features are described. | 12-10-2009 |
| 20100032365 | Z-MEDIA HAVING FLUTE CLOSURES, METHODS AND APPARATUS - A single facer media is provided according to the invention. The single facer media includes a fluted sheet attached to a facing sheet and having a first end and a second end so that when the single facer media is formed into a media pack, the first end or the second end forms a media pack first face, and the other of the first end or the second end forms a media pack second face. Adhesive is provided between the fluted sheet and the facing sheet at the first end or the second end, and wherein the fluted sheet and the facing sheet are pushed together and adhered together at the location of the adhesive to provide a seal between the fluted sheet and the facing sheet. At least 25% of the flutes of the fluted sheet comprise at least one ridge extending along at least 50% of the flute length between adjacent peaks. Filtration media packs, filter elements, and methods for forming a single facer media are provided. | 02-11-2010 |
| 20100146919 | AIR FILTER ARRANGEMENT; AIR CLEANER ASSEMBLY; AND METHODS - A media pack for including in a filter cartridge of an air filter arrangement, is provided. The media is a non-rectangular perimeter configuration, an example shown being trapezoidal. Filter cartridges including such media packs, air cleaner assemblies and equipment systems are described. Also methods of use assembly are described. | 06-17-2010 |
| 20100170209 | Air filter arrangement; assembly; and, methods - An air filter arrangement, an air cleaner assembly including the air filter arrangement and methods of assembly and use are described. An air filter arrangement comprising a serviceable filter cartridge is described. The typical cartridge includes a recessed first flow face and an opposite outwardly projecting second flow face, with a central apex. Features of the cartridge, and an air cleaner for installation into the cartridge, are described. | 07-08-2010 |
| 20110048368 | RAINCAP PRECLEANER, MOTOR VECHILE HAVING A RAINCAP PRECLEANER, AND METHOD FOR PRECLEANING AIR - A raincap precleaner is provided according to the present invention. The raincap precleaner includes a sleeve, a cover, and a precleaner assembly. The sleeve is constructed for mounting on an air intake stack and has an air intake flow region for delivering intake air to the air intake stack. The cover includes a top portion having an annular circumference and a depending flange portion extending from the annular circumference of the top portion. The cover is arranged relative to the sleeve to provide a precleaner area and a precleaned air chamber. The precleaner assembly is provided extending around a periphery of the sleeve and in the precleaner area so that environmental air flows through the precleaner assembly and into the precleaned air chamber, and from the precleaned air chamber into the air intake flow region. The precleaner assembly comprises a plurality of inertial separators. A method for precleaning air and a motor vehicle are provided. | 03-03-2011 |
| 20110113736 | Filter assembly; components therefor; and, methods - Air filter assemblies and components therefor are described. The air filter assembly typically includes an air filter cartridge. Air filter cartridges including a media pack comprising at least a first stack of single facer strips are described. In examples described, at least a portion of the first stack of single facer strips is arcuate. Air filter assemblies are characterized that are configured, for example, to advantageously use such air filter cartridges. Example air filter assemblies are described that include pulse jet air cleaning systems. | 05-19-2011 |
