Spiral Or Cylindrical Patents (Class 55/498)
  • Patent number: 8523973
    Abstract: A filter element (1) for fluid filtration has a hollow-cylindrical filter medium (2) folded in a star shape, an outlet-side end plate (3) and a second end plate (4), a hollow-cylindrical supporting mesh (5) disposed in the interior (6) of the filter medium, wherein at the outlet-side end of the filter element, the supporting mesh has a connecting region (11) in which the supporting mesh (5) is provided with a coupling element (7). In the connecting region (7) the supporting mesh (5) includes a radially outwardly projecting collar (8) protruding beyond the outlet-side end face (9) of the filter medium. The outlet-side end plate (3) encloses the outlet-side end face (9) of the filter medium (2) and the collar (8) and has an annular axial seal (10).
    Type: Grant
    Filed: September 8, 2012
    Date of Patent: September 3, 2013
    Assignee: Mann + Hummel GmbH
    Inventors: Steffen Ackermann, Michael Kaufmann, Klaus-Dieter Ruhland
  • Patent number: 8512429
    Abstract: The lubricant coalescing filter element is provided that includes a cylindrical outer screen member, at least one filter element disposed inside the cylindrical outer screen member and being coaxial with the outer screen member, and a drainage arrangement disposed between the cylindrical outer screen member and the at least one filter element to drain accumulated lubricant out of the at least one filter element.
    Type: Grant
    Filed: February 19, 2010
    Date of Patent: August 20, 2013
    Assignee: Johnson Controls Technology Company
    Inventor: Thomas R. Barratt
  • Patent number: 8506667
    Abstract: Certain embodiments of the invention may include filters and methods for imparting structural support to a pleated filter material. According to an example embodiment, the method includes forming a filter structure from one or more sections of pleated filter media, wherein the filter structure comprises one or more filter pleats. The method also includes extruding a banding material to form one or more radial support regions in at least circumferential contact with at least one of an inner or an outer surface of the filter structure, and maintaining spacing between the one or more filter pleats of the filter structure with the one or more radial support regions.
    Type: Grant
    Filed: January 14, 2011
    Date of Patent: August 13, 2013
    Assignee: General Electric Company
    Inventors: Przemyslaw Krzysztof Nikolin, Jamison William Janawitz, Jason Mei
  • Patent number: 8506668
    Abstract: A filter element includes a filter media pack and an axial seal member configured to axially seal against a filter housing. The axial seal member may be supported by and attached to the filter media pack by a media pack seal member. Alternatively, the axial seal member may be carried by a frame, which is attached to the filter media pack by the media pack seal member.
    Type: Grant
    Filed: March 30, 2009
    Date of Patent: August 13, 2013
    Assignee: Baldwin Filters, Inc.
    Inventors: Kyle Swanson, Chad Banzhaf, Steven J. Merritt
  • Publication number: 20130199139
    Abstract: A filter, in particular a pocket filter for filtration in air systems and devices, comprises at least one filter pocket, which is formed by folding a filter medium. A method for producing a filter, in particular a pocket filter for filtration in air systems and devices, comprises forming at least one filter pocket by folding a filter medium over a self-contained folding edge. A filter, in particular a pocket filter for filtration in air systems and devices, is also provided, which comprises a filter pocket made of a filter medium, wherein the filter pocket is self-contained and wave-shaped.
    Type: Application
    Filed: December 21, 2010
    Publication date: August 8, 2013
    Applicant: SPHEREFIL GMBH
    Inventor: Adam Krueger
  • Publication number: 20130199138
    Abstract: 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.
    Type: Application
    Filed: March 11, 2013
    Publication date: August 8, 2013
    Applicant: DONALDSON COMPANY, INC.
    Inventor: DONALDSON COMPANY, INC.
  • Patent number: 8500835
    Abstract: A hollow body for capturing particles includes at least one at least partially permeable wall extending between two at least partially oppositely disposed openings and along a first longitudinal direction. The hollow body has a primary cross-sectional shape defining a first cross-sectional area. At least one of the openings defines a second cross-sectional area. The second cross-sectional area is greater than the first cross-sectional area. An exhaust-gas treatment device having an exhaust line and a motor vehicle having an exhaust-gas treatment device are also provided.
    Type: Grant
    Filed: March 14, 2012
    Date of Patent: August 6, 2013
    Assignee: EMITEC Gesellschaft fuer Emissionstechnologie mbH
    Inventors: Ludwig Wieres, Joachim Sittig, Hubertus Kotthoff
  • Patent number: 8496774
    Abstract: Approaches to providing z-filter media constructions are provided. Preferred corrugated media, filter constructions having such corrugated media, and filter systems using such filter constructions are provided. Also, preferred methods of forming filter constructions are provided.
    Type: Grant
    Filed: July 23, 2012
    Date of Patent: July 30, 2013
    Assignee: Donaldson Company, Inc.
    Inventors: Kevin Schrage, Eugene Lensing, Donald Mork, Troy Murphy, Jeff Rahlf, Gregory Reichter, Daniel Risch
  • Publication number: 20130180223
    Abstract: A filter element has a reinforcement band or ring along at least a portion of the perimeter thereof and performing a support function thereat preventing or minimizing damage upon attempted percussive cleaning of the filter element by service personnel striking the perimeter against an impact surface. Alternatively, a failure band or ring is provided along at least a portion of the perimeter and performs a designated failure function to a failure condition thereat upon attempted percussive cleaning, with the failure condition providing at least one of: a) an indication to service personnel that the filter element has been damaged and should not be re-installed; and b) a deformed condition preventing re-installation.
    Type: Application
    Filed: March 4, 2013
    Publication date: July 18, 2013
    Applicant: Cummins Filtration IP Inc.
    Inventors: Cummins Filtration IP Inc., Barry M. Verdegan
  • Patent number: 8486172
    Abstract: A filter element including an end cap is provided. The end cap includes an annular seal support carrying an annular seal member and a mounting arrangement to seal and support the filter element in a filter housing. The end cap is configure to engage with a mating engagement structure of the housing to provide self alignment feature of the filter element.
    Type: Grant
    Filed: November 7, 2008
    Date of Patent: July 16, 2013
    Assignee: United Air Specialists, Inc.
    Inventors: Travis Haynam, Steve Trame
  • Patent number: 8486174
    Abstract: 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.
    Type: Grant
    Filed: August 20, 2012
    Date of Patent: July 16, 2013
    Assignee: Donaldson Company, Inc.
    Inventors: Steven Scott Gieseke, Carolyn J. Finnerty
  • Patent number: 8480778
    Abstract: An air cleaner assembly and components therefor are provided. Features are described providing for a cantilevered support of a filter cartridge contained therein, and also, in some examples anti-rotational support. Also, a supported housing seal is shown. A filter cartridge arrangement is described and shown. Methods of assembly and use are also described.
    Type: Grant
    Filed: November 28, 2011
    Date of Patent: July 9, 2013
    Inventors: Michel Baseotto, Roberto Merckx, Julien Dils, Paul Coulonvaux
  • Patent number: 8480776
    Abstract: An air filtration device for a compressor is disclosed. A sealing head is fixed onto an opening of the compressor and has a first-end opening, a second-end opening and a screw hole; the first-end opening has a first thread; a sealing cap is coupled to the second-end opening and includes a cover plate, a screw and a first positioning portion; the screw is screwed into the screw hole; an air filter is coupled to the first-end opening and includes a filter core and a filter cover; the filter cover has a second thread and a second positioning portion, and the second threads are engaged with the first threads, and the second positioning portion is positioned on the first positioning portion. When the air filter is rotated, the cover plate is moved with the filter cover to seal or leave the second-end opening.
    Type: Grant
    Filed: December 22, 2011
    Date of Patent: July 9, 2013
    Assignee: Fu Sheng Industrial Co., Ltd.
    Inventors: Shang-Shung Jen, Shih-Ping Liu
  • Patent number: 8480774
    Abstract: A filter device, in particular a reflux vacuum filter, has at least one filter housing (7) in which at least one filter element (3) can be accommodated. The filter element defines a longitudinal axis (25), and has at least two valve units in the form of a bypass valve (V2) and of a pre-pressurizing valve (V1). The valve units are arranged concentric to and along the longitudinal axis (25) of each filter element (3).
    Type: Grant
    Filed: November 4, 2008
    Date of Patent: July 9, 2013
    Assignee: Hydac Filtertechnik GmbH
    Inventors: Werner Wilkendorf, Stefan Marschall
  • Patent number: 8475556
    Abstract: A secondary filter cartridge radially nested within and radially supported by a main filter cartridge. The secondary cartridge has a flexible multi-leg crown “with slits” which engage a receptacle of the main filter element for radial support and a central pin projection interior to the crown extending outwards to protect the crown from impact damage. The main filter cartridge bottom end disk has axially extending, spaced apart projections engaged into matching pockets or gaps provided between engaging inward projections on an interior end face of the filter housing, rotationally fixing or locking the filter housing and the main filter cartridge. The main filter cartridge includes an anti-rotation housing engagement member extending through a filter housing wall to the exterior indicating presence of a properly installed filter cartridge and rotatably locking position of the housing and main filter cartridge.
    Type: Grant
    Filed: October 5, 2011
    Date of Patent: July 2, 2013
    Assignee: Mann + Hummel GmbH
    Inventors: Anil Kori, Mario Rieger, Werner Blossey
  • Patent number: 8470085
    Abstract: A system for cleaning particulates and CO2 from power plant exhaust gases is described. The system includes a particulate filter for exhaust gases, a CO2 decomposition component, and a filter for cleaning electrolyte solution from the decomposition component.
    Type: Grant
    Filed: November 6, 2009
    Date of Patent: June 25, 2013
    Inventor: Yoshio Niioka
  • Patent number: 8460415
    Abstract: A filter element has a reinforcement band or ring along at least a portion of the perimeter thereof and performing a support function thereat preventing or minimizing damage upon attempted percussive cleaning of the filter element by service personnel striking the perimeter against an impact surface. Alternatively, a failure band or ring is provided along at least a portion of the perimeter and performs a designated failure function to a failure condition thereat upon attempted percussive cleaning, with the failure condition providing at least one of: a) an indication to service personnel that the filter element has been damaged and should not be re-installed; and b) a deformed condition preventing re-installation.
    Type: Grant
    Filed: January 17, 2013
    Date of Patent: June 11, 2013
    Assignee: Cummins Filtration IP Inc.
    Inventor: Barry M. Verdegan
  • Patent number: 8460425
    Abstract: 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. An optional mechanical interlock, operated with a non-threaded, movement of the cartridge, is provided between the primary filter cartridge and the housing. 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.
    Type: Grant
    Filed: August 1, 2011
    Date of Patent: June 11, 2013
    Assignee: Donaldson Company, Pnc.
    Inventors: James Scott, Carolyn Finnerty, Steven Gieseke, Douglas Iddings, William Juliar, Gregory LaVallee
  • Patent number: 8460424
    Abstract: Crankcase ventilation arrangements are shown. Preferred wet laid media materials, for use in such arrangements are described. Also described and shown are example crankcase ventilation components, parts for use with a preferred media described and characterized.
    Type: Grant
    Filed: May 1, 2012
    Date of Patent: June 11, 2013
    Assignee: Donaldson Company, Inc.
    Inventors: Robert M. Rogers, Brad E. Kahlbaugh, Paul L. Kojetin, Keh B. Dema
  • Patent number: 8460442
    Abstract: Fluted filter media includes filter material having a plurality of flutes formed therein having alternating ends of adjacent flutes closed to force fluid through filter material. A first embodiment of the filter media includes tapered flutes which have the open ends of the flutes larger in cross-section than the closed flutes, wherein the upstream open flutes converge toward the downstream end and the upstream closed end flutes diverge toward the downstream end. A second embodiment includes filter media which is asymmetric formed with dissimilar upstream and downstream flute cross-sections with larger flute openings to the upstream side of the filter. A third embodiment includes filter media with an upstream edge crushed to improve flow at the upstream edge. A fourth embodiment includes filter media with the upstream sealing material recessed from the upstream edge for reducing effects from blockages at the upstream edge of the filter.
    Type: Grant
    Filed: August 21, 2012
    Date of Patent: June 11, 2013
    Assignee: Donaldson Company, Inc.
    Inventors: Wayne M. Wagner, Gary R. Gillingham, Joseph C. Tokar, Daniel T. Risch, Jim C. Rothman, Fred H. Wahlquist, Bernard A. Matthys, Gregory L. Reichter, Stephen W. Sabelko, Bryan D. Patten
  • Patent number: 8449638
    Abstract: A filter arrangement includes a filter element, a frame construction secured to the filter element, and a handle member secured to the filter element. In preferred embodiments, the handle member is secured to the frame construction. Preferably, the filter element includes a central core member, wherein fluted filter media is coiled around the central core member. Preferably, the central core member includes a plurality of corrugations, wherein the corrugations mateably engage at least some flutes. Preferably, the handle member is integral with the central core member, and also includes a fastening member for connection to a frame construction on the filter element. Methods for cleaning air and servicing an air cleaner preferably include constructions as described herein.
    Type: Grant
    Filed: August 29, 2011
    Date of Patent: May 28, 2013
    Assignee: Donaldson Company, Inc.
    Inventors: Steven Scott Gieseke, William M. Juliar, Edward A. Steinbrueck, Wayne R. W. Bishop, Patrick Golden, Wayne C. Musselman
  • Patent number: 8444736
    Abstract: In a filter element (10) having a filter bellows (11) which is covered at each end by an end disk (13, 14), the end disks (13, 14) are each provided with at least one coupling element for coupling to a filter housing (20) and connected to one another via at least one central tube (12) spanning the filter bellows (11). Alternatively, a central tube which runs right through and onto which end disks and filter bellows are pushed and which is configured at its ends for coupling with parts of the housing is present.
    Type: Grant
    Filed: May 8, 2012
    Date of Patent: May 21, 2013
    Assignee: Mann+Hummel GmbH
    Inventors: Klemens Dworatzek, Ralf Bauder, Steffen Ackermann
  • Patent number: 8444735
    Abstract: An air cleaner having a housing body and a removable cover and a filter element, in which the cover and the filter element rotationally interfere with each other by engagement between an inside surface of the cover and an outer radial periphery of the filter element. A filter element includes a pair of end caps, filter media, and an outer wall on the end cap circumscribing the filter media, in which the outer wall is non-circular. A method of installing a filter element into a housing includes orienting a cover over an element and a housing body by engaging an inside surface of the cover and an outer radial periphery of the filter element to rotationally interfere with each other.
    Type: Grant
    Filed: April 4, 2012
    Date of Patent: May 21, 2013
    Assignee: Donaldson Company, Inc.
    Inventors: Paul R. Coulonvaux, Johan G. Dewit, Tom Hg Vranken
  • Publication number: 20130111859
    Abstract: A filter element is provided for filtering air in an inlet system of a gas turbine. The filter element includes a hydrophobic filter media that limits the passage of particulates and liquid from passing through the filter element. The filter media extends along a longitudinal axis and circumferentially about a central passageway that extends along the longitudinal axis. The filter media further includes a plurality of pleats. The pleats extend in a non-linear or helical orientation about the longitudinal axis. Adjacent pleats define a trough portion extending therebetween. The orientation of the pleats reduces liquid from accumulating and pooling within the trough portion and promotes drainage of the liquid from the filter element.
    Type: Application
    Filed: November 9, 2011
    Publication date: May 9, 2013
    Applicant: General Electric Company
    Inventor: Paul Sherwood Bryant
  • Patent number: 8435319
    Abstract: A filter unit (1) for the filtration of gaseous fluids has a filter web (13), which is wound in a spiral about a support core (18), and which is provided with parallel flow channels (16a, 16b) for the fluid. Flow channels (16a, 16b) which are directly adjacent to the support core, are covered by a cover element (4), which is connected to a component of the filter unit (1).
    Type: Grant
    Filed: December 4, 2008
    Date of Patent: May 7, 2013
    Inventors: Cedric Dackam, Jasris Jasnie
  • Patent number: 8419818
    Abstract: A protective device is provided for an air filter that is substantially cylindrical and is intended to equip in particular a generating set. The filter is intended to be press fitted to a duct of said set. The protective device includes at least two portions that are securable radially on the filter in order to form a protective case surrounding the filter.
    Type: Grant
    Filed: January 4, 2008
    Date of Patent: April 16, 2013
    Assignee: Cummins Filtration
    Inventor: Emmanuel Page
  • Patent number: 8419834
    Abstract: In at least some embodiments, the present invention relates to an air cleaner having a housing portion, and a low profile rain cover having an opening on an underside of the cover to allow unfiltered air to enter into the air cleaner. Also, in at least some embodiments, the present invention relates to an air cleaner including a housing and an additional component by which the air cleaner is capable of being directly coupled to a carburetor inlet. In some such embodiments, one or more protrusions can be provided within a channel formed by the housing/additional component to influence air flow. Further, in at least some embodiments, the present invention relates to an air cleaner having a shaped wall formed on a housing portion, where the shaped wall includes both an interior surface and an exterior surface by which air flowing within the air cleaner is imparted with helical motion.
    Type: Grant
    Filed: June 30, 2010
    Date of Patent: April 16, 2013
    Assignee: Kohler Co.
    Inventors: Terrence M. Rotter, Kevin G. Bonde, William D. Koenigs, Shaoping Wang
  • Publication number: 20130086877
    Abstract: A secondary filter cartridge radially nested within and radially supported by a main filter cartridge. The secondary cartridge has a flexible multi-leg crown “with slits” which engage a receptacle of the main filter element for radial support and a central pin projection interior to the crown extending outwards to protect the crown from impact damage. The main filter cartridge bottom end disk has axially extending, spaced apart projections engaged into matching pockets or gaps provided between engaging inward projections on an interior end face of the filter housing, rotationally fixing or locking the filter housing and the main filter cartridge. The main filter cartridge includes an anti-rotation housing engagement member extending through a filter housing wall to the exterior indicating presence of a properly installed filter cartridge and rotatably locking position of the housing and main filter cartridge.
    Type: Application
    Filed: October 5, 2011
    Publication date: April 11, 2013
    Applicant: MANN+HUMMEL GMBH
    Inventors: Anil Kori, Mario Rieger, Werner Blossey
  • Patent number: 8414675
    Abstract: According to the present disclosure an air cleaner and air filter cartridge arrangement is provided. The air filter cartridge is a removable and replaceable cartridge for use in the air cleaner. The cartridge includes, among other things, an end cap having a preferred outwardly directed radial seal and a groove. The air cleaner includes a housing with a ring projecting into an interior, positioned to project against an end of the filter cartridge, when the filter cartridge is mounted for use. Methods of assembly and installation are described.
    Type: Grant
    Filed: April 2, 2008
    Date of Patent: April 9, 2013
    Assignee: Donaldson Company, Inc.
    Inventors: Douglas Lee Iddings, Jian Xu, Lloyd E. Weisert, James R. Scott
  • Patent number: 8409316
    Abstract: 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.
    Type: Grant
    Filed: November 8, 2006
    Date of Patent: April 2, 2013
    Assignee: Donaldson Company, Inc.
    Inventors: Benny Kevin Nelson, Sheldon Anderson, Thomas G. Miller, Ross Norman Anderson, John Orlin Kirkwold, Kevin Schrage, Troy Murphy, Donald Raymond Mork, Richard J. Osendorf
  • Patent number: 8404014
    Abstract: An arrangement separating a hydrophobic liquid phase from gaseous stream, for crankcase ventilation arrangements as described. The arrangement includes a media stage including media formed from a vacuum forming process and including at least 50%, by weight, bi-component fiber therein. Useable media formulations and arrangements are described.
    Type: Grant
    Filed: February 21, 2006
    Date of Patent: March 26, 2013
    Assignee: Donaldson Company, Inc.
    Inventors: Joseph Israel, Eugene Dunn, Keh B. Dema, Robert M. Rogers, Lorraine Keating-Klika, Leanne Kojetin
  • Patent number: 8404029
    Abstract: A crankcase ventilation filter assembly and components therefor, are described. In an example arrangement, the crankcase ventilation filter assembly is configured to be serviced from either the top or the bottom. A rotational indexing arrangement is to ensure appropriate orientation of an internally received filter cartridge, and other components of the arrangement are provided. Methods of assembly, servicing and use are described.
    Type: Grant
    Filed: June 12, 2008
    Date of Patent: March 26, 2013
    Assignee: Donaldson Company, Inc.
    Inventors: Thomas Lundgren, Daniel Adamek, Wade Mosset
  • Patent number: 8394166
    Abstract: 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.
    Type: Grant
    Filed: July 9, 2012
    Date of Patent: March 12, 2013
    Assignee: Donaldson Company, Inc.
    Inventors: James Scott, Steven Gieseke, Douglas Iddings
  • Patent number: 8394164
    Abstract: A serviceable gas/liquid separator is provided. The gas/liquid separator has a cross-section with one long axis and one short axis, with an aspect ratio of at least 1.3. A preferred cross-section, is an elliptical cross-section. Assemblies in which the separator unit can be used, are provided. In addition methods of use and construction are provided.
    Type: Grant
    Filed: April 20, 2012
    Date of Patent: March 12, 2013
    Assignee: Donaldson Company, Inc.
    Inventors: Michael James Casey, Brian Read
  • Patent number: 8394160
    Abstract: A filter device (10), especially an air filter for an internal combustion engine, includes a main filter element (22) arranged in a filter housing (12). The main filter element is flown through by a fluid to be filtered. The main filter element (22) is a multi-bellows filter having radially nested filter bellows (32, 34). Between the filter bellows (32, 34) a flow space (44) for the fluid is formed communicating with an end face of the main filter element (22), wherein each one of the filter bellows (32, 34) is embodied as a star-shaped filter with filter folds arranged in a star shape. On at least one end face of the main filter element (22) there is a seal (36) between one of the filter bellows (32, 34) and the filter housing (12).
    Type: Grant
    Filed: April 16, 2012
    Date of Patent: March 12, 2013
    Assignee: Mann+Hummel GmbH
    Inventor: Karlheinz Muenkel
  • Patent number: 8388746
    Abstract: A filtration system has a blowdown conduit and a filter unit. The blowdown conduit is adapted to be operably connected with a gas compressor station. The filter unit includes a filter housing, an inlet port, a pollution filter positioned within the filter housing to remove the pollutants from the vented gasses entering through the inlet port, and an exit port enabling the vented gasses to exit the filter housing once the pollutants have been removed by the pollution filter.
    Type: Grant
    Filed: February 24, 2011
    Date of Patent: March 5, 2013
    Assignee: Warr-2-Bros, LLC
    Inventor: Charles Warren
  • Patent number: 8366798
    Abstract: A filter is disclosed herein, the filter having: a plurality of sheets of filter media, each sheet of filter media having an inlet end and an outlet end, wherein each of the plurality of sheets of filter media has a first layer of filtration media thermoformed to have a plurality of channels, the first layer having an upper surface and a lower surface; a second layer of filtration media sonically welded to a portion of to the first layer of filtration media after the first layer is formed with the plurality of channels, wherein at least one edge of the first layer is not sonically welded to at least one edge of the second layer, and wherein the sheet of filtration media has a plurality of fluid channels each having an inlet opening at the at least one edge of the first layer and the second layer and a sealed end at another end of the sheet; wherein each of the plurality of sheets of filter media are secured together by a strip of adhesive located between each upper surface of each first layer facing the secon
    Type: Grant
    Filed: September 6, 2011
    Date of Patent: February 5, 2013
    Assignee: Fram Group IP LLC
    Inventors: Philip P. Treier, Christopher R. Reamsnyder, Michael S. Lynch
  • Publication number: 20130025246
    Abstract: A filter element having an end cap is provided with a seal that can better accommodate non-round holes. The seal may be a chevron type seal and/or other similar seal having a sealing flange for forming a radial seal. Methods of replacing a filter having an O-ring gasket to improve upon sealing are provided as well as filtration systems employing the filter element.
    Type: Application
    Filed: July 26, 2011
    Publication date: January 31, 2013
    Applicant: PERRY EQUIPMENT CORPORATION
    Inventors: David J. Burns, Daniel M. Cloud, Artimus Charles Jones, Tyler Glenn Boswell
  • Patent number: 8361183
    Abstract: An air filtration media pack is provided having a plurality of layers of single facer media. The layer of single facer media includes a fluted sheet, a facing sheet, and a plurality of flutes extending between the fluted sheet and the facing sheet and having a flute length extending from a first face of the filtration media pack to a second face of the filtration media pack. A first portion of the plurality of flutes are closed to unfiltered air flowing into the first portion of the plurality of flutes, and a second portion of the plurality of flutes are closed to unfiltered air from flowing out of the second portion of the plurality of flutes so that air passing into one of the first face and the second face of the media pack and out the other of the first face and the second face of the media pack passes through media to provide filtration of the air. The fluted sheet includes repeating internal peaks facing toward the facing sheet and repeating external peaks facing away from the facing sheet.
    Type: Grant
    Filed: May 18, 2011
    Date of Patent: January 29, 2013
    Assignee: Donaldson Company, Inc.
    Inventors: Gary J. Rocklitz, Robert M. Rogers, Ming Ouyang, Anitha M. Mathew
  • Patent number: 8361182
    Abstract: An air filter cartridge is provided including an air filter media construction having a first, outlet end, flow face and an opposite, second, inlet end, flow face. The filter media construction includes fluted media secured to a facing media sheet. The filter media is closed to flow of unfiltered air completely therethrough. A centerboard is provided. The centerboard has a media portion embedded within the media construction. The centerboard has first and second opposite sides. The media portion that is embedded within the media defines an aperture arrangement extending completely through the centerboard from the first side to the second side. An adhering sealant secures the centerboard to the media construction. At least some adhering sealant extends through the aperture arrangement.
    Type: Grant
    Filed: September 21, 2010
    Date of Patent: January 29, 2013
    Assignee: Donaldson Company, Inc.
    Inventors: Mark Belcher, Matthew A. Kalis
  • Patent number: 8361181
    Abstract: Air cleaner assemblies and serviceable filter cartridges therefor are described. Example filter cartridges described which include a first end cap with a air flow aperture therethrough, having an outer axial surface and axial seal ring thereon. Example arrangements are provided with air flow inlet tube section defining the aperture through the first end cap. Also, water seal arrangements, typically positioned radially inwardly from the air seal arrangement, are described.
    Type: Grant
    Filed: May 14, 2009
    Date of Patent: January 29, 2013
    Assignee: Donaldson Company, Inc.
    Inventors: Richard Osendorf, Dolan Bartels, Andrew Albitz, Bradley Keumpel
  • Publication number: 20130019576
    Abstract: A filter cartridge, a safety element and fluid cleaner assembly are described. The fluid cleaner assembly generally includes a housing having a cover and a primary fluid cleaner section. The filter cartridge generally comprises z-filter media, arranged in a straight through configuration. Preferred cartridges include a seal gasket positioned to extend continuously around at outer perimeter of the straight through flow construction. The fluid cleaner assembly can have a precleaner positioned therein. Preferred features are described. Methods of assembly and use are also provided.
    Type: Application
    Filed: January 23, 2012
    Publication date: January 24, 2013
    Applicant: Donaldson Company, Inc
    Inventors: William J. Krisko, Wayne R., W. Bishop, Steven S. Gieseke, Benny K. Nelson
  • Patent number: 8357219
    Abstract: 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.
    Type: Grant
    Filed: October 10, 2006
    Date of Patent: January 22, 2013
    Assignee: Donaldson Company, Inc.
    Inventors: Bruce Allen Boehrs, Paul Anthony Wendt
  • Patent number: 8357218
    Abstract: A filter element has a reinforcement band or ring along at least a portion of the perimeter thereof and performing a support function thereat preventing or minimizing damage upon attempted percussive cleaning of the filter element by service personnel striking the perimeter against an impact surface. Alternatively, a failure band or ring is provided along at least a portion of the perimeter and performs a designated failure function to a failure condition thereat upon attempted percussive cleaning, with the failure condition providing at least one of: a) an indication to service personnel that the filter element has been damaged and should not be re-installed; and b) a deformed condition preventing re-installation.
    Type: Grant
    Filed: August 10, 2012
    Date of Patent: January 22, 2013
    Assignee: Cummins Filtration IP Inc.
    Inventors: Scott P. Heckel, Roger L. Zoch, Kelly Ann Detra, Guillermo Alberto Smith, Matthew T. VandenBush, Pathikrit T. Banerjee, Caryn J. Kindkeppel
  • Patent number: 8349048
    Abstract: The invention relates to a filter arrangement comprising a plate-shaped filter holder (12) provided with at least one stem-type protruberance (13) having an opening (11) said filter holder (12) being used to receive a filter element (14) in a sealed manner for each protuberance on the raw gas side of the filter holder. In order to ensure that the filter is changed easily with sufficient filtering safety, each filter element (14) is provided with an adapter collar (15) comprising at least one limb (15B; 15D) parallel to the protruberances. Said limb can be placed, from the raw gas side, inside or over the protruberance. A sealing arrangement (16) provided comprises sealing elements (16A, 16B) which are parallel to both the plates and to the protruberances and are used for the at least partial join between the protruberance and the adapter collar.
    Type: Grant
    Filed: May 16, 2008
    Date of Patent: January 8, 2013
    Assignee: Volkmann GmbH
    Inventor: Thilo Volkmann
  • Publication number: 20120324850
    Abstract: In order to provide a seal function and a protection of the sealing surfaces for an air filter element (10) comprising a cylindrical tubular filter bellows (11) that is closed off at the end faces by a terminal disk (20, 20?), respectively, which each have at least one annular seal (22) or an annular seal section of a sealing member, the annular seal (22) is covered by a manually removable cover ring and/or a cover disk (30?).
    Type: Application
    Filed: July 27, 2007
    Publication date: December 27, 2012
    Applicant: MANN+HUMMEL GMBH
    Inventors: Klemens Dworatzek, Ralf Bauder
  • Patent number: 8337579
    Abstract: An air cleaner assembly includes an air box and an air filter. The air box includes a body and a lid. The body includes a lower rib member coupled with at least one of a wall and a floor. The lid is movable to a closed position and includes an upper rib member that includes shoulder and arm portions. The air filter element includes a first end and defines outer and first end surfaces. The shoulder and arm portions define respective shoulder and arm surfaces. When the lid is in the closed position, the first end is sandwiched between the upper and lower rib members, the outer surface contacts each of the rest and shoulder surfaces, the first end surface contacts the arm surface, and the air filter element is positioned between and spaced from each of the floor surface and the lid surface.
    Type: Grant
    Filed: November 9, 2010
    Date of Patent: December 25, 2012
    Assignee: Honda Motor Company, Ltd.
    Inventors: Matthew J. Alexander, Kelly Ann Longwell
  • Patent number: 8337582
    Abstract: A compressed air filter adapter for connecting a filter element (12) to a filter connection housing (13) includes a flow duct (21) enclosed by a wall (20) for compressed air, the flow duct (21) at a first end being delimited by a first opening (14), having an inner contour (142) defined by a first edge (141) and an outer contour (143), and at a second end by a second opening (15), having an inner contour (152) defined by a second edge (151) and an outer contour (153). The first opening (14) is provided for connection to a filter connection housing (13) and forms an opening cross-section (16), defined by the inner contour (142) of the first opening (14). The second opening (15) defines an opening on the filter side and forms a second opening cross-section (17), defined by the inner contour (152) of the second opening (15).
    Type: Grant
    Filed: February 29, 2008
    Date of Patent: December 25, 2012
    Assignee: Kaeser Kompressoren AG
    Inventors: Michael Feisthauer, Norbert Fischer, Gerhard Leidner, Norbert Bär
  • Patent number: 8333818
    Abstract: A compressed air filter and a filter element which is for separating foreign bodies from a compressed air stream and which has an element lower portion, an element upper portion which has a neck portion which forms a first flow channel and a collar portion which is constructed so as to extend at least partially around the neck portion and which is connected to the neck portion so as to form a second flow channel, and a filter medium which is sealingly connected to the element lower portion and the element upper portion in order to form a gas flow path between the first flow channel and the second flow channel through the filter medium, the collar portion having an abutment face, which is provided at least partially at the outer periphery and which tapers in the direction of the element lower portion, in order to receive an associated sealing ring in such a manner that a force which acts substantially axially on the sealing ring from the direction of the element lower portion brings about radial expansion of t
    Type: Grant
    Filed: June 8, 2011
    Date of Patent: December 18, 2012
    Assignee: Kaeser Kompressoren GmbH
    Inventors: Andreas Foerster, Norbert Fischer, Michael Feisthauer
  • Patent number: RE44424
    Abstract: A filter assembly comprising a filter head having inlet and outlet ports; a filter bowl attached to the filter head, wherein the filter bowl has a drain hole located at the bottom of the filter bowl for draining fluids; a filter element housed within the filter bowl, the filter element including a barrier of filtration media, a drain layer and at least one support tube; wherein a pressure differential exists across the filter element; a bottom cap that seals fluid within the filter element; a top cap having a non-planar flange portion, wherein the flange portion has a substantially curving, generally s-shaped cross-sectional profile, the non-planar flange sealingly received within the filter head such that the filter head is divided into inlet and outlet partitions; wherein the top cap directs fluid from the inlet port into the filter element, where the fluid flows through the barrier of filtration media and then out of the assembly through the outlet port; and, a float drain component attached to the base of
    Type: Grant
    Filed: April 18, 2011
    Date of Patent: August 13, 2013
    Assignee: SPX Flow Technology USA, Inc.
    Inventor: James W. Barnwell