Spiral Or Cylindrical Patents (Class 55/498)
  • Patent number: 11471805
    Abstract: An external brace for a filter element is described. The brace is configured to wrap around an exterior of a filter element having a filter media pack. The brace helps to support the filter media pack during filtering operations by preventing outward flexing of the filter media pack caused by fluid flowing through the filter media. In some arrangements, the brace interfaces with a filtration system housing to provide additional support to the filter element.
    Type: Grant
    Filed: March 14, 2018
    Date of Patent: October 18, 2022
    Assignee: CUMMINS FILTRATION IP, INC.
    Inventors: Aditya S. Murthy, Peter K. Herman, Scott W. Schwartz, Robert A. Bannister, Jason A. Scherck, Yashpal Subedi
  • Patent number: 11446585
    Abstract: A gas trap assembly including a base connector housing including an inflow port and an outflow port, a reservoir fluidly connecting the inflow port to the outflow port, and a grooved porous media located within the reservoir. The grooved porous media including a plurality of grooves and composed of a material having a plurality of pores of a selected size. The grooved porous media fluidly divides the reservoir into two portions in such a way that a working fluid flowing from the inflow port to the outflow port must flow through the plurality of grooves and the plurality of pores of the grooved porous media. The plurality of grooves and the plurality of pores are configured to prevent gas from passing through the grooved porous media.
    Type: Grant
    Filed: June 8, 2020
    Date of Patent: September 20, 2022
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventor: Wei-Lin Cho
  • Patent number: 11426692
    Abstract: Various example embodiments relate to a filtration system. The filtration system comprises a housing having a first housing end and a second housing end. The housing defines a central compartment therein. The housing comprises a first alignment portion disposed on the first housing end. The filtration system further comprises a filter element positioned within the central compartment of the housing. The filter element has a first filter end and a second filter end. The filter element comprises filter media and a second alignment portion disposed on the first filter end. The second alignment portion is complementary to the first alignment portion. The installation of the filter element within the housing causes the first alignment surface and the second alignment surface to align to provide for engagement of a radial seal between the filter element and the housing.
    Type: Grant
    Filed: July 18, 2018
    Date of Patent: August 30, 2022
    Assignee: Cummins Filtration IP, Inc.
    Inventors: Matthew Louison, Scott W. Schwartz, Mark V. Holzmann, Jessie A. Knight
  • Patent number: 11383194
    Abstract: A reusable air filter and methods are provided for filtering air being conducted to an air intake of an internal combustion engine. The reusable air filter comprises a filter medium configured to pass an airstream and entrap particulates flowing within the airstream. The filter medium is comprised of cotton gauze disposed in a sinusoidal arrangement that provides a filtration surface area that is larger than a perimeter area of the filter medium. An end cap and base may be configured to retain the filter medium therebetween. The base provides an interface between the air filter and an air inlet of the engine. The filter medium may be disposed in a flat, panel shape that is bordered by a supportive tray. Support rods may be embedded within the tray to prevent bowing of the tray due to air pressure when coupled with an air box of the engine.
    Type: Grant
    Filed: September 25, 2019
    Date of Patent: July 12, 2022
    Assignee: K&N Engineering, Inc.
    Inventors: Jere James Wall, Steve Williams
  • Patent number: 11376541
    Abstract: Filter media having generally tetrahedral shaped flow channels is described. The filter media is generally formed by a flat filter sheet and a formed sheet. The formed sheet may be formed by a curves and/or pleats in the sheet. The curves and/or pleats form the tetrahedron channels. Embossments, such as dimples, are provided on the crests formed by the curves and/or pleats. The embossments help to maintain spacing between adjacent layers of the filter media, thereby increasing dust holding capacity and decreasing pressure drop over similarly configured filter media not having the embossments.
    Type: Grant
    Filed: December 12, 2017
    Date of Patent: July 5, 2022
    Assignee: CUMMINS FILTRATION IP, INC.
    Inventors: Ming Ouyang, Miao Li
  • Patent number: 11376526
    Abstract: A filter element has an upstream and downstream side. A filter media assembly of the filter element has an upstream side and a downstream side and has a first filter media layer and a second filter media layer that is adjacent to the first media layer. A substantial portion of the first layer and second layer are uncoupled, and at least one of the first media layer and second media layer comprises binder fiber. The second media layer has a mean flow pore size equal to or smaller than the first media layer. A support layer system is adjacent to the downstream side of the filter media assembly, and a first wire mesh layer is adjacent to the support layer system. At least the first media layer, second media layer, support layer system, and first wire mesh cooperatively define pleats at a pleat packing density of greater than 125%.
    Type: Grant
    Filed: May 15, 2020
    Date of Patent: July 5, 2022
    Assignee: Donaldson Company, Inc.
    Inventors: James P. Barsness, Derek O. Jones
  • Patent number: 11298644
    Abstract: A coalescence filter including an inlet for supplying the gas to a filter element present in the coalescing filter, which filter element includes a coalescence medium for coalescing at least one disperse liquid phase during a displacement of a gas through the coalescence medium in a flow direction. The filter element downstream of the coalescence medium includes a drainage medium for draining the at least one coalesced disperse phase leaving the coalescence medium. The filter element contains a barrier layer positioned downstream of the coalescence medium, where the coalescence medium and the barrier layer are held at a distance from each other by one or more spacers to provide a drainage zone in the drainage layer of a drainage medium between a surface of the coalescence medium facing the barrier layer and the barrier layer for draining the coalesced disperse phase in a drainage direction.
    Type: Grant
    Filed: June 12, 2018
    Date of Patent: April 12, 2022
    Assignee: ATLAS COPCO AIRPOWER, NAAMLOZE VENNOOTSCHAP
    Inventors: Ken Goris, Jo Wouters, Evi Marcel J. Bultinck, Isabelle Denise M. De Wolf
  • Patent number: 11260328
    Abstract: An internal combustion engine includes an engine block including a cylinder, a horizontally oriented crankshaft, an air-fuel mixing device configured to provide an air-fuel mixture to the cylinder, and an air filter assembly configured to provide filtered air to the air-fuel mixing device. The air filter assembly includes a housing comprising a first housing end portion and a second housing end portion and defining an interior volume, a filter element positioned within the interior volume dividing the interior volume into a filtered volume and an unfiltered volume, a gap between the filter element and the housing configured to allow air to flow between the filter element and the housing, an air intake, and a filtered air outlet.
    Type: Grant
    Filed: November 10, 2017
    Date of Patent: March 1, 2022
    Assignee: Briggs & Stratton, LLC
    Inventors: Steven G. Gleixner, Robert Johnson
  • Patent number: 11224833
    Abstract: A two-stage separator system having a housing extending between a first end and a second end. The housing defines a housing inlet, a separator outlet towards the second end, and a filtration outlet on the first end. A filter assembly has a first sheet of filter media coupled to a second sheet of filter media mutually defining a plurality of flutes extending in an axial direction. The filter assembly defines an inlet flow face and an outlet flow face. The filter assembly is disposed in the housing and coupled to the housing about the filtration outlet such that the outlet flow face is in fluid communication with the filtration outlet. The inlet flow face of the filter assembly has an axial flow face length.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: January 18, 2022
    Assignee: Donaldson Company, Inc.
    Inventors: Steven K. Campbell, Mark A. Sala
  • Patent number: 11136947
    Abstract: A filter cartridge and filter assembly using the filter cartridge is provided. The filter cartridge having a contoured end member to angularly orient and/or axially orient the filter cartridge, and particularly a seal thereof, relative to a filter housing. The filter housing is reconfigurable to allow it to be used in different locations having different spatial configurations.
    Type: Grant
    Filed: June 21, 2018
    Date of Patent: October 5, 2021
    Assignee: Parker-Hannifin Corporation
    Inventors: Michael J. Von Seggern, Trenton Yendra, Daniel Copley, John Nichols, Jason LaMarr Tate, Brian T. Ehrenberg
  • Patent number: 11117084
    Abstract: A filter element has a filter medium body and sealing material strips extending at least partially circumferentially in a circumferential direction of the filter medium body at an inflow side of the filter medium body and at least at one additional side of the filter medium body. A first one of the sealing material strips carries at least one holding tab. The at least one holding tab projects past the first sealing material strip. The at least one holding tab is embodied at least partially of a material of the first sealing material strip. A filter device with such a filter element arranged in a filter housing is provided.
    Type: Grant
    Filed: April 4, 2019
    Date of Patent: September 14, 2021
    Assignee: MANN+HUMMEL GmbH
    Inventors: Pascal Neef, Nadine Donauer
  • Patent number: 11097215
    Abstract: An air cleaner assembly is disclosed, along with related methods. In one aspect, the air cleaner assembly has a housing including a housing body and a removable cover that together define an interior volume for holding a filter cartridge. The housing body can include a first plurality of lugs, wherein each of the first plurality of lugs has a first engagement surface disposed at a first angle that is oblique to a rotational plane of the cover. A second plurality of lugs can be provided on the cover, wherein each of the second plurality of lugs has a second engagement surface disposed at the first angle. A lock mechanism can also be provided that is disposed on the cover, wherein the lock mechanism includes a lock member axially movable between a locked position and an unlocked position to selectively secure the cover to the housing body.
    Type: Grant
    Filed: December 13, 2019
    Date of Patent: August 24, 2021
    Assignee: Donaldson Company, Inc.
    Inventors: Daniel E. Adamek, Richard J. Osendorf, Benny K. Nelson, Joseph A. Einberger
  • Patent number: 11092367
    Abstract: An inlet debris filter disposed within a manifold assembly and operable to filter refrigerant that flows through the manifold assembly. In some embodiments, the manifold assembly may be disposed within an air conditioning servicing system. In some embodiments, the inlet debris filter may be removable and serviceable.
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: August 17, 2021
    Assignees: Bosch Automotive Service Solutions Inc., Robert Bosch GmbH
    Inventor: Mark McMasters
  • Patent number: 11022019
    Abstract: A component of an exhaust system, in particular of an exhaust system of an internal combustion engine, has a double-walled pipe which encloses at least one air gap. The double-walled pipe includes at least two layers positioned radially over each other and attached to each other at a plurality of fixing points distributed over a periphery. At least one of the layers is a structured layer and has a wave structure with a plurality of wave crests and wave troughs distributed along the periphery. For manufacturing the component, at least one sheet metal strip is provided, which is structured in sections to give it a wave form. A brazing material is applied at the intended fixing points. The sheet metal strip is then wound up to form the double-walled pipe. The latter is calibrated, and the layers are connected at the fixing points by induction brazing.
    Type: Grant
    Filed: April 27, 2018
    Date of Patent: June 1, 2021
    Inventor: Alfred Blueml
  • Patent number: 10994091
    Abstract: A cartridge comprising layers of adsorbent sheet is described. The cartridge includes an indicator that characterizes the consumption state of the adsorbent within the cartridge. The indicator is applied in a way such that discrete areas of indicator are visible. These discontinuous areas of indicator may be applied to the outside surface of the cartridge. Alternatively, the discontinuous areas may be formed by cutting windows in the outermost layer of the cartridge and either coating indicator on the layer beneath the window, placing an indicator layer between the window and the layer beneath it or filling the window with an indicating plug of material so that the indicator is visible from the outside of the cartridge. The indicator layer and indicator plug embodiments allow the use of any indicator with any adsorbent.
    Type: Grant
    Filed: October 20, 2017
    Date of Patent: May 4, 2021
    Assignee: Micropore, Inc.
    Inventors: Douglas B. McKenna, Vince Suddard, Glenn Shealy
  • Patent number: 10967310
    Abstract: Liquid filter assemblies, features, components and methods are described. In general, a liquid filter cartridge is provided which includes features that help ensure that when the assembly is serviced, the cartridge positioned within the assembly is a proper one, in proper sealing orientation, for appropriate use. Features that can be used to provide for this include: a seal on the filter cartridge that defines a seal pattern non-orthogonal to a plane perpendicular to a central axis of the filter cartridge; and, a member of a projection/receiver arrangement on the filter cartridge which is orientated to engage a portion of a liquid filter assembly, for example a liquid flow collar, to allow sealing when the cartridge is a properly positioned cartridge and a properly configured cartridge. Assembly features are described. Also, a flexible radial projection arrangement providing snap-fit interaction between a cartridge and housing is provided. Methods of assembly and use as described.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: April 6, 2021
    Assignee: Donaldson Company, Inc.
    Inventors: Luca Piva, Fabrizio Buratto, Jason P. Johnson, Kurt Bryan Joscher, Daniel Robert Frembgen, Claudio Formica, Francesco Marangoni
  • Patent number: 10773196
    Abstract: A gluing method of a filter cartridge includes: preparing a filter core and a filter frame; disposing them in a lower mold with the filter frame under the filter core; filling glue on top of the lower mold, extending the glue to a gluing segment of the filter frame and an outer surface of the filter core; pressing down an upper mold toward the lower mold to cut the glue into an inner glue segment and an outer glue segment. The inner glue segment is pressed in between the filter frame and the filter core, coated around the gluing segment to increase adhering area. Pressure from the upper mold enhances the adhering effect. The cutting removes surplus glue and the glue is formed into a desired shape, thus the method is quick, accurate and consistent.
    Type: Grant
    Filed: March 27, 2018
    Date of Patent: September 15, 2020
    Assignee: PRO-PURE INC.
    Inventors: Hsiang-Chi Lin, Zhen-Kun Zhan
  • Patent number: 10744440
    Abstract: An apparatus and method are provided for a flangeless air filter configured to be mounted onto a flat surface within an air intake system of an internal combustion engine. The flangeless air filter is comprised of a cone-shaped filter medium, retained between a base and a cap, that is fabricated to remove contaminants and particulate matter from an intake airstream. The base includes a pliable seal that forms an airtight connection between the flangeless air filter and the flat surface of the air intake system. A mounting bracket and fasteners may be used to attach the base to the flat surface, compressing the seal there between. In some embodiments, the mounting bracket may be incorporated into, and made a part of the base. A cap is disposed on a top of the flangeless air filter and configured to direct the intake airstream around the cap and toward the filter medium.
    Type: Grant
    Filed: September 26, 2016
    Date of Patent: August 18, 2020
    Assignee: K&N Engineering, Inc.
    Inventors: Jere James Wall, Steve Williams
  • Patent number: 10717034
    Abstract: The disclosure concerns 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 23, 2018
    Date of Patent: July 21, 2020
    Assignee: Donaldson Company, Inc.
    Inventors: James R. Scott, Carolyn Finnerty, Steven Gieseke, Douglas Iddings, William Juliar, Gregory LaVallee
  • Patent number: 10661213
    Abstract: An industrial air filtration system and associated filter element are provided. The system includes a filter cage which supports its associated filter element or elements. The filter element or elements seal directly against upper and lower plates of the filter cage. Further, the system includes a liquid collection region and a sump region in fluid communication with the liquid collection region. The aforementioned regions are arranged to drain away liquid which coalesces within the system during operation.
    Type: Grant
    Filed: May 24, 2017
    Date of Patent: May 26, 2020
    Assignee: United Air Specialists, Inc.
    Inventors: Greg M. Gottlieb, Jeff Allen Canfield
  • Patent number: 10539101
    Abstract: The present invention belongs to the technical sector of fluid filtration systems which can be used for air filtration in an internal combustion engine. The invention refers to a filtering device (1) including a filtering element (24) which presents an open axial end (26) and an axial end (27) closed by a cover (28); and an intake cover (7). The said cover (28) includes at least a first tubular boss (55) projecting towards the intake cover (7); and the intake cover (7) includes at least a second tubular boss (57) complementary to the first tubular boss (55) and projecting towards the cover (28); the first tubular boss (55) is slotted in the second tubular boss (57). The invention also refers to a tubular filtering element (24) and to a maintenance process of a filtering device.
    Type: Grant
    Filed: May 22, 2017
    Date of Patent: January 21, 2020
    Assignee: MANN+HUMMEL GmbH
    Inventors: Marcos Marcondes, Bruna de Carvalho Vessio, Celio Santos Pereira, Gilberto Albertini
  • Patent number: 10518204
    Abstract: An air cleaner assembly is disclosed, along with related methods. In one aspect, the air cleaner assembly has a housing including a housing body and a removable cover that together define an interior volume for holding a filter cartridge. The housing body can include a first plurality of lugs, wherein each of the first plurality of lugs has a first engagement surface disposed at a first angle that is oblique to a rotational plane of the cover. A second plurality of lugs can be provided on the cover, wherein each of the second plurality of lugs has a second engagement surface disposed at the first angle. A lock mechanism can also be provided that is disposed on the cover, wherein the lock mechanism includes a lock member axially movable between a locked position and an unlocked position to selectively secure the cover to the housing body.
    Type: Grant
    Filed: July 23, 2018
    Date of Patent: December 31, 2019
    Assignee: Donaldson Company, Inc.
    Inventors: Daniel E. Adamek, Richard J. Osendorf, Benny K. Nelson, Joseph A. Einberger
  • Patent number: 10436155
    Abstract: An air filter, including: an openable filter housing having an inlet for air to be cleaned, an outlet for cleaned air, a filter element exchangeably arranged with the filter housing. The filter element includes a filter medium radially surrounding and defining an interior space within the filter element and a support element secured to the filter element. The support element faces away from the filter medium and has a lateral support surface having a cylindrical section and/or a section with a cross section that changes in the direction of the element axis, whose main axis runs axially or parallel to the element axis and with which the support element is supported at least transversely to the element axis against a corresponding support section arranged on a side of the filter housing.
    Type: Grant
    Filed: December 20, 2015
    Date of Patent: October 8, 2019
    Assignee: MANN+HUMMEL GmbH
    Inventors: Pedro Miguel Pereira Madeira, Pascal Neef, Nadine Sorger, Irmgard Thalmann
  • Patent number: 10413849
    Abstract: A filter element comprises a hollow cylindrical filter medium body, on the inside of which there is arranged a support frame that is a carrier of at least one installation rib protruding radially inward with respect to the support frame.
    Type: Grant
    Filed: August 4, 2015
    Date of Patent: September 17, 2019
    Assignee: MANN+HUMMEL GmbH
    Inventors: Andreas Wildermuth, Guenter Jokschas, Oliver Glueck, Marco Faisst
  • Patent number: 10376822
    Abstract: A filter element is provided according to the present invention. The filter element includes: (a) a media pack arrangement having first and second opposite ends, said media pack arrangement comprising: (i) an inner liner defining a safety central open volume; (ii) a multilayer laminate media construction circumscribing the inner liner and having a first end and a second end, wherein the multilayer laminate media construction comprises: (A) a filtration media layer arranged in a waved configuration, wherein the filtration media layer has a first side and a second side; (B) a first fibrous support layer adjacent the first side of the filtration media layer arranged in the waved configuration; (b) a first end cap at the first end of the media pack arrangement; said first end cap having a central aperture in flow communication with said safety central open volume; and (c) a second end cap at the second end of the media pack arrangement; said second end cap being a closed end cap.
    Type: Grant
    Filed: July 18, 2014
    Date of Patent: August 13, 2019
    Assignee: Donaldson Company, Inc.
    Inventors: Rakesh Yadav, Suresh Bommineni, Benny K. Nelson, Daniel E. Adamek
  • Patent number: 10376819
    Abstract: A filter core and manufacturing method thereof, the manufacturing method has the following steps: adhering a wavy filtering sheet and a flat filtering sheet, pressing the filtering sheets, and rolling the filtering sheets. A part of peaks of the wavy filtering sheet are pressed to lean toward a same side. In particular, two sides of a first end sealing adhesive layer are pressed. Thus, the first end sealing adhesive layer is concentrated, such that the glue is uniformly spread to the two sides. Besides, the pressing on the two sides makes the two sides of the first end sealing adhesive layer adhered securely, thereby preventing the wavy filtering sheet from rebounding upward and forming bubbles. Thus, the first end sealing adhesive layer can be formed with less quantity of glue, which accelerating the cooling and raises manufacture efficiency.
    Type: Grant
    Filed: August 24, 2016
    Date of Patent: August 13, 2019
    Assignee: PRO-PURE INC.
    Inventor: Hsiang-Chi Lin
  • Patent number: 10315141
    Abstract: A filter formed essentially from a staple fiber is provided. A nonwoven staple fiber is compressed in to a mat or sheet of selected porosity. The mat or sheet does not include a binder or bicomponent fibers. The staple fibers may be heat treated. The sheet is formed into a selected geometric shape and the staple fibers are thermally fused to bind the staple fibers into a porous filter element. The preferred shape is a helically wound tube or plural sheets, each sheet being self-overlapped and compressed to overlap another sheet. Each sheet is preferably heated and compressed individually and the sheets may be selected to have different porosities and densities.
    Type: Grant
    Filed: October 27, 2016
    Date of Patent: June 11, 2019
    Assignee: Parker Hannifin Filtration (US), Inc.
    Inventors: Andrew Ray Dye, Jack David Burns, Johnny Glen Keeton
  • Patent number: 10315147
    Abstract: According to the present disclosure, features, components and techniques useable for providing air cleaner arrangements are provided. Many of the features relate to an axial seal arrangement provided on a filter cartridge. A typical filter cartridge, for use with these features, is a filter cartridge having opposite flow ends. Example media arrangements that fit this characterization are described. Seal arrangements provided with an axial housing sealing engagement surface are shown. A seal arrangement is provided. Also, air cleaner assemblies having advantageous features therein are provided. Further, air cleaner housings are described, with selected, preferred features for engagement with filter cartridges.
    Type: Grant
    Filed: September 15, 2015
    Date of Patent: June 11, 2019
    Assignee: Donaldson Company, Inc.
    Inventors: Steven A. Carter, Stephen M. Martin, Gert Proost
  • Patent number: 10300417
    Abstract: A filter element (3), in particular an air filter element, for a filter arrangement (1), having a frame (6) that has at least one contact surface (11) for contacting a clamping surface (30) of at least one clamping element (27, 28) of the filter arrangement (1), wherein the at least one contact surface (11) includes straight segments (12, 13, 14) and oblique segments (15, 16) arranged between the straight segments (12, 13, 14), and wherein the straight segments (12, 13, 14) are arranged such that the clamping surface (30) when the latter is displaced relative to the at least on contact surface (11) essentially exclusively contacts the oblique segments (15, 16).
    Type: Grant
    Filed: March 2, 2017
    Date of Patent: May 28, 2019
    Assignee: MANN+HUMMEL GmbH
    Inventor: Martin Wuebbeling
  • Patent number: 10252206
    Abstract: Air cleaner and preferred components for an air cleaner are provided. In certain arrangements, a band is mounted to the media pack, surrounding the media. Also, the cartridge is non-circular and includes a seal thereon.
    Type: Grant
    Filed: September 26, 2016
    Date of Patent: April 9, 2019
    Assignee: Donaldson Company, Inc.
    Inventors: Paul Coulonvaux, Johan DeWit, Cary Donald Olson, Thomas Miller, Marty Barris, Wayne Bishop, Donald Engel, Steven Campbell, Johan Fobe
  • Patent number: 10105629
    Abstract: A filter (10) for filtering fluid, in particular air, water, fuel, oil, or urea-water solution, in particular of an internal combustion engine, in particular of a motor vehicle, a multiple-bellows hollow filter element (44), a filter housing (30) of a filter (10), and a seal (90) of a hollow filter element (44) are described. The filter (10) comprises at least one filter housing (30), which comprises at least one inlet (28) for fluid to be filtered and at least one outlet (36) for filtered fluid. At least one hollow filter element, in particular a multiple-bellows hollow filter element (44) can be arranged in the at least one filter housing (30) such that it separates the at least one inlet (28) from the at least one outlet (36). The at least one filter housing (30) comprises at least one first housing part (42) having at least one installation opening (40) for the at least one hollow filter element (44), which can be closed using at least one second housing part (38).
    Type: Grant
    Filed: November 6, 2015
    Date of Patent: October 23, 2018
    Assignee: MANN+HUMMEL GmbH
    Inventor: Franziska Schulz
  • Patent number: 10080988
    Abstract: An air filter assembly having a primary filter element, a secondary filter element, and a housing with an outlet tube is disclosed. The primary filter element is operably installed within the housing and has an interior volume. The secondary filter element is operably installed within the primary filter element interior volume and has an interior volume defined by a first wall extending between a closed end cap and an opposite open end cap. The open end cap of the secondary filter element defines a sealing structure having a first portion extending into the secondary filter interior volume. The outlet tube is operably connected to the housing air outlet opening and includes an inset collar being at least partially disposed within the secondary filter interior volume and extending over at least a part of the sealing structure first portion.
    Type: Grant
    Filed: October 22, 2012
    Date of Patent: September 25, 2018
    Assignee: Donaldson Company, Inc.
    Inventors: Yota Kawabe, Kenji Ito, William Vanaudenhove
  • Patent number: 10029198
    Abstract: An air cleaner assembly is disclosed, along with related methods. In one aspect, the air cleaner assembly has a housing including a housing body and a removable cover that together define an interior volume for holding a filter cartridge. The housing body can include a first plurality of lugs, wherein each of the first plurality of lugs has a first engagement surface disposed at a first angle that is oblique to a rotational plane of the cover. A second plurality of lugs can be provided on the cover, wherein each of the second plurality of lugs has a second engagement surface disposed at the first angle. A lock mechanism can also be provided that is disposed on the cover, wherein the lock mechanism includes a lock member axially movable between a locked position and an unlocked position to selectively secure the cover to the housing body.
    Type: Grant
    Filed: June 24, 2016
    Date of Patent: July 24, 2018
    Assignee: Donaldson Company, Inc.
    Inventors: Daniel Eric Adamek, Richard J. Osendorf, Benny K. Nelson, Joseph A. Einberger
  • Patent number: 10010823
    Abstract: An air filter including two opposing open ends, and a filter area circumferentially enclosing a cavity in between. The first open end frictionally and sealingly engages the filter housing including an air port, while the second end engages the housing to close the second end from passage of air. The filter area may be reinforced to provide a durable, reusable filter. The filter material may be selected to provide depth loading and increase the particulate capacity of the filter.
    Type: Grant
    Filed: February 25, 2016
    Date of Patent: July 3, 2018
    Assignee: K&N Engineering, Inc.
    Inventors: Steve Williams, Jere James Wall
  • Patent number: 9962641
    Abstract: A yoke arrangement is provided including three leg assemblies connected together to releasably mount a filter assembly to a tube sheet. The filter assembly can include a filter element having a first end cap that acts as a spring. The filter assembly can have filter elements with end caps having built in end stops to prevent over-compression.
    Type: Grant
    Filed: April 2, 2015
    Date of Patent: May 8, 2018
    Assignee: Donaldson Company, Inc.
    Inventors: Thomas Van Den Bossche, Erwin Jean Marie Verbelen
  • Patent number: 9914085
    Abstract: The invention relates to a filter element (10), comprising a filter body (12) having a longitudinal axis (L) arranged between a clean side (50) and a crude side (52) of the filter element, as well as comprising at least one first end disk (16) arranged on an end face (15) of the filter body (12). The end disk (16) has a sealing arrangement (22) for forming a seal between the clean side (50) and the crude side (52). In addition, the sealing arrangement (22) has a sealing region (23) that forms a radial seal and a separate holding region (20) arranged concentrically with the sealing region (23) and acts as a radial floating bearing. The invention also relates to a filter system (100) for replaceable installation of such a filter element (10).
    Type: Grant
    Filed: August 31, 2015
    Date of Patent: March 13, 2018
    Assignee: MANN+HUMMEL GmbH
    Inventors: Robert Hasenfratz, Fabian Wagner, André Roesgen, Christian Thalmann, Frank Pflueger, Vit Wognar, Leos Burda, Michal Tuma
  • Patent number: 9861924
    Abstract: The invention relates to a filter element (10) that includes a filter body (12) that has a longitudinal axis (L) and that is arranged between a clean side (50) and a raw side (52) of the filter element, and at least a first end disk (16) arranged on an end face (15) of the filter body (12). The end disk (16) has a sealing arrangement (22) for sealing between the clean side (50) and the raw side (52). The sealing arrangement (22) furthermore has a radially sealing sealing area (23) and a separate retaining area (20) that acts as a movable bearing. The invention further relates to a filter system (100) for exchangably installing such a filter element (10).
    Type: Grant
    Filed: August 31, 2015
    Date of Patent: January 9, 2018
    Assignee: MANN+HUMMEL GmbH
    Inventors: André Roesgen, Robert Hasenfratz, Fabian Wagner, Christian Thalmann, Frank Pflueger, Leos Burda, Michal Tuma, Vit Wognar
  • Patent number: 9782708
    Abstract: A filtration sealing system is provided for sealing a filter element in a housing at a mating interface therebetween. The sealing system includes a keyed interface. A replacement filter element is provided for such filtration sealing system, with the replacement filter element including a keyed interface.
    Type: Grant
    Filed: August 12, 2016
    Date of Patent: October 10, 2017
    Assignee: Cummins Filtration IP, Inc.
    Inventors: Caryn J. Kindkeppel, Brian W. Schwandt, Thomas J. Braun, Christopher E. Holm, Pathikrit T. Banerjee, Buwa A. Baldeh
  • Patent number: 9732711
    Abstract: A filter device is provided with a filter housing and a housing cover closing off the filter housing. A filter element is disposed in the filter housing. The filter element has a clamping element that is resting with a clamping force on a first housing part that is provided on the filter housing or on the housing cover. The filter element further has a lever element that, in the mounted state of the filter element in the filter housing, is resting on a second housing part that is provided on the filter housing or on the housing cover and force-loads the clamping element against the first housing part. The clamping element and the lever element form a single part and are preferably provided on an end disk of the filter element.
    Type: Grant
    Filed: February 20, 2015
    Date of Patent: August 15, 2017
    Assignee: MANN+HUMMEL GMBH
    Inventors: Klaus Waltenberg, Bernd Joos
  • Patent number: 9724635
    Abstract: 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.
    Type: Grant
    Filed: March 13, 2014
    Date of Patent: August 8, 2017
    Assignee: Bladwin Filters, Inc.
    Inventors: Steven J. Merritt, Michael Von Seggern
  • Patent number: 9718019
    Abstract: Air cleaner assemblies are described and shown. A serviceable filter cartridge is positioned within a housing. A unique axial projection arrangement is positioned on the cartridge, and it can be used as part of a projection/receiver arrangement.
    Type: Grant
    Filed: August 25, 2014
    Date of Patent: August 1, 2017
    Assignee: Donaldson Company, Inc.
    Inventors: Michel Baseotto, Roberto Merckx, Paul Coulonvaux, Julien Dils
  • Patent number: 9694319
    Abstract: The invention relates to a gas purifier that removes moisture and oxygen from inert gases and reducing gases, for example, at sub-atmospheric pressures. The purifier can remove part per million levels of moisture in a gas stream to less than 100 parts per trillion by volume, and has a low pressure drop and a sharp breakthrough curve.
    Type: Grant
    Filed: February 8, 2013
    Date of Patent: July 4, 2017
    Assignee: Entegris, Inc.
    Inventors: Abneesh Srivastava, Thomas Richard Gaffney, Joshua T. Cook, Peter K. Shogren, Daimhin Paul Murphy, Stenio da Costa Pereira
  • Patent number: 9689334
    Abstract: An air intake system includes a pre-cleaner having a plurality of tubes configured to receive a flow of air, to filter particulate material from the flow of air, and to provide the flow of air to an engine of an off-road vehicle. The system also includes a controller configured to receive a first signal indicative of an air intake flow rate of the engine, to determine a target number of open tubes for the pre-cleaner based at least in part on the air intake flow rate and a desired air flow rate for each tube of the plurality of tubes, and to output a second signal to a component of the air intake system indicative of instructions to enable the flow of air to the target number of open tubes and to block the flow of air to the remainder of tubes of the plurality of tubes.
    Type: Grant
    Filed: November 14, 2014
    Date of Patent: June 27, 2017
    Assignee: CNH Industrial America LLC
    Inventors: Mark Douglas Klassen, Lorenzo Anthony Gomez
  • Patent number: 9657695
    Abstract: The invention relates to a filter element (10), comprising a filter body (12) in concentric form having a longitudinal axis (L), a first end disk (16) situated on one end face (15), and a second end disk (18) situated on the opposite end face (17), and a support tube (14) situated concentrically around the longitudinal axis (L) between the first and the second end disks (16, 18). At least one of the end disks (18) has a centering element (22) that is situated around the longitudinal axis (L), as a result of which the filter element (10) can be radially centered during installation in the housing (108). A support structure (20) is provided on the at least one end disk (18) which is concentric with respect the centering element (22) and is provided for at least axially supporting the filter element (10) in the housing (108). The invention further relates to a filter system (100) for exchangeably installing such a filter element (10).
    Type: Grant
    Filed: February 11, 2014
    Date of Patent: May 23, 2017
    Assignee: MANN+HUMMEL GMBH
    Inventors: Michael Kaufmann, Klaus-Dieter Ruhland
  • Patent number: 9602689
    Abstract: A paper receiving device includes a paper receiving member that receives a paper sheet; a first detector that detects whether or not a size of the paper sheet received by the paper receiving member is greater than a first size; a second detector that detects whether or not the size of the paper sheet received by the paper receiving member is smaller than a second size that is smaller than the first size; and an open-state detector that detects that the paper receiving device is opened when the first detector detects that the size of the paper sheet is greater than the first size and the second detector detects that the size of the paper sheet is smaller than the second size.
    Type: Grant
    Filed: July 21, 2015
    Date of Patent: March 21, 2017
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Jingu Lee, Geemyug Hyun, Seungkeun Lim, Junki Lee
  • Patent number: 9517428
    Abstract: Various embodiments of the present disclosure provide a filter for a portable industrial air filtration device. The filter generally includes a body and a limit switch actuator attached to the body. The body includes filter media and a rigidized material. The filter media is attached to the rigidized material, and the body has opposing upper and lower edges. The limit switch actuator includes a head and an actuator connected to and extending from the head. The limit switch actuator is attached to the body such the actuator extends below the lower edge of the body and is configured to actuate a limit switch actuator of an air filtration device when the filter is installed in the air filtration device.
    Type: Grant
    Filed: September 12, 2014
    Date of Patent: December 13, 2016
    Assignee: Illinois Tool Works Inc.
    Inventors: Ryan L. Francis, Stephen Patrick Moore
  • Patent number: 9486729
    Abstract: An air filter element (10) with a cylindrical central pipe (11) is provided wherein at one end of the central tube (11) a device (18) for transmission of torque from a tool to the air filter element (10) is provided and at the other end of the central tube (11) a fastening device (14) for detachably mounting the filter element (10) within a cylindrical support body (21) by means of an insertion/rotation movement is provided.
    Type: Grant
    Filed: September 29, 2014
    Date of Patent: November 8, 2016
    Assignee: MANN+HUMMEL GMBH
    Inventors: Michael Kaufmann, Klaus-Dieter Ruhland
  • Patent number: 9403113
    Abstract: An air filter assembly having a primary filter element, a secondary filter element, and a housing with an outlet tube is disclosed. The primary filter element is operably installed within the housing and has an interior volume. The secondary filter element is operably installed within the primary filter element interior volume and has an interior volume defined by a first wall extending between a closed end cap and an opposite open end cap. The open end cap of the secondary filter element defines a sealing structure having a first portion extending into the secondary filter interior volume. The outlet tube is operably connected to the housing air outlet opening and includes an inset collar being at least partially disposed within the secondary filter interior volume and extending over at least a part of the sealing structure first portion.
    Type: Grant
    Filed: April 30, 2014
    Date of Patent: August 2, 2016
    Assignee: Donaldson Company, Inc.
    Inventors: Yota Kawabe, Kenji Ito, William Vanaudenhove
  • Patent number: 9266050
    Abstract: A filter cartridge includes a filter medium configured as an elongated bellows having a first and a second longitudinal end. The bellows are connected at the first longitudinal end to a base and at the second longitudinal end to a top. The bellows enclose a central passage. The bellows are configured in a shape of a prism.
    Type: Grant
    Filed: September 10, 2013
    Date of Patent: February 23, 2016
    Assignee: CARL FREUDENBERG KG
    Inventors: Karsten Schulz, Maik Sieh, Juergen Klaus, Juergen Becker
  • Patent number: 9254457
    Abstract: An air filter system, in particular for the intake air of internal combustion engines, is provided.
    Type: Grant
    Filed: December 17, 2013
    Date of Patent: February 9, 2016
    Assignee: MANN+HUMMEL GMBH
    Inventors: Michael Kaufmann, Klaus-Dieter Ruhland