Patents Examined by Robert Clemente
  • Patent number: 11406237
    Abstract: A suction apparatus includes a housing, at least one cyclone chamber, a collection container configured to as to be releasably connectable to the housing, and having a filter element. The suction apparatus further includes at least one positioning device within the cyclone chamber and configured for positioning at least one collection element within the cyclone chamber.
    Type: Grant
    Filed: May 5, 2020
    Date of Patent: August 9, 2022
    Assignee: Robert Bosch GmbH
    Inventors: Goekhan Yildirim, Patrick Schlauch
  • Patent number: 11406925
    Abstract: A filter support for a filter is adjustable to modify the size and/or shape of the filter. The filter support may include one or more wedges engaging a wall of the filter, and a connector connecting the one or more wedges to one another. The connector allows selective adjustment of the filter support.
    Type: Grant
    Filed: January 31, 2020
    Date of Patent: August 9, 2022
    Inventor: Tyler G. Walk
  • Patent number: 11406924
    Abstract: A filter assembly and related method are provided. The filter assembly includes one or more support grates for supporting a filter media of the filter assembly. The support grate and filter media are interposed between a pair of preformed end walls of a frame.
    Type: Grant
    Filed: June 3, 2019
    Date of Patent: August 9, 2022
    Assignee: Parker-Hannifin Corporation
    Inventor: Timothy L. Krull
  • Patent number: 11400401
    Abstract: A filter device and a filter system are provided. A magnetic unit is disposed on at least one side of the filter device. The filter device includes a filter and a magnetic fixing device. The filter includes a first side wall. The magnetic fixing device includes a body, a clipping portion, and the magnetic unit. The body includes a top edge, a bottom edge, a first side face, and a second side face opposite to the first side face. The clipping portion includes a top flange extending from the top edge along the facing direction of the first side face by a first distance and a clip plate extending from an outer edge of the top flange toward the bottom edge by a second distance. The first side wall is clipped between the clip plate and the first side face. The magnetic unit is disposed on the second side face. The filter system includes a frame and the filter device.
    Type: Grant
    Filed: January 24, 2020
    Date of Patent: August 2, 2022
    Assignee: GREENFILTEC LTD.
    Inventors: Yu-Ming Lee, Yu-De Lien
  • Patent number: 11376540
    Abstract: Filter media for a drum filter that includes a plurality of annular frame members, each annular frame member having a circumference is disclosed. The filter media includes a filter sheet with first and second engagement strips having a cord portion and an attachment tab portion connected to the filter sheet. The first and second engagement strips engage with first and second connecting strips located on the annular frame members. Each connecting strip has a receiving portion that receives the cord portion of the associated engagement strip. Each connecting strip also has a body portion configured to engage a drum filter frame. An engagement mechanism configured to attach a filter sheet to a drum filter frame is also disclosed. A system for attaching a filter media to a cylindrical drum filter is also disclosed.
    Type: Grant
    Filed: March 22, 2019
    Date of Patent: July 5, 2022
    Assignee: Engineered Recycling Systems, LLC
    Inventors: Michael P. Carver, Sr., Andreas Fischer
  • 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: 11369908
    Abstract: A filter assembly for an engine, has: a housing having a longitudinal axis and defining an internal volume, the housing having an open end; and a cartridge assembly receivable within the internal volume via the open end of the housing and securable to the housing, the cartridge assembly including a filter cartridge, a cover removably secured to the filter cartridge, and a sealing member between the cover and the filter cartridge, a locking engagement between the cover and the filter cartridge to limit an axial movement of the cover relative to the filter cartridge upon removal of the cartridge assembly from the housing.
    Type: Grant
    Filed: January 31, 2020
    Date of Patent: June 28, 2022
    Assignee: PRATT & WHITNEY CANADA CORP.
    Inventors: Rose Beaulieu, Pierre Gauvin, Louis Brillon, Joanna Radon, Sean Powers, Kevin White
  • Patent number: 11369912
    Abstract: A filter cartridge includes a media pack having first and second opposite flow faces; the media pack comprising flutes extending in a direction between the inlet flow face and the outlet flow face; a frame mounted on the second flow face of the media pack; a seal support section extending from the base member; and first and second opposite and spaced blades extending from the base member and in a different direction from the base member as the seal support section. The first and second blades are embedded within the media pack through the second flow face. A seal member is oriented against the seal support section. The filter cartridge can be removably oriented in a cassette. The cassette and filter cartridge are removably oriented in an air cleaner housing. The cassette may include lugs to help position the cartridge in sealing engagement with the air cleaner housing. In another embodiment, the filter cartridge is cassette-free and includes a cartridge-handle projecting therefrom.
    Type: Grant
    Filed: April 23, 2020
    Date of Patent: June 28, 2022
    Assignee: Donaldson Company, Inc.
    Inventors: Johan G. Dewit, Johnny Craessaerts, Andreas Hoeniges
  • Patent number: 11364462
    Abstract: The technology disclosed herein generally relates to fluted filter assemblies, where flutes formed in the filter media extend from a first flow face of the filter assembly to a second flow face of the filter assembly, where one flow face is an inlet and one flow face is the outlet. Some embodiments relate to first flute distance between the first flow face and the second flow face differing from a second flute distance between the first flow face and the second flow face by greater than 2 mm. In some embodiments at least one of the first flow face and the second flow face is non-planar, while in other embodiments at both of the first flow face and the second flow face are planar and non-parallel. Other embodiments are described.
    Type: Grant
    Filed: September 25, 2018
    Date of Patent: June 21, 2022
    Assignee: Donaldson Company, Inc.
    Inventor: Mark A. Sala
  • Patent number: 11364508
    Abstract: An electrostatic air filter connected to a high voltage source, including an air flow channel, an ion generator, at least one corona electrode and at least one cumulative electrode, the corona electrodes and the cumulative electrodes are configured so that corona discharges occur between the corona electrodes and the cumulative electrodes due to a first potential difference, causing ionization of contaminant particles present in the air flow channel. A separator of contaminant particles is disposed in the air flow channel and includes input and output electrodes that enable the flow of air therethrough in a direction away from the input electrode to the output electrode and further to the channel outlet.
    Type: Grant
    Filed: November 27, 2018
    Date of Patent: June 21, 2022
    Assignee: PRO-VENT SYSTEMY WENTYLACYJNE KRZYSZTOF CWIK
    Inventor: Krzysztof Ćwik
  • Patent number: 11358087
    Abstract: The present disclosure provides one filter with multiple standing compression seals that work together to seal against the mating filter housing assembly. The first compression bead design enables the second bead to seal against the Housing surface for maximum sealing performance for preventing unfiltered fluid from passing through a filter housing assembly.
    Type: Grant
    Filed: April 25, 2018
    Date of Patent: June 14, 2022
    Assignee: GVS Filtration Inc.
    Inventors: Jayjeet Manik Govardhan, Nathan James Staves, Benjamin Joseph Rubenzer
  • Patent number: 11358156
    Abstract: A vacuum cyclonic separator that includes: a main body having a top surface with an air outlet, a bottom perimeter defining a bottom aperture of the main body, at least two downwardly facing air inlets and at least one side wall extending between the top surface and the bottom portion and shaped such that air received within an interior cavity of main body moves in a cyclone and wherein the at least two downwardly facing air inlets are in at least substantially the same plane as the bottom perimeter of the main body; and a dump valve assembly capable of being opened and closed with one hand where the dump valve is engaged with the bottom portion to seal the bottom aperture of the main body.
    Type: Grant
    Filed: May 7, 2020
    Date of Patent: June 14, 2022
    Assignee: VACUUM TECHNOLOGIES, LLC
    Inventors: John F. Tucker, Eldered F. Tucker, Jr., Steve W. Lieneman, Jesse G. Ford, Jeremy S. Van Buskirk, Dennis A. Gresham, Clay D. Price
  • Patent number: 11346333
    Abstract: A separation device for separating fluid from a gas stream has a housing with housing corpus and housing cover non-detachably connected to the housing corpus. A hollow cylindrical filter insert is received in the housing in a flow path of the gas stream from a raw gas inlet to a clean gas outlet. The filter insert has first and second end discs at first and second axial end face sides. The filter insert has a main separator element with hollow cylindrical coalescing filter medium with coalescer material for removing fluid from the gas stream that is flowing radially through the main separator element. A preliminary separator element having a coalescing filter medium with coalescer material is arranged in the flow path of the gas stream between the raw gas inlet and the filter insert for removing fluid from the gas stream.
    Type: Grant
    Filed: January 13, 2020
    Date of Patent: May 31, 2022
    Assignee: MANN+HUMMEL GmbH
    Inventors: Peter Biebricher, Bertram Bartelt, Klemens Dworatzek, Fei Wang, Sascha Roth
  • Patent number: 11344832
    Abstract: An air filter including a base and a first and second frame element is disclosed. Each frame element is coupled to the base. The frame elements have an oscillating shape having a first portion relatively close to the base and a second portion relatively farther from the base. A filter element generally follows the oscillating shape of the frame elements. An air filter system is also disclosed. The air filter system can include the air filter and an air filter container. The air filter container contains the air filter and directs air through the air filter in a predetermined direction. An air filter is disclosed including a support structure and an oscillating shaped filter element attached to the support structure. The oscillating shape increases the air filter surface area for a given volume.
    Type: Grant
    Filed: June 9, 2017
    Date of Patent: May 31, 2022
    Assignee: K&N Engineering, Inc.
    Inventors: Steve Williams, Jere James Wall
  • Patent number: 11338233
    Abstract: The air filter medium of the present invention is an air filter medium including a stack of a porous polytetrafluoroethylene (PTFE) membrane and an air-permeable support member, a repulsive force generated in the medium when the medium is compressed in a thickness direction thereof is equal to or greater than 30 kPa and equal to or less than 150 kPa at a compression ratio of 30%, and at least one main surface of the air filter medium is formed by the air-permeable support member and has a maximum coefficient of friction of 24 gf or less. The air filter medium of the present invention is an air filter medium that uses a porous PTFE membrane and in which a decrease in collection efficiency due to pleating is inhibited.
    Type: Grant
    Filed: September 21, 2018
    Date of Patent: May 24, 2022
    Assignee: NITTO DENKO CORPORATION
    Inventors: Yuri Horie, Masaaki Mori, Yukio Arimitsu
  • Patent number: 11338237
    Abstract: A hollow filter element for insertion into an openable filter housing has a filter medium body configured as a hollow body surrounding an inwardly positioned flow space. At least one end disk is connected to the filter medium body and covers an axial end face of the filter medium body. A positioning element is arranged at the at least one end disk and interacts with a housing-associated blade of the filter housing. The positioning element receives the housing-associated blade with form fit in two different transverse directions relative to the longitudinal axis of the filter medium body. The positioning element has a positioning recess.
    Type: Grant
    Filed: November 1, 2018
    Date of Patent: May 24, 2022
    Assignee: MANN+HUMMEL GmbH
    Inventors: Christoph Wittmers, Nadine Donauer, Andreas Franz, Marcel Holzwarth, Pedro Miguel Pereira Madeira, Joachim-Paul Krieger, Martin Gruber, Manfred Winter, Torsten Fritzsching
  • Patent number: 11331610
    Abstract: A filter system can include a replaceable filter cartridge having a spinner element structured to swirl a mixed flow of compressible fluid and oil, as well as an end cap used to enclose an open interior of a filter media of the filter cartridge. The filter cartridge can be configured to interface with and be supported by a mesh holder. A housing can be attached over the filter cartridge to enclose the system and create a flow path for a mixed flow of compressible fluid and oil. The replaceable filter cartridge can be constructed of materials suitable for disposal in a waste incineration process. The mesh holder can be inserted on a combo-block and secured in place by a compression fitting. A stand pipe can extend into the interior of the filter media and be coupled with a central passage of the mesh holder.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: May 17, 2022
    Assignee: Ingersoll-Rand Industrial U.S., Inc.
    Inventors: Michael J. Lucas, Christopher Leamon, Daniel Patrick McGuinness
  • Patent number: 11331609
    Abstract: Air cleaner assemblies, components therefor, and features thereof are described. Also described are methods of assembly and use. In depicted examples, the air cleaner assemblies and components optionally use advantageous housing seal features. Methods of assembly and use are described.
    Type: Grant
    Filed: January 16, 2020
    Date of Patent: May 17, 2022
    Assignee: Donaldson Company, Inc.
    Inventors: Richard Osendorf, Joseph Einberger
  • Patent number: 11331615
    Abstract: An air filter including an open end, a closed end, and a filter area there between. The open end frictionally engages and seals an air port, while the closed end mates with the housing to secure the filter to the housing. The filter area is reinforced to provide a durable, reusable filter. The filter material is selected to provide depth loading and increase the particulate capacity of the filter.
    Type: Grant
    Filed: March 14, 2014
    Date of Patent: May 17, 2022
    Assignee: K&N Engineering, Inc.
    Inventors: Steve Williams, Jere James Wall
  • Patent number: 11331403
    Abstract: Purified air is provided, having a TVOC content of from less than 5 ppb to about 500 ppb, a Biologicals content of from less than 1 CFU/M3 to 150 CFU/M3 and a Particulate content of from about 1,000 0.3 ?m particles per ft3 to about 50,000 0.3 ?m particles per ft3, or from about 600 0.5 ?m particles per ft3 to about 500,000 0.5 ?m particles per ft3.
    Type: Grant
    Filed: April 19, 2018
    Date of Patent: May 17, 2022
    Assignee: LifeAire Systems, LLC
    Inventor: Kathryn C. Worrilow