Patents Examined by Robert Clemente
  • Anti-contamination baffle for cooling air systems
    Patent number: 11511222
    Abstract: An aircraft engine cooling air system is configured to provide cooling air to turbine components. The system has an airflow path extending from a source of cooling air to the turbine components. A baffle is disposed in the airflow path upstream of the turbine components. The baffle has a filtering surface defining a plurality of filtering holes sized to trap particulate matter suspended in the cooling air. A bypass passage is fluidly connected to the source of cooling air and the turbine components in parallel with the baffle so as to allow airflow to the turbine components when the filtering holes of the baffle are clogged.
    Type: Grant
    Filed: August 15, 2019
    Date of Patent: November 29, 2022
    Assignee: PRATT & WHITNEY CANADA CORP.
    Inventor: Christopher Gover
  • Filter medium and breather filter structure
    Patent number: 11504663
    Abstract: Thermoplastic bicomponent binder fiber can be combined with other media, fibers and other filtration components to form a thermally bonded filtration media. The filtration media can be used in filter units, such as breather caps. Such filter units can be placed in the stream of a mobile fluid and can remove a particulate and/or fluid mist load from the mobile stream. The unique combination of media fiber, bicomponent binder fiber and other filtration additives and components provide a filtration media having unique properties in filtration applications.
    Type: Grant
    Filed: February 20, 2020
    Date of Patent: November 22, 2022
    Assignee: Donaldson Company, Inc.
    Inventors: Robert M. Rogers, Keh B. Dema, Brad E. Kahlbaugh, Linda M. Olson, Chuanfang Yang, Gregory L. LaVallee, Timothy D. Sporre, Joe Israel, Paul L. Kojetin, Derek O. Jones, Michael A. Madden
  • Vacuum cleaner filter bag made from recycled plastic
    Patent number: 11504662
    Abstract: The invention relates to a vacuum-cleaner filter bag comprising a wall made of an air permeable material and surrounding an inner chamber, and an inlet opening introduced into the wall. The vacuum-cleaner filter bag is characterized in that the air permeable material comprises at least one layer made from a non-woven fabric and/or a layer made from a fiber web which comprises fibers or is made from fibers which are made from a recycled plastic or a plurality of recycled plastics.
    Type: Grant
    Filed: March 13, 2017
    Date of Patent: November 22, 2022
    Assignee: EUROFILTERS N.V.
    Inventors: Ralf Sauer, Jan Schultink
  • Oval seal with stabilization contour
    Patent number: 11498022
    Abstract: A filter element including a first endplate, a second endplate, filter media fitted between the first endplate and the second endplate, the first endplate including an opening that allows a working fluid to flow into or out of the filter media, the filter media allowing the working fluid to be filtered through the filter media and a seal member having an oval profile disposed on the first endplate and configured to seal with a filter housing, the seal member including an inner perimeter and an outer perimeter including a plurality of outwardly curved surfaces.
    Type: Grant
    Filed: December 5, 2018
    Date of Patent: November 15, 2022
    Assignee: CUMMINS FILTRATION IP, INC.
    Inventors: Scott W. Schwartz, Jessie A. Knight, Michael T. Zuroski
  • Filter unit
    Patent number: 11491430
    Abstract: A filter unit configured to be arranged on a process apparatus for particulate removal from process air of a process apparatus includes a filter housing, a filter basket including a filter basket ring, and a filter. The filter is permeable to process air and impermeable to particles being treated. The filter basket is arranged between the filter housing and the filter, and the filter basket and the filter are fastenable to the filter housing. The filter unit includes a sealing mechanism including a sealant element. The sealing mechanism including a sealing element is arranged on the lower region of the filter housing.
    Type: Grant
    Filed: May 20, 2019
    Date of Patent: November 8, 2022
    Assignee: Glatt GmbH
    Inventors: Jochen Thies, Adrian Kape, Dirk Zimmermann
  • Air purifier and purifying system
    Patent number: 11471806
    Abstract: An air purifying system may include at least two air purifiers configured to operate independently and a docking station to support the at least two air purifiers. The docking station may include a backbone extending in a vertical direction and at least two supports corresponding to and supporting the at least two air purifiers. At least one air purifier may have a display configured to operate according to a plurality of modes. When the air purifier having the display is docked on the docking station, the display may indicate overall operating information of the entire air purifying system. When the air purifier having the display is separated from the docking station, the display may indicate individual operating information of the air purifier having the display.
    Type: Grant
    Filed: March 13, 2020
    Date of Patent: October 18, 2022
    Assignee: LG ELECTRONICS INC.
    Inventors: Jongkeon Jeon, Haeyoong Chung, Jiyoung Kang, David Kangseong Lee, Daeyoung Kwak, Sohee Park
  • Air purifier
    Patent number: 11471810
    Abstract: An air purifier includes a filter, a fan to suction air through the filter, a first case configured to cover the filter and the fan, and a second case overlapping with the first case. The first and second cases may be moveable in a vertical direction such that the second case may be raised to lengthen the air purifier and the first case may be raised to expose the filter for replacement. The second case may be provided outside of the first case and have a side discharge grill and a top discharge grill, which may each be selectively opened and closed.
    Type: Grant
    Filed: March 11, 2020
    Date of Patent: October 18, 2022
    Assignees: LG ELECTRONICS INC., CHUNGANG UNIVERSITY INDUSTRY ACADEMIC COOPERATION FOUNDATION
    Inventors: Jiyoung Kang, Haeyoong Chung, Jongkeon Jeon, David Kangseong Lee, Daeyoung Kwak, Sohee Park
  • Particulate filter and methods for removing particulates from a particulate filter
    Patent number: 11465091
    Abstract: In an example, a particulate filter includes a porous filter substrate including a first surface and a second surface. The porous filter substrate is configured to filter gas flowing through the porous filter substrate between the first surface and the second surface. A plurality of conductors are coupled to the porous filter substrate. The plurality of conductors are approximately parallel to each other along the porous filter substrate. The particulate filter also includes a plurality of input nodes in signal communication with the plurality of conductors and configured to receive a voltage signal from an input signal source. The plurality of conductors are configured to generate an electric field on at least one of the first surface or the second surface of the porous filter substrate in response to the plurality of input nodes receiving the voltage signal from the input signal source.
    Type: Grant
    Filed: April 13, 2020
    Date of Patent: October 11, 2022
    Assignee: The Boeing Company
    Inventors: Leora Peltz, Kavya K. Manyapu
  • Air purifying system
    Patent number: 11465085
    Abstract: An air purifying system may include a main air purifier that has a flat upper surface configured to support at least two cylindrical portable air purifiers. Each of the main and portable air purifiers may have a fan to suction air and a filter to filter suctioned air. The upper surface of the main air purifier may include a seating groove, an elastic member provided in the seating groove, and a seating plate resting on top of the elastic member. When a portable air purifier is seated on the seating groove, the elastic member may be compressed and the seating plate may be lowered such that the portable air purifier may be supported within an inner wall of the seating groove. When the portable air purifier is removed from the seating groove, the elastic member may expand and raise the seating plate back to an initial position.
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: October 11, 2022
    Assignee: LG ELECTRONICS INC.
    Inventors: Jiyoung Kang, Haeyoong Chung, Jongkeon Jeon, David Kangseong Lee, Daeyoung Kwak, Sohee Park
  • Particulate filter and methods for removing particulates from a particulate filter
    Patent number: 11465092
    Abstract: In an example, a particulate filter includes a porous filter substrate including a first surface and a second surface. The porous filter substrate is configured to filter gas flowing through the porous filter substrate between the first surface and the second surface. A plurality of conductors are coupled to the porous filter substrate. The plurality of conductors are approximately parallel to each other along the porous filter substrate. The particulate filter also includes a plurality of input nodes in signal communication with the plurality of conductors and configured to receive a voltage signal from an input signal source. The plurality of conductors are configured to generate an electric field on at least one of the first surface or the second surface of the porous filter substrate in response to the plurality of input nodes receiving the voltage signal from the input signal source.
    Type: Grant
    Filed: June 28, 2020
    Date of Patent: October 11, 2022
    Assignee: The Boeing Company
    Inventors: Leora Peltz, Kavya K. Manyapu
  • Particulate filter and methods for removing particulates from a particulate filter
    Patent number: 11465090
    Abstract: In an example, a particulate filter includes a porous filter substrate including a first surface and a second surface. The porous filter substrate is configured to filter gas flowing through the porous filter substrate between the first surface and the second surface. A plurality of conductors are coupled to the porous filter substrate. The plurality of conductors are approximately parallel to each other along the porous filter substrate. The particulate filter also includes a plurality of input nodes in signal communication with the plurality of conductors and configured to receive a voltage signal from an input signal source. The plurality of conductors are configured to generate an electric field on at least one of the first surface or the second surface of the porous filter substrate in response to the plurality of input nodes receiving the voltage signal from the input signal source.
    Type: Grant
    Filed: April 13, 2020
    Date of Patent: October 11, 2022
    Assignee: The Boeing Company
    Inventors: Leora Peltz, Kavya K. Manyapu
  • Dust collector
    Patent number: 11452963
    Abstract: A dust collector includes a housing, a dust collecting bag that is installed in the housing and has an air permeability, a supply section that has a pipe coupled to the dust collecting bag, and supplies a powder into the housing via the pipe, a negative pressure generating section that generates a negative pressure in the housing, and a vibration applying section that applies a vibration to the dust collecting bag. The dust collecting bag includes a top surface, a bottom surface, and a side surface coupling the top surface and the bottom surface with each other, and a vibration transmitted to the top surface is larger than a vibration transmitted to the bottom surface.
    Type: Grant
    Filed: March 24, 2020
    Date of Patent: September 27, 2022
    Assignee: Seiko Epson Corporation
    Inventors: Hiroshi Tanaka, Shigeo Fujita, Minoru Honjo, Hidetoshi Hashizume
  • Axial flow centrifugal separator
    Patent number: 11446598
    Abstract: Rotating coalescer elements that maximize the radial-projected separation surface area in a given (rotating) cylindrical volume, where flow to be cleaned is passing axially upward or downward through a separating media of the rotating coalescer element. Various example package assemblies are provided with various types of rotating configurations including cylindrical coiled media packs, frustum coiled media packs, concentric cylinders, coiled metal or polymer films with and without perforations, and/or alternating layers of different materials. The described rotating coalescers may be driven by hydraulic turbine, electric motor, belt, gear or by mounting on rotating machine components, such as rotating engine shafts or connected components.
    Type: Grant
    Filed: June 19, 2018
    Date of Patent: September 20, 2022
    Assignee: CUMMINS FILTRATION IP, INC.
    Inventors: Christopher E. Holm, Peter K. Herman, Arun P. Janakiraman, Gerard Malgorn, Chirag D. Parikh, Anthony Barreteau, Ronan Corvec, Ken Tofsland
  • Separation device and oil separating air filter assembly comprising such separation device as well as method for separating fluid from a gas stream deriving from a connecting device
    Patent number: 11439940
    Abstract: A separation device for separating fluid from a gas stream has a housing replaceably connected to a connector head of a connecting device. The housing has a housing corpus with an axial end covered by a housing cover non-detachably connected to the housing corpus. A 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 of the housing. The filter insert has a main separator element with ring-shaped support body and cylindrical coalescing filter medium with coalescer material removing fluid from the gas stream. A preliminary separator element is arranged concentrically to the main separator element in the housing in the flow path of the gas stream between raw gas inlet and main separator element. The preliminary separator element has a cylindrical coalescing filter medium with coalescer material removing fluid from the gas stream.
    Type: Grant
    Filed: January 13, 2020
    Date of Patent: September 13, 2022
    Assignee: MANN+HUMMEL GmbH
    Inventors: Peter Biebricher, Bertram Bartelt, Klemens Dworatzek, Fei Wang, Sascha Roth
  • Interrupted, directional emboss of flat sheet
    Patent number: 11439943
    Abstract: Filter media having a design embossed into the media are described. In some arrangements, the filter media is pleated filter media. In other arrangements, the filter media includes a plurality of channels, such as tetrahedron channels. The filter media includes a pattern of interrupted straight or angled embossments that help maintain separation between adjacent layers of the filter media. The embossments allow for two adjacent media layers (e.g., mating surfaces of the filter media) to remain separated, thereby increasing dust holding capacity and lowering pressure drop over similarly configured filter media not having the embossments.
    Type: Grant
    Filed: October 16, 2017
    Date of Patent: September 13, 2022
    Assignee: CUMMINS FILTRATION IP, INC.
    Inventors: Emmanuel Page, Anthony Barreteau, Kurt M. A. Badeau, Christopher E. Holm
  • Portable air filtration and disinfection device for a respirator system
    Patent number: 11439787
    Abstract: A portable air filtration and disinfection device for a respirator system includes a casing, an inhalation filter assembly, and an exhalation filter assembly. The inhalation filter assembly includes an intake duct for receiving breathing air, an inhalation gas filter for filtering the breathing air, and an inhalation duct to provide the filtered breathing air. The exhalation filter assembly includes an exhalation duct for receiving exhaled air, an exhalation gas filter and an exhalation liquid filter for filtering and disinfecting the exhaled air, and an outlet duct for releasing the filtered and disinfected exhaled air.
    Type: Grant
    Filed: May 2, 2020
    Date of Patent: September 13, 2022
    Inventors: Haiping Liu, Yang Michelle Sun
  • Reusable exoskeleton frame with U-shaped locking members and eco-friendly air filter element
    Patent number: 11439938
    Abstract: A replaceable air filter element has a multilayer filter medium panel configured for mounting on a reusable exoskeleton support frame. The exoskeleton support frame is installable on a flow face of the filter medium panel and is provided with U-shaped locking members configured to detachably engage with and mount the filter medium panel. The exoskeleton support frame is configured to be reused such that only the filter medium panel is replaced, thereby reducing the environmental waste and making for a “green” eco-friendly air filter element.
    Type: Grant
    Filed: October 30, 2020
    Date of Patent: September 13, 2022
    Assignee: MANN+HUMMEL Life Sciences & Environment Holding Singapore Pte. Ltd.
    Inventors: Jon Garth Nichols, Brian Crawford, Nilesh Tharval
  • Filtration media packs comprising plurality of bosses between filter media, filter elements, and methods for manufacturing
    Patent number: 11433334
    Abstract: The present disclosure relates to filtration media packs, filter elements, and methods for manufacturing filtration media packs and filter elements.
    Type: Grant
    Filed: May 25, 2020
    Date of Patent: September 6, 2022
    Assignee: Donaldson Company, Inc.
    Inventor: Paul A. Way
  • Frame-type air purifier
    Patent number: 11433342
    Abstract: A frame-type air purifier includes a purifier housing and a front cover. The purifier housing includes a rear plate and a circumferential plate. The circumferential plate surrounds an outer periphery of the rear plate and forms a basin-shaped space. The basin-shaped space is divided into an open chamber and a close chamber. The open chamber includes a front opening. The close chamber includes an air inlet. The close chamber receives a purifier body. The front cover includes a front plate and a side frame. The side frame surrounds an outer periphery of the front plate and extends towards the rear plate. The front cover covers the front opening without contacting. The front plate and the circumferential plate are spaced by a longitudinal spacing. The side frame and the circumferential plate are spaced by a lateral spacing. The longitudinal spacing and the lateral spacing form an L-shaped air inlet channel.
    Type: Grant
    Filed: February 21, 2020
    Date of Patent: September 6, 2022
    Assignee: SAUBER TECHNOLOGY LIMITED
    Inventor: Kuan-Li Yang
  • Separating disc for centrifugal separator and disc package comprising such separating discs
    Patent number: 11426739
    Abstract: A separating disc adapted to be included in a disc package of a centrifuge rotor of a centrifugal separator adapted for separation of components in a supplied medium. The separating disc extends around an axis of rotation and has a tapering shape along the axis of rotation. The separating disc further includes a plurality of distance members, wherein each distance member is formed by a pressed marks extending radially. The separating disc is provided with a guiding arrangement including a number of index positions for providing indexing of the separating disc in the disc package in a rotational position. The number of index positions is different than the number of the plurality of distance members.
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: August 30, 2022
    Assignee: ALFA LAVAL CORPORATE AB
    Inventor: Peter Hagqvist