Patents Assigned to Mann & Hummel GmbH
  • Patent number: 10898833
    Abstract: A filter device includes in a filter housing a hollow cylindrical filter element having frontal end plates, a flow opening being made in one of the end plates. In order to interlockingly secure a pipe connection piece that communicates with the flow opening, a cover has a radial collar which forms an axial stop for the pipe connection piece.
    Type: Grant
    Filed: December 26, 2016
    Date of Patent: January 26, 2021
    Assignee: MANN+HUMMEL GmbH
    Inventors: Dieter Schreckenberger, Christian Thalmann, Robert Hasenfratz, Fabian Wagner, Frank Pflueger, André Roesgen
  • Patent number: 10898841
    Abstract: A filter element has a filter medium body with a first side and an oppositely positioned second side, wherein one of the first and second sides is the inflow side of the filter medium body and the other one is the outflow side of the filter medium body. A first sealing or supporting element is arranged at the first side. A second sealing or supporting element is arranged at the second side. At least one force-transmitting adhesive bead extends between the first side and the second side, wherein the at least one adhesive bead is a force transmitting element extending between the first and second sealing or supporting elements.
    Type: Grant
    Filed: August 27, 2018
    Date of Patent: January 26, 2021
    Assignee: MANN+HUMMEL GmbH
    Inventors: Pascal Neef, Klaus Gehwolf, Thomas Sieber, Joachim-Paul Krieger, Werner Blossey, Philipp Hettkamp, Gelase Mbadinga Mouanda, Stefan Walz, Michael Heim, Martin Wuebbeling, Georg Kloeter
  • Patent number: 10898842
    Abstract: A filter element with at least one filter medium body and with a grip configured to hold and guide the filter element is provided. At least one locking element is arranged at the grip and configured to lock the filter element on a receiving filter housing. A filter device with such a filter element has a receiving filter housing to receive the filter element and a cover to secure the locking element in locked position on the filter housing.
    Type: Grant
    Filed: October 13, 2017
    Date of Patent: January 26, 2021
    Assignee: MANN+HUMMEL GmbH
    Inventors: Torsten Fritzsching, Pedro Miguel Pereira Madeira, Andreas Franz, Nadine Donauer, Martin Gruber, Joachim-Paul Krieger, Marcel Holzwarth, Manfred Winter
  • Patent number: 10898848
    Abstract: The invention relates to an interior air filter element (10) for a driver's cabin (302) of agricultural and work machines, particularly having sprinkling or spraying devices for pesticides or fertilizers including a filter body (12) having an adsorption filter region (50) and a fine filter region (80) particularly for separating aerosols, wherein the filter body 12 is designed as a winding body having at least one winding layer.
    Type: Grant
    Filed: October 22, 2018
    Date of Patent: January 26, 2021
    Assignee: MANN+HUMMEL GmbH
    Inventors: Ina Woitoll, Joachim Stinzendoerfer, Angelika Gohle, Manfred Winter, Andreas Scope, Dieter Weiss
  • Patent number: 10895227
    Abstract: An assembly for receiving a fluid subjected to fluctuating pressure has a housing with at least two housing parts. A tensioning bolt connects the at least two housing parts to each other. The tensioning bolt has at least two spaced-apart threaded sections, wherein the at least two threaded sections each are screwed into a respective counter thread in the at least two housing parts. The assembly can be a suction pipe or an air filter device of an internal combustion engine.
    Type: Grant
    Filed: July 11, 2019
    Date of Patent: January 19, 2021
    Assignee: MANN+HUMMEL GmbH
    Inventors: Hans-Peter Hielscher, Helmut Neuschwander, Alexander Korn
  • Patent number: 10888810
    Abstract: Air filter system includes a main housing, in which a primary filter cartridge can operably be installed, the housing includes a clean air outlet and a service opening through which the primary filter cartridge can be installed, a pre-separator assembly mounted onto and closing off the service opening, the pre-separator assembly having an inlet flow face receiving air to be cleaned from the outside, an outlet flow face through which pre-cleaned air exits, the outlet flow face positioned over the service opening of the main housing, such that pre-cleaned air is provided to the main housing, a dust discharge port, through which particles pre-separated by the pre-separator can be discharged, wherein the main housing comprises a connection port operable to sealingly connect to the dust discharge port on one side and sealingly connect a scavenge line on the other side, the connection port operable to connect the dust discharge port and a scavenge line.
    Type: Grant
    Filed: February 8, 2019
    Date of Patent: January 12, 2021
    Assignee: MANN+HUMMEL GmbH
    Inventors: Michael A. Martin, Franziska Schulz, Oliver Luley
  • Patent number: 10883456
    Abstract: A filter element (10) is provided with open filter body (16) of a filter medium (18). The filter element (10) has at least one longitudinal mating surface (40) which is directed with at least one direction component axially to an element axis (14) of the filter element (10) and which is in contact with a corresponding longitudinal mating surface of the filter housing (11) for securing the filter element (10) axially to the element axis (14). The filter element (10) has at least one transverse retaining surface (52) which is directed with at least one direction component across the element axis (14). The transverse retaining surface (52) is separated from the at least one longitudinal retaining surface (40) and may be in contact with a corresponding transverse mating surface (56) of the filter housing (11) for securing the filter element (10) across the element axis (14).
    Type: Grant
    Filed: May 5, 2017
    Date of Patent: January 5, 2021
    Assignee: MANN+HUMMEL GmbH
    Inventors: Pascal Neef, Werner Blossey, Mario Rieger, Robert Hasenfratz, Nadine Donauer, Andreas Weber
  • Patent number: 10883397
    Abstract: A centrifugal separator includes a housing and a rotary vessel having an axis and being attached to the housing for rotation relative to the housing about the axis. Either: a) the rotary vessel has one or more magnetisable regions and the housing has one or more electromagnetic windings; or b) the rotary vessel has one or more electromagnetic windings and the housing has one or more magnetisable regions. The electromagnetic windings are selectively energisable to create a magnetic field to cause rotation of the rotary vessel.
    Type: Grant
    Filed: August 31, 2017
    Date of Patent: January 5, 2021
    Assignee: MANN+HUMMEL GmbH
    Inventor: Nigel Burford
  • Patent number: 10881998
    Abstract: A filter device has an annular filter element with a filter medium body for radial fluid flow relative to a longitudinal axis. A sealing element arranged at an end face of the filter medium body seals relative to a housing component of a filter housing receiving the filter element. The sealing element has support walls delimiting a slit between them. The housing component has a receiving groove engaging across the sealing element and provided with opposed side walls. The housing component has a support rib projecting into slit. The support walls each have a first support surface at a side facing the slit and a second support surface at a side facing away from the slit. The side walls of the receiving groove are radially supported at the second support surfaces of the support walls. The support rib is supported radially at the first support surfaces of the support walls.
    Type: Grant
    Filed: November 1, 2018
    Date of Patent: January 5, 2021
    Assignee: MANN+HUMMEL GmbH
    Inventors: Nadine Donauer, Pedro Miguel Pereira Madeira
  • Patent number: 10876631
    Abstract: A sealing element (60) for an annular filter element (100) of an oil separator (200) of a crankcase ventilation system, wherein the annular filter element (100) is configured to separate oil from fluid. The sealing element (60) fulfills more than one sealing function and yet is easy to use and replace. The sealing element (60) having at least one radially sealing region (64) that is configured to act in the direction of the radius (120) of the annular filter element (100), and at least one axially sealing region (66) that is configured to act in the direction of the longitudinal axis (110) of the annular filter element (100).
    Type: Grant
    Filed: June 1, 2016
    Date of Patent: December 29, 2020
    Assignee: MANN+HUMMEL GmbH
    Inventors: Markus Zuerker, Markus Melde, Philipp Ehrhardt
  • Patent number: 10871132
    Abstract: A coalescence element is provided with at least one coalescence medium configured to coalesce water contained in a fluid. The at least one coalescence medium is made of a material with a packing density of at most 10%. The coalescence element is embodied as a single layer formed as a cylindrical jacket and has a fluid path for a fluid between an inlet side and an outlet side of the cylindrical jacket. A filter element with a filter bellows and a support pipe arranged coaxially inside the filter bellows is provided with such coalescence element that is arranged between the filter bellows and the support pipe in the flow direction so as to surround the support pipe at a radial outer side.
    Type: Grant
    Filed: April 12, 2018
    Date of Patent: December 22, 2020
    Assignee: Mann+Hummel GmbH
    Inventor: Stefan Eichinger
  • Patent number: 10865749
    Abstract: A filter cartridge for a filter for filtration of a fluid has a prismatic basic shape with a base face and a top face arranged parallel to each other and each having a polygonal basic shape. The prismatic basic shape is provided with a first lateral face and a second lateral face neighboring the first lateral face, wherein the first lateral face is an inflow surface and is substantially positioned perpendicular to the neighboring second lateral face. The prismatic basic shape has a third lateral face that is an outflow surface and is positioned at an angle relative to the first lateral face, wherein the angle is greater than 10° and smaller than 80°. A filter with such a filter cartridge is disclosed.
    Type: Grant
    Filed: May 30, 2019
    Date of Patent: December 15, 2020
    Assignee: MANN+HUMMEL GmbH
    Inventors: Michael Kaufmann, Klaus-Dieter Ruhland
  • Patent number: 10865672
    Abstract: The invention describes a filter element for an oil separator of a crankcase ventilation system in which a filter element is configured to separate oil from fluid and that has a covering surface extending parallel to a direction of flow, together with at least one cover element covering surface in at least some regions. An oil separator is taught having the filter element with at least one pressure control valve controlling crankcase pressure and has a valve closing body that operates in conjunction with a valve seat.
    Type: Grant
    Filed: February 17, 2019
    Date of Patent: December 15, 2020
    Assignee: MANN+HUMMEL GmbH
    Inventors: Markus Zuerker, Markus Melde, Philipp Ehrhardt
  • Patent number: 10857497
    Abstract: A flange for a filter insert for separating oil aerosol from air has a flange region with radial contact surface for supporting the flange; an axial first wall region adjoining radially inwardly the flange region; a radial cover region adjoining an end of the first wall region opposite the flange region; a second axial wall region adjoining radially inwardly the cover region and surrounding a central cutout. Radial lifting regions adjoin an end of the second wall region opposite the cover region and extend into the central cutout. First and second wall regions and cover region are concentric to each other. The lifting regions are arranged exclusively in a radially outer region of the central cutout. A coaxial imaginary circle with outer circumference defined by radially innermost points of the lifting regions has a radius of at least three fourths of a radius of the second wall region.
    Type: Grant
    Filed: October 4, 2018
    Date of Patent: December 8, 2020
    Assignee: MANN+HUMMEL GmbH
    Inventors: Goekhan Evcuemen, Mischa Winter
  • Patent number: 10857505
    Abstract: A method for the manufacture of ceramic hollow fiber membranes in a spinning process by using a spinning mass, comprising the steps: providing a spinning mass formulation; providing a secondary phase; adding the secondary phase to the spinning mass formulation; manufacturing the ceramic hollow fiber membranes in a spinning process.
    Type: Grant
    Filed: July 24, 2018
    Date of Patent: December 8, 2020
    Assignee: MANN+HUMMEL GmbH
    Inventors: Frank Ehlen, Tobias Woerz
  • Patent number: 10850228
    Abstract: Disclosed is a desiccant cartridge (10) for drying and de-oiling a gaseous fluid, and a method for flow guidance within the desiccant cartridge. The desiccant cartridge and a housing (12) having positioned therein an inner pot (28) in which an oil separating medium (50) for oil particles contained in the fluid and a desiccant (52) for drying the gaseous fluid are arranged one after the other in the direction of the housing longitudinal axis (14). The housing (12) has a housing base (18) having a centrally arranged inlet (20) for the fluid to be dried and de-oiled and having eccentrically arranged outlet openings (24) for the dried and de-oiled fluid. During normal operation of the desiccant cartridge (10), the gaseous fluid guided into the desiccant cartridge (10) via the central inlet (20) is first guided in a flow through the oil separating medium (50) and then through the desiccant (52).
    Type: Grant
    Filed: March 6, 2018
    Date of Patent: December 1, 2020
    Assignee: MANN+HUMMEL GmbH
    Inventors: Stephan Niemeyer, Peter Bauditsch, Kevin Pendzich, Marco Friedrich
  • Patent number: 10843110
    Abstract: A filter of a filter device has a filter housing with a connecting side provided with a connecting element for detachably connecting the filter to a filter head of the filter device by a rotational and/or insertion movement relative to an imaginary connecting axis of filter and filter head. The filter housing has an inlet for fluid to be purified and an outlet for purified fluid. An outer seal seals a connection of the filter with the filter head relative to the environment. The outer seal is circumferentially continuous relative to the connecting axis. A closure element is provided to close off, when the filter is connected to the filter head, a fluid drain in the filter head provided for draining fluid when removing the filter from the filter head. The outer seal is acting sealingly at least in radial direction relative to the connecting axis.
    Type: Grant
    Filed: February 12, 2018
    Date of Patent: November 24, 2020
    Assignee: MANN+HUMMEL GmbH
    Inventor: Jochen Linhart
  • Patent number: 10844761
    Abstract: A unit (10) for the regulation or control of a fluid pressure, having at least one housing section (13, 14) and a switching film (22) connected to the at least one housing section (13, 14) for switching at pressure differentials relative to an ambient pressure acting on the switching film (22), and for the regulation, release or blocking of a flow of the fluid between an inlet (28) and a discharge (30) for the fluid. The switching film (22) is made out of a polymer material having fluorine and carbon. In this arrangement, a hole cross-section (40) of the at least one housing section (13, 14) is closed off by the switching film (22). A method of forming a fluid-tight connection is also disclosed.
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: November 24, 2020
    Assignee: Mann+Hummel GmbH
    Inventors: Lukas Bock, Volker Kuemmerling, Thomas Jessberger, Heinz Fuchs, Thomas Schleiden, Juergen Kosicki, Thomas Tschech, Herbert Jainek
  • Patent number: 10843111
    Abstract: The invention relates to whole blood filter media and a process of filtering whole blood samples using a filter medium comprising particles, wherein the blood cells are retained inside the filter, and wherein the plasma or serum is separated from the blood cells.
    Type: Grant
    Filed: November 30, 2017
    Date of Patent: November 24, 2020
    Assignee: Mann+Hummel GmbH
    Inventors: Heike Rupp, Steffen Schuetz, Dagmar Winkler
  • Patent number: D907546
    Type: Grant
    Filed: March 5, 2018
    Date of Patent: January 12, 2021
    Assignee: MANN+HUMMEL GmbH
    Inventors: Lukas Bock, Thomas Jessberger, Volker Kuemmerling, Robert Zbiral, Coskun Evlekli