Patents by Inventor Dagmar Ruder

Dagmar Ruder has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11639765
    Abstract: A connector arrangement (100) for connecting a first tube (102) and a second tube (104) in a detachable manner has a first connector (110) and a second connector (130), wherein both connectors (110, 130) have a closed circumference. For establishing a connection between the first and second connectors (110, 130) an internal surface of a first circumferential portion (115) of the first connector (110) is arranged on an external surface of a first circumferential portion (135) of the second connector (130) and an external surface of a second circumferential portion (118) of the first connector (110) is arranged on an internal surface of a second circumferential portion (138) of the second connector (130). An air duct having such a connector arrangement (100) and connectors for such a connector arrangement (100) is disclosed.
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: May 2, 2023
    Assignee: MANN+HUMMEL GmbH
    Inventors: Herbert Schenk, Dagmar Ruder, Deijang Yang
  • Publication number: 20200292117
    Abstract: A connector arrangement (100) for connecting a first tube (102) and a second tube (104) in a detachable manner has a first connector (110) and a second connector (130), wherein both connectors (110, 130) have a closed circumference. For establishing a connection between the first and second connectors (110, 130) an internal surface of a first circumferential portion (115) of the first connector (110) is arranged on an external surface of a first circumferential portion (135) of the second connector (130) and an external surface of a second circumferential portion (118) of the first connector (110) is arranged on an internal surface of a second circumferential portion (138) of the second connector (130). An air duct having such a connector arrangement (100) and connectors for such a connector arrangement (100) is disclosed.
    Type: Application
    Filed: May 29, 2020
    Publication date: September 17, 2020
    Inventors: Herbert Schenk, Dagmar Ruder, Deijang Yang
  • Patent number: 8080078
    Abstract: An anti-snow module designed for installation into an air filter housing includes a support plate configured for support in the housing. A partition is provided for mounting into the interior of the housing of the air filter. A valve plate is configured to seals the housing of the air filter below a predetermined differential pressure existing between the interior of the housing of the air filter behind the valve plate and the exterior of the housing of the air filter and open when the differential pressure exceeds a predetermined differential pressure value. At least one guide rail is provided on which the valve plate is slideably supported by at least one guide sleeve provided on the valve plate.
    Type: Grant
    Filed: December 11, 2008
    Date of Patent: December 20, 2011
    Assignee: Mann+Hummel GmbH
    Inventors: Robert Zbiral, Herbert Schenk, Dagmar Ruder
  • Publication number: 20090151307
    Abstract: An anti-snow module designed for installation into an air filter housing includes a support plate configured for support in the housing. A partition is provided for mounting into the interior of the housing of the air filter. A valve plate is configured to seals the housing of the air filter below a predetermined differential pressure existing between the interior of the housing of the air filter behind the valve plate and the exterior of the housing of the air filter and open when the differential pressure exceeds a predetermined differential pressure value. At least one guide rail is provided on which the valve plate is slideably supported by at least one guide sleeve provided on the valve plate.
    Type: Application
    Filed: December 11, 2008
    Publication date: June 18, 2009
    Applicant: MANN+HUMMEL GMBH
    Inventors: Robert Zbiral, Herbert Schenk, Dagmar Ruder