Patents by Inventor Mathias PURMANN

Mathias PURMANN 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).

  • Humidification device for humidifying process gases and fuel cell arrangement comprising same
    Patent number: 10026977
    Abstract: A humidification device for humidifying process gases, in particular for fuel cells, having a stack of repeating components, including a steam-permeable membrane, a first layer arrangement arranged on a first side of the membrane having a first flow layer for conducting a process gas to be humidified, a multiplicity of flow channels running parallel to the membrane, a second layer arrangement arranged on a second side of the membrane having a second flow layer for conducting a humidified gas including a multiplicity of flow channels running parallel to the membrane, and two protective films which adjoin the second flow layer on both sides and have a multiplicity of through-openings.
    Type: Grant
    Filed: January 26, 2015
    Date of Patent: July 17, 2018
    Assignee: Volkswagen Aktiengesellschaft
    Inventors: Mathias Purmann, Nils Brandau
  • HUMIDIFICATION DEVICE FOR HUMIDIFYING PROCESS GASES AND FUEL CELL ARRANGEMENT COMPRISING SAME
    Publication number: 20150180060
    Abstract: A humidification device for humidifying process gases, in particular for fuel cells, having a stack of repeating components, including a steam-permeable membrane, a first layer arrangement arranged on a first side of the membrane having a first flow layer for conducting a process gas to be humidified, a multiplicity of flow channels running parallel to the membrane, a second layer arrangement arranged on a second side of the membrane having a second flow layer for conducting a humidified gas including a multiplicity of flow channels running parallel to the membrane, and two protective films which adjoin the second flow layer on both sides and have a multiplicity of through-openings.
    Type: Application
    Filed: January 26, 2015
    Publication date: June 25, 2015
    Applicant: VOLKSWAGEN AKTIENGESELLSCHAFT
    Inventors: Mathias PURMANN, Nils BRANDAU