Patents Assigned to Elfi Elektrofilter Aktiebolag
  • Air-filter arrangement
    Patent number: 10245593
    Abstract: An air filter arrangement is provided for filtration of particles in an airflow having an airflow direction. The air filter arrangement includes an electrostatically charged filter, a first ionization device, and a second ionization device. The first ionization device is arranged upstream of the electrostatically charged filter and the second ionization device is arranged downstream of the electrostatically charged filter. An air filtering apparatus is also described.
    Type: Grant
    Filed: June 3, 2015
    Date of Patent: April 2, 2019
    Assignee: Elfi Elektrofilter Aktiebolag
    Inventor: Jan-Olof Wallin
  • AIR FILTER ARRANGEMENT
    Publication number: 20170120254
    Abstract: An air filter arrangement is provided for filtration of particles in an airflow having an airflow direction. The air filter arrangement includes an electrostatically charged filter, a first ionisation device, and a second ionisation device. The first ionisation device is arranged upstream of the electrostatically charged filter and the second ionisation device is arranged downstream of the electrostatically charged filter. An air filtering apparatus is also described.
    Type: Application
    Filed: June 3, 2015
    Publication date: May 4, 2017
    Applicant: Elfi Elektrofilter Aktiebolag
    Inventor: Jan-Olof Wallin