Patents by Inventor Magnus KNUTSSON

Magnus KNUTSSON 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).

  • Roots-style blower with leakage mechanisms
    Patent number: 9617998
    Abstract: The disclosure concerns a Roots-type blower comprising a housing defining first and second transversely overlapping cylindrical chambers and at least one inlet port and an outlet port; first and second meshed, lobed rotors, each lobe having a top land sealingly cooperating with the cylindrical chambers; a plurality of control volumes for transfer of fluid, each control volume being defined by a pair of adjacent lobes on one of the rotors, and at least one of the cylindrical chambers; and blowholes formed within the cylindrical chambers in connection with meshing of the lobes of the first and second rotors. The blower further comprises at least one backflow slot extending through the housing wall of each cylindrical chamber for effecting a leakage of fluid from downstream the at least one outlet port into a control volume.
    Type: Grant
    Filed: November 7, 2014
    Date of Patent: April 11, 2017
    Assignee: VOLVO CAR CORPORATION
    Inventors: Magnus Knutsson, Anders Ohlson, Ragnar Burenius, Johan Brunberg, Amir Toma
  • ROOTS-STYLE BLOWER WITH LEAKAGE MECHANISMS
    Publication number: 20150132171
    Abstract: The disclosure concerns a Roots-type blower comprising a housing defining first and second transversely overlapping cylindrical chambers and at least one inlet port and an outlet port; first and second meshed, lobed rotors, each lobe having a top land sealingly cooperating with the cylindrical chambers; a plurality of control volumes for transfer of fluid, each control volume being defined by a pair of adjacent lobes on one of the rotors, and at least one of the cylindrical chambers; and blowholes formed within the cylindrical chambers in connection with meshing of the lobes of the first and second rotors. The blower further comprises at least one backflow slot extending through the housing wall of each cylindrical chamber for effecting a leakage of fluid from downstream the at least one outlet port into a control volume.
    Type: Application
    Filed: November 7, 2014
    Publication date: May 14, 2015
    Inventors: Magnus KNUTSSON, Anders OHLSON, Ragnar BURENIUS, Johan BRUNBERG, Amir TOMA