Patents by Inventor Jonas Hjelm

Jonas Hjelm 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).

  • Flexible metal supporting device for a centrifugal separator
    Patent number: 6224533
    Abstract: A flexible metal support device for a rotatable centrifuge rotor (2) provided in a frame member (1) by a bearing member (4). The support device comprises a support element (7) provided between the bearing member (4) and the frame member (1), and arranged to absorb relative movements between the centrifuge rotor and the frame member. The support element (7) comprises an inner mounting portion, essentially immovable in relation to the bearing member (4), and an outer mounting portion, essentially immovable in relation to the frame member (1). Moreover, the support element (7) comprises three flexible connecting portions which each extends between the inner and outer mounting portions and is arranged to absorb radial and axial relative movements between the centrifuge rotor and the frame member. Furthermore, the inner portion, the connecting portions and the outer portion form an integrated unit manufactured in one piece of metal material.
    Type: Grant
    Filed: June 10, 1998
    Date of Patent: May 1, 2001
    Assignee: Alfa Laval AB
    Inventors: Leif Bengtsson, Staffan Grandin, Jonas Hjelm, Kjell Klintenstedt, Torbjörn Larsen, Nils-Gunnar Ohlson, Jan Setterberg