Patents by Inventor Benjamin Hendricus Aarts

Benjamin Hendricus Aarts 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).

  • Ferromagnetic shield for magnetic resonance imaging
    Patent number: 7924011
    Abstract: A cryocooler assembly includes a ferromagnetic shield and a moveable rare-earth regenerator for recondensing of a cooling liquid for cooling of a superconductive magnet of a magnetic resonance imaging apparatus. The ferromagnetic shield effectively provides depletion of a magnet field in the vicinity of the rare-earth regenerator and therefore on the one hand reduces the noise impact of the moving regenerator on the homogeneous magnetic field in the imaging volume of the MRI apparatus and on the other hand reduces the mechanical force exerted by the magnetic field on the rare-earth regenerator.
    Type: Grant
    Filed: June 21, 2006
    Date of Patent: April 12, 2011
    Assignee: Koninklijke Philips Electronics N.V.
    Inventor: Benjamin Hendricus Aarts
  • FERROMAGNETIC SHIELD FOR MAGNETIC RESONANCE IMAGING
    Publication number: 20100219832
    Abstract: The present invention provides a ferromagnetic shield for a cryocooler assembly making use of a moveable rare-earth regenerator for recondensing of a cooling liquid for cooling of a superconductive magnet of a magnetic resonance imaging apparatus. The ferromagnetic shield effectively provides depletion of a magnet field in the vicinity of the rare-earth regenerator and therefore on the one hand reduces the noise impact of the moving regenerator on the homogeneous magnetic field in the imaging volume of the MRI apparatus and on the other hand reduces the mechanical force exerted by the magnetic field on the rare-earth regenerator.
    Type: Application
    Filed: June 21, 2006
    Publication date: September 2, 2010
    Applicant: KONINKLIJKE PHILIPS ELECTRONICS N. V.
    Inventor: Benjamin Hendricus Aarts