Patents by Inventor Remo Hofstetter

Remo Hofstetter 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).

  • Patent number: 8791607
    Abstract: The present invention relates to an electric linear drive, particularly for a rotary-lifting motor. Such a linear drive includes a winding system including a plurality of wound coils which are arranged to be coaxial to each other and successive in axial direction, and a magnet system which is movable in axial direction relative to the winding system and includes a plurality of axially successive permanent magnets. The winding system is normally fed by a controlled converter. The coils of the winding system and the permanent magnets of the magnet system define an air gap thereinbetween. Furthermore, a sensor is provided for detecting the relative movement of winding system and magnet system and for detecting the relative position of the two systems, the sensor being used for scanning a timing ruler mounted on the outer circumference of the magnet system.
    Type: Grant
    Filed: January 12, 2011
    Date of Patent: July 29, 2014
    Assignee: Maxon Motor AG
    Inventors: Alexis Boletis, Hugo Fritschy, Remo Hofstetter, Jens Oliver Schulze, Raniero Pittini, David Ramon, Max Erick Busse-Grawitz
  • Patent number: 8648508
    Abstract: A small electric motor is disclosed, such as a claw pole motor. An exemplary small electric motor includes a housing, a stator having at least two stator windings, a rotor having a rotational axis, and a flexible conductor foil for the electrical connection of the stator windings. The conductor foil includes winding connection contacts, external connection contacts and conductor paths between the winding connection contacts and the external connection contacts. Taps of the stator windings are electrically contacted with the winding connection contacts of the conductor foil. The conductor foil can be configured as an elongated strip having at least two connection portions which are arranged in spaced-apart relationship with each other and include winding connection contacts.
    Type: Grant
    Filed: July 15, 2011
    Date of Patent: February 11, 2014
    Assignee: Maxon Motor AG
    Inventors: David Ramon, Remo Hofstetter, Hugo Fritschy
  • Publication number: 20120013209
    Abstract: A small electric motor is disclosed, such as a claw pole motor. An exemplary small electric motor includes a housing, a stator having at least two stator windings, a rotor having a rotational axis, and a flexible conductor foil for the electrical connection of the stator windings. The conductor foil includes winding connection contacts, external connection contacts and conductor paths between the winding connection contacts and the external connection contacts. Taps of the stator windings are electrically contacted with the winding connection contacts of the conductor foil. The conductor foil can be configured as an elongated strip having at least two connection portions which are arranged in spaced-apart relationship with each other and include winding connection contacts.
    Type: Application
    Filed: July 15, 2011
    Publication date: January 19, 2012
    Applicant: Maxon Motor AG
    Inventors: David RAMON, Remo HOFSTETTER, Hugo FRITSCHY
  • Publication number: 20110175462
    Abstract: The present invention relates to an electric linear drive, particularly for a rotary-lifting motor. Such a linear drive includes a winding system including a plurality of wound coils which are arranged to be coaxial to each other and successive in axial direction, and a magnet system which is movable in axial direction relative to the winding system and includes a plurality of axially successive permanent magnets. The winding system is normally fed by a controlled converter. The coils of the winding system and the permanent magnets of the magnet system define an air gap thereinbetween. Furthermore, a sensor is provided for detecting the relative movement of winding system and magnet system and for detecting the relative position of the two systems, the sensor being used for scanning a timing ruler mounted on the outer circumference of the magnet system.
    Type: Application
    Filed: January 12, 2011
    Publication date: July 21, 2011
    Applicant: Maxon Motor AG
    Inventors: Alexis Boletis, Hugo Fritschy, Remo Hofstetter, Jens Oliver Schulze, Raniero Pittini