Patents by Inventor Manfred Muschalle

Manfred Muschalle 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).

  • High force solenoid and solenoid-driven actuator
    Patent number: 6929242
    Abstract: A solenoid having increased axial force and low static friction on the armature is disclosed and provides an improved solenoid-driven hydraulic valve actuator. The solenoid includes a coil member, a pole piece having an inside surface with recessed and non-recessed portions to form an inner recess in the pole piece, an armature inside the pole piece, and a bearing held in the recess between the pole piece and armature, the bearing having an inner surface extending inwardly just beyond the inside surface of the pole piece non-recessed portion.
    Type: Grant
    Filed: February 11, 2003
    Date of Patent: August 16, 2005
    Assignee: Thomas Magnete GmbH
    Inventors: Bernhard Kirsch, Manfred Muschalle
  • High force solenoid and solenoid-driven actuator
    Publication number: 20040155214
    Abstract: A solenoid having increased axial force and low static friction on the armature is disclosed and provides an improved solenoid-driven hydraulic valve actuator. The solenoid includes a coil member, a pole piece having an inside surface with recessed and non-recessed portions to form an inner recess in the pole piece, an armature inside the pole piece, and a bearing held in the recess between the pole piece and armature, the bearing having an inner surface extending inwardly just beyond the inside surface of the pole piece non-recessed portion.
    Type: Application
    Filed: February 11, 2003
    Publication date: August 12, 2004
    Inventors: Bernhard Kirsch, Manfred Muschalle