Patents by Inventor Hans-Peter Weyand

Hans-Peter Weyand 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: 8138862
    Abstract: An installation switching device having at least one pole current path comprises two stationary contact pieces; a moving contact bridge including two moving contact pieces forming a double-break pole with the two stationary contact pieces; a contact pressure spring exerting a pressure on the moving contact bridge in a closing direction of the moving contact bridge; a pusher configured to act on the moving contact bridge counter to the pressure of the contact pressure spring in an opening direction, the pusher including a slide and a striking pin disposed moveably relative to the moving contact bridge and to one another in a movement direction of the moving contact bridge; a switch latch having a latching point; an operating lever configured to act on the pusher; and an electromagnetic release having an impact armature.
    Type: Grant
    Filed: November 8, 2007
    Date of Patent: March 20, 2012
    Assignee: ABB AG
    Inventors: Ralf Mueller, Frank Hustert, Hans-Peter Weyand
  • Patent number: 8049584
    Abstract: A switching device having a magnetic release includes a yoke having a U-shaped first section that includes a first limb having an opening in the form of a slot open towards a free end of the first limb, a second limb disposed parallel to the first limb, and a web connecting the first and second limbs. The switching device also includes a coil including a coil former, a coil winding and an armature disposed between the first and second limbs, wherein the coil is insertable into the slot towards the web and the armature extends through the slot. A restraint spring is connected at a free end of the armature and disposed outside the first limb.
    Type: Grant
    Filed: February 27, 2009
    Date of Patent: November 1, 2011
    Assignee: ABB AG
    Inventors: Ralf Mueller, Frank Hustert, Ralph Burckhardt, Guido Niewoehner, Hans-Peter Weyand
  • Publication number: 20100019873
    Abstract: An installation switching device having at least one pole current path comprises two stationary contact pieces; a moving contact bridge including two moving contact pieces forming a double-break pole with the two stationary contact pieces; a contact pressure spring exerting a pressure on the moving contact bridge in a closing direction of the moving contact bridge; a pusher configured to act on the moving contact bridge counter to the pressure of the contact pressure spring in an opening direction, the pusher including a slide and a striking pin disposed moveably relative to the moving contact bridge and to one another in a movement direction of the moving contact bridge; a switch latch having a latching point; an operating lever configured to act on the pusher; and an electromagnetic release having an impact armature.
    Type: Application
    Filed: November 8, 2007
    Publication date: January 28, 2010
    Applicant: ABB AG
    Inventors: Ralf Mueller, Frank Hustert, Hans-Peter Weyand
  • Publication number: 20090219662
    Abstract: A switching device having a magnetic release includes a yoke having a U-shaped first section that includes a first limb having an opening in the form of a slot open towards a free end of the first limb, a second limb disposed parallel to the first limb, and a web connecting the first and second limbs. The switching device also includes a coil including a coil former, a coil winding and an armature disposed between the first and second limbs, wherein the coil is insertable into the slot towards the web and the armature extends through the slot. A restraint spring is connected at a free end of the armature and disposed outside the first limb.
    Type: Application
    Filed: February 27, 2009
    Publication date: September 3, 2009
    Applicant: ABB AG
    Inventors: Ralf Mueller, Frank Hustert, Ralph Burckhardt, Guido Niewoehner, Hans-Peter Weyand