Patents by Inventor Uwe von Ehrenwall

Uwe von Ehrenwall 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).

  • Switching relay having contact ripping device
    Patent number: 9177744
    Abstract: The invention relates to a switching relay (1), particularly for a starting device for starting an internal combustion engine, having a contact device (5), a relay coil (2), an armature (3), and an actuating rod (4), wherein the actuating rod (4) is displaced by the armature (3) when current is applied to the relay coil (2) and the contact device (5) is actuated by the actuating rod (4), and having a contact ripping device by means of which the armature (3) and the actuating rod (4) are coupled to each other. In order to simplify assembly and disassembly, the contact ripping device is implemented having a latching device in the armature (3).
    Type: Grant
    Filed: July 20, 2010
    Date of Patent: November 3, 2015
    Assignee: Robert Bosch GmbH
    Inventors: Thomas Biessenberger, Hartmut Wanner, Oliver Neumann, Uwe von Ehrenwall
  • SWITCHING RELAY HAVING CONTACT RIPPING DEVICE
    Publication number: 20120180745
    Abstract: The invention relates to a switching relay (1), particularly for a starting device for starting an internal combustion engine, having a contact device (5), a relay coil (2), an armature (3), and an actuating rod (4), wherein the actuating rod (4) is displaced placed by the armature (3) when current is applied to the relay coil (2) and the contact device (5) is actuated by the actuating rod (4), and having a contact ripping device by means of which the armature (3) and the actuating rod (4) are coupled to each other. In order to simplify assembly and disassembly, the contact ripping device is implemented having a latching device in the armature (3) .
    Type: Application
    Filed: July 20, 2010
    Publication date: July 19, 2012
    Applicant: ROBERT BOSCH GMBH
    Inventors: Thomas Biessenberger, Hartmut Wanner, Oliver Neumann, Uwe von Ehrenwall