Patents by Inventor Michael Dittmann

Michael Dittmann 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: 4683358
    Abstract: A contact arrangement for a relay having a high breaking current capacity. A contact spring is split in fork-like fashion so as to form two fork ends at its free end. The contact spring is opposite two cooperating contact elements in the form of a double contact or two contacts to be bridged. The two fork ends of the contact spring are directly connected to one another via a welded on contact strip. A stranded conductor is welded directly to a freely accessible center portion of the contact strip between the two fork ends. Thus, the two contacting locations of the contact spring are connected to one another or to a power terminal in a low-loss fashion without employing an expensive central contact spring having good conductivity. Rather, a spring steel having a relatively poor conductivity may be employed.
    Type: Grant
    Filed: February 26, 1986
    Date of Patent: July 28, 1987
    Assignee: Siemens Aktiengesellschaft
    Inventor: Michael Dittmann
  • Patent number: 4647743
    Abstract: In a contact arrangement for high breaking capacity relays having a center contact spring movable between two cooperating fixed contact elements characterized by the contact spring having a contact member secured on each of the two opposite surfaces facing the fixed contact elements with one of the two contact members being of a larger size than the other contact member and the width of the contact spring to form a projection to which a flexible copper lead can be directly secured. As a result thereof, the switched current in a changeover contact can be conducted with low-loss across the center contact spring without an expensive center contact spring of a material which has a good conductivity being required.
    Type: Grant
    Filed: May 1, 1985
    Date of Patent: March 3, 1987
    Assignee: Siemens Aktiengesellschaft
    Inventors: Josef Kern, Michael Dittmann