Patents by Inventor Orvin E. Ball

Orvin E. Ball 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).

  • Method for assembling a permanent magnet rotor
    Patent number: 4126933
    Abstract: A method for assembling a permanent magnet rotor by mounting the magnets and the appropriate electrical steel laminations between two retaining discs. The laminations and magnets are then forced into position by a pneumatic expansion tool. The retaining discs after the components are positioned are riveted to secure the laminations and the magnets which are further encapsulated in the retaining discs with an epoxy resin.
    Type: Grant
    Filed: July 14, 1977
    Date of Patent: November 28, 1978
    Assignee: Carrier Corporation
    Inventors: Gordon K. Anderson, Orvin E. Ball