Patents by Inventor Albert Block

Albert Block 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 of making a piston with a gudgeon pin
    Patent number: 4182012
    Abstract: The invention relates to a piston assembly for compressor and the method of making the assembly. A piston body is molded with spaced apart downwardly open grooves formed with concave semicylindrically shaped summits and parallel side walls. The summits and sidewalls are formed with pimples. A connecting rod pin having a connecting rod attached thereto is press fitted into the grooves. The pimples may serve as weld pimples by being softened by a welding current. The pimples on the sidewalls may alternatively be mechanically swaged to press inwardly against the rod to hold it in its installed position.
    Type: Grant
    Filed: December 5, 1977
    Date of Patent: January 8, 1980
    Assignee: Danfoss A/S
    Inventor: Albert Block
  • Piston with gudgeon pin and method of making same
    Patent number: 4095513
    Abstract: The invention relates to a piston assembly for compressor and the method of making the assembly. A piston body is molded with spaced apart downwardly open grooves formed with concave semicylindrically shaped summits and parallel side walls. The summits and sidewalls are formed with pimples. A connecting rod pin having a connecting rod attached thereto is press fitted into the grooves. The pimples may serve as weld pimples by being softened by a welding current. The pimples on the sidewalls may alternatively be mechanically swaged to press inwardly against the rod to hold it in its installed position.
    Type: Grant
    Filed: November 4, 1976
    Date of Patent: June 20, 1978
    Assignee: Danfoss A/S
    Inventor: Albert Block