Patents by Inventor Arnold M. Earl

Arnold M. Earl 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).

  • Swirl generator
    Patent number: 4828487
    Abstract: A swirl generator is provided in a combustion chamber of a furnace or the like which serves to discharge a stream of secondary combustion medium into the combustion chamber along a path which extends circumferentially of the flame of the primary combustion burner so as to induce a rotary mixing action in the primary combustion chamber which will serve to contain the primary combustion flame in the combustion chamber.
    Type: Grant
    Filed: March 21, 1988
    Date of Patent: May 9, 1989
    Inventor: Arnold M. Earl