Patents by Inventor Art Black

Art Black 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: 5791374
    Abstract: A check valve assembly is adapted to be installed in a pre-combustion chamber for an internal combustion engine. The check valve includes a ball closure element which is responsive to normal fuel/air supply pressure to be held in an open position and is responsive to expansion pressure in the chamber to close the supply line and to prevent back flash of ignited fuel into the supply line.
    Type: Grant
    Filed: December 7, 1995
    Date of Patent: August 11, 1998
    Inventors: Art Black, Tom Riggs
  • Patent number: 5724731
    Abstract: A pre-combustion chamber is adapted to be installed in the spark plug well of an existing engine. The spark plug is removed and a centering mandrel is installed in the ln1 spark plug hole. Tools are placed on the mandrel for modifying the walls of the spark plug well to accommodate the pre-combustion chamber assembly. Once the well is modified, the tools and mandrel are removed and the pre-combustion chamber is installed in the well in place of the original spark plug.
    Type: Grant
    Filed: December 7, 1995
    Date of Patent: March 10, 1998
    Inventors: Art Black, Tom Riggs
  • Patent number: 5662082
    Abstract: A pre-combustion chamber is adapted to be installed in the spark plug well of an existing engine. The pre-combustion chamber includes an inner combustion chamber housing and an outer cooling jacket housing. The two housing are assembled in such a manner to permit movement therebetween during thermal cycling to minimize stress and fatigue fracture. A resilient seal is installed between the housings.
    Type: Grant
    Filed: December 5, 1995
    Date of Patent: September 2, 1997
    Assignee: Compressor Engineering Corporation
    Inventors: Art Black, Tom Riggs