Patents by Inventor Ralph Franklyn John Flower

Ralph Franklyn John Flower 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).

  • Brush seal assembly
    Patent number: 5758879
    Abstract: A brush seal assembly for effecting a seal between two relatively movable machine components has a carrier for moving on one component (12) and having two spaced rows (16 and 17) of bristles projecting towards the surface of the other component (11) to be sealed to said one component (12). Backing plates (18 and 19) are provided on the low pressure side of each row (17 and 18) of bristles respectively. The physical characteristics of the bristles of each row are selected to share the total pressure drop between the two rows of bristles, and preferably to be equally shared.
    Type: Grant
    Filed: March 21, 1997
    Date of Patent: June 2, 1998
    Assignee: Cross Manufacturing Company (1938) Limited
    Inventor: Ralph Franklyn John Flower